Home

Harlequin RIP ColorPro User's Guide

1. 0 ccc ccc cece nce e tence ene eees 43 A 1 The Harlequin RIP without ColorPro 0 6 eee eee 43 A 2 The Harlequin RIP with ColorPro enabled nanunua nana cece eee eee 43 Appendix B Creating a Logo 0 cece ccc ccc cece eect cece e eet eee e eee neee 45 Appendix C Jobs Containing Color Management Data 0 cece cece cece ees 46 C 1 PostScript language jobs and image files 0 06 0 46 C 2 Page setup uses a color management option 1 6 6 cece eee 46 C3 Summary of Options se yi e a en eee eee ne ene n nena es 47 C 4 Embedding ICC profiles in Photoshop images 0 066 e cece cee ees 48 C 5 PDF color management 6 6 eens 48 Appendix D Overprinting options 0 cece ccc eee coccion 49 DA Overpinting sicario seo a EEN eae ts ented e 49 D 2 Drop white objects 0 0 6 6 eee een nes 51 Appendix E Supplied Profiles ccc ccc ccc cece cece cece teen eee eeeee 52 ET CMYK Input Profiles cis occitano din dc tv be Peseta ta 52 E 2 RGB Input Profiles siii ines odisea Sea we Rae 53 E 3 CMYK Output Profiles for Printing Press o ooooocooorrrrcroonnrroooo 54 Appendix F Seeing Color ococccccccccccccccccncccc eee e eee eeeeeees 55 INDEX CONTENTS 4 iv COLOR PRO USER S GUIDE INDEX CONTENTS 4 v Fl Perception Of colo esner iaa das 55 EZ Additionalreadihg cari adoro iaa 55 Appendix G Printing Color oo ooooooooooccrrcrnonrocrcrcar noo
2. This is what the Override overprint mode in job option con trols If the Override overprint mode in job option is selected the Overprint process colors option described below is always honored and any overprintmode and opm parameter in the job is ignored If it is not selected any overprintmode and OPM parameter in the job is used and the Overprint process colors setting is used as the default value For more information see Appendix D Overprinting options Overprint process colors If this option is selected and overprinting is switched on for an object the RIP overprints any process color component defined as 0 in the CMYK color space or as 1 in the RGB color space That is the component is treated as transparent When this option is not selected a process color compo nent produces a knockout on the separation However if overprinting is switched on for an object the RIP over prints colorants that are explicitly set to overprint using the Harlequin extension set cmykcolor For more information see Appendix D Overprinting options Drop white objects When Overprint process colors is selected Drop white objects determines how the RIP handles white objects objects defined as 0 0 0 0 setcmykcolor 1 setgray Or it 1 setrobeolor If this option is selected and overprinting is switched on for that object the white object simply disappears from the separations If this option is not
3. Simulate paper color of job V Preserve 100 process black F Use black point compensation Override overprint mode in job V Overprint process colors Output Controls for RGB Drop white objects Black generation None X Overprint grays Override black generation in job 7 Overprint gray images me 1300 e 100 Overprint 100 black Maxink 300 Max black 100 Image only black Convert RGB black to true black Use late color management Output Controls Input Separation Detection Angles in Job Lighting Graphic Arts D50 hd Detect input separations by screen angle Color adjustments Faster En Cyan Magenta Yellow Black f f Figure 2 9 RGB proofing setup 2 1 5 RGB Proofing SetGoldPro and Harlequin ColorPro models The discussion on RGB proofing using the ICC model applies here However in this application you use the ColorPro technology within the RIP to build the color transforms as needed This requires some additional work to build the input emulation and output profiles using SetGoldPro whereas in the ICC model the profiles were built using a third party application The goal of both approaches is to obtain color accurate proofs One approach uses third party applications to build the necessary pro files ICC and one uses the Global Graphics Color utility SetGoldPro to build the profiles For more informati
4. on page 52 RGB input profiles See RGB Input Profiles on page 53 e CMYK output profiles See CMYK Output Profiles for Printing Press on page 54 E l CMYK Input Profiles Agfa Pressmatch Commercial Profile to simulate the film based Agfa Pressmatch proofing system using Agfa s commercial stock proofing substrate Agfa Pressmatch Commercial color space Profile of a proofing system designed to match Euro standard printing inks on a commercial base This matches a standard dot gain 22 17 printing process Tone value rendition of 2 98 3M Matchprint Profile of a proofing system designed to match European printing inks using a publication base This matches a low gain 12 14 printing process 3M Matchprint Standard Profile of a proofing system designed to match European printing inks using a publication base This matches a standard gain 24 printing process BVD FOGRA positive gloss Profile of a European commercial speciality and heat set web offset printing press conforming to ISO 12647 as specified by BVD FOGRA This specification is 60 lines per centimeter Ipcm positive plates gloss coated wood free 115 grams per square meter gsm BVD FOGRA positive LWC Profile of a European commercial speciality and heat set web offset printing press conforming to ISO 12647 as specified by BVD FOGRA 60 lpcm positive plates gloss coated web 70 gsm BVD FOGRA positive matt Profile of a Europe
5. 2129023m Byd fogr Input Profile Named Colors Device Link Profile Emulation Device Profile Figure 3 4 Uninstall ICC profiles 2 Use the Device and Color Space menus at the top of the dialog to limit the list of profiles to a par ticular device and color space Note Input profiles are not device specific so appear whatever the Device selector is set to The related profiles appear in the main Profile window Note The profile list only shows ICC profiles that is those containing the 51Cc Profile tag See Note on ProofReady profiles below 3 The Uninstall for uses check boxes allow uninstallation for All uses of the selected profiles or just some The check boxes are only enabled when there are profiles selected If All is selected the five individual use check boxes are all disabled otherwise they are enabled if at least one of the selected profiles is installed for that use For example if none of the selected profiles were installed for emulation the Emulation check box is disabled 4 Click on the Uninstall button to uninstall the selected profiles The Uninstall button is only enabled when there are profiles selected 5 To close the dialog click the Done button The dialog is not automatically closed after clicking Uninstall Note You are unable to uninstall ICC profiles that are being used by color setups If an attempt is made to uninstall such a profile a message is displayed INDEX CONTENTS
6. Use the CSA to transform the image Use the ICC profile to transform the image Use the DefaultGray DefaultRGB or Default MYK ColorSpace resources to transform image colors False or no value Treat job as CMYK or RGB Table C I Current page setup uses a color management option Override color management in job Selected Image contains a color space array Job contains Result UseClEColor set to True Use the DefaultGray DefaultRGB or DefaultCMYK ColorSpace resources to transform image colors False Treat job as CMYK or no value or RGB Table C 2 Current page setup does not use a color management option INDEX CONTENTS 4 47 gt DOCUMENT TEMPLATE INDEX CONTENTS 4 48 gt Override color Image contains a Job contains Result management in job color space array UseCIlEColor set to Not selected Yes Use the CSA to transform the image No True Use the DefaultGray DefaultRGB or Default MYK ColorSpace resources to transform image colors False Treat job as CMYK or no value or RGB Table C 2 Current page setup does not use a color management option C 4 Embedding ICC profiles in Photoshop images This section describes how to select the correct ICC profile for embedding in Photoshop 5 0 images and higher There are number of dialog boxes that relate to ICC profiles in Photoshop Here we explain how to set the options in thes
7. are often called Red Green and Blue Figure G 2 shows that different devices have different color gamuts colors that can be created on one device can be beyond the capabilities of other devices Gamuts are influenced by calibration environ ment age of the device model of the device and so on INDEX CONTENTS 4 57 gt COLOR PRO USER S GUIDE INDEX CONTENTS 4 58 gt Color monitor Color film Offset printing ous Boe Coated stock Newsprint Figure G 2 Color gamuts available For a given process many colors simply cannot be reproduced Furthermore different processes can reproduce different colors given two offset printers for example each can probably image some col ors that the other is not capable of imaging G 4 Device independent and device dependent color A device dependent color scheme specifies how to reproduce a color on a particular device by saying how much of each colorant to use The limitation of using this scheme is that the appearance of the final output may vary depending on the kinds of CMYK inks used the color the paper is printed on the viewing conditions and so on There are similar variations for RGB systems depending on the display phosphors monitor settings and so on The result is that it is not possible to predict the exact appearance of device dependent color jobs until they are printed One workaround to using the device dependent color scheme is to ada
8. image components and the color reproduction process used When you enable Harlequin ColorPro you can use SetGoldPro profiles ICC profiles and supplied profiles delivered with each device plugin or a combination of these if needed Figure 3 1 shows the whole process from installing a profile through defining custom color rendering intents to printing a job Note SetGold profiles cannot be imported into ColorPro because they are not ICC profiles ICC profiles may be produced by OEMs or by end users with third party characterization and profil ing tools Once you have installed the ICC profiles in your system you can use any combination of them to create customized setups The Harlequin RIP can also use an ICC profile embedded in an image In addition Harlequin ColorPro provides features that allow control over parameters used in creating color setups These unique features include e Customizable color rendering intents You can control exactly the way you want to reproduce different objects on a page by defining custom rendering intents and specifying which types of objects the intents should affect For example on the same page you can simultaneously repro duce images using a perceptual rendering intent photorealistically and the other elements of the page using absolute colorimetry See Custom rendering intents on page 25 for more infor mation e Color reproduction that is adjustable based on viewing conditions Viewing condi
9. 4 22 Field Description Name Enter the name that you wish to see in other ColorPro menus when you are choosing items installed from this ICC profile The original name shown comes from the ICC profile and may be hard to relate to the use of the profile For example you can edit this name so that it clearly identifies the printing conditions by adding the name of the media and the resolution for which it is valid The ICC Profile Information box under this field shows details about the ICC profile you are installing Input Profile Select this option to install the ICC profile as an input profile CMYK RGB or Gray Named colors Not yet available Device Link Profile Select this option to install the ICC profile as a device link profile Note A device link profile maps colors between two device dependent color spaces In this case the device link profile bypasses colorimetry to map colors directly between the input device and the output device Emulation An emulation profile is a profile that enables an output device such as a proofing printer to reproduce the color characteristics of another device such as a printing press Because a typical proofing device has a larger gamut than a printing press the emulation profile limits the color gamut on the proofer device to that of the device the emulation profile is for Select this option to install the ICC profile as an emula tion profile
10. 4 24 gt COLOR PRO USER S GUIDE INDEX CONTENTS 4 25 gt Unable to uninstall the profile lt profile name gt because it is used by the color setup lt color setup name gt For example Unable to uninstall the profile Bvd fogr because it is used by the color setup bvd Note If the same profile is used by several setups the error message shows only one setup at a time and not all the setups the profile is used for Note A profile is deemed as being a ProofReady profile if it has the ExternalcrDs PSIO PostScript Input Output key Whether it is an ICC profile has the 1CCProfi1le tag and the value of any Creator tag are no longer relevant ProofReady profiles are omitted from the list of profiles that can be uninstalled For a profile to be rec ognized as a ProofReady profile it must have the ExternalCrDs key To identify a profile which you have created you should add for example sscreator lt OEM name gt 3 4 Define color rendering intents If you are building a color setup for a new device custom rendering intents are useful for optimizing the color and quality of the proof based on the ink paper resolution and screening combination Cus tom rendering intents are used to optimize the CRDs when making color setups for a new device They are then used a second time to globally adjust the color to satisfy customer requirements When ColorPro is enabled you can define custom color
11. CR T3 Medium Matte base SWOP CGATS TRO001 Profile of a printing press configured by CGATS to meet the specifica tions for SWOP printing E 2 RGB Input Profiles sRGB Profile of a color space proposed by Hewlett Packard and Microsoft which is designed to be used as a basis for color management of World Wide Web images Office Graphics RGB This profile is based on cool white flourescent tubes at a brightness level found in a typical office Trinitron Profile of a monitor using Trinitron phosphors and set up in a standard way INDEX CONTENTS 4 53 gt COLOR PRO USERS GUIDE INDEX CONTENTS 4 54 gt E 3 CMYK Output Profiles for Printing Press BVD FOGRA positive gloss Profile of a European commercial speciality and heat set web offset printing press conforming to ISO 12647 as specified by BVD FOGRA 60 lpcm positive plates gloss coated wood free 115 gsm BVD FOGRA positive LWC Profile of a European commercial speciality and heat set web offset printing press conforming to ISO 12647 as specified by BVD FOGRA 60 lpcm positive plates gloss coated web 70 gsm BVD FOGRA positive matt Profile of a European commercial speciality and heat set web offset printing press conforming to ISO 12647 as specified by BVD FOGRA 60 lpcm positive plates matt coated wood free 115 gsm BVD FOGRA positive uncoated Profile of a European commercial speciality and heat set web offset printing press conforming to ISO 12
12. D l setoverprint true and setoverprintmode true In the following table with the sample PostScript language file setoverprintmode is false Override Overprint A a Overprint overprintmode process Result ae grays in job colors yes yes yes CMYK and gray overprint RGB knock out yes yes no CMYK overprints gray and RGB knockout yes no no All knockout no yes yes All knockout no yes no All knockout no no yes All knockout no no no All knockout Table D 2 setoverprint true and setoverprintmode false The table below shows the results when both setoverprint and setoverprintmode are set to false Override Overprint x a Overprint overprintmode process Result N grays in job colors yes yes yes All knockout yes yes no All knockout yes no no All knockout no yes yes All knockout no yes no All knockout no no yes All knockout Table D 3 setoverprint false and setoverprintmode false INDEX CONTENTS 4 50 COLOR PRO USERS GUIDE INDEX CONTENTS 4 51 gt Override Overprint 7 A Overprint overprintmode process Result EN grays in job colors no no no All knockout Table D 3 setoverprint false and setoverprintmode false D 2 Drop white objects This sample PostScript Language file tests the Drop white objects option IPS Drop white objects test true setoverprint true setoverprintmode 0 1 0 0 setcmykcol
13. Full use of device independent color requires ColorPro to be enabled INDEX CONTENTS 4 48 gt Appendix D Overprin Harlequin ColorPro provides various overprinting options and overrides in the Color Setup dialog box which when used together can become confusing In an effort to help explain the effects of the various controls a simple PostScript language file can be used D I Overprinting This sample PostScript language file tests setoverprint and setoverprintmode IPS Gray overprint tests true setoverprint true setoverprintmode 1 0 0 0 setemykcolor 0 0 200 450 rectfill 0 0 0 0 5 setcmykcolor 2 6 2 25 25 150 75 rectfill BOTTOM BOX cmyk 0 5 setgray 25 150 150 75 rectfill MIDDLE BOX gray 7 o 29 BSELYGbCOLOE 25 275 150 75 rectfill TOP BOX rgb showpage INDEX CONTENTS 4 49 COLOR PRO USER S GUIDE CONTENTS 4 50 INDEX The table below shows the results when both setoverprint and setoverprintmode are set to true Override Overprint A Overprint overprintmode process Result Ane grays in job colors yes yes yes CMYK and gray overprint RGB knock out yes yes no CMYK overprint gray and RGB knock out yes no no All knockout no yes yes CMYK and gray overprint RGB knock out no yes no CMYK overprint gray and RGB knock out no no yes CMYK and gray overprint RGB knock out no no no CMYK overprint gray and RGB knockout Table
14. To discard all changes click Cancel in the Color Setup dialog box You should however note that a color setup cannot be deleted from within the Page Setup dialog box If you attempt this the following message appears Deleting a color setup from within the page setup dialog is not supported Use Color gt Color Setup Manager to complete task 3 6 Customize page setups using new color setups Having created your color setups you are now ready to use them to customize page setups in the Harlequin RIP Note You do not need to produce a color setup before you create a page setup You can also open the Color Setup Manager from within the New Page Setup dialog box by clicking the Color Setup Manager icon eal When you open the Color Setup Manager in this way the Harlequin RIP selects the device and color space of the current page setup The procedure is otherwise as described in Define color setups using ColorPro on page 28 1 Choose Harlequin RIP gt Page Setup Manager INDEX CONTENTS 4 40 gt 2 3 10 In the Page Setup Manager dialog box click New INDEX In the New Page Setup dialog box select the appropriate Device ProofReady Separations Screening amp Color Style CMYK Composite Color No Color Management Trapping Method None Preferences Calibration amp Dot Gain Calibration None Tone Curves None Intended Press No
15. is no option for selecting a proofer rendering intent when an emulation profile is selected When a profile is selected from the Output Emulation menu the rendering intents selected in the Output Rendering Intents section apply to this profile It is not possible to select a ren dering intent for the profile selected in the Output profile option The Harlequin RIP automatically selects a rendering intent for the output profile in the following way 1 Ifthe Output Profile has any ICC output profiles associated with it the RIP uses a Colorimetric profile if one exists 2 If there is not a colorimetric profile the RIP attempts to use a Relative colorimetric profile 3 Ifa Relative colorimetric profile does not exist the RIP uses the first profile it finds in the list of output profiles associated with the ICC profile 4 Ifthe Output profile has no associated ICC output profiles the RIP generates a CRD with the CRD generator plugin In this case the rendering intent used is Absolute colorimetric For information on how to choose these options see Table 3 8 page 37 1 6 7 ICC auto switching Generally rendering intents are manually assigned using the various options available within Color Pro However if you select an ICC output profile ICC auto switching becomes an available option in the Output Rendering Intents ICC auto switching intelligently assigns different rendering intents based on the image types within a file e C
16. menu to make the link between the Golden State of the device contained in the SetGold profile and the devices ICC color profile 3 3 2 Install ICC profiles When you have configured access to Harlequin ColorPro you can begin installing ICC profiles 1 Choose Color gt Install ICC Profile A normal file selection dialog box appears 2 Enter the path where the ICC profile resides and click Select The Install ICC Profile dialog box appeats A Install ICC Profile Name iaid l Use For ues Profile Information E Input Profile 7 Named Colors Printer model lt unknown gt a A k E i ICC IT8 FOGRA gloss Device Link Profile Emulation Copyright by Logo GmbH Steinfurt 7 Device Profile MDT data included Intent Perceptual both directions ce Intent Relative Colormetric both directions For Device Bisvisw z Intent Saturation both directions Color Space CMYK mi Linear Calibration From _ Resample On Install Figure 3 3 Install ICC Profile dialog box 3 In the Install ICC Profile dialog box specify options for the profile you are installing based on how you want to use it See Table 3 1 for details INDEX CONTENTS 4 21 gt Depending on the type of ICC profile some options may be unavailable Note that you can simultaneously install a suitable profile as an input profile an emulation profile and a device profile COLOR PRO USERS GUIDE INDEX CONTENTS
17. the profile from which you want to copy the calibration e Choose Linear if the ICC profile you are installing has been made relative to the raw state of the device e Otherwise choose the reference state indicated by your profile manufacturer Typically the name of a profile in the menu gives enough information to match it with the ICC profile information of the profile you are installing e Note When a device using a ProofReady profile is selected in the For device field the Linear Calibration From menu offers various media options available for that printer and as such provides calibration for that particular device and media combination Resample on Install This option enables resampling and is not always avail able When selected it reduces the size of the profile you are installing However resampling also means less accurate color reproduction if you mean to use the ren dering dictionaries in ColorPro You must assess your situation and decide accordingly Table 3 1 Fields in the Install ICC Profile dialog box Continued Note to OEMs You may need to alter the second bullet point in the description of Linear Calibration From to match what you supply to your users If you have a new combination of device resolution media ink or other parameters that affect your imaging characteristics you can make your own refer ence state as indicated in technical note Hqn042 and the document aimvalue p
18. them selves can all control the processing of images in a job This appendix describes the settings that influence this processing and explains which setting takes precedence in each particular case Summary of options on page 47 shows a summary in tabular form Note Some options apply only to EPS files produced by Adobe Photoshop In addition Embedding ICC profiles in Photoshop images on page 48 describes how to select the correct ICC profile for embedding in Photoshop 5 0 images and higher PDF color management on page 48 describes the cases specific to PDF jobs C I PostScript language jobs and image files The Harlequin RIP checks the following when processing jobs containing Photoshop EPS images or TIFF JPEG images containing embedded ICC profiles e Does the current page setup use a color management option e Is the Override color management in job check box selected in the Color Setup dialog box e Does the image contain a PostScript color space array Photoshop EPS files only e Does the image contain an embedded ICC profile e Is the UsecIEColor parameter set to true in the job C 2 Page setup uses a color management option If the current page setup uses a ColorPro setup or No Color Management setup or both and the Override color management in job check box is selected in the Color Setup dialog box the Harlequin RIP uses the settings in the Color setup It treats the job as CMYK or RGB If the curre
19. used to reproduce colors Select Minimum Light Medium Heavy Or Maximum from the menu The From Profile option allows black generation to be defined in the profile Maximum ink This option sets a limit on the amount of ink Select from 200 to 400 in 20 steps from the menu Black threshold Value range should be 0 100 with decimals not necessary 95 5 defaults to 96 Leaving black threshold at its default value of 60 means black starts at a 60 tone value within the image Black generation must be set at least to Light for Black threshold to have an effect Manual Override This allows you to apply customized color correc tions You are redefining the rendering intent by using the slider to make the image more green or red more blue or yellow and lighter or darker For each type of correction use the slider or enter a value in the range of 100 to 100 Note Using this option without adequate knowl edge can result in distorted output Table 3 2 Color Rendering Intent Details dialog box INDEX CONTENTS 4 27 gt gt COLOR PRO USER S GUIDE INDEX CONTENTS 4 28 gt 4 Click OK after you have set options for the intent you are defining The Color Rendering Intent Manager dialog box displays the intent you defined You can also copy edit or delete intents from the Color Rendering Intent Manager dialog box 5 Click OK to close the Color Rendering Intent Manager dia
20. 647 as specified by BVD FOGRA 60 lpcm positive plates uncoated white paper 120 gsm Commercial A Profile of a Heidelberg MO printing press using standard European printing inks and a coated commercial paper stock SWOP CGATS TRO001 Profile of a printing press configured by CGATS to meet the specifica tions for SWOP printing INDEX CONTENTS 4 54 gt Appendix F Seeing C This appendix gives a brief description of the perception and measurement of color It forms an intro duction to understanding the issues in color printing listed in Appendix G Printing Color Fl Perception of color The perception of color is both biological and psychological The biological aspect is the eye s detec tion of certain wavelengths of light The psychological aspect is the way the sensation of color is pro cessed by the mind For hundreds of years researchers have tried to express the human perception of color in objective and quantifiable terms But since all people vary in how they process color this has been a formidable task From a purely physical point of view seeing color requires the presence of three elements a light source an object that interacts with the light and a receiver the eye An object has a color because it absorbs some wavelengths and reflects or transmits others For example a tomato appears red because it absorbs green and blue light and reflects red light Light a form of electromagneti
21. CC saturation 37 description of 5 input profile description of 20 supplied 52 53 Install ICC Profile dialog 21 installing ICC profiles 20 21 L Late color management 34 lighting D50 16 39 D65 16 39 Graphic Arts D50 16 39 Monitor D65 16 39 Main intents 37 managing color 56 manual override 27 mapping styles absolute colorimetric 4 business graphics 5 perceptual 5 photorealistic 5 relative colorimetric 5 saturation 5 maximum ink 27 Monitor D65 16 39 N named colors profile installing 22 New Page Setup dialog 41 O output profile 36 description of 20 installing 22 supplied 54 override option 27 P page setup 40 Page Setup dialog 41 Page Setup Manager dialog 41 INDEX CONTENTS 4 62 gt INDEX passwords 17 HIPP 18 PDF jobs color management in 48 perception of color 55 perceptual 27 description of 5 photorealistic See perceptual Photoshop images processing jobs containing 46 selecting profiles for embedding 48 Print File dialog 42 printing 42 CMYK 56 in color 56 RGB 56 Proofing CMYK analog matching 8 CMYK press proofing 9 CMYK ProofReady 7 Multiple color space proofing 13 RGB ICC model 10 RGB proofing SetGoldPro and Harlequin ColorPro models 12 R relative colorimetric 27 description of 5 Rendering intent selection emulation 6 ICC auto switching 6 rendering intents 37 resample on install 23 RGB image data in ColorPro 30 input profiles description of 20 input profiles
22. HARLEQUIN Harlequin ColorPro User s Guide Version 9 0 June 201 the smarter alternative GLOBAL GRAPHICS the smarter alternative GLOBAL GRAPHICS Copyright and Trademarks Harlequin ColorPro Harlequin PLUS Server RIP v9 0 June 2011 Part number HO ColorPro v9 0 OEM Document issue 113 Copyright O 2010 Global Graphics Software Ltd All rights reserved Certificate of Computer Registration of Computer Software Registration No 20065R05517 No part of this publication may be reproduced stored in a retrieval system or transmitted in any form or by any means electronic mechanical photocopying recording or otherwise without the prior written permission of Global Graphics Software Ltd The information in this publication is provided for information only and is subject to change without notice Global Graphics Software Ltd and its affiliates assume no responsibility or liability for any loss or damage that may arise from the use of any information in this publication The software described in this book is furnished under license and may only be used or copied in accordance with the terms of that license Harlequin is a registered trademark of Global Graphics Software Ltd The Global Graphics Software logo the Harlequin at Heart Logo Cortex Harlequin RIP Harlequin ColorPro Easy Trap FireWorks FlatOut Harlequin Color Management System HCMS Harlequin Color Production Solu tions HCPS Harlequin Color Proofin
23. ICC colorimetric and Icc saturation With ColorPro you are able to create color setups with or without color management You can save the setups and associated them with different page setups within the Harlequin RIP 1 5 Color and calibration To ensure high color accuracy make sure you calibrate your output device See the chapter on Cali bration in the Harlequin RIP OEM Manual 1 6 Color mapping styles used in ColorPro Various color mapping strategies are available with ColorPro The standard strategies are e Default Absolute Colorimetric e Default Relative Colorimetric INDEX CONTENTS 4 3 COLOR PRO USER S GUIDE INDEX CONTENTS 4 4 e Default Perceptual e Default Saturation These rendering intents use the values from an installed ICC profile together with settings from the Color Setup dialog box to generate a CRD at run time The information in this section also applies to the rendering intents that appear when ICC profiles are selected and when using the gt Default option For example e gt ICC colorimetric e gt ICC perceptual e gt ICC saturation The gt Default rendering intent is only available and is the recommended selection when using a ProofReady plugin and when a ProofReady media type is selected in the Output Profile menu This rendering intent appears when the Profile selected was created using Global Graphics tools and uses a CRD generated with settings considered to be optimal
24. MYK images are set to ICC colorimetric e RGB images are set to ICC perceptual 1 7 ProofReady plugins Each ProofReady plugin is supplied ready to use with preconfigured color management for several types of media ProofReady plugins are generally used for inkjet printers used in the proofing and display markets With a ProofReady plugin the way that you choose color management is simpler than the ColorPro options described in this manual because the setups are ready to use The special color setups appear in the ProofReady menu in the Output Device section of the Page Setup dialog box each named for a particular combination of media and resolution Choosing one of the entries from the ProofReady menu gives you a default color setup that produces good results for most jobs When an option is selected from the ProofReady menu the options in the Separations Screening and Color section of the Page Setup dialog are enabled This allows you to create and edit ProofReady color setups or separation styles However non compatible separation styles and color setups cannot be selected or created Tis editing allows you to expand the capabilities of a ProofReady plugin with a ColorPro option by creating and using custom color setups built upon the same profiles used to create the default color setups For more details of ProofReady plugins see the user guide for the relevant ProofReady plugin The Harlequin RIP is able to perform calibration w
25. RO pdf 13 02 2009 15 36 EA GOLFERO xps 06 02 2009 13 49 r File name Cancel Files of type PostScript PDF and XPS Files ps pdf xps y Page Setup Default Page Setup Ss Figure 3 10 Print File dialog box Select the type of file you want to print from the Files of type menu Select a file or type a file name in the File Name field Select the page setup you defined from the Page Setup menu Click Print If this is the first time you are using newly defined color rendering intents to print a job the Harlequin RIP requires a few extra minutes to produce the output This is because the Harlequin RIP must gen erate the color rendering dictionaries before printing If you submit another print job that uses the same intents the Harlequin RIP does not regenerate these dictionaries and printing proceeds more quickly gr PF SY NN INDEX CONTENTS 442 gt Appendix A UCR an ee It is always desirable to use the full capabilities of an output device This often means processing a supplied 3 color definition so that it uses all colors of a 4 color output device There are various tech niques for achieving this Undercolor removal UCR gray component replacement GCR and black generation are some of these techniques Whether ColorPro color management is in use or not you can see controls that apply these techniques in the Output Controls for RGB section of the Color Setup dia
26. This option is disabled if the profile being installed is a device link profile Note When you install a profile as an emulation profile it is automatically installed as an input profile for the appropriate color space Device Profile Select this option to install the ICC profile as a device or output profile If you select this option you must also choose a device from the For Device menu Once installed with this option the profile becomes available as an output profile in the New Color Setup dialog box Table 3 1 Fields in the Install ICC Profile dialog box INDEX CONTENTS 4 22 gt gt COLOR PRO USERS GUIDE INDEX CONTENTS 4 23 Field Description For Device If you selected the Device Profile option choose the out put device for the device profile If you wish to use the same profile for more than one device you must install it for each device When creating CMYK Separations you should select Printing Press Color space This is the color space of the profile Generally profiles are provided for a single color space However some profiles are supplied for more than one color space In this case you should select the color space which you would like to use Linear Calibration From Once you have made a choice in the For Device menu choose an entry from this menu Each entry is a profile associated with the device and used here to provide a calibration Choose
27. Use late color management option is available on both ColorPro and No color management color setups INDEX CONTENTS 4 34 gt COLOR PRO USER S GUIDE INDEX CONTENTS 4 35 gt The option is available in No color management setups to achieve better rendering of overprinted spot colors For accurate proofing of jobs containing transparency and or overprints it is recommended that the Use late color management option is used Please note the following points when using late color management e The definitions of tint transforms of spot colors in the job which are used to derive the CMYK equivalents will only be used to derive the CMYK equivalent of the 100 color value Tints will be rendered with CMYK values derived from the 100 spot Note If the Treat spot colors as CMYK option in a ColorPro setup is off the default the RIP attempts to find the equivalent from the spot color databases in preference to using the tint trans form That is long standing ColorPro behavior See Table 3 3 for more information e Ifajob contains multiple color spaces of the same spot color and where there are multiple defi nitions of the tint transform only the first tint transform encountered will be used as above e Special treatment of DeviceRGB and device independent colors in the job is currently required That is the RIP will first color manage these color spaces to a CMYK color space defined by the CMYK input profile If this is not define
28. a None Output Rendering Intents L Treat spot colors as CMYK Y Use Pantone PLUS Mainintert hiaai Input Document Controls E CMYK images None _ Override color management in job m t lt E RGB images None X Simulate paper color of job v Preserve 100 process black l Use black point compensation Override overprint mode in job Overprint process colors Output Controls for RGB _ Drop white objects Black generation None Ss Overprint grays Override black generation in job Y Overprint gray images x Max ink 300 Max black 100 Overprint 100 black Image only black Convert RGB black to true black 1 Use late color management Output Controls Input Separation Detection Angles in Job Lighting Graphic Arts D50 x Detect input separations by screen angle Color adjustments Faster sa Cyan Magenta Yellow Black _Saveas Cancel Figure 2 2 CMYK analog matching INDEX CONTENTS 4 8 COLOR PRO USERS GUIDE INDEX CONTENTS 4 9 This setup shows an input profile based on DuPont Cromalin with selection of the same Epson Stylus Pro 3800 device using glossy photo paper Note the selection of the gt Default rendering intent only appears when a ProofReady plugin is loaded and is the recommended choice when
29. ailable by use of a password which is detailed here G New Color Setup ColorPro Input Profiles CMYK data None y RGB data None zj v Color manage gray as CMYK Gray data None m Treat spot colors as CMYK Use Pantone PLUS lt Input Document Controls Override color management in job Simulate paper color of job Y Preserve 100 process black Override overprint mode in job v Overprint process colors Drop white objects Overprint grays v Overprint gray images Overprint 100 black Image only black _ Use late color management Input Separation Detection Angles in Job Detect input separations by screen angle Cyan Magenta Yellow Black ewG e Output Profile z mo Output Emulation None y into Output Rendering Intents Main intent None CMYK images None RGB images None Use black point compensation Output Controls for RGB ao lack generation None y Override black generation in job Maxink 300 Max black 100 Convert RGB black to true black Output Controls Lighting Graphic Arts D50 X Color adjustments Faster X Figure 3 8 New Color Setup ColorPro dialog box The options on the left
30. an commercial speciality and heat set web offset printing press conforming to ISO 12647 as specified by BVD FOGRA 60 lpcm positive plates matt coated wood free 115 gsm INDEX CONTENTS 4 52 gt COLOR PRO USER S GUIDE INDEX CONTENTS 4 53 gt BVD FOGRA positive uncoated Profile of a European commercial speciality and heat set web offset printing press conforming to ISO 12647 as specified by BVD FOGRA 60 lpcm positive plates uncoated white paper 120 gsm Commercial A Profile of a Heidelberg MO printing press using standard European printing inks and a coated commercial paper stock DuPont Cromalin Profile of a proofing system designed to match a typical European low gain commercial printing press DuPont Cromalin ES 96 Profile of a proofing system designed to match a typical European standard gain commercial printing press DuPont WaterProof Commercial Profile of a proofing system designed to match a typical US printing press with between 17 and 20 dot gain on Commercial paper base DuPont WaterProof Publication Profile of a proofing system designed to match a typical US printing press with between 17 and 20 dot gain on Publication paper base Fuji ColorArt Commercial CR T3 Gloss Profile of a proofing system designed to match typical US printing Commercial CR T3 Gloss base Fuji ColorArt Publication CR T3 MMatte Profile of a proofing system designed to match typical US printing Pub lication
31. at is currently defined as an input pro file only as a device profile in a color setup you can reinstall the ICC profile as a device profile Note When a profile is installed as an emulation profile it is automatically installed as an input pro file for the appropriate color space You can get started using one input profile However Harlequin ColorPro can use various types of profiles GGS supplies some commonly used profiles For more information see Appendix E Supplied Profiles Input profiles for CMYK and RGB are pre installed If you do not have suitable profiles for your sys tem you must make available at least one from each of these types e Input CMYK profile Install at least one ICC profile as a CMYK input profile or a device link pro file An input profile colorimetrically transforms color data from a device dependent color space to a device independent color space where ColorPro options can process the data and supply it to an output profile which you can choose separately to suit your output device A device link profile maps colors between two device dependent color spaces In this case the color data bypasses ColorPro color management to pass with a predefined transformation directly between the input device and the output device e Input RGB profile Install at least one ICC profile as an RGB input profile or a device link profile The RGB input profile translates the input to a device independent color spac
32. ation Override overprint mode in job Overprint process colors Output Controls for RGB Drop white objects Black generation None me BES LEC F Override black generation in job Y Overprint gray images m 1 T 7 E Overprint 100 black Max ink e Max black S _ Image only black Convert RGB black to true black Use late color management Output Controls Input Separation Detection Angles in Job Lighting Graphic Arts D50 xj _ Detect input separations by screen angle Color adjustments Faster me Cyan Magenta Yellow Black Figure 2 10 Use the emulation ICC profile supplied by print shop 2 1 6 Multiple color space proofing Magazine publishers may receive editorial images from digital cameras which are RGB images and ads from their vendors as CMYK images The problem is that both editorial RGB and ad images CMYK can appear on the same page and the publisher will want to create digital proofs which are representative of what the page is going to look like on press With ColorPro assuming the correct profiles and rendering intents have been selected this type of proofing is possible Thus a mixed color space page layout requirement can still be proofed accurately for color allowing for the editorial group to stay in the RGB world and the ad agencies in CMYK Two sample setups are shown below This first set
33. c energy can be described as waves The length of a wave is its wave length Wavelengths are measured in nanometers nm that is one millionth of a millimeter Wave lengths between 400 and 700 nm are visible to the human eye Red Green and other colors are names assigned to a certain range of wavelength F2 Additional reading Billmeyer Jr Fred W and Max Saltzman Principles of Color Technology 2nd edition John Wiley and Sons 1981 Hunt R W G The Reproduction of Color in Photography Printing and Television 4th edition Fountain Press 1987 Hunt R W G Measuring Color 2nd edition Ellis Horwood 1992 Judd D B and Wyszecki Gunter Color in Business Science and Industry 3rd edition John Wiley and Sons 1975 X Rite Inc Understanding Color Communication X Rite Inc Understanding Graphic Arts Densitometry INDEX CONTENTS 4 55 gt Appendix G Printing D This appendix describes the issues in achieving faithful color reproduction and how the treatment of these issues has changed with the availability of digital technology and device independent color G I Issues in color printing Color printing is a difficult art At the core is the following problem how does one person or scanner application and so on specify a color sufficiently for another person or printer monitor and so on to reproduce the color as the first person intended The color printing process begins with the designe
34. cription of 20 installing 22 device dependent color introduction 58 device independent color in PDF jobs 48 in Photoshop and PostScript jobs 46 introduction 58 dialogs for ColorPro Color Rendering Intent Details 26 Color Rendering Intent Manager 25 Color Setup Manager 28 Configure RIP Extras 18 Enable Feature 18 Install ICC Profile 21 New Page Setup 41 Page Setup Manager 41 Print File 42 dialogs for HIPP Configure RIP Extras 19 INDEX CONTENTS 4 61 INDEX Enable Feature 19 DuPont Cromalin input profile 53 DuPont WaterProof input profile 53 E Emulation rendering intent selection 6 Enable Feature dialog 18 HIPP 19 Enabling ColorPro for a single device 18 for all devices 17 F features 16 Fuji ColorArt input profile 53 G gamuts color 57 Graphic Arts D50 16 39 H HIPP password 18 ICC introduction to the organization 1 profile connection space 58 web site 1 ICC absolute colorimetric 37 description of 4 ICC auto switching 6 37 ICC perceptual 37 description of ICC profiles definition 2 16 description of 58 device link profiles 20 device profile installing 22 device profiles description of 20 input profiles 20 installing 21 named colors profile 22 output profile installing 22 output profiles description of 20 resample on install 23 COLOR PRO USERS GUIDE INDEX CONTENTS 4 62 gt supplied 52 types of 20 uninstalling 24 ICC relative colorimetric description of 5 I
35. d or a No color management setup is used swop CGATS TROO1 will be used The downside of this method is that the CMYK input profile may restrict the gamut of the colors in the job for these color spaces to less than the gamut of the output device e Using the Preserve 100 process black option at the same time as Use late color management will sometimes give undesired results e Late color management is forced on when used with recombine and also when outputting to a DeviceN device such as a Hexachrome device The following table describes all the options available in the Input Separation Detection Angles in Job section of the New Color Setup dialog box Fields Description Detect input The RIP sometimes needs to identify which colors are rep separations by screen resented in jobs for example when recombining a presepa angle rated job Most pre separated jobs have PlateColor comments Therefore from v8 3 separation detection by angle has been turned off by default Where there is not an obvious identifier most likely in legacy jobs the RIP can use the screen angle as one of the items that the RIP ana lyzes Turn this option on to detect separations by screen angle Cyan The angles specified in these fields help the ColorPro appli cation detect the individual plates within a job The default M t AR angles usually work Yell moe If you do change one of these values for example Cyan to Black 30 and the incom
36. df supplied with the Harlequin RIP Extensions Manual If you use an output plugin created by GGS and supply your users with the installed profiles supplied by GGS then the naming of the profiles shown in the Linear Calibration From menu indicates the device media and resolution If you supply additional ICC profiles one simple option INDEX CONTENTS 4 23 COLOR PRO USER S GUIDE INDEX CONTENTS 4 24 gt is to create each ICC profile by printing an ICC target using the appro priate Harlequin profile and following a similar naming policy for the resulting ICC profile To resume the process follow these steps 4 Click Install to install the profile The Harlequin RIP runs a short job to do this typically taking under 10 seconds This job pro duces no output but does display an activity icon in the status area of the RIP tool bar 5 Repeat this procedure from step 1 to install any other ICC profiles that you wish to use Unless you are using device link profiles ColorPro must have available one of each of these three profile types input CMYK profile input RGB profile and a device or output profile 3 3 3 Uninstall ICC profiles A method is provided to uninstall ICC profiles 1 Select the Color gt Uninstall ICC Profiles menu item On selection the following dialog appears f Uninstall ICC Profiles E Device Any v ColorSpace Any y Profiles Uninstall for uses Spach ua
37. e Photoshop dialog boxes e File gt Color Settings gt Profile Setup In this dialog box you indicate which types of images should have profiles embedded RGB CMYK Grayscale and Lab Also in this dialog box you can select Assumed Profiles Note that these assumed profiles are not the profiles that are embedded e File gt Color Settings gt RGB Setup File gt Color Settings gt Grayscale Setup These dialog boxes do not contain an explicit ICC Profile option However for RGB and Gray images Photoshop converts the set of parameters selected in this dialog box to ICC profiles and it is these profiles that are embedded You can create ICC profiles directly using the Save option in this dialog box Note that standard ICC profiles are not supported in Photoshop 5 0 for RGB or grayscale images e File gt Color Settings gt CMYK Setup You select ICC profiles and also the Color Management Module using this dialog box It is these profiles that are embedded C 5 PDF color management PDF jobs can use a variety of color spaces including device dependent spaces such as DeviceCMYK Typically when using device independent color spaces PDF version 1 2 files use the CalGray and Ca1RGB color spaces and PDF version 1 3 files use the 1ccBased color space but these usages are under the control of the creating applications see the Job Options dialog box for the Advanced tab in Distiller 3 0 for the Color tab in Distiller 4 0
38. e containing an Output Intents diction ary will be color managed using the ICC profile indicated by the output Intents dictionary as long as the job uses a device independent color space and the Override color management in job option is not selected Simulate paper color of Select this check box if you want the output device to lay job down a background which matches the paper base color of the input If you do not select this check box colors are adjusted so that the white base is mapped to the final printer s paper color Note This check box determines the rendering style the Harlequin RIP uses with the 1cc colorimetric intent It is absolute colorimetric when this box is selected relative when de selected Preserve 100 process Select this check box if you do not want the black only part black of your input to be converted to a CMYK equivalent color This option is particularly relevant for black text because it avoids colored fringes Table 3 4 Input Document Controls INDEX CONTENTS 4 31 gt COLOR PRO USERS GUIDE INDEX CONTENTS 4 32 Fields Description Override overprint mode in job There is a new PostScript operator called setoverprintmode Which is the PostScript equivalent of the PDF gstate opm flag If an object is set to overprint and opm or setoverprintmode is on the Harlequin RIP drops any colorants which have a zero value This is called implicit overprinting
39. e harder to show in the chromaticity diagram INDEX CONTENTS 4 60 gt Index Numerics 3M Matchprint input profile 52 A absolute colorimetric 27 description of 4 Angles screens expected in incoming job 35 black generation 27 43 Black point compensation 38 black preservation 31 business graphics See saturation BVD FOGRA input profile 52 output profile 54 C calibration 3 41 CGATS TR001 input profile 53 CIE 58 CMYK image data in ColorPro 30 input profiles description of 20 input profiles supplied 52 output profiles supplied 54 printing 56 color correction 27 device dependent 58 device independent 58 gamuts 57 management 56 mapping styles 3 perception of 55 printing 56 seeing 55 Color Rendering Intent Details dialog 26 Color Rendering Intent Manager dialog 25 Color Setup Manager dialog 28 color setups 28 lt colorimetric See absolute colorimetric ColorPro black generation 27 black preservation 31 calibration 41 CMYK data 30 color setup manager 28 color setups 28 features 16 intent details 26 intent manager 25 maximum ink 27 output profile 36 page setup 40 password 17 printing 42 RGB data 30 simulate paper color of jobs 31 Commercial A input profile 53 output profile 54 Configure RIP Extras dialog 18 HIPP 19 correction color 27 D D50 16 39 D65 16 39 definitions ICC profiles 16 device link profile description of 20 device profile 36 des
40. e scanners and applications produce data that has been adjusted so that the lightest and darkest point are encoded as maximum and minimum lightness For interpreting this kind of image the rela tive colorimetric style is appropriate 1 6 3 Perceptual This style maps the entire device independent color space onto the gamut of the printer by compress ing the range of in gamut colors to make room for out of gamut colors It is appropriate for rendering photographs and similar reproductions of natural scenes Note This strategy was named Photorealistic in early Harlequin RIP color management systems 1 6 4 Saturation This style specifies that the saturation of the colors in the image is preserved perhaps at the expense of accuracy in hue and lightness Note This strategy was named Business Graphics in early Harlequin RIP color management systems 1 6 5 Paper simulation ColorPro allows you to reproduce the paper color of the input job in the output from the Harlequin RIP This option is an important feature because for example some proofing stocks are very blue and contain optical brighteners which are not typical of papers that are run through presses at least presses running inks Thus paper simulation can help in proofing Paper simulation is controlled by the Simulate paper color of job check box in the Input Document Controls section of the New Color Setup dialog box ColorPro processes other colors on the page to match the chose
41. e so that the result ing colors match the colors that can be produced on a monitor The device link RGB profile bypasses ColorPro color management to map the RGB colors directly to the output device Note Most ICC profiles are suitable for installation as either input or output profiles The same profile however cannot be used as both a CMYK and an RGB input profile Before you create any color setups in ColorPro make sure you have available at least one CMYK and one RGB input profile e Device or output profile Install at least one ICC profile as a device or output profile This profile must be an ICC output profile that is appropriate for the printer to be used This profile does the opposite of what an input profile does Based on information about the output device and imag ing conditions the output profile transforms the device independent color space back into a device dependent color space Note Before you import an ICC profile into the Harlequin RIP you should make sure that you have set up the profile correctly for the given device type in the ICC profiling package Understanding the correct use of ICC profiles for a given device type is essential to successful color proofing Note You are not able to install an ICC profile which is created for a device that has a different num ber of colorants to your device For example a six color ICC profile cannot be installed if you device only supports four colors In addition the colo
42. en million colors that it can reproduce and a printing press might typically manage five thousand In the CIE x y chromaticity diagram shown in Figure G 1 the pure spectral colors are distributed around the curved edge of a horseshoe shaped chart with a straight line connecting the blue and red ends of that curve The strongest purest colors are at the edge of the diagram while mixtures of those colors fill the interior All the color names are informal indications of which color appears where a label like Red is too imprecise for scientific or technical use unless it is given an accompany ing specification The interior colors vary smoothly with position with the influence of the colors on the edge diminishing as the distance from the edge increases The small black square near the center of the horseshoe shape indicates white or the absence of a color bias For example a straight line passing from the edge at the point labeled Red to the square representing White would pass from a saturated red through areas with lightening shades of pink before arriving at white Similarly a line staying near the edge and passing from Red to Yellow would pass through areas of red orange and yellow Green Greenish Blue Figure G I CIE 1931 chromaticity diagram Figure G 1 also shows the typical gamut of a color monitor The difficulties of using informal color names become obvious when you know that the corners of this triangular gamut RGB
43. ents are taken into account If this box is not selected the objects appear in any separation where the color component is defined as non zero in the CMYK color space or not 1 in the RGB color space Process color com ponents defined as 0 in the CMYK color space or 1 in the RGB color space are always overprinted Use late color Color management modules prior to the Harlequin RIP management Genesis Release instigated color management at the front end of the process with the exception of recombine jobs where color management was applied at the back end of the process Applying late color management gives better quality results with blended colors See below for more information Table 3 4 Input Document Controls Continued Notes on Use late color management The Use late color management option has been introduced in the Harlequin Genesis Release to over come problems with color managing blended colors In this context blended colors means both the compositing of transparency in PDF jobs and also the overprinting of opaque objects in PostScript language and PDF files In order to color manage blending correctly the blending must be performed in the same color space that the designer worked in when creating the job For example SWOP with a range of Pantone col ors In theory if this type of job is printed on a SWOP press that supports all the Pantone colors pres ent in the job the rendering of the blends will be c
44. for the given printer and media configura tion The gt 1cc rendering intents use CRD s installed in the RIP and appear when an ICC profile has been installed and selected as either an Output Profile when emulation is not selected or as an Emulation Profile Harlequin ColorPro can use these strategies from both ICC and Harlequin profiles You are also able to modify these strategies and save them as new named strategies for later use The difference between the Harlequin derived and ICC rendering intents is that you are able to cus tomize the Harlequin rendering intents using the Rendering Intent Manager see Custom rendering intents on page 25 for more information The names Absolute colorimetric Relative colorimetric Perceptual and Saturation are the conven tional terms for these color mapping strategies rendering intents and the Harlequin RIP uses these names for rendering intents derived from Harlequin profiles The names that appear for rendering intents derived from ICC profiles are slightly different there is only one colorimetric intent but all the same styles are available to the Harlequin RIP provided that an ICC profile contains them ICC and Harlequin rendering intents are not same but they do produce similar results The different naming scheme makes it easier for the best rendering intent to be selected by ColorPro so that it best suits the other choices you have made when creating a color setup Sect
45. g HCP Harlequin Error Diffusion Screening Plugin 1 bit HEDS1 Har lequin Error Diffusion Screening Plugin 2 bit HEDS2 Harlequin Full Color System HFCS Harlequin ICC Profile Processor HIPP Harlequin Standard Color System HSCS Harlequin Chain Screening HCS Harle quin Display List Technology HDLT Harlequin Dispersed Screening HDS Harlequin Micro Screening HMS Harlequin Precision Screening HPS HOcrypt Harlequin Screening Library HSL ProofReady Scalable Open Architecture SOAR SetGold SetGoldPro TrapMaster TrapWorks TrapPro TrapProLite Harlequin RIP Eclipse Release and Harlequin RIP Genesis Release are all trademarks of Global Graphics Software Ltd Protected by U S Patents 5 579 457 5 808 622 5 784 049 5 862 253 6 343 145 6 330 072 6 483 524 6 380 951 6 755 498 6 624 908 6 809 839 Other U S Patents Pending Protected by European Patents 0 803 160 0 772 934 0 896 771 672 29 760 8 08 Portions licensed under U S Patent No 5 212 546 4 941 038 TrueType is a registered trademark of Apple Computer Inc The ECI and FOGRA ICC color profiles supplied with this Harlequin RIP are distributed with the kind permis sion of the ECI European Color Initiative and FOGRA respectively and of Heidelberger Druckmaschinen AG HEIDELBERG The IFRA ICC profiles supplied with this Global Graphics Software are distributed with the kind permission of IFRA and of GretagMacbeth International Cooperation for I
46. ge 25 for more information See Color mapping styles used in ColorPro on page 3 for detailed descriptions of all intents styles Main intent cont If you select an ICC output profile tcc auto switching becomes an available option ICC auto switching intelli gently assigns different rendering intents based on the image types within a file CMYK images are set to ICC colorimetric RGB images are set to ICC perceptual CMYK Images This option overrides any selection you made in the Main intent field but for images only It applies to all images including Gray a d RGB images If required however you can select an option specifically for RGB images from the RGB Images intent menu below which overrides this intent with its own option described below The list of options displayed in the menu work in the same way as for the Main intent If you decide not to select a rendering intent for CMYK images the Main rendering intent is used instead Table 3 8 Output Rendering Intents INDEX CONTENTS 4 37 COLOR PRO USERS GUIDE INDEX CONTENTS 4 38 Fields Description RGB Images When you select an option from this menu you are effec tively overriding for RGB images only the options previ ously configured in the CMYK Images menu or if no option is selected there the Main Intent menu described above The list of options displayed in this menu work in the same wa
47. ges 7 Overprint 100 black Image only black Convert RGB black to true black Use late color management Output Controls Input Separation Detection Angles in Job Lighting Graphic Arts D50 x J _ Detect input separations by screen angle Color adjustments Faster m Cyan Magenta re A Corea Figure 2 11 Multiple color space proofing 1 This setup is an all ICC workflow that is the profiles have been generated by a third party application and then loaded into the RIP r New Color Setup ColorPro Input Profiles Output Profile CMYK data USWebCoatedSWOP y Galas a rio RGB data ProPhotoRGB y in Y Color manage gray as CMYK r e speed x USWebCoatedSWOP x into Gray data None y Output Rendering Intents Treat spot colors as CMYK Mamen Y Use Pantone PLUS o fecc golarimetic iY Input Document Controls M CMYK images ce colorimetric y 7 Override color management in job y Y RGB images bice colorimetric x Simulate paper color of job F Preserve 100 process black Use black point compensation Override overprint mode in job Y Overprint process colors Output Controls for RGB Drop white objects Black generation None Z Fl Overp
48. he output printer Monitor colors out of printer gamut TIA Printed colors out of monitor gamut Figure G 3 Detail of out of gamut areas There are several possible mappings To show how some of these mappings work we can consider example colors possible on the monitor but not possible on the printer In Figure F 4 colors out of the printer gamut are mapped to a nearby point on the edge of the gamut In this example Al is already at a point on the printer gamut limit and points A2 and A3 are outside the gamut limit A1 and all colors within the printer gamut are reproduced exactly Points A2 and A3 are mapped to the nearby points on the printer gamut B2 and B3 respectively This is absolute colo rimetric mapping Note In the following diagrams the direction of the arrows for mapped colors points towards a white point INDEX CONTENTS 4 59 gt COLOR PRO USER S GUIDE INDEX CONTENTS 4 6o gt Figure G 4 Absolute colorimetric mapping Figure G 5 shows perceptual mapping a scheme in which there are no abrupt changes in mapping Colors at the edge of the input gamut A2 map to the edge of the output gamut C2 Other out of gamut colors map to colors just inside the output gamut map Even colors within the printer gamut are mapped to a degree that depends on their distance from the edge of the printer gamut Figure G 5 Perceptual mapping There are other possible mappings but these ar
49. ictly colorimetric Custom rendering intents are used in combination with SetGoldPro output profiles when building profiles for a new device and to adjust color to meet customer requirements Follow these steps to create customized intents 1 Choose Color gt Color Rendering Intent Manager The Color Rendering Intent Manager dialog box appears INDEX CONTENTS 4 25 gt 2 INDEX fr Color Rendering Intent Manager Name Default Absolute Colorimetric Default Perceptual Default Saturation Default Relative Colorimetric Style Absolute Colorimetric Perceptual Saturation Relative Colorimetric Manual override Est Delete Figure 3 5 Color Rendering Intent Manager dialog box CONTENTS 4 26 COLOR PRO USER S GUIDE We recommend that you do not edit the default entries Use the New or Copy buttons to create new intents before making changes Click New Masimurn ink Black threshold 60 Manual controls E Manual Override more green more 4 blue darker 4 r Color Rendering Intent Details Name Default Absolute Colorimetric Black generation where appropriate ma more ted more yellow lighter From Profile no 00 Figure 3 6 Color Rendering Intent Details dialog box In the Color Rendering Intent Details dialog box you can set options for the intent you are defin ing See Table 3 2 for descriptions of each optio
50. ing job has Cyan at 15 you will encounter problems Table 3 5 Input Separation Detection Angles in Job INDEX CONTENTS 4 35 gt COLOR PRO USER S GUIDE INDEX CONTENTS 4 36 gt The following table describes the Output Profile option of the New Color Setup dialog box Fields Description Output Profile From the menu select an output profile for your device All GGS supplied profiles and installed ICC profiles for the selected device are displayed After you select an output profile you can click the Info button to display the charac teristics of the output profile Verify that you have chosen the appropriate profile Table 3 6 Output Profile The following table describes the Output Emulation option of the New Color Setup dialog box Fields Description Output Emulation Emulation is used when you proof on a different device to that used for final output because a typical proofing device has a larger color gamut than a printing press Using an emulation profile the proofer limits the range of colors so that it prints to the gamut of the device being emulated For example if you are proofing on an inkjet printer you can use a profile of your printing press to emulate on the proofer the characteristics of the press If you specify an emulation profile the chosen rendering intents are applied to the emulation profile and not the proofer profile When you have selected a
51. ion 1 6 1 through Section 1 6 4 fully describe these options Appendix G Printing Color has further details on absolute colorimetric mapping and perceptual mapping 1 6 1 Absolute colorimetric Any color the device can reproduce with the intended setup and viewing conditions is reproduced exactly Colors outside the device gamut are mapped onto a nearby point in the gamut There are various ways in which a color might be out of gamut For example it could be too saturated lighter than the paper color or darker than the darkest imageable patch Colorimetric reproduction is appropriate where an exact color match is required For example you may choose a colorimetric strategy when you are reproducing a logo in corporate colors Note Absolute and relative colorimetric styles are closely related For simplicity ColorPro displays just the single name ICC colorimetric but internally it is able to use either style where it is appropriate INDEX CONTENTS 4 4 COLOR PRO USER S GUIDE INDEX CONTENTS 4 5 1 6 2 Relative colorimetric This style aims to reproduce colors exactly except that the luminance how light or dark a color is is scaled so that the darkest possible color is mapped to the darkest imageable color and the lightest possible color to the paper white This style may change the hue degree of redness blueness and so on of any color and is almost certain to affect the luminance of most colors Som
52. ith ProofReady plugins For more information see Calibration and output profiles on page 21 INDEX CONTENTS 4 6 Chapter 2 ColorPro w 2 1 Introduction This section describes some useful workflows and how to configure them using the Harlequin RIP and ColorPro These workflows are intended as examples to demonstrate practical solutions to com mon workflow configurations The workflows are shown first with the most straightforward and becoming increasingly more complex It is hoped that you find a workflow that closely matches your system requirements and with a few minor adjustments quickly get your system up and running There are several dialog boxes shown in this section with various options selected Explanations are given where useful but full descriptions of every option are not given For full descriptions of all the available options in the dialogs see Using Harlequin ColorPro on page 16 In this section the following workflows are described e CMYK ProofReady proofing see CMYK ProofReady proofing on page 7 e CMYK analog matching see CMYK analog matching on page 8 e CMYK press proofing see CMYK press proofing on page 9 RGB Profiling ICC model see RGB Proofing ICC model on page 10 e RGB Proofing SetGoldPro and Harlequin Pro models see RGB Proofing SetGoldPro and Harlequin ColorPro models on page 12 e Multiple color space proofing see Multiple color
53. log box 3 5 Define color setups using ColorPro You can use any ICC profiles or Harlequin derived profiles with any suitable rendering intents ICC Default Absolute Colorimetric and so on or customized intents to define color setups in ColorPro Follow these steps to create a customized color setup Note that a color setup corresponds to a partic ular device and color space 1 Choose Color gt Color Setup Manager The Color Setup Manager dialog appears r Color Setup Manager Name Type Profile No Color Management No Color Management New No Color Management Setup New ColorPro Setup Cea Ce Cose See Figure 3 7 Color Setup Manager dialog box 2 In the Color Setup Manager dialog box select the device for which you want to create a color setup If you are creating a color setup for CMYK Separations you should select Printing Press 3 If necessary select the color space for which you want to create this color setup Note that when you create a page setup the separations style you choose determines the color space of the page setup INDEX CONTENTS 4 28 gt COLOR PRO USER S GUIDE INDEX CONTENTS 4 29 gt At this point you have the option to select either New No Color Management setup details of which you can find under the Color Setup heading in Section 12 of the OEM manual because it is available to all or New ColorPro setup only av
54. log box This appendix describes the cir cumstance where each control has an effect A The Harlequin RIP without ColorPro In the Harlequin RIP without ColorPro enabled UCR and black generation follow the settings in the Output Controls for RGB section of the Color Setup dialog box You can select this from Color gt Color Setup Manager gt New No Color Management Setup or by clicking the Color Setup Manger icon from the tool bar or the Separations Screening amp Color section of the Edit Page Setup dialog It is worth stressing that this black generation affects only RGB color inputs and only when RGB is expressed in a device dependent way CMYK and device independent RGB are not affected by these settings See Color Separation in the Harlequin RIP OEM Manual for details A 2 The Harlequin RIP with ColorPro enabled In the Harlequin RIP with ColorPro enabled and suitable profiles installed there are several possibilities e ColorPro and an ICC profile The black generation is defined in the output profile and cannot be altered e ColorPro and a device link profile The color transformation is specified in the device link profile and cannot be altered e ColorPro with the RGB input profile set to None In this case UCR and black generation follow the settings in the Output controls for RGB section of the Color Setup dialog box See the Output Controls for RGB on page 38 for details e ColorPro and a Harle
55. n Note When any of the ColorPro options are applied the Harlequin RIP disregards the Black gen eration UCR settings in the Output Controls for RGB section of the New Color Setup dialog box Instead it generates black based on the values chosen in the Black generation and Maximum ink fields in the Color Rendering Intent Details dialog box See Appendix A UCR and Black Generation for details INDEX CONTENTS 4 26 gt COLOR PRO USERS GUIDE INDEX CONTENTS 4 27 Field Description Name Enter any name for the intent you are defining Choose a meaningful name Style Select a style from the menu Choose one of the fol lowing Absolute Colorimetric Applies absolute colori metric rendering Perceptual Applies photorealistic rendering and is especially suitable for contone images Relative Colorimetric Applies relative colori metric rendering when absolute colorimetric ren dering cannot be achieved due to output device limitations Saturation Applies highly saturated eye catch ing colors Suitable for charts presentations and business graphics Default Appears only when a ProofReady plugin is installed and selected Applies to ProofReady plugins and is optimized for the selected printer See Color mapping styles used in ColorPro on page 3 for detailed descriptions of these styles Black generation where appropriate This option determines how much black ink should be
56. n background so this setting implies absolute and relative modes This could be a problem if the chosen rendering intent made a conflicting choice of absolute or relative rendering If the Simulate paper color of job check box is selected when using the gt 1cc colorimetric intent option the color is absolute When the check box is not selected the color is relative This means that there cannot be a conflict but allows full access to the rendering intents To clarify if the Simulate paper color of job check box is selected when using the ICC colorimetric intent option it changes the gt Icc colorimetric option to absolute and the background color of the paper would appear on the proof That is if the background color of the paper is yellow the proof would appear more yellow If the Simulate paper color of job check box is not checked the gt 1cc colorimetric option becomes relative and the background color of the paper would not appear on the proof If the selected ICC intent is perceptual saturation or one of the Harlequin derived intents the RIP attempts to simulate the background Note It is possible for a conflict to arise for the Harlequin derived rendering intents because the Simulate paper color of job option only sorts things out for ICC rendering intents INDEX CONTENTS 4 5 COLOR PRO USER S GUIDE INDEX CONTENTS 4 6 1 6 6 Rendering intent selection for emulation In the ColorPro dialog there
57. n emulation profile you can click the Info button to display the characteristics of the profile Verify that you have chosen the appropriate profile Note that only CMYK profiles are available in this menu because RGB and Gray emulation profiles cannot currently be handled Table 3 7 Output Emulation INDEX CONTENTS 4 36 gt The following table describes the Output Rendering Intents options of the New Color Setup dialog box COLOR PRO USERS GUIDE INDEX CONTENTS 4 37 Fields Description Main intent You should select a rendering intent from the menu This is the rendering intent which is used for all objects unless you have specifically chosen a rendering intent for CMYK or RGB images described below The list depends on the choice of emulation profile but does not include it The ICC rendering intents are those appropriate to the out put profile selected or if you have selected an emulation profile they are appropriate to the emulation profile selected The list includes None the default intents and any cus tom intents you created as described in Define color rendering intents on page 25 and usually gt ICC perceptual gt ICC saturation gt ICC colorimetric You can select the button to the right of the option to dis play the Color Rendering Intent Manager from which you can create new rendering intents see Define color rendering intents on pa
58. ne Actual Pre None Cassette amp Page Cassette Page layout Imposition None C Advanced Media Saving EA HB fl Horizontal 100 00 Options New Page Setup Output Device 5 Resolution Configure device Horizontal 1000 Y Override resolution in job Processing Exposure Enable Feature Effects E Negative pe E Mirrorprint F Control strip Rotate E Trim page Scaling Vertical 100 00 Goes eso ies a A Figure 3 9 New Page Setup dialog box COLOR PRO USER S GUIDE CONTENTS 4 41 If the button is enabled click Configure device to specify settings for the output device you selected Under Separations Screening amp Color select a separations style for this device from the Style menu The choice of separations style determines the color space and format of the output Click the Separations Manager button to create or edit a separations style See Configuring Output Formats in the Harlequin RIP OEM Manual for further details Under Separations Screening amp Color select the color setup you created from the Color menu Alternatively you can select any other color setup that was created for the currently selected device and color space Click the Color Setup Manager button to create or edit a color setup Ea You should now make sure your new color setup is selected in
59. nly appears the first time the RIP is started Click OK to dismiss this dialog box You can still use the manual procedures as described below as a way of enabling or checking options 3 1 1 Enabling ColorPro for all devices If you have a password to enable ColorPro follow this procedure 1 Choose Harlequin RIP gt Configure RIP 2 Inthe Configure RIP dialog box click the Extras button 3 Select Harlequin ColorPro and click Add INDEX CONTENTS 4 7 gt COLOR PRO USER S GUIDE INDEX CONTENTS 4 i8 gt 4 Inthe Enable Feature dialog box type or copy and paste the password that allows you access to ColorPro Note Your existing HIPP password will enable ColorPro 5 Click OK The Configure RIP Extras dialog box appears with the ColorPro option enabled Configure RIP Extras l 2 J Feature Enabled a HCS Chained Screening HPS Precision Screening HXM Cross Modulated Screening HDLT Harlequin display list technology TrapPro TIFFAT Harlequin ColorPro PostScript PDF vor Try Before You Buy Trial code 2299229229 Evaluation is not enabled Figure 3 2 Configure RIP Extras dialog box 6 Click OK 7 Inthe Configure RIP dialog box click OK again You can now begin to setup the features available with ColorPro If you have access to device profiles and various output devices you can start using ColorPro 3 1 2 Enabling ColorPro for a single device If you have a
60. ns Color Space CMYK Linear Calibration From Linear 4 Resample On Install Install Cancel Figure 2 4 Install an input profile The dialog below shows the GRACo1_SID_GCR2 profile selected for use with the Epson printer New Color Setup ColorPro Input Profiles Output Profile CMYK data GRAColSID_GCR2 RIA au RGB data None y a Y Color manage gray as CMYK None y Info Gray data None y Output Rendering Intents Treat spot colors as CMYK in intent 8 gt Y Use Pantone PLUS Main intent f gt Defaut Y gt Input Document Controls CMYK images None Override color management in job 5 y A i RGB images None X Simulate paper color of job Preserve 100 process black F Use black point compensation Override overprint mode in job Y Overprint process colors Output Controls for RGB Drop white objects Black generation None gt Overpant grays Override black generation in job Overprint gray images 00 z Tg E Overprint 100 black es ee E _ Image only black Convert RGB black to true black Use late color management Output Controls Input Separation Detection Anales in Job Lighting Graphic Arts D50 x _ Detect input separations by screen angle Color adju
61. nt page setup uses a Color Setup but the Override color management in job check box is not selected in the Color Setup dialog box the Harlequin RIP checks for color management information in the image and the job It uses the color management information in the following strict order e If the image contains a PostScript color space array Photoshop EPS files only The Harlequin RIP uses the color space array CSA to transform the image It treats the image as a device independent color image e Otherwise if the image contains an embedded ICC profile The Harlequin RIP uses the ICC profile to transform the image It treats the image as a device independent color image e Otherwise if the UsecIEColor parameter set to true in the job The Harlequin RIP uses the DefaultGray DefaultRGB Or DefaultCMYK color space resources to transform the image colors It treats the image as a device independent color image INDEX CONTENTS 4 46 gt e Otherwise if there is no color management information in the job INDEX DOCUMENT TEMPLATE CONTENTS 4 47 The Harlequin RIP uses the settings in the color setup It treats the job as CMYK or RGB C 3 Summary of options Override Image contains color a color space management array in job Selected Not selected No Image contains an embedded ICC profile No Job contains UseCIEColor set to True Result Treat job as CMYK or RGB
62. ntegration of Processes in Prepress Press and Postpress CIP4 Job Definition For mat JDF and the CIP4 logo are trademarks of CIP4 Adobe Adobe Photoshop Adobe Type Manager Acrobat Display PostScript Adobe Illustrator PostScript Dis tiller and PostScript 3 are either registered trademarks or trademarks of Adobe Systems Incorporated in the United States and or other countries which may be registered in certain jurisdictions Global Graphics Software Ltd is a licensee of Pantone Inc PANTONE Colors generated by ScriptWorks are four color process simulations and may not match PANTONE identified solid color standards Consult current PANTONE Color Publications for accurate color PANTONE Hexachrome and PANTONE CALIBRATED are trademarks of Pantone Inc Pantone Inc 1991 Other brand or product names are the registered trademarks or trademarks of their respective holders INDEX CONTENTS 4 ii ols curo US Government Use Harlequin RIP software is a computer software program developed at private expense and is subject to the following Restricted Rights Legend Use duplication or disclosure by the United States Government is subject to restrictions as set forth in i FAR 52 227 14 Alt III or ii FAR 52 227 19 as applicable Use by agencies of the Department of Defense DOD is subject to Global Graphics Software s customary commercial license as contained in the accompanying license agreement in accordance
63. ntent Saturation both directions Color Space em Color Space CMYK y Linear Calibration From Linear gt C Resample On Install Cora Figure 2 8 Install emulation profile The new ColorPro emulation feature allows you to accurately proof RGB images By selecting Perceptual Rendering for the first transform from RGB to SWOP you are assured that the image is rendered to the full gamut of the press while the second transform from SWOP to the device profile provides the color accurate proof Currently the second color transform is Absolute Colorimetric INDEX CONTENTS 4 II gt COLOR PRO USERS GUIDE INDEX CONTENTS 4 12 gt The dialog below shows the ColorPro dialog configured for RGB proofing Note the ProPhot oRGB input profile the uswebcoat easwop emulation profile the Epson10K Gloss 720 device profile and the selection of gt 1CC perceptual for the rendering intent New Color Setup ColorPro 5 Input Profiles Dutput Profile CMYK data None Gil z hino Use iNene z Output Emulation Y Color manage gray as CMYK USWebCoatedSWOP Y into Gray data None Y Output Rendering Intents _ Treat spot colors as CMYK Main i 7 Use Pantone PLUS anos ICC perceptual E Input Document Controls E CMYK images None v Override color management in job y E RGB images None
64. o 56 G1 Issues ine color printing cis q a Ad e de a 56 G 2 Color management 6 6 nee eens 56 63 Color gamits esep ai ws Vg wk PEs y ROE Dad WA Edd BAe CESS va eA 57 G 4 Device independent and device dependent color n nassu sarren nrnna nnn 58 G5 Mapping between gamuts 0 66 eee een aes 59 INDEX CONTENTS 4 v Chapter Introduction ee TM 1 1 What is Harlequin ColorPro Welcome to ColorPro a full feature color solution for the Harlequin RIP ColorPro together with SetGoldPro profile making software is Global Graphics color science solu tion for ensuring color quality and accuracy for proofing and emulation ColorPro provides the larg est realizable color gamuts for the final print market and allows greater accuracy than would be possible using standard profiles Harlequin ColorPro embraces open systems industry standards and device independent color sci ence and is able to make full use of them If you have ICC profiles with which you already achieve good results you can use these profiles with ColorPro You should however be aware that ColorPro contains color science that is optimized for the Harlequin RIP and is easily utilized with the introduc tion of SetGoldPro Note The ICC profile format is specified by the International Color Consortium http www color org established in 1993 has the charter for creating and promoting the stan dardization of open vendor neu
65. on on SetGoldPro see the documentation accompanying that product In this model the color accuracy is determined by the color science in the Harlequin RIP because the CRDs are generated on the fly as needed within the RIP and then saved for future use A unique feature of ColorPro is that it allows you to use some ICC profiles and some Harlequin profiles if that is your preferred solution One possible scenario is that you could use SetGoldPro to make an optimized output profile for a given device ink and paper combination but use a press profile in an ICC format supplied by your INDEX CONTENTS 4 12 gt COLOR PRO USERS GUIDE INDEX CONTENTS 4 13 gt print shop In this ColorPro setup you use the ICC profile supplied by your print shop in the emula tion slot and the Harlequin profile for the output r New Color Setup ColorPro Input Profiles Dutput Profile CMYK data None y Epson5k_Glossy y Into RGB data None y a 4 Color manage gray as CMYK f SWOP CGATS TR001 y info Gray data None X Output Rendering Intents Treat spot colors as CMYK py 7 Use Pantone PLUS ain intent Default Perceptual Input Document Controls CMYK images None v Override color management in job RGB images None p v Simulate paper color of job Y Preserve 100 process black Use black point compens
66. ood output on a particular press this method would reliably produce color output This method however has its limitations A very important limitation is that it does not provide an easy way to ensure consistent color reproduction across different printing environments In the tradi tional setup the printing job is not portable to another device or another printing environment In addition since prints are manually defined and manipulated with density readings formal training and education is required for proper handling of print jobs The biggest advantage in many of today s color management solution systems is their ability to trans form color into device independent color and thereby make the job available for print on any device For instance a file that has been proofed on a inkjet printer can be separated accurately output on a film imagesetter and passed to a color printing press for printing with good agreement between the initial proof and the final production print run INDEX CONTENTS 4 56 gt COLOR PRO USER S GUIDE INDEX CONTENTS 4 57 gt G 3 Color gamuts The color gamut is the entire range of colors possible in a color system such as a photograph a color monitor or a printing process The larger the color gamut the larger the number of distinct colors shades the eye perceives The human eye is capable of perceiving billions of different colors In con trast a color monitor has an upper limit of sixte
67. or 0 0 72 72 rectfill 0 0 0 0 setcmykcolor 0 0 60 60 rectfill 2 2 6 showpage S EOF The table below shows the results when both setoverprint and setoverprintmode are set true Override Overprint p P Drop white overprintmode process i Result pee objects in job colors yes yes yes Box yes yes no Border yes no no Border no yes yes Box no yes no Border no no yes Box no no no Border Table D 4 setoverprint true and setoverprintmode true The table below shows the results when setoverprint is true and setoverprintmode set to false Override Overprint r Drop white overprintmode process Result ra objects in job colors yes yes yes Box yes yes no Border yes no no Border no yes yes Border no yes no Border no no yes Border no no no Border Table D 5 setoverprint true and setoverprintmode false When both setoverprint and setoverprintmode are set false all results are Border INDEX CONTENTS 4 51 gt Appendix E Supplied Global Graphics supplies the following profiles with the Harlequin RIP The systems represented have a significant variation in color characteristics so you should consider these profiles as being rep resentative of the systems rather than being an exact match to any single system These profiles are listed alphabetically in separate sections for e CMYK input profiles See CMYK Input Profiles
68. orrect Problems arise when the job is printed to a device with different characteristics to the color space the designer worked in A typical usage is the need to color manage the job when printing to a proofing device In this case to reproduce the blending the designer intended the blending should be per formed in SWOP and result then color managed to the proofing device Historically this has been dif ficult to do accurately without using a form of double pass RIP processing That is the job is RIP processed once to for example TIFF in which the blending is in SWOP The second RIP pass then color converts the TIFF and outputs the result to the proofing device When the Use late color management option is off the Harlequin RIP will perform color management of colors in the job before blending of either transparency or overprints The RIP performs blending by using the available information to make a best guess at the blended colors but at a late stage in the RIP process and without full knowledge of the color values and other graphics state attributes This method usually makes the blended regions visible although they are not correctly color man aged And if spot colorants are converted to process colors overprinting of these objects is disabled by default When the Use late color management option is selected color managed blending is performed in a sin gle pass of RIP processing with its obvious efficiency benefits The
69. out of CMY back grounds Overprint 100 black When this option is selected the RIP overprints 100 black rather then generating knockouts in the other separations The black channel or separation is generated as normal but depending upon the characteristics of the other inks may need to be applied last in the combination process so that it overprints all colors necessary If this option is selected overprinting occurs regardless of whether overprinting is switched on for that graphics object How the overprinting of the other separations is done depends on the Image only black option There is no performance penalty incurred by using this fea ture in fact it may be slightly faster to overprint given that knockouts do not have to be calculated This feature only applies to black objects not to individual pixels of a continuous tone image that happen to be 100 black Table 3 4 Input Document Controls Continued INDEX CONTENTS 4 33 COLOR PRO USERS GUIDE INDEX CONTENTS 4 34 gt Fields Description Image only black This option controls whether solid black objects appear in the process color separations other than Black when the Overprint 100 black option is selected If this box is selected the RIP ignores the other process color compo nents of black objects and no trace of the objects appears in those separations If this box is not selected the other pro cess color compon
70. password that enables HIPP for a particular device you can use that password and ColorPro is enabled for only that device This enabling may have been done for you by your supplier you can check by using this procedure 1 Choose Harlequin RIP gt Configure RIP 2 Inthe Configure RIP dialog box click the Extras button 3 Inthe Configure RIP Extras dialog box look at the end of the Feature list INDEX CONTENTS 4 18 gt COLOR PRO USER S GUIDE INDEX CONTENTS 4 19 gt There should be an entry starting with ucps and of the general form HCPS devicename xxxxX Where this entry shows devicename you should see the name of the device you want to use Where this entry shows xxxx you may see HIPP a different code or you may see nothing so that the entry ends in There are various possibilities as listed here e If there is an entry for the correct device and it ends in HIPP your device is already enabled for this color option Click OK twice to close the Configure RIP dialog boxes e If there is an entry for the correct device but it ends in instead of HIPP you must enable HIPP for this device Continue this procedure at step 4 e If there is an entry for the correct device but it ends in a code that is not HIPP you must enable HIPP for this device Continue this procedure at step 4 e If there is no entry for the device you must configure the device using the Device Manager dialog box Click OK
71. print 100 black Image only black Use late color management Input Separation Detection Angles in Job Detect input separations by screen angle Cyan Magenta ellow Black 7 Use Pantone PLUS Mainintent None Input Document Controls F CMYK images None X Override color management in job ns e _ l RGB images None Use black point compensation Output Controls for RGB Black generation None Override black generation in job Maxink 300 Maxblack 100 Convert RGB black to true black Output Controls Lighting Graphic Arts D50 Color adjustments Faster Figure 2 3 CMYK press proofing This example shows the selection of a Fogra input profile for use with the Epson printer and again using the gt Default rendering intent INDEX CONTENTS 4 9 COLOR PRO USERS GUIDE INDEX CONTENTS 4 i0 gt The dialog below shows the Gracol_sID_GcR2 profile being installed as an input profile r Install ICC Profile _ 38 Name GRAColLSID_GCR2 Use For ICC Profile Information v Input Profile C Named Colors iS co Device Link Profile E Emulation Copyright by Logo GmbH Steinfurt F Device Profile MDT data included Intent Perceptual both directions For Des pecan E Intent Relative Colormetric both directions Intent Saturation both directio
72. pt the job for a particular printer The original CMYK data is adjusted according to the known characteristics of the output device and then printed This scheme works quite well where a job is always printed on the same printer and setup but if printed on a different printer with a different setup the job will almost cer tainly look different A CMYK job will only use the colors in the gamut of a typical CMYK printer If the final medium has a bigger color range colors are needlessly restricted A device independent color scheme is specified in a general way independent of the final output device The work of the International Committee of Illumination CIE over the past 50 years has established a number of standards for doing this One important issue when using the device inde pendent scheme is that a job may specify colors that are not within the gamut of the printer Mapping unprintable colors to printable colors becomes an important science when using device independent color schemes Device profiles software that translates color data for one device between its native color space and a standard color space the ICC profile connection space assist in this mapping A device profile is a table or mathematical expression that characterizes the color behavior of a color imaging device Pro files can be used for scanners or input devices for monitors and for printers and other output devices The ICC International Color Consorti
73. quin profile The black generation is defined in the rendering intent If you are using ColorPro you can influ ence this by choosing values for Black generation and Maximum ink in the Color Rendering Intent Details dialog box See page 27 for details When the ColorPro option is enabled that option processes all device independent color inputs The information in the job is overridden by ColorPro if you select the Override color management in job check box in the Color Setup dialog box If you leave this box unselected Appendix C Jobs Containing Color Management Data describes the rules used to decide how the data in the job takes effect INDEX CONTENTS 4 43 gt COLOR PRO USER S GUIDE INDEX CONTENTS 4 44 gt Some common sources of device independent RGB are calibrated color from applications such as Adobe PhotoShop and PDF jobs INDEX CONTENTS 4 44 gt ColorPro cannot guess when a graphic is a logo it must be explicitly told To identify a logo use the setcolorrenderingintent operator a Harlequin extension to the Post Script language For example if an EPS file is to be treated as a logo the line Logo setcolorrenderingintent should appear at the start of the file The only way to insert this line is to edit the file by hand INDEX CONTENTS 4 45 gt Appendix C Jobs Con Management Data Settings within the Harlequin RIP in the PostScript language or PDF job and in the images
74. r s ideas and the customer s specifications These specifications must be communicated to many people who will render and reproduce these colors on different devices At each stage of production output from one process becomes input for the next process Each of these processes involves color in a different color space from photographic film to monitor RGB to CMYK printing on different output devices At each step judgement on color is made by different viewers under different viewing conditions With the proliferation of affordable and quality input output devices and software packages users are no longer buying solutions from a single vendor Rather they purchase different system compo nents from different vendors and combine the elements to create an integrated process This creates an increasing need for effective color management G 2 Color management The task of color management is to ensure that color jobs from many different sources and printed on many different devices appear consistent Color management allows a printer to manipulate any type of color image using any type of device to reliably render the output on any type of media in a seam less manner In a traditional setup a printer who was asked to reproduce a colored picture would scan the picture and use the resulting data to make films and plates for use on a particular press Since the press was run in a controlled consistent way and the scanner was set up to produce g
75. rant names must match That is at least one of the alter native colorant names for each device colorant must match one of the colorant names in the profile INDEX CONTENTS 4 20 gt COLOR PRO USER S GUIDE INDEX CONTENTS TS 3 3 1 1 Calibration and output profiles It is possible to construct color profiles starting from the different states of the output device being profiled Two of the most common starting states are e The uncalibrated or raw state of the device e The device after adjustment of the individual channels for linearity and usually with some bal ancing of the channels to produce a gray balanced or neutral state this is known as the refer ence or golden state In fact there are as many reference states as there are combinations of device resolution media and ink Note to OEM In the production of device color characterization profiles we have found that it is good practice to make profiles relative to the reference state We supply Harlequin RIP plugins with profiles for several combi nations of resolution media and ink When you install an ICC profile as a device profile it is important to know what calibration profile was used to print the color characterization target used in the output profile making process On import to the RIP of the ICC profile this calibration SetGold profile profile must be the same as described above and selected in the Linear Calibration From option pull down
76. rendering intents but this is not essential at first use of Harlequin ColorPro because you can get good results using the default rendering intents or ProofReady plugins ColorPro is supplied with default rendering intents that you can use immediately Each default ren dering intent has a name that closely matches the style on which it is based and the styles correspond to but are independent of the names of intents supplied in ICC profiles For example the Default Perceptual rendering intent uses the Perceptual style If you want to use only default rendering intents or rendering intents derived from ICC profiles see Install ICC profiles on page 19 or Define color setups using ColorPro on page 28 You can return to the remainder of this section if you want to go ahead and create a custom rendering intent Note The gt Defau1t rendering intent cannot be edited using the Rendering Intent Manager This is because it is already a CRD created with specific settings 3 4 1 Custom rendering intents You define a custom color rendering intent by specifying combinations of settings to be used with a style Some settings allow you to achieve the intention of the style in a way that best suits the technology of a particular output device without having a significant visual effect For example you can alter the black generation strategy Other settings allow you to modify the visual appearance of the result but move away from being str
77. rendering intents you can skip this section Configure your ColorPro setup See Define color setups using ColorPro on page 28 The Color Pro setup dialog is divided into several areas The left side of the dialog handles the input and the right side handles the output For help in deciding how to configure you workflow see Chapter 2 ColorPro workflows for more information 3 3 Install ICC profiles Before you create color setups you may install any ICC profiles that you expect to use Identify the types of profiles you need and then install them INDEX CONTENTS 4 19 gt COLOR PRO USERS GUIDE INDEX CONTENTS 4 20 gt 3 3 1 Types of profiles ICC profiles vary in how much information they contain From a suitable ICC profile you can install an input profile a device or output profile an emulation profile or all three The profile installation dialog box shows you the options and you must explicitly choose how you want to install an ICC pro file as an input profile output profile and so on in order to use the profile to define a color setup For example if you want to use the same ICC profile as an emulating profile in one color setup and as a device profile in another color setup you must install the ICC profile as both an emulating profile and a device profile by selecting both check boxes You can at any time make additions to how you want to use an ICC profile If you want to use an ICC profile th
78. rint grays Override black generation in job Y Overprint gray images o 1 100 1 Overprint 100 black Maxink 300 6 Max black 00 _ Image only black Convert RGB black to true black _ Use late color management Dutput Controls Input Separation Detection Angles in Job Lighting Graphic Arts D50 Detect input separations by screen angle Color adustments BASS m Cyan Magenta Yellow Black Cara Figure 2 12 Multiple color space proofing 2 INDEX CONTENTS 4 14 gt COLOR PRO USERS GUIDE INDEX CONTENTS 4 15 gt 2 1 7 Emulation workflow details When an ICC profile is installed as an emulation profile the RIP also installs it as an input profile because the RIP needs to use it later in the color chain The chain is Input Profile Emulation Emulation Output that job was m device gt inputpr file e Prone designed for profile for proofer Figure 2 13 Full color chain You only select the emulation profile once in the ColorPro setup but it is used twice The CRDs are used first and then the color space is used to effectively start the second stage of the color chain It could be that the profile that the job was designed for is the same as the device profile that you want to emulate That is the job will ultimately be printed on the press that it was designed for However you may wan
79. rms as an embedded ICC profile a color space array CSA or as specified by UseCIEColor See Appendix C Jobs Containing Color Management Data for details 1 2 Getting started with ColorPro This section provides a map of this document so you can quickly get your system installed config ured and working This document provides the following information INDEX CONTENTS 4 1 COLOR PRO USER S GUIDE INDEX CONTENTS 4 2 e Chapter 1 Introduction this chapter provides you with information about what ColorPro is and how it is different to previous Harlequin RIP color software In addition it provides infor mation on ProofReady plugins the available rendering intents and emulation e Chapter 2 ColorPro workflows provides several examples of workflows and how you should configure them in ColorPro You may find a workflow example in this chapter that you can use as a starting point for configuring your own workflow e Chapter 3 Using Harlequin ColorPro shows you how to activate ColorPro and provides full details on all the options available including Installing ICC profiles configuring a color setup and how to use that setup with your page setup e The various appendices provide extra related information 1 3 Harlequin ColorPro features Harlequin ColorPro is a complete and accurate color reproduction solution It is a device indepen dent cross platform color management system developed to cont
80. rol color in today s digital printing and publishing environments ColorPro manages all aspects of color print reproduction and is fully compatible with accepted industry standards ColorPro offers a technology independent solution Unlike most systems which force you to compen sate for color before you know how a job will be printed ColorPro works without regard to the input and output devices used In other words you do not need to specify which devices will be used at the time the PostScript job is created At run time ColorPro applies the proper transformations ColorPro allows you to specify different gamut mapping algorithms in the reproduction of a page For example you can simultaneously specify Absolute colorimetric to reproduce some elements of the page and yet specify Perceptual to reproduce the photographs The end result is that on a single page the color for photographs is calculated without affecting other elements on the page Harlequin ColorPro allows processing of colors in page data using SetGoldPro profiles or ICC profiles produced by OEMs third parties or end users using third party characterization and profiling tools Profiles specify a translation between two color spaces Each profile is prepared for a specific set of imaging conditions One device may have more than one profile The profiles may correspond to run ning the device with different combinations of resolutions inks and paper New profiles can be easil
81. s the Output Controls options in the New Color Setup dialog box Fields Description Lightin ColorPro provides compensation control over the local gnting viewing conditions which include Graphic Arts D50 Monitor D65 Daylight Home and Office Much graphic arts work uses D50 illumination throughout the process to minimize transforms when converting data through the color chain Thus targets are measured with D50 colors are transformed from input to output through the ICC profile connection space PCS in D50 and the proofs are viewed under D50 illumination However some systems have alternative methods which include D65 view ing boxes and sometimes no lighting system for viewing prints at all The lighting options are provided to help someone who knows that the proofs are going to be viewed in a non tra ditional p50 lighting situation and has some idea how they are going to be viewed Table 3 10 Output Controls INDEX CONTENTS 4 39 gt COLOR PRO USER S GUIDE INDEX CONTENTS 4 40 gt Fields Description Color adjustments From v8 0r0 the Faster and Accurate image color adjust ment methods have been replaced to use a different algo rithm that is much more predictable than the previous versions The Faster algorithm no longer uses the error scattering method which avoids problems with the com pressibility of the final output The Faster algorithm will improve performance of 3 componen
82. selected the white object knocks out underlying objects even when overprinting is switched on By default this option is not selected For more information see Appendix D Overprinting options Table 3 4 Input Document Controls Continued INDEX CONTENTS 4 32 gt COLOR PRO USERS GUIDE INDEX CONTENTS 4 33 Fields Description Overprint grays Select this option to enable the cyan magenta and yellow colorants to be overprinted rather than knocked out when a color is specified as gray with the PostScript language set gray Operator or spot color converted to a gray level and the job requests overprinting This behavior is not defined by the PostScript language and though it is unusual for a job to rely on it sometimes a job assumes this especially when the gray tint arises from a named black spot color which is converted to process For more information see Appendix D Overprinting options Overprint gray images Overprint behavior changed from Harlequin RIP version 4 1 to 5 x and beyond While the old behavior is deemed incorrect there is a desire to selectively use the old behav ior because of the un predictability of some graphic appli cations and to provide for end users the ability to handle legacy work The user parameter is called OverprintGrayImages with a default of true which when set overprints gray images If it is set to false gray images will knock
83. side of this dialog handle the input and the options on the right side handle the output The following tables describe the options available in this dialog Choose the options for the color setup you are defining We recommend that you select the Output Profile first it can affect choices in other fields Unless you have a device link profile selected as an input profile you must specify options in the Output Profile and the Rendering Intents menus before saving this color setup Note The options shown in this dialog box always take effect for jobs that do not contain color management information If the job contains color management you must select the Override color management in job check box if you want to use the RIP color management options INDEX CONTENTS 4 29 gt COLOR PRO USERS GUIDE INDEX CONTENTS 4 30 The following table describes the Input Profiles section of the New Color Setup dialog box Fields Description CMYK Data From the menu select an input or device link profile for all CMYK data including scanned images line art text and graphics The list includes None all Harlequin produced profiles such as DuPont Cromalin and 3M Matchprint and any installed ICC profiles Device link profiles display a double sided arrow lt gt next to the device link name Appendix E 1 CMYK Input Profiles describes all sup plied CMYK input profiles If you select None CMYK colors are trea
84. space proofing on page 13 P pace p 8 P pace p 8 pag e Fora discussion on emulation workflows see Emulation workflow details on page 15 2 1 1 CMYK ProofReady proofing Traditional workflows typically use digital files from page layout applications such as QuarkXPress or InDesign which are rasterized and color managed before being sent to an output device Gener ally all the color page elements are prepared converted to CMYK for a known printing press using a defined ink and paper combination For digital proofing the Harlequin RIP provides many device plugins and more recently ProofReady plugins which are used with inkjet printers If you are new to the Harlequin RIP and digital proofing the quickest way to get started is to make use of a ProofReady plug and print pre configured plugin Because ProofReady plugins come pre configured for use with your printer and provide a range of paper types you can quickly and easily produce color accu rate proofs INDEX CONTENTS 4 7 COLOR PRO USERS GUIDE INDEX CONTENTS 4 8 Shown below is an example of a ProofReady plugin selected in the Harlequin RIP Page Setup dialog New Page Setup Dutput Device 3 Resolution Device SP3800 VSD Sheet X 15 Units Configure device 720 0 x 720 0 dpi y ProofReady Premium Photo Glossy 720 zi v Override resolution in job Separations Screening amp Color Processing S
85. stments Faster Cyan Magenta Yellow Black Save As Cancel Figure 2 5 Select input profile with a printer 2 1 4 RGB Proofing ICC model If a customer has several editorial pages from a magazine that need to be proofed to SWOP a maga zine industry standard a single transform will not produce a color accurate proof This is because when you send an RGB image to the RIP and select a proofing device the proof contains the images transformed only from the RGB color space to the color space of the proofing device The proof will appear very colorful and pleasing to look at due to the large color gamut of the inkjet device how ever in no way will this print be representative of what the images will look like on a printing press Therefore before proofing RGB images an understanding of profiles and rendering intents is required to achieve the desired results In the first instance the profiles must be installed correctly and then the rendering intents should be selected Considering an ICC workflow first Depending on where the RGB images are coming from INDEX CONTENTS 4 i0 gt COLOR PRO USERS GUIDE INDEX CONTENTS 4 i1 gt you may want to install an RGB profile in the RIP to control the color transforms for all RGB images The installation of the RGB input profile is shown below G Install ICC Profile Name ProPhotoRGB Use For ICC Profile Information 17 Inpu
86. supplied 53 printing 56 S saturation 27 COLOR PRO USER S GUIDE INDEX CONTENTS 4 63 gt description of 5 Screen angles expected in incoming job 35 seeing color 55 simulate paper color of jobs 31 sRGB profile 30 supplied 53 styles mapping 3 supplied profiles 52 input CMYK 52 input RGB 53 output CMYK 54 SWOP input profile 53 output profile 54 T Trinitron profile 30 supplied 53 U UCR 38 43 undercolor removal 38 43 uninstalling ICC profiles 24 Use late color management 34 W Workflow CMYK analog matching 8 CMYK press proofing 9 CMYK ProofReady proofing 7 Multiple color space proofing 13 RGB proofing ICC model 10 RGB proofing SetGoldPro and Harlequin Color Pro models 12 INDEX CONTENTS 4 63 gt
87. t Profile Nad Ears Bolder Reference Output Medium Device Link Profile E Emulation ProPhoto E Device Profile Copyright c Eastman Kodak 1990 TRC data included For Davise Preview vw Color Space AGB gt Linear Calibration From liner v C Resample On Install Figure 2 6 Install RGB input profile This dialog shows the installation of a device profile f f Install ICC Profile Name Epson5k_Glossy Use For ICC Profile Information E Input Profile CiNamedEdors Printer model lt unknown gt a s 5 a 3 ES C Device Link Profile E Emulation Copyright by Gretag AG Switzerland Y Device Profile MDT data included Intent Perceptual both directions Intent Relative Colormetric both directions For Device SP3800 VSD Sheet X pee Saturation both directions Color Space mk Linear Calibration From C Resample On Install Figure 2 7 Install a device profile This dialog shows the installation of the emulation profile f Install ICC Profile x Name USWebCoatedSWOP Use For ICC Profile Information E Input Profile Named Colors Printer model lt unknown gt a m PERE j 3 U S Web Coated SWOP v2 C Device Link Profile Z Emulation Copyright 2000 Adobe Systems Inc E Device Profile MDT data included Intent Perceptual both directions ae ee gt Intent Relative Colormetric both directions ForD g s d I
88. t images but will particularly improve CMYK images All three options use the same interpolation algo rithm the only difference is the number of grid points per colorant There is always a difference between the three methods with Accurate being the most accurate and slower while Faster is always faster and less accurate The Better Option sits somewhere between Accurate and Faster With regard to quality and speed However Faster may well be accurate enough for most purposes The only method of finding out which is most suitable for a particular purpose is to experiment Table 3 10 Output Controls 6 After setting options in the New Color Setup dialog box click Save As and assign a name to this color setup The Color Setup Manager dialog box displays the new color setup that you have cre ated Note that you can also edit copy and delete color setups from the Color Setup Manager 7 Click OK to confirm all the changes you have made in the Color Setup Manager and New Color Setup dialog boxes The OK button saves the changes you have made and closes the Color Setup Manager If you opened the Color Setup Manager from the Edit Page Setup dialog box you can also save the changes by clicking the Select button In addition to saving the changes the Select button displays the selected color setup in the Edit Page Setup dialog box The changes made to the color setup are still saved even if you cancel the changes to the page setup
89. t selected the Pantone color is chosen using the XYZ Pantone lookup table within the RIP which in turn gives the proof a best match for the Pantone color but is not indicative of what the color will look like on press See Use late color management on page 34 for more information Table 3 3 Input Profiles INDEX CONTENTS 4 30 gt gt COLOR PRO USER S GUIDE INDEX CONTENTS 4 31 gt Fields Description Use Pantone PLUS Support for Pantone PLUS which is an extension to the pre existing Pantone color sets The Pantone PLUS option is checked by default Setups migrated from previous versions should uncheck this option to maintain previous behavior Table 3 3 Input Profiles The following table describes all the options available in the Input Document Controls section of the New Color Setup dialog box Fields Description Override color Select this check box to override any color management management in job supplied in the job and use the options set in this dialog box If you do not select this check box the Harlequin RIP searches the job for a color space array embedded ICC pro file or a color space resource If there is such an element the Harlequin RIP uses it to transform the relevant object on the page and then treats the object as defined in device independent color See Appendix C Jobs Containing Color Management Data for details Note A PDF X 3 fil
90. t to proof it on another device first In this case it is reasonable to select the same input profile as the emulation profile for example for the CMYK input This would still give a better route for RGB than just using an RGB input profile and the output profile of the proofer because that does not take any account of the press it is ultimately going to be printed on In the case of the CMYK data this would give a very similar result to just going from the input profile the job was designed for to the proofer profile The point is selecting the same input profile as emulation profile is mainly useful for RGB or mixed RGB CMYK inputs For pure CMYK inputs you may not gain any improvement over using the color Chain Input Profile Output that job was m Prote designed for for proofer Figure 2 14 CMYK color chain In a case where the emulation profile is not the same as the profile the job was designed for you should expect the full 4 stage color chain to give some benefits in that it takes account of all three profiles involved namely the one the job was designed for the one it is ultimately intended to be printed on and the proofer profile The amount of improvement over using the color chain shown in Figure 2 14 depends on the exact profiles involved INDEX CONTENTS 4 15 gt Chapter 3 Using Harle Harlequin ColorPro offers fully customizable color management capabilities based on the device
91. ted as device dependent color and subject to the PostScript Level 1 rules for conversions RGB Data From the menu select an input or device link profile for all RGB data including scanned images line art text and graphics The list includes None for device dependent color all Harlequin produced profiles including Trinitron Office Graphics RGB and sRGB and any installed ICC profiles Appendix E 2 RGB Input Profiles describes all supplied RGB input profiles Color manage gray as CMYK By selecting this option monochrome gray data uses the input profile selected in the CMYK data field and is color managed as CMYK When this option is selected the Gray data menu becomes unavailable If this option is unchecked the selection in the Gray data field is used Gray data From the menu select either None or any gray profile you have installed Incoming gray data uses the selected profile unless you choose None in which case gray data does not have any color management Gray ICC profiles can be created from Photoshop v6 5 exported and then installed into the RIP Treat spot colors as CMYK When an input profile has been selected in the CMYK data field this option becomes available Checking this option makes any spot color in the job use the input profile speci fied in the CMYK data field When this checkbox is disabled spot colors will always be treated as CMYK If this option is no
92. the image This option determines how much black ink should be used to reproduce colors Select Ignore Minimum Light Medium Heavy Maximum or UCR from the menu Undercolor removal UCR is the process of reducing the amount of other colors present where the black is added Override black generation in job Rarely a job specifies black generation itself You can force the scheme set in the Color Setup dialog box to override those set by the job by selecting this check box Table 3 9 Output Controls for RGB INDEX CONTENTS 4 38 COLOR PRO USER S GUIDE INDEX CONTENTS 4 39 gt Fields Description Max ink This value constrains the maximum amount of all four CMYK colors that are generated in the conversion process Similarly colors specified explicitly as black are not affected by this Max black This value is the maximum amount of black ink that is generated by the color conversion process Note that colors specified explicitly as black are not affected by this setting Convert RGB to true Some applications and especially Microsoft Word use black RGB colors for everything including solid black coded aso 0 0 setrgbcolor or 0 0 0 ina DevicerGB color space You should choose this option to force the RIP to intercept blacks coded in this way and convert them to 0 0 0 1 ina CMYK color space Table 3 9 Output Controls for RGB The following table describe
93. tions available include Graphic Arts D50 Monitor D65 Daylight and Home and Office See Table 3 10 for more information e Calibrated and configurable reproduction of named PANTONE colors from the PANTONE MATCHING SYSTEM e Manual override capability INDEX CONTENTS 4 16 gt COLOR PRO USERS GUIDE INDEX CONTENTS 4 7 gt Define Color Rendering Intents Default style Black generation P Maximum ink de ee we Manual control opuonal Step Select ColorPro Profiles Existing Supplied y Create Color Create Page Print Setup Setup Job CMYK Input lp RGB Input p Color Setup p Page Setup Gray Input Install ICC Device Output Profiles Rendering Intents Input Emulation Device Output Lighting Emulation Device Link Figure 3 1 Overview of Harlequin ColorPro 3 1 Get ready to use Harlequin ColorPro Before creating color setups using ColorPro you must set up access to the application e You must have a password that enables Harlequin ColorPro See below The Harlequin RIP can read the password from a file if the installation process for a plugin or other option supplied one If the Harlequin RIP reads a password file which it does when next starting up it displays a dialog box with a message like this Imported password file Passwords 1234 56 7654321 pwd This message o
94. tral cross platform color management systems One of the unique features of ColorPro is that you can mix and match SetGoldPro profiles and ICC compliant profiles within ColorPro setups if that is what produces the best results for you ColorPro solves real world color reproduction problems for the graphic arts market and is available as a password protected option in the Harlequin RIP Harlequin ColorPro is a direct replacement for the previous Harlequin RIP color management sys tems including HIPP HCMS and HFCS Your existing HIPP password will activate Harlequin Color Pro It is possible to obtain some of the benefits of color management by using a ProofReady output plugin with the Harlequin RIP ProofReady plugins are ready for use but you can expand their capabilities by using a ColorPro option See ProofReady plugins on page 6 for details Global Graphics Software GGS supplies a range of device profiles for commonly used color standards These profiles are available for immediate use and incorporate linearization data for out put devices Some graphics applications include color management information in images or jobs that they pro duce Adobe Photoshop is one such application When processing jobs from these applications you can choose to use either the color management information contained in the jobs or the more detailed controls provided by a ColorPro option Jobs can contain color management information in several fo
95. tup dialog for easy configuration The options below have been moved to the Color Setup dialog Honor Color Management PDF and PS These options were previously in the Page Setup gt PDF Options dialog and Page Setup Options gt Extras dialog The option is now called Override color management in job Fill background with paper color of job This option was on the Color Setup dialog and is now labeled Simulate paper color of job Color Options dialog These options have been moved to the Color Setup dialog With the color management solution previously offered with the Harlequin RIP you were not able to do any emulation if you only had HIPP Harlequin ICC Profile Processor rather than HFCS Harle quin Full Color System This was because emulation used the CRD generator plugin which was part of HFCS With the Harlequin RIP Eclipse Release and later the CRD generator plugin is supplied as part of ColorPro and you have the choice as to whether you use it or not Note to OEM If you do not supply the CRD generator plugin you should remove all references to it With ColorPro you are able to create your own color rendering dictionaries CRDs and you are also able to emulate printing presses whose profiles do not have external CRDs but only if you use the CRD generator plugin If you choose to emulate a printing press whose profile does have external CRDs you are offered a choice of ICC rendering intents for example Icc perceptual
96. twice to close the Configure RIP dialog boxes and see the installation guide for your chosen device For general information see the Configuring Output Formats chapter in the Harlequin RIP OEM Manual Once you have configured the output device restart this procedure from the beginning Select the entry for the device you want to use and click Add In the Enable Feature dialog box delete any existing number and type the password that allows you access to HIPP for this device Click OK The Configure RIP Extras dialog box reappears Click OK In the Configure RIP dialog box click OK again Optionally to check that you have enabled the option successfully use the Harlequin RIP gt Configure RIP menu option and click Extras to display the list of features again The entry for your device should now read HCPS devicename HIPP Click OK twice to close the Configure RIP Extras and Configure RIP dialog boxes 3 2 ColorPro overview ColorPro is designed so that you can quickly create a color setup that suits your needs There are sev eral steps to creating a setup some you may or may not need The various stages are shown below Install any ICC profiles you may need See Install ICC profiles on page 19 If you do not have any ICC profiles to install this step can be skipped Define any color or custom rendering intents you wish to use See Define color rendering intents on page 25 If you intend to use the default
97. tyle Photolnk2213 Composite y al Optimization we E cine f yo q SN x N N AA A Figure 2 1 ProofReady plugin selected in RIP setup This Page setup dialog box shows a ProofReady plugin pre configured for use with an Epson Stylus Pro 3800 device using glossy photo paper and with a resolution of 720 dpi You must have ColorPro enabled to use the profiles but you do not need to do any further configuration You can if you wish perform some configuration tasks such as editing the ProofReady color and Separation configura tions When you are using ProofReady plugins only valid configurations can be created or selected 2 1 2 CMYK analog matching It is often required that your proofs are matched against an analog proofing system In this scenario you would need ColorPro activated to create a custom color setup Harlequin ColorPro is supplied with a representative group of input profiles pre configured and ready for use which are based on many of the traditional analog proofing systems Because of this extra functionality you must also make additional selections from within ColorPro to obtain the intended results An example is shown below r New Color Setup ColorPro EES Input Profiles Output Profile CMYK data None y Premium Photo Glossy 720 y aoas publicas None Z Output E mulation Color manage gray as CMYK None y into Gray dat
98. um has standardized templates for these profiles These profiles are supplied by the device manufacturer generated by the user or sold as part of a color management system By obtaining a compatible color management system and one device pro file for each piece of equipment you can make that equipment part of the system Note ICC compatible profiles that characterize the same device do not necessarily provide and guar antee the same quality INDEX CONTENTS 4 58 gt COLOR PRO USER S GUIDE INDEX CONTENTS 4 59 gt Device link profiles despite the similar name have a different and more limited function A device link profile translates color data for the native color space of one device to and from the native color space of one other device Each pair of devices requires a separate device link profile For three devices there are three pairs for four devices there are six pairs and the number of pairs rises rapidly Device link profiles can provide high quality translations but do not allow for intermediate color manage ment G 5 Mapping between gamuts When the input and output gamuts of a system differ only the colors within both gamuts can be reproduced exactly Figure G 3 shows the gamut of a monitor input and printer output in an area where there are other colors some possible only on the monitor and some possible only on the printer Some mapping is necessary to reproduce colors possible only on the monitor on t
99. up uses SetGoldPro generated profiles with the exception of the RGB profile which is an ICC profile in this example Note that there are individual input profiles and rendering intents for INDEX CONTENTS 4 13 gt COLOR PRO USERS GUIDE INDEX CONTENTS 4 14 gt both CMYK and RGB images Other CMYK objects will use the Main intent The output emulation could be one supplied by your print shop and the output profile is for the Epson inkjet r i New Color Setup ColorPro Input Profiles Output Profile CMYK data SWOP CGATS TROO1 X EpsonSk Glossy ee RGB data ProPhotoRGB y Aa Y Color manage gray as CMYK SWOP CGATS TRO001 x info Gray data None gt Output Rendering Intents Treat spot colors as CMYK Y Use Pantone PLUS Main intent Default Absolute Colorimetric x Input Document Controls Y CMYK images Default Relative Colorimetric 7 Override color management in job S Simulate t color of job ns Defaut Perceptual papel i 7 Preserve 100 process black T Use black point compensation Override overprint mode in job Overprint process colors Output Controls for RGB _ Drop white objects Black generation None x Overprint grays Override black generation in job Max ink 300 Max black 100 Y Overprint gray ima
100. using ProofReady plugins When you create your Color Setup remember to select the device for which you have a plugin from the Device menu in the Color Manager See Define color setups using ColorPro on page 28 for more information 2 1 3 CMYK press proofing In a CMYK workflow it is sometimes useful to make a press proof based on a standard such as SWOP or Fogra Again Harlequin ColorPro provides some standard profiles to make this possible However if you have access to an ICC profile that describes the actual behavior of the press on which the job is going to run typically provided by a print shop that profile should be installed into the RIP before creating a ColorPro setup In this way the color transforms are able to achieve the most color accurate proof for your job For more information on installing ICC profiles see Install ICC profiles on page 19 i New Color Setup ColorPro Input Profiles Output Profile CMYK data FOGRA22 OFCOM_PO_P5_F70 03 Premium Photo Glossy 720 J RGB data None A V Col CMYK olor manage gray as None i Gray data None o y Output Rendering Intents L Treat spot colors as CMYK Simulate paper color of job Preserve 100 process black S Override overprint mode in job Overprint process colors Drop white objects Overprint grays 7 Overprint gray images Over
101. with DFAR 227 7202 1 a For purposes of the FAR the Software shall be deemed to be unpublished and licensed with disclosure prohibitions rights reserved under the copyright laws of the United States Global Graphics Software Incorporated 31 Nagog Park Suite 315 Acton MA 01720 INDEX CONTENTS 4 iii gt Contents Chapter 1 Introduction ssesesossesoseeeoee oo NN 1 1 1 What is Harlequin ColorProt cc ee ene 1 1 2 Getting started with ColorPro ce com ee 1 13 Harlequin ColorPro features cocos rean oe ee ee 2 TA What snew in Harlequin GolorPro ra 2 15 Coloria d calibration tc 3 1 6 Color mapping styles used in ColorPro os seoor reast cicanie t a aa e co 3 LEN Mi ProofReady plucins nae wipes O E 6 Chapter 2 ColorPro workflows 0 c cece cece eee e cence eects eeeeeeeees 7 2 1 Inttod UctiONn ie oc pasts Heda a Bae eee 7 Chapter 3 Using Harlequin ColorPro 0 ccc ccc ccc cee cece eee e teen ee eeee 16 3 1 Get ready to use Harlequin ColorPro 0 eens 17 3 2 GColorPro OEI Wi e Sie dene a 19 33 Install ICC profiles secant ci eva o cito a e ae KALE SO Sees 19 3 4 Define color rendering intents ooooooocccnconocrcoonnnnnrrreannn rr 25 3 5 Define color setups using ColorPro 6 eens 28 3 6 Customize page setups using new color setupS 0 60 6 cece eee eee eee 40 3 7 Printusing new page Setup 6 6 cece eee teen ee eet an 42 Appendix A UCR and Black Generation
102. y added to ColorPro and previously installed profiles can be selected with out the need to reinstall each time a profile is used An option to install and uninstall ICC profiles is provided In addition ColorPro allows the use of profiles prepared in the Harlequin RIP format Global Graph ics supplies a number of profiles for commonly used systems See Appendix E Supplied Profiles for details 1 4 What s new in Harlequin ColorPro ColorPro offers many advantages over previous color solutions provided with the Harlequin RIP From Harlequin PLUS Server RIP v9 0 0 support for Pantone PLUS colors is added From the Harlequin PLUS Server RIP v8 0r0 the Use black point compensation option is available See Table 3 8 on page 37 for more information Also the Color Adjustments options Fatser Better and Accurate in the Output Control section have been improved See Table 3 10 page 39 for more information INDEX CONTENTS 4 2 COLOR PRO USER S GUIDE INDEX CONTENTS 4 3 1 4 1 Previous changes to ColorPro The following features have been added or changed in previous versions of ColorPro Use late color management See Table 3 4 on page 31 for more information Emulation Allows your printer to produce proofs as if from your press Gray Profiles For scanned images line art text and graphics N color profiles Allowing any number of colors All the options within ColorPro are placed for convenience on a single Color Se
103. y as for the Main Intent If you decide not to select a rendering intent for RGB images the CMYK rendering intent is used And if an option is not selected there the Main rendering intent is used Use black point compensation From v8 0r0 Black point compensation has been added to ColorPro and is compatible with the Adobe implementation Black point compensation is used when converting images from the color space of one device to the color space of another device It accounts for the differences in the darkest level of black which can be printed on those devices The implementation in the RIP will only work with color transforms composed entirely of ICC profiles that is the method will have no effect on device independent color spaces such as CalGray CalRGB CIEBasedxxx but will work for ICCBased and embedded ICC profiles Also the ICC profiles supplied in setreproduction must be installed in a v8 0r0 RIP that is the method will have no effect on output profiles migrated from earlier versions of the RIP The following table describes the Output Controls for RGB options in the New Color Setup dialog box Table 3 8 Output Rendering Intents Fields Description Note None of the options in this section are available if an RGB profile is selected from the RGB data menu in the Input Profiles section Black generation This is the process of computing how much and where black should be added to
104. your Page Setup dialog Select a calibration set from the Calibration menu See the recommendations for the specific device you are using Modify other options as needed For a description of the other options see Configuring Output Formats in the Harlequin RIP OEM Manual When you are finished click Save As to name and save this page setup The Page Setup Manager dialog box displays the page setup you have created Note that you can also copy edit or delete setups from the Page Setup Manager dialog box Click OK to save all the changes you have made to page setups and to dismiss the Page Setup Manager dialog box INDEX CONTENTS 4 41 gt COLOR PRO USERS GUIDE INDEX CONTENTS 442 gt 3 7 Print using new page setup You are now ready to print using your new page setup Printing a single file from the Harlequin RIP is useful for testing your page setup Once you know that you have a good page setup you can make it available to other users of the Harlequin RIP For details on printing jobs from other computers on a network see the Configuring Input chapter in the Harlequin RIP OEM Manual Follow these steps to print a single PostScript language file 1 Choose Harlequin RIP gt Print File The Print File dialog box appears E 4 Print File Look in PS Files 909282 Le m Name Date modified EA GOLFER PDF 06 11 2002 15 28 TE GOLFER PS 08 11 1991 18 08 E GOLFER xps 06 02 2009 13 49 H GOLFE

Harlequin RIP ColorPro User's Guide

Contents

Download Pdf Manuals

Related Search

Related Contents