Dot Adjuster User`s Manual
Contents
1. 21 3 1 2 2 Input Setting Input Folder Input the hot folder name that is to monitor input files automatically You can also click the Select button and select an input folder through folder selection dialog Ifan input folder is not prepared in advance you can make a new folder and specify it as an input folder by pressing the Make a new file button of folder selection dialog Ifa file that meets the specification of Name rules and palette setting is input into the input folder dot gaining revision will be launched automatically DIE Magenta MD Yellow 0 0 255 0 m Black K 0 0 0 255 Oli scoi SPECIA 155 197 51 0 Ol scot2 SPECIA 172 112 0 0 om scos YELLOW 0 0 255 0 Osco SPECIA 0 104 205 43 Append color Delete color D Initialize colors Name rules and palette setting To set palette number and palette naming rules for details please refer to Palette setting dialog that follows Negative Positive reversion To operate negative positive reversion for image information and other input halftone images After dot gaining revision operate negative positive reversion again and save it 22 3 1 2 3 Output setting Output folder An output folder is a folder to save images after dot gaining revision Its setting method is the same with input folder Dot gaining adjustment setting Open Revision method setting dialog and you can set dot gaining re2. Hard Disk 20GB or above Operation System Windows NT Service Pack 5 or above Windows 2000 Windows XP 1 2 Installation You must install Dot Adjuster and hardware key s driver in CR ROM of Strip Editor before using Remark Please take notice that Dot Adjuster requires that hardware key is connected before starting 2 Dot Adjuster overview 2 1 Overview Dot Adjuster does dot gain correction of the halftone image 1bit TIFF after RIP processing with batch processing It watches over the input folder at fixed interval and if there are new halftone image files in it it will automatically do dot gain correction of the files and save them in the output folder If you install a server machine it will be possible to process the data collectively from the multiple client machines making use of the ability of the server machine Dot images the dot gains of Dot images separated which have been corrected multiple plates Dot Adjuster Input hot folder Output hot folder 2 1 1 Folder set The set of the combination of the input folder that is being watched over and the output folder into which the processed files enter and the parameter settings such as the dot gain correction values is called Folder set If you have multiple folder sets you will be able to do the different dot gain corrections in accordance with the object CTP or the printer 2 1 2 Maximum of correction quantity DotAdjuster while keep
3. OK Button To confirm setting and end dialog 34 Cancel Button To end dialog without dong anything Set color Button To set palettes that is registered in system palette default setting Delete color Button To delete palettes that is registered in system palette default setting Initialize colors Button To revert system palette default setting s registration to initial status 35 3 3 Option setting If you select Option setting from File menu of the basic screen Option setting dialog will be shown to set palettes that is to use It is not used in this version 36 4 Outputting a log file with HTML You can view Dot Adjuster s processing status from WWW browser Internet Explorer Netscape of a client computer How to set 1 Specify an output directory for the log file in Dot Adjuster s Folder Sets dialog Specify a share folder so that you can view the log from a client computer Press OK button and a log file will be generated 2 Launch client computer s WWW browser and drag the generated log file Or select the file from WWW browser s menu 3 To omit Step 2 in later operation register it in WWW browser s Favorites In Netscape register it in bookmark 5 Troubleshooting A file is input into the input folder but a preview is not generated If the setting is correct but dot gaining revision is not launched please delete a file named def in the s
4. cancel a setting click Cancel Folder Valid D lmagesDotGainilnput Folder Setting List 19 The present folder setting can be listed Click a folder setting a dialog of Hot Folder Setting will be opened There is a Folder Valid Checkbox at the left of each folder setting click it to validate a folder setting New Button To create a new folder setting and open a Hot Folder Setting dialog Edit Button For a selected folder setting open its Hot Folder Setting dialog Copy Button Copy a selected folder setting After this please change the copied folder setting with Change Button Delete Button Delete a selected folder setting It cannot be undone Common The interval to check files the input folder Specify the interval to check input folder Except Temporary Stop in basic screen folder setting is checked at this timing To output a log in HTML To write out a log file in HTML file so that it can be confirmed in WWW browser For details please read Output a Log File in HTML 20 3 1 2 Hot Folder Setting You can make a hot folder setting to operate dot gaining revision u D iImages DotGainiOutput v v LN F were 3 1 2 1 Setting Name Setting Name You can set the name ofthe folder setting at will You can also set the name of dot gaining revision level object CTP printing machine etc
5. If you set an input value and an output value in the read and round area of the right drawing they will be reflected in the tone curve automatically If the specified input value does not exist in tone curve s point it will be added automatically if it exists the output value will be changed C To click or drag above the tone curve If you click an area of tone curve and if there is a point near this input value the current value of this point will be shown in the input and output box You can change the point position by dragging the point During dragging the current values of the point will be shown in the input amp output box If there is no point near the input value that is clicked a new point will be generated and you can drag it just as an existed point 28 D To define input values and output values with tab separation Detailed Settine m Detailed Setting Output Cyan Input input value and output value separated with tab omei If you click Detailed setting dialog the right dialog box will be shown and you can write down input values and output values through tab separation Example 0 20 30 50 68 82 Input Tab ab 50 ab 72 ib 86 Output ab 0 ab 18 28 ab Black Enter Enter Enter Enter Enter Enter Enter Enter You can set 101 points in total for an input value in the range of 0 to 100 Please
6. colors However when this dialog is closed even if you select All colors again you cannot save the previous setting values Please confirm the setting values that are saved in respective colorss Initial value 26 To initialize the revision value of a selected palette Revision is 0 If All palettes is selected all palettes will be initialized Undo If you press Undo button the changes of tone curve will be returned to the previous step once Dot deletion You can delete a setting point of tone curve with a right click of the mouse Tone curve setting You can set tone curve in the following ways A To define an output value according to the respective input value of 25 50 and 75 B To define an input value and an output value through specifying a value C To click or drag above the tone curve D To define an input value and an output value at tab separation A To define an output value according to the respective input value of 25 50 and 75 Delete point with right click Initial value Detailed Settine TT If you set output values in the text box of the read and round area of the right drawing they will be reflected in the tone curve 27 B To define input values and output values through specifying values Delete point with right click hitial value Detailed Setting Undo
7. make sure to write down the input value in the order from small numbers to big numbers Bother input values and output values will handled as integers and the decimal parts will be neglected 29 Formats used here are the same with the formats that will be saved in the text that we will refer to later and therefore you can copy or paste part of a suitable palette of a saved data Save Open If you press Save button current tone curves will be summarized in all palettes and saved In our old version files of our unique format with an extension of curve will be generated In the new version an output method to save the files as a text file txt is added and used as default here You can also output the file in the curve of the old version If it is output as a text letter strings of tab separation will be noted continuously in respective palettes An example to save as a text Input 0 100 Input 0 25 50 75 100 Input 0 13 26 50 Output all palettes 0 100 Output Cyan 0 31 52 77 Magenta Yellow 30 If you press the Open button and specify a txt or a curve that is saved in the past the values that are read will be reflected OK Cancel After setting revision confirm it with OK and set it to invalid with Cancel and previous setting will be saved 3 1 5 Adjustment setting Automatic adjustment If you select Automatic adjustment in M
8. GTB Dot Adjuster User s Manual FL IF FLL FLL IL PLL Lil IL JP ILL Ll FL OP PLL FLL IL TP PLL Lil a E Content Chapter 1 Before Using This Software 1 Operation Environment and Installaton 1 1 1 Recommended operation envitonment nen nennennnennnn 7 1 2 Dot Adjuster s Installation 0 renreonneoneenneenneeneeneneneneneeenenenenneeennenneenneenne nee 7 2 DOLAAJUSLET TE 8 2 1 RE 8 2 2 Kiles Which re h ndled t EE 10 3 Sample Application nie 11 Chapter 2 Operation Dot Adjuster s Operation neun en 14 EE 14 RE EE 17 E EE 19 3 1 HotiFolder Sette ee Eeer SA e Ke ed 19 321 1 Setting dialog sonnei en iin ar Ban ees ees sls 19 3 42 Hot fold r seting E 21 3 1 3 Modification method setting 25 3 1 4 Adjustment level setting Tone curve adjustment 26 3 1 5 Adjustment level setting Automatic adjustment 31 32s Palette E EE 32 SOS a leese 4 Outputing log file in UIMD ENEE are 5 Troubleshooting Before Using this Software W Operation Environments and Installation HM Dot Adjuster s Overview 1 Operation Environments and Installation 1 1 Recommend Operation Environments Input Format 1 Bit TIFF Output Format 1 Bit TIFF Computer Reguirements Pentium III 600Mhz or above Memory 256MB or above
9. ame folder as Dot Adjuster By doing this all the file information operated until now will be deleted and all the files in the input folder will be processed 37
10. ase use it with moir control check the checkbox In the case of low resolution there may be cases that it will be better not to use moir control uncheck the checkbox 3 1 2 4 Files finished processing To dispose files that finished processing Select the following disposal 1 Lave in the folder To save the file in the input folder 2 Delete To delete the file 3 Save to a specified folder To move the file to the following specified moving directory Move to A folder to move files that finishes processing Its setting method is the same as input folder 24 3 1 3 Modification method of dot gain setting modification method of dot gain setting E xj r Modification method of dot gain Dot gradation 2 standard sl To set the revision method of dot gaining Modification method of dot gain setting There are the 2 following revision methods 1 Tone curve adjustment 2 Automatic adjustment Click one of the above and press OK and the Adjustment level setting dialog corresponding to the selected method will be open and you can set dot gaining revision If you press Cancel it will return to Hot Folder Setting dialog In the case of specifying adjustment through gradation it is necessary to specify halftone gradation Halftone gradation is an index to define the gradation of a random area of a halftone data and it is defined by the size of a halftone dot For a resolution of 2400 DPI which is o
11. dation is something which becomes the index which decides the gradation of any section of the dots The corrections of from commercial printings to comic plates screen tone become possible depending upon this setting In the case of the method 2 it is possible to maintain the high quality as for the single plate moire and do the dot gain corrections just by setting the maximum correction quantity 2 2 Files which are handled Dot Adjuster handles 1bitTIFF file tif 10 3 Sample Application If it is operated without connection of hardware key copy card sample application will only be operated in a specified period In sample application it not operated in full functions The word SAMPLE will be inserted in the output pictures It takes more time than usual process A message of Creating Sample Images will jump out in progress bar Additional time for this process will be calculated Original Picture for sample application SABLE SABLE SABLE TABLE M ment SALE mm SABLE am gt Mumle SABLE SABLE SA e ET stag zur SA SAFLE SARVE SAFLE SAI gt SAMPLE SABLE SAMPLE SABLE SAI 11 Operation Manual MH Dot Adjuster s Operation 13 Dot Adjuster s Operation Double click the icon DotAdjusterHFV1 exe to launch Dot Adjuster and the basic screen will be shown Basic screen shows current processing status If you finish all kinds of setting and click t
12. ften applied in a commercial printing please set an image of around 150 lines to 2 Standard For an image that is scanned with high resolution for the screen tone This test is an example of 2400 DPI 100 lines it will be 3 and for a screen tone of 50 4 or 5 should be enough As a standard if the resolution lines is small you should also set the halftone gradation to a small number and vice versa If halftone gradation is much smaller than a suitable value revision part will be deviated and pattern will happen Furthermore it is much bigger the neighboring gradation will be affected easily during dot gaining revision and the revised image will be a little bit ambiguous It is not so conspicuous to tell 25 3 1 4 Adjustment Level Setting Tone curve adjustment If you select to Tone curve adjustment in Modification method of dot gain setting dialog the following Modification method of dot gain setting dialog will be shown and you get set dot gaining revision through gradation Tone curve adjustment xi p Color Tal colors 7 Output Delete point with right click hitial value Open Save Detailed Settine F Undo Color All colors Lyan Select a color to set You can select colors in Al colors and palettes that is set in the Name rules amp palette number setting dialog If you select All colors the set curves will be set to all
13. gain if folder directory s checking is temporary stopped Process will start once a picture is input into hot folder Each time resolution or size is changed the progress bar In Preparation will jump out and high speed processing preparation will be operated 10 kinds of resolution or size changes can be saved therefore if changes of the same resolution or size is operated later this process won t be started Information Click one of the lists to select and relative information will be shown 16 2 Menu Click the menu bar of the basic screen and select the menu the individual setting and confirmation can be done 2 1 File Menu Folder Sets S Ctri S Color palette setting C Option setting Exit 1 Folder Sets Set a hot folder 2 Color palette setting Set color palette 3 Option setting Set options 4 Exit Finished this operation 2 2 Editing a Menu Unable to use for the time being 17 2 3 Indication Menu Status har s 1 Status Bar To show or not to show the status bar at the bottom of the basic screen 2 4 Help Menu Version Information VersiontA 1 Version Show Resizer s version information 18 3 Dialog 3 1 Hot Folder Setting 3 1 1 Setting Dialog Select Hot Folder Setting in basic screen s File Menu and Setting Dialog will jump out Folder setting can be done When setting is finished it will indicate OK If you want to
14. he Act button monitoring input folder for each folder setting will begin and if a halftone image is input dot gaining revision will be operated 1 Basic Screen Program Title Bar Menu Bar File E Edit E View Help H Files in operation Files finished processing FileName Type Folderset name File Name Type Folderset name Type Folderset name Information 14 Program Title Bar The bar to show names of windows and dialog box Menu Bar The bar to show menu File in operation It indicates halftone pictures that are being processed and its folder directory setting name File in waiting Tt indicates files that are input into input folder but still not processed yet If you click the file names that are shown a Information box that indicates input folder output folder and moving directory of the processed files will be shown File finished processing It shows files that are input into input folder and finished the process of preview If you click the file names that are shown a Information box that indicates input folder output folder and moving directory of the processed files will be shown Error file It indicates files that cannot be processed due to a certain reason If you click the file names that are shown a Information box with a simple explanation of the reasons of error will be shown 15 Stop Go Button It can start the operation a
15. ing the picture quality as high as possible changes the dots according to the dot gain correction quantity Therefore the maximum correction quantity is approximately 14 at the halftone value around 50 where the dot gain quantity becomes maximum When more correction is necessary it is possible to do the dot gain correction multiple times by making the output folder of any folder set the input folder of another folder set In this case the correction quantity of the former should be set to exceed the maximum correction quantity e g 20 and the latter should be set as the necessary correction quantity e g 25 the maximum correction quantity 14 But multiple dot gain corrections may affect the image qualities such as the dots or letters so it is necessary to do the quality verification with the output Folder set Input folder Output folder Input folder Output folder Folder set 2 1 3 Correction methods DotAdjuster has 2 methods for the dot gain correction 1 Tone curve adjustment Using the correction curve which corresponds to the gradation value 2 Automatic adjustment This is the automatic correction by indicating the value of the maximum correcting quantity gradation value of around 50 In the case of 1 it is possible to set accurately the correction values according to the gradation values with the correction curve In this case it is necessary to appoint dot gradation Dot gra
16. odification method of dot gain setting the following Modification method of dot gain setting dialog will be shown and you can set dot gaining adjusting rate This revision level is the dot gaining level that will be maximum level at middle gradation around 50 After setting revision confirm it with OK and set it to invalid with Cancel and previous setting will be saved Automatic adjustment XI Adjusting rate 10 Color The same as Adjusting level setting Tone curve adjustment 31 3 2 Palette setting If you select Color palette setting from File menu of the basic screen Color Palette dialog will be shown for setting like palette registrations that is to use Color palette xi Golor list AH 255 i i i Append color Set color 5 OK hitialize colors Cancel Color name To show palette name and its color image icon This name is used in item indication like color palette list Reference name To show palette reference name To judge if the file in the monitoring folder is an object draft palette Cyan To show the Cyan value 0 to 255 for color indication Magenta 32 To show the Magenta value 0 to 255 for color indication Yellow To show the Yellow value 0 to 255 for color indication Black To show the Black value 0 to 255 for color indication Append color button To add a new palette to palettes default value
17. s of system setting the following dialog will be shown Color setting Color name Econ Reference name SPECIA LCOLORI Named by RIP Colorant Black 0 Miami ee Im MN m Color name To show palette name To change it input a new name This name is for users to identify palettes and it is used in item indication like color palette list Reference name 33 To show palette reference name To change it input a new name This name is for the purpose to identify draft palette and during draft registration halftone palette file corresponds with respective palettes and it is used as a file name when a plate is output For a palette reference name there is no difference between capital letters and lowercase letters Attention Please input palette name that is added to halftone palette file name according to RIP Cyan To show Cyan value 0 to 255 for color indication To change it input a value or use the slider bar Magenta To show Magenta value 0 to 255 for color indication To change it input a value or use the slider bar Yellow To show Yellow value 0 to 255 for color indication To change it input a value or use the slider bar Black To show Black value 0 to 255 for color indication To change it input a value or use the slider bar Color image To show color images from values that is set in Cyan Magenta Yellow Black in real time
18. vision level Compression To specify the compression format ofa file after dot gaining revision Appendded text to output file name These letters will be added to an input file name to make an output file name For example ifan input file name like A4Pamphlet tif is added with the following letters CTP1 and if it is added to the heading the output file will be CTP1 A4Pamphlet tif if it is added to the ending the output file will be A4PamphletCTP1_ tif By adding object CTP name printing machine name dot gaining revision level as the additional letters you can control the revision content according to the file name However if the letters are added at the ending it will make a file name out of the palette naming rules and it may not be able to be used in Bit Through application Please take enough notice of this 23 Moire Control Dot gaining revision is to add or delete pixels in the halftone image In such cases to prevent moir from happening we add or delete pixels randomly This is called moir control If moir control is not specified pixels will be added or deleted in a way to concentrate halftone data as possible as it can However if moire control is not done pattern may happen especially for palettes with screen angles of 0 or 45 degrees For an image with high resolution like 2400 DPI the final printing will be affected too much by the position of the added or deleted pixels ple
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