. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 158 12.1.1 Tool Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 159 12.2.2 Rectangle Selection Tool . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 161 12.2.3 Ellipse Selection Tool . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 164 12.2.4 Free Selection Tool (Lasso) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 166 12.2.5 Fuzzy selection (Magic

Image Import and Export . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 148 12.1.5 Tool Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 149 12 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 205 14.1.2 Tool Icons . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 205 14 Color and Indicator Area . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 206 14.1.4 Tool Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 208 14

d o c b o o k 2 o d f Welcome to The GIMP The GIMP is a multiplatform photo manipulation tool. GIMP is an acronym for GNU Image Manipulation Program. The GIMP is suitable for a variety of image perspective and rotate) can now show a real-time preview of the result of the operation when the tool is in "Traditional" mode. Previously, only a transforming grid was shown. GNOME Human Interface select tools, and more. Tool options: Docked below the main Toolbox is a Tool Options dialog, showing options for the currently selected tool (in this case, the Rectangle Select tool). An image window:

are grouped. Each tool which has a group attached to it has a tiny arrow on the bottom right corner. To Access the Menu Right Click Use Left Mouse button to select the tool you would like to use Brief Notes on Introduction to Gimp Interface • BUCKET FILL TOOL • GRADIENT FILL TOOL Regulates the intensity of the colour. The Lower the Opacity Gimp Interface • PAINTBRUSH TOOL AND PENCIL TOOL Not much of a difference between Paintbrush and Pencil. The difference is shown when you use a soft tip. • PAINTBRUSH – PENCIL – INK – AIRBRUSH

Selection Tools 115 Selection Options 116 The Free-Hand Selection Tool 118 Fuzzy Select 119 The Bezier Selection Tool 120 Intelligent Scissors 123 Chapter 8: Paint Tools ...... 130 The Blend Tool Or Gradient Fill 131 The Pencil And Paintbrush 137 The G imp Us e r’s Man u al v i i Ta b l e O f C o n ten ts Brush Selection 138 The Eraser Tool 139 The Airbrush Airbrush Tool 139 The Clone Tool 140 The Convolver 141 The Foreground/Background Icons 142 Chapter 9: Edit And View ............................................. 145 Cut, Copy And

for downloading over the Internet. The GIMP fills the need for a free Photoshop®-like program. The tool is available for most UNIX platforms. Binary versions are available for Solaris, SunOS, HP- UX, SGI's do install and run the GIMP, you'll find that it is packed with features. Paint tools include a paintbrush, airbrush, text tools, clone, blur, and sharpen. You can also transform images with rotation, magnification, cropping, transforming, flipping, text, color picking, fill, blending, pencil, paintbrush, eraser, airbrush, clone and convolve. Once you open an image, it will appear in its own window

L Blend N Pencil P Paintbrush Shift E Eraser A Airbrush K Ink C Clone Shift U Blur/Sharpen S Smudge Shift D Dodge/Burn Double click on the tool buttons opens the Tool Options dialog Dialogs Ctrl L Layers Shift Ctrl B Brushes Shift Ctrl P Patterns Ctrl G Gradients Shift Ctrl T Tool-Options Ctrl P Palettes Shift Ctrl I Info window Shift Ctrl N Navigation window Shift V Path to selection Filters Ctrl F Repeat last filter Shift Ctrl F Reshow last filter Zoom tool click Zoom in Shift click Zoom out drag Zoom into the area

toolboxes • Windows tab –> New Toolboxes • Windows tab –> Dockable Dialogs –> • Layers • Brushes • Tool Options 3 In-Class Activity: Segmentation Using GIMP Load the XCT image • Drag and drop the XCT the “Main Toolbox”, click the pencil icon • You may have to right-click on “paintbrush” and select “pencil” • From ”Tool Options”, change the size of the brush • Change size to a very large number (e Control key and rotating your mouse wheel • Color the dendrite pixels white using a smaller pencil tool (size ~10). Be as accurate as possible! 6 In-Class Activity: Segmentation Using GIMP Saving the

menu bar.  The Toolbox. Put your mouse over a tool/icon to see its description. Below the tools there are the options for the selected tool.  The “Layers, Channel, Paths, Undo” window. These Page 6 Paintbrush P Paints soft- or fuzzy-edged lines; that is, the pixels are anti-aliased and/or feathered. Eraser Shift + E Erases pixels from a layer. Airbrush A Paint tool with variable want to select a certain portion of an image, use the "Rectangle Selection Tool or Ellipse Selection Tool or Free Selection Tool" of the Selection Tools from the toolbox. - The Paste Into option pastes

default output of everything from digital cameras to most graphics editing software like Paint or Paintbrush. They are made up of , which is to say a grid of colored rectangular dots. The advantage of suit your needs. Inkscape is a program for creating and editing vector graphics. It is the ideal tool for drawing logos and icons, creating (animatable) graphics for websites, for composing posters and cards, painting on eggs, 2D game graphics and for many, many more purposes. Inkscape is not the ideal tool for some other purposes, but there exist very powerful alternative free software programs which we