. . . . . . . . . . . . . 100 8.1.1 Layer Properties . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100 8.2 Layer Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 321 14.5.6 Open as Layer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 321 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 324 14.5.10 Save as Template . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 324

. . . . . . . . . . . . . . . . . 101 8.1.1 Layer Properties . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 101 8.2 Layer Modes . . . . . . . . . . . . . . . . . . . . New Layers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 118 8.4 Layer Groups . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 119 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 123 9.1.2 Managing Text Layer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 124 9.1.3 Text Toolbox .

there are not very many useful things to do then. Layers Dialog: This dialog window shows the layer structure of the currently active image, and allows it to be manipulated in a variety of ways. It the Layers dialog available at all times. Brushs/Patterns/Gradients: The docked dialog below the layer dialog shows the dialogs for managing brushes, patterns and gradients. This is a minimal setup given location in a given layer is zero, the layer is completely transparent, and the color at that location is determined by what lies underneath. When alpha is maximal, the layer is opaque, and the color

Floating Selections............... 315 Introduction 316 Basic Layer Operations 317 Mask, Alpha And Selection Operations 322 Layer Align, Adjust And Move Operations 326 Transforms 330 Move tool Shortcut: M {1} Move current layer {1} + Shift Move current even if 100% transparent Ctrl + [arrow key] Move layer 1 pixel Shift + [arrow key] Move layer 25 pixels Alt + [arrow key] Move selection Layers Copy Named Shift + Ctrl + C Dialog Ctrl + L Paste Named Shift + Ctrl + V Raise Layer Ctrl + F Lower Layer Ctrl + B Filters Merge Visible Layers Ctrl + M Repeat Last Alt + F Re-show Last Shift

Layers 1 This is the layer tab in GIMP 2 To add a new layer, click the icon on the bottom left of the layer tab. 3 To select a layer, simply click on the layer 4 To rename a layer, doubleclick on the the text of the layer and type in the new name 5 To reorganise layers, drag/move the layer up and down within the tab. 6 The three layer lock options available are paint lock, move lock and transparency When dragging and dropping an image, create new layer below the new image Layer Adjustments 1 For further layer adjustment options, click the layer tab on the top of the screen. - Here there are key

Copy Paste • Edit - Copy Selection • Edit – Paste as a New Layer Check out size of original image Image – Image Properties And determine Move Tool will help you drag to layer or Object to any place you like. Check out Tool Options Tap with 2 choices:  Pick a layer or guide  Move the active layer Josianne Mallia 8 Layer – Transform – Flip Horizontally; Flip Vertically; Rotate clockwise and counterclockwise • Saving As project with new To Transform the layer Layer – Transform – and choose

colors to change the colors. File Ctrl N New image Ctrl O Open image Ctrl Alt O Open image as new layer Ctrl D Duplicate image Ctrl 1 Open recent image 01 Ctrl 2 Open recent image 02 Ctrl 3 Open recent Ctrl Tab Select the layer above PgDn , Shift Ctrl Tab Select the layer below Home Select the first layer End Select the last layer Ctrl M Merge visible layers Ctrl H Anchor layer Selections Ctrl T

that is, the pixels are anti-aliased and/or feathered. Eraser Shift + E Erases pixels from a layer. Airbrush A Paint tool with variable pressure. Ink K Paints anti-aliased lines with a simulation Crops or clips the image. Rotate Shift + R Rotates the active layer, selection or path. Scale Shift + T Scales the active layer, selection or path. GIMP NOTES UNIT IV D e v e l o image to some direction. Perspective Shift + P Changes the perspective of the active layer, selection or path. Flip Shift + F Flips layers and selections. Cage Transform Shift

visibility. Why use an alpha channel? 0 50 100 150 200 250 0 50 100 150 200 250 In GIMP – Layer > Transparency > Add Alpha Channel Colour to Alpha Channel • You can assign a colour to the alpha Click and drag image layer in to the working window of another image • Repeat this until one image has all of the desired layers • Finally, make each layer (except the bottom layer) show only its colour colour, making the underlying layers visible – Layer Dialogue Box -> Mode > ‘Lighten Only’ 15/10/2019 Creating Scientific Figures Scaling Images • GIMP can be used to scale the size of your image

复制图像 Alt Return Image properties 图层 Shift Ctrl N New layer Shift Ctrl D Duplicate layer PgUp 选中上一层 PgDn 选中下一层 Ctrl M 合并可见图层 Ctrl H Anchor layer 工具箱 工具 R Rectangle Select E 椭圆形选择 F 自由选择 Z 模糊选取