The GIMP - Ebooks on Everything.
Contents
1. Web Other References 2 OTEA Ote WwWW gimp org Linux Journal July 2007 Quick Takes Deep Images CinePaint descendant of GIMP Expands on file format compatibility Proper color management Targeted audience is movie retouching Krita Koffice paint utility Aimed at graphic professionals 32 bit color management system CMYK and RGB Python and Ruby engine allows scripting similar to Adobe s Action scripts e Slashdot Questions Flame War June 5 Alternatives to Adobe s Creative Suite January 27 Using The GIMP to Improve Photos e I sent a note to Bill Kendrick who performed c demonstration of GIMP to a Sacramento PC Group in 2002 I asked if he still used GIMP and what his thougnts were on the state of GIMP e mentioned that he only uses G z e is also the author of Tux Paint He make g great strides in the pen Source Ir ag G sector e will always have a fondness tor GIMP E http gug sunsite dK tutorials oO crystal png 1 0 RGB 7 layers 100 File Edit Select View Image ay Tools Dialogs Filters SecriptFu Here is 8 01 MB Conclusion e Gimp is a powerful tool for free It is mature with loads of documentation and web support e Load it learn it use it load it for others and teach it GIMP Demonstration and Tutorial 2003 2004 Paul Suda paul manufaxure com Originally created April 2003 for NPOTechs Chicago lt2. colors and shapes for your tools to use Pencil and Paintbrush Tools The new blank image that is created will look like this File Edi Selu Yew nage ayer Tools Sialegs e Scripl Fa ge 0 eet 229 309 0 1 Try out the pencil and paintbrush 4 tools and doodle a little bit in the blank image we created in the first step in this section Notice the difference between the hard edged pencil lines and the softer paintbrush strokes when using the fuzzy edged brushes Be sure to use the Color Selection and Brush Selection dialogs which you should already have open to create an image using a number of different brushes and colors Background 2 01 MB Undo and Redo File Select View Image Layer Tools Dialogs Filters Script Fu The keyboard shortcuts are ctrl z for undo and ctrl y for 35 omz Bu redo These features can also be accessed through the 8 Undo History Edit image menu r i a Kies M i The image menu is accessed by right clicking on the jan M image window or by selecting one of the menu items in the TON Gy menu bar at the top of the image you re working on se atm Every image operation in the GIMP is available through S stroke se this menu system inris Note A default limit of 5 steps can be undone To set this limit to a higher value see the Environment section of the preferences dialog found under the File
3. Preferences menu item in the main dialog Saving Images Jhome paul To save the image 1 From the image menu select File Save As 2 Make sure that the file type XCF is selected This is the GIMP s native file type and will preserve all information about your image 3 Enter a name and select OK Determine File Type Note that there are many other file types available For publishing photographs to the web JPEG is a good choice PNG and GIF are lossless formats that are preferred for publishing designed images such as logos If you are saving a work in progress that you plan on editing again in the GIMP XCF is the best file type to use as it is the GIMP s native file type HW x Image Types File Edit Select View Image Layer Tools Dialogs Filters Script Fu 100 PLUTTITTUTTT MM T GIMP images can be one of three modes e RGB Images with a full range of colors Typically Select oor used for PNG JPG and XCF format images T Indexed Images with a fixed pallet of colors or d 1 Tansform Xu V grays GIF images load as this type g s atau Gil indexed Grayscale Black and white images These are 4 oe d apma m 3 also typically saved as PNG JPG or XCF format files Background 709k Merge Visible Layers Ctrl M Flatten Image Configure Grid Introduction to Ph
4. Adjusting Layer Opa City cccccccccsseccecessceeceeeeeesseeeeesseaeeeeseueeesseaeeesaaeeessaaees 5 Adding Caption Text to the Photo 4444040400000 rene nan nana nana nn 6 Mo ale ac CADO ERR O Em 6 Sale SSC ONG eror EEEE b Oran E E EE ER DN mds 6 olse polo TO ai NMAC R O O miden aves aial 6 Using the Paint Tools With SeleCtions cccccccccceececceeececeeeeeeeeeeeeseeeeeseesesseeeesseeeeesaeeeeas 7 Applying a Filter to Selected Are as cccccccccssecceeseececeaeeeeeceeeeesaeesesseaseessegsessuaeseeseeeesaaess 7 RETELFENCES ccccccccccceccceccccececccecccecececeaceceueneaeaceteneuaceceneaeatetenenuaueceneneatsnsneauaeeneneueacsusneneansnens 7 Freehand drawing the Basics Creating a New Image In the main dialog select New under the In the New Image dialog click OK We will create our new image with the default size of 256x256 pixels and RGB color mode Selecting Colors Paintbrushes File men e menu i P a m From Template Image Size Width 256 2 Height 256 Pixels 512 KB Width 3 556 Height 3 556 dn Resolution X 72 000 Y 172 000 pixelsjin Image Type Fill Type RGB Foreground Grayscale Background White Transparent Image Comment Created with The GIMP fJReset X cancel 420K and Tool Options Double click the foreground or background color or the current brush to open dialog boxes to select new
5. http npotechs org gt Last revised 2004 08 09 updated for GIMP v 2 0 This document is licensed for use under the terms of the GNU General Public License See htto www gnu org licenses gpl txt for the full text of the license This is a demonstration of abilities and tutorial for The GIMP This outline was developed using GIMP version 2 0 See htip gimp org for more details about how to obtain a copy of the GIMP for free Table of Contents Freehand drawing the aS CS asses iiu ara aida em Im NM cO UR MM MM MN MD 2 SPIN NSW A0 said uni ma REDE Mud deo sad E DPI E oM MIN 2 Selecting Colors Paintbrushes and Tool OptionS 2 lt lt lt cccccc 2 FEC bine PANDU SR Roo RN m E 2 Undo and Jm S16 Ko JOM 3 oye 1 ale UR 0 eee eee ee eee ee nee ee E Dealer ied 3 Ino M Mo RR 3 Agiifere d e ie p to Photo Tet OU NMG PR E EE OO 4 Kotang Min 111510 PPR O 4 GFODDING and Mage IZ6G iocus e a E E a 4 AMDE GOO CONOC IOI SA E E ASEE E EE EEE E E EEEE ERSE 4 USNO TS CIOE TOOL eea arse see ants A E E E 4 Advanced Color W o 11 10 1 0 1 PAP P i seo EEEE EEr eani EERE E 5 S ale Lay RR 5 Please leave the levels example jpg photograph from the last section open In this example we will add a caption to our photograph To do this we will create a new layer which functions as an overlay placed over our photo lt lt lt c lt ecrrrr 5 Creating ai NOW Lay RETE TETTE MS 5 Filling and
6. window open at some point Just minimize it If you close it the GIMP will close Linux users may already have the GIMP installed and if they don t they should look to their distributions for installation methods Knoppix a live Linux CD comes with the GIMP already installed Page 7 of 8 Conclusion If you re looking for advanced photo editing graphics manipulation software you need look no further than the GIMP It can compete with the commercial programs at a price and openness that can t be beat With a 0 cost and ability to give away copies to all your friends there s no reason for anyone to be without quality graphics photoediting software anymore Page 8 of 8 Introduction to GIMP From the point of view of a Software Developer with just enough artistic skills to draw a stick person What is GIMP f e GNU Image Manipulation Program E e Created in 1995 as a Computer Science Project by Spencer Kimball and Peter Mattis e Runs on Linux most versions of Unix Mac OS and Windows Goal of this Presentation To demonstrate the basic functionality of GIMP from the point of view of a Unix Software Developer with hopes to mo tivate the audience to want to learn and use the tool on their own About Scott Nesler Live in Chesterfield with my Wife Lisa 9 year old son An drew and 6 year old Ben Im having trouble converting Andrew and Ben to Linux because EA Games Sims do not run on Linux They d
7. 8 pixels pixels v X resolution 72 000 M a Y resolution 72 000 pixelsfin W Ouality Interpolation Linear v Cropping a Photo Choose the Selection Tool from the Pull down the Tools panel Select the area you wish to keep Pull down the Image menu and select Crop Image 7 3 Picture 003 jpg 1 0 RGB 1 layer 2592x1944 File Edit Select View Image Layer Tools Dialogs Filters Script Fu px M 25 Background 48 9 MB Cance Directions for using GIMP Annette Lamb Page 1 Adjusting Image Color Pull down the Layer menu select Colors Notice the choices in this area First choose Color Balance Use the slide bars to make minor adjustments in color If you dont like it choose Rese Within Layer gt Colors choose Brightness Contrast and use the slide bars to make adjustments Color Balance Ei Adjust Color Balance Background 2 Picture 003 jpg Select Range to Modify le Bright ness Contrast Shadows Adjust Brightness and Contrast O Highlights Background 2 Picture 003 jpq Modify Selected Range s Color Levels Cyan J Magenta u Yellow E Brightness lt gt lt gt Contrast peters Prem Preserve luminosity Help Cancel OK Preview lt gt Adding Lines Shapes and Graphics Select tools from the tool panel and apply them to your visual Notice that you can change the color and brush strokes Ideas Take a photograph containing a shapes in our world Ad
8. It is important to note that the current paintbrush sets the pattern in which the cloned image Is painted onto the new location Try usingthe clone tool to remove any unwanted objects from the photo Advanced Color Correction FTA IS Open the levels example jpg file which we will use for this step orane ie i input Levels Sometimes the color correction tools covered above do not feature enough control to produce the desired result This is particularly true when one end of the brightness spectrum needs FIT adjustment but the other does not The levels example jpg is T such a case so we will use the levels utility to selectively enhance the brightness and contrast of the image Open the levels dialog from Tools Color Tools Levels in the image menu open Bsave auol P Z v Preview 0 JReset X Cancel ok Using Layers Please leave the levels example jpg photograph from the last section open In this example we will add a caption to our photograph To do this we will create a new layer which functions as an overlay placed over our photo ze Original Width 300 Creating a New Layer r Opacity 100 0 s EMEN cot caver autrbutes New Width 3 Use the Dialogs Layers menu item or the gt TS page Jim shortcut key ctrl L to access the layers dialog You will see the single background layer of the current image you are editing Click the new layer button to create a new l
9. The GIMP By Robert Spotswood Open source s answer to Photoshop With consumer digital cameras becoming more and more common so are digital pictures Unfortunately bad digital pictures are also becoming more and more common While tips on taking good pictures are beyond the scope of this article pictures you already have taken can sometimes be salvaged and most of the time improved with some good photo editing software In addition those pictures can be cut folded spindled and mutilated to form new sometimes better pictures There are a number of commercial photoediting software titles available including Paint Shop Pro Corel Draw Picture It C1 and PhotoImpact But the big name in graphics programs is Photoshop It is extremely powerful but is also expensive 650 MSRP A cut down version of Photoshop called Photoshop Elements is only 99 MSRP street price a little less Sometimes people will use whatever came with their scanner or digital camera This software tends to offer few options and is only a pale imitation of any software listed above and the GIMP However all the software above has two things in common None is available free legally and all of it only runs on MS Windows If you want to use another operating system you can t use the software natively This is where the GIMP comes in It 1s the only graphics manipulation software available for multiple platforms MS Windows Mac and most Unix including Linux
10. and for free Access to the source code and the right to modify it and distribute your changes 1s also available for free something none of the others offer Zero Cost Full Power Dont let the cost fool you Just because the GIMP 1s free doesn t mean it isn t powerful An easy way to start a flame war on the Internet 1s to say the GIMP is better than Photoshop or vice versa There are some things the GIMP can do better and there are some things Photoshop can do better but there are very few things that Photoshop can do that the GIMP cant yet Almost all of those revolve around pre press work which is something most home users won t need Page 1 of 8 All the power tools a graphic artist would expect are available in the GIMP Layers masks channels paths the clone tool gradients cropping resizing multiple picture format support shearing rotation perspective and more A number of filters allow you to do other interesting transformations and improvements to your photos Illustration 1 Final composite image For instance figure was created from the full sized original 3 pictures in figure 2 The frame was created on the fly in the GIMP This is an example of the cut folded spindled and mutilated Page 2 of 8 Illustration 2 Sources for the composite picture The Learning Curve Illustration 3 Logo from scratch in under a minute Working with digital images requires some understanding of what you wan
11. ayer Next right click on the E new layer in the Layers dialog and select IM B Layer Boundary Size from the menu Our layer ayer ask should have a new width of 300 and a new height of 100 Don t forget to click the button to unlink the see i Merge Visible Layers sizes from being constrianed to the image size ratio SEU Cl Duplicate Layer 19 ly a zi Merge Down Filling and Adjusting Layer Opacity Make sure that the new layer is selected in the Layers dialog or you will fill over the photograph instead of just the caption area We will now fill in the background for the caption box First select the color you would like to use for the background Then select the whole layer area by pressing ctrl a and fill using the paint bucket tool Now use the Opacity slider in the Layers dialog to adjust the layer so that it is subtly accented from the photograph Adding Caption Text to the Photo Layers Before you add any text select the color you would like to use for the Mode Normal text as the foreground color Use the text tool T to add text to the new layer Click on the location you would like to add text using the text Hia cursor You will then be prompted to enter the text and choose a font e Eea Enter the caption Train Yard for this picture ckground max notice that there is a new layer called Train Yard This new t layer contains the next that you
12. d line s or ovals to show the shapes The GIMP Sele Layers Channels Pat SEE File xXtns Help Copying a photo If you want to copy your photo to another software package pull down the Edit menu m select Copy To Clipboard Opacity a ag Background Saving a photo Pull down the File menu and select Save As Notice the options for saving as different file types such as png Save Image Name recycle jpa Save in folder Picture J This tool has no options Browse For other Folders Select File Type By Extension File Type Extensions Brushes PGM image pam Circle 11 11 x 11 Photoshop image psd ut M 5 PNG image png PostScript document ps PPM image ppm Silicon Graphics IRIS image sgi rgb bw SUN Rasterfile image im1 im8 im Tari imana Directions for using GIMP Annette Lamb Page 2
13. esolution 300 000 Y resolution 300 000 3L pixelsn 2 Quality Interpolation Linear Indexed color layers are always scaled without interpolation The chosen interpolation type will affect channels and masks only FJ Reset A Cancel A Scale ho on NNN o SO SS 0 LL E Orgi 13 Jpg 22 D RGB 1 layer 3 le Edit Select View Layer Tools I Filters prt Fu script Fu m d EI Duplicate Ctrl D 00 a B me 3 dut S a Flip Vertically 4 Fit Canvas to Layers Rotate 90degreesCW 2 E Print Size 4 amp Rotate 90 degrees CCW p SS Scale Image amp Rotate 180 degrees ona Autocrop Image Ex Zealous Crop A i 3 1 Merge Visible Layers Ctrl M Flatten Image Guides EA Configure Grid px 2 100 Background 1 67 MB k 2 JEA F E I ye T l ee s Red Eye Reduction Use Circle Select Shift left mouse to make a perfect Circle e Tools Color Tools Hue Saturation Toggle R e Slide Saturation Transparent BacKgrounds Take the Square out of Icons and Logos m 5 Layer ransparency Add Alpha Channel Select Region By Color Select White Cntri K for Clear Select red add select border of letters feather edge Script Fu Shadow Drop Shadow Layers Blending Images Layers More Blending Opacity Fun with Words an Letters x Text Tool a DejaV
14. hat only the selection is filled with the current color Try using thepencil 7 and paintbrush 4 tools to see how they are affected by selections Applying a Filter to Selected Areas Select an area of the photograph on which you would like to try out some special effects Then select the Filters Artistic Cubism menu item The Gimp provides a huge number of filters and effects the best way to get to know what all of them do is through experimentation Also most of the Tools Color Tools menu operations are affected by selections in a similar way as filters References The GIMP Homepage http gimp org The main site for the GIMP project Check here for the most recent GIMP package and plug in downloads as well as documentation and tutorials GIMP for Photo Editing Download GIMP from http www gimp org Install the software GIMP stands for GNU Image Manipulation Program It is open source software Getting Started Click Start Programs GIMP Pull down the File menu select Open Browse for a graphic file in Documents My Pictures Click Open Resizing a Photo Pull down the Image menu and select Scale Image Resize large photos to 1024x768 or 800x600 for printing Resize photos to 150 250 pixels height for web publishing Set the resolution to 72 pixels dpi Click Scale The photo below is 200 pixels high MEET Image R Scale Image E Picture 003 jpg 3 Image Size Width 1024 1 Height 768 F j 1024 x 76
15. n haze and cloudiness can sometimes be removed as well if they are present Ab ES F hd M xxm os z mi i v Auli k Ld Fa i l W j l y r 4 j Illustration 5 Raw image Page 5 of 8 4 BA JA Illustration 6 After applying auto levels The third picture 1s the final version The third involved some use of the clone tool to remove the people above the tulips and the part of the person just showing behind the left tree and several other minor enhancements Page 6 of 8 Getting the GIMP For Windows users there are two versions of the GIMP The 1 2 5 version 1s Illustration 7 Final version recommended for Windows 95 98 and ME while the 2 x series is recommended for Windows 2000 and XP There were a number of refinements made to the interface between the 1 2 and 2 0 series but 1 2 can still do everything that 2 0 can do However some things are easier to do in the 2 0 series especially working with text Windows users can download the GIMP installer from http gimp win sourceforge net The stable version is 2 0 x as of 10 14 2004 and the previous stable version 1s the 1 2 5 You must also install the GTK program or the GIMP will not work In addition you may want to download and install the help and animation packages The first time you run the GIMP a setup wizard will appear The GIMP will also take longer to start the first time Also you may see a DOS
16. o like TuxRacer though I am Software Developer who prefers developing on a Unix Linux platform In the past twenty years I have been fortunate to work for firms whose LT Platform was one Unix flavor or another or I have been able to introduce one or two Linux Doxes to Keep my C C Command Line and LAMP craving fed Sometimes I have to program integrate in a Microsoft environment to Keep food on the table 987 Computer Science Grad from SIUE What we will Cover e Converting Image Types e Image Resizing and Rotating e Red Eye Reduction e Producing Transparent Logos and Icons e Using Layers e Clipping Objects e Put together an SLUUG Logo Converting Image Types s xcf Native Format Saves Layers e fli Autodesk e dcm and dicom DICOM ps ps gz and eps PostScript e fits fit FITS e ico Microsoft Icon e avi Microsoft Video e psp tub Paintshop Pro e pnm ppm pgm pbm PNM e gif jpg png tif Most Common Image Formats e xbm xwd X Bitmap e pdf Adobe Image Resizing STLNew gif 2 0 indexed 1 layer 300x500 File Edit Select View Layer Tools Dialogs Alters fra aa k l Duplicate Ctrl D 6s Mode Transform Fit Canvas to Layers Print Size Scale image Autocrop Image Scale Image A Scale Image 2 STLNew gif 2 Image Size Width 300 4 t Height 500 300 x 50D pixels ai p pixels X r
17. oto Retouching In this section we will correct a variety of common image quality problems with some example photographs Open the photo example jpg file which we will retouch in the following steps Rotating the Image Use the Image Transform Rotate 90 degrees CW menu item in the image menu to rotate the image 90 degrees or right side up Or usethe Rotate tool to rotate images any number of degrees getting it as close as you can to right side up Cropping and Image Size You can use the crop tool to cut down an image Keeping in mind what the subject of your photograph is cut off any extra portions of the photograph that seem to contain too much empty space or material that is not interesting For the photo example jpg this might mean cutting away all of the photo but m aos the tower i Simple Color Correction The Tools Color Tools menu contains the GIMP s tools for correcting or 1 9 and enhancing the overall color characteristics of an image The Color mne bo Balance and Hue Saturation dialogs have sliders to perform basic color gzs 4 adjustments m4 Using the Clone Tool The clone tool is used to duplicate parts of the image using the current paintbrush Ctrl click to select a spot on your image to clone then click and paint in the same way as using the paintbrush or pencil tool to paint a duplicate copy of that portion of the image in another location
18. ral mailing lists available as well Many of the tutorials and books are for the 1 2 x version of the GIMP Between versions 1 2 and 2 0 the menus have been rearranged to try to make the GIMP easier to use However virtually all of the tutorials still work 1f you are willing to search through the Page 4 of 8 menus when something isn t where it s supposed to be People new to the GIMP should look at the introduction to the GIMP http members home nl m weisbeek the GIMP Be warned that the interface does take some getting used to but can be quite easy to navigate once you do get used to it One little known tip for using the file open save dialogs is to use the tab key Type in the first letter or letters of what you are looking for and press tab The box will now only show files and directories that start with what you ve typed in Improving Your Pictures Don t be put off by the amount of learning you have to do to truly master the GIMP For those looking to improve your pictures it only takes a few minutes of study to learn how to use perhaps the two most useful tools for improving your pictures the levels and crop tools The auto button for levels works wonders most of the time Compare the two pictures below The first 1s the original scan while the second has had auto levels applied Notice how the colors are better now While the effect can sometimes be subtle it does make a difference in how your image is perceived In additio
19. t to do If you want the best results it will almost never be pick a tool one click and you re done This is true for all graphics programs and the GIMP 1s no exception However the GIMP comes with a host of pre programmed tools that can help do a variety of jobs Some can even generate graphics starting from nothing Page 3 of 8 For instance figure 3 took less than 1 minute to create from scratch using one of the scripts The script did nothing that could not be done by hand but it did do it faster The GIMP is fully scriptable and you can write your own scripts or add ones others have written You can also create your own art in the GIMP by hand as well Figure 4 took about 20 minutes to create from start to finish some of which was figuring out what to create Illustration 4 The GIMP art created by hand Mastering any advanced graphics program the GIMP included takes time patience and studying but the GIMP has a number of free resources available to help master it First is the GIMP User s Manual http docs gimp org and the second is Grokking the GIMP Grokking the GIMP is available in both book form and as a free download http the GIMP savvy com BOOK Beyond those are the GIMP help files and online tutorials too numerous to list There are also several other books on the GIMP that can be purchased and Usenet offers the comp graphics apps gimp newsgroup if you need additional help There are also seve
20. u Sans Bold Not Rotated Size 200 White Select NIX with Color Selector New Color Layer BucKet Fill with Red Foreground Opacity 40 New Pattern Layer Fill with Pattern Marble f With the Pattern Layer Selected and the NIX Selected run Filters Edge Detect Neon Layers 3D Paste Logo Project 9 Je AT 14 k 4 q j i E k T k k m k k p j k k 5 k 7 F k i k k T y F 4 k pull S d 7 nh 4 Es a 1 U G Splinters of GIMP GimpShop Modification of GIMP with the intent to replicate the feel of Adobe Photoshop CinePaint descendant of GIMP Expands on file format compatibility Proper color management Targeted audience is movie retouching Krita Koffice paint utility Aimed at graphic professionals 52 Lit color management system CMYK and RGB Python and Ruby engine allows scripting similar to Adobe s Action scripts Reference Books e Beginning GIMP From Novice to Professional by AKkana Peck Published in 2006 Apress Publishing me e Essential GIMP for Web Professionals by Michael Hammel Pearson Education April 200 e The Gimp Pocket Reference by Sven Neurmann O Reilly 2000 e e Grokking the GIMP by Carey Bunks GIMP Pearson Education February 2000 ZZ gt Guerilla Guide to Great Graphics with the s GIMP by David Busch Premier Press January 2000 xil Gromitt i r H Ds i P
21. ve entered You can go back s jand edit this text at any time or adjust the size and font characteristics in the tool rie aloptions for the text tool 4 Once you have clicked ok in the text tool dialog you will Moving the Caption You can now use the move tool to move the caption layer to the best position within the photograph Using Selections selections are used in the Gimp to define areas of an image where an effect will take place Selections are a very powerful feature and provide the basis for most graphic design related functions in the Gimp Please leave the levels example jpg photograph from the last section open we will use it in these examples Selecting Areas in an Image There are six different select tools availablein Xi S 8 V amp the Gimp With most of these tools these E mouse and keyboard combos can be used to select complex shapes Holding shift when clicking with a select tool will add to the current selection Holding shift while dragging to make a selection will select an area of equal height and width Holding control when clicking to make a selection will subtract from the current selection Holding control while dragging to make a selection will select an area centered around the selection starting point Using the Paint Tools With Selections Once you have selected an area switch to the paint bucket tool A and click to fill the image Notice t
Download Pdf Manuals
Related Search