GIMP tools - BDA

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<strong>GIMP</strong> 106 Mode and Opacity have already been discussed. Adjustment: o Size – the width of the pen’s nib. The higher the value, the wider the stroke. o Angle – the apparent angle of the image sheet and the pen. Sensitivity: o Size – the size of the stroke. he higher value, the wider the stroke. o o Tilt – the apparent tilt of the image sheet and the tool. Speed – the apparent speed of the pen when drawing. The faster you draw, the narrower and shallower the stroke. Type – the shape of a nib. After you choose the Shape in the options window, you can adjust the type by holding down a white square at the centre of the Shape icon. LAYERS Working on layers is similar to editing the image that is in a slide. If a layer has a transparent area, you can see the image beneath it. Using layers you have more options to create and edit images. Layers may be reversed. If you remove the top layer, you can see the image in the layer below it. Each layer may be modified individually or removed without affecting other layers. Layers may be merged, temporarily hidden. The number of the layers used is limited only by the size of the computer's memory. A layer can divide an image into several elements so that you could work on them individually. How do layers work? It can be explained by the following example. We have several glass sheets with images or objects painted on them. Glass sheets are stack on each other. When you look at
107 them, you see the overall image. Every glass sheet is a layer. Every new layer is transparent and you can paint any image on it. When one glass sheet is removed, the overall image hardly changed and one element is moved to the side. If the whole image were on one glass sheet, we could not do that. So, moving individual elements is one of the key functions of layers. Let's say that we have removed certain glass sheets, certain elements of the image have disappeared but they can be added at any time. In <strong>GIMP</strong> such action is possible when all layers are temporarily disabled. Using layers Open a new document through FileNew.... In the Layers dialog you can see only one layer named Background: The image has one main layer without the Alpha channel. To add a layer with this channel, open a context menu by selecting Add Alpha Channel from the drop-down list in the Background layer. Remember that most of the operations with layers cannot be performed without the Alpha channel. This channel may be removed by selecting Remove Alpha Channel in the list of commands in the context menu. It is a "glass sheet" without any image on it. Select a brush and make a few strokes. Creating a new layer To create a new layer, click on the Create a new layer and add it to the image button in the Layer menu. A New Layer dialog opens:
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STUDENT’S BOOK GIMP This work is
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3 Foreground & Background Colors __
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5 Copying and merging layers ______
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7 Round corners ___________________
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9 Introduction Gimp 1 is a graphics
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11 Environment This dialog lets you
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13 Theme This section lets the user
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15 If the Use “Dot for dot” by
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17 space. If you can choose between
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19 When you save a file in this for
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21 If you need to change a folder o
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23 There is no need to select more
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25 Image Window GIMP lets you work
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27 If the drop-down list does not i
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29 Pixel is a single point in the i
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31 RGB model Colours are represente
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33 3) from the keyboard using an ac
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35 1. Replace the current selection
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37 In the selection, corners the po
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39 Guides 18 - you can choose the t
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41 We already know the first three
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43 the mouse pointer inside the pat
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45 Select the adjacent white areas
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47 Foreground Select Tool lets you
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49 context menu and select Alpha to
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51 You have to clone some of the st
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53 a) Standard Toolbox b) Tools ico
Page 55 and 56: 55 At first select one of the three
Page 57 and 58: 57 Moving Brightness and Contract s
Page 59 and 60: 59 Levels When working with a low d
Page 61 and 62: 61 Curves This tool changes the col
Page 63 and 64: 63 Reducing the value reduces the n
Page 65 and 66: 65 Select the operation from the Op
Page 67 and 68: 67 2. Access the command through Co
Page 69 and 70: 69 The dialog box has two groups of
Page 71 and 72: 71 a) Original image b) After the c
Page 73 and 74: 73 When you open an image and use t
Page 75 and 76: 75 14. Now try to blur the boundari
Page 77 and 78: 77 Tool Name of the tool Shape of t
Page 79 and 80: 79 Tool Name of the tool Shape of t
Page 81 and 82: 81 The dialog box displays the foll
Page 83 and 84: 83 Scale allows you precisely to mo
Page 85 and 86: 85 not added together. Activate Inc
Page 87 and 88: 87 o o BG color fill - the fill col
Page 89 and 90: 89 Thresholds = 15 Thresholds = 35
Page 91 and 92: 91 It should be mentioned that the
Page 93 and 94: 93 The Clone method mixes strokes w
Page 95 and 96: 95 The Perspective Clone Tool has t
Page 97 and 98: 97 Healing Select the Healing Tool
Page 99 and 100: 99 9. Name the image, indicate the
Page 101 and 102: 101 The operations performed by thi
Page 103 and 104: 103 Colour picking Pick a foregroun
Page 105: 105 Type - to choose the effect of
Page 109 and 110: 109 layer is highlighted by a darke
Page 111 and 112: 111 The layer is selected and moved
Page 113 and 114: 113 Copying and merging layers Sele
Page 115 and 116: 115 Mode Description appearance. Th
Page 117 and 118: 117 Name of the command Layer to Im
Page 119 and 120: 119 Disable the Quick Mask mode. In
Page 121 and 122: 121 9. The selected lilies are copi
Page 123 and 124: 123 2. Reverse the layers. In the L
Page 125 and 126: 125 colour (ffffff) The top part of
Page 127 and 128: 127 Font - you can select a font an
Page 129 and 130: 129 There is only the Background la
Page 131 and 132: 131 The text is hardly legible. Cha
Page 133 and 134: 133 Thus, it is not recommended to
Page 135 and 136: 135 Edit Mode allows you selecting
Page 137 and 138: 137 In this mode you can fully edit
Page 139 and 140: 139 Create a new name of the path i
Page 141 and 142: 141 Close Tab - you can close the a
Page 143 and 144: 143 Every point (pixel) is a combin
Page 145 and 146: 145 Repeat steps 1-4. 5. Set the sl
Page 147 and 148: 147 Open the list of special comman
Page 149 and 150: 149 In the middle of the dialog, yo
Page 151 and 152: 151 Press the left mouse button and
Page 153 and 154: 153 You have just performed four ac
Page 155 and 156: 155 Below you can find lists where
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157 You can set a colour using slid
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159 In the Change Foreground Color
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161 Button Name Description o angle
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163 5. Create a copy of the petal a
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165 1. Open a website where you fou
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167 Button Name Description New gra
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169 Click on the colour and it is a
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171 Buffers It is an exchange buffe
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173 At the bottom of the tab dialog
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175 Button Name Description Name -
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177 Error console This dialog displ
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179 It is applied to cover unwanted
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181 a) original image b) image afte
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183 2. Apply FiltersBlur Pixelize c
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185 Motion blur The filter creates
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187 B. 1. Select FileOpen command t
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189 Enhance filters The filters of
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191 The filter is designed to remov
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193 Red eye removal This filter doe
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195 Filter name Short description W
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197 Filter name Short description C
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199 A. c) Opacity - 100; Curl Locat
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201 3. Set the following parameters
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203 The colour of battens depends o
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205 a) original image b) after the
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207 How to use this filter? 1. Open
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209 Curve bend The filter distorts
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213 Apply Lens - create an effect o
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215 o Center - set the coordinates
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217 Center of Nova - choose the loc
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221 To apply the filter to a word,
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223 The slider of the Value scale i
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225 If checked, the Independent RGB
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227 1. Open an image; 2. Choose Fil
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229 Enter values to the matrix boxe
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231 1. Open image oil_1.jpg; 2. App
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233 TASK. Open image can_1.jpg and
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235 Cubism This filter modifies the
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237 c) 1. Open image kub_1.jpg; 2.
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239 a) original image b) image afte
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241 a) original image b) after the
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243 Check the Add drop-shadow check
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245 The filter adds a fuzzy, blurre
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247 Delta value on color - make the
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249 If checked, the Work on copy ch
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251 Font color - yellow (HTML notat
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253 Filter name Designation Render
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255 The Number of Titles group-box
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257 The Width parameter sets the wi
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259 The filter covers all layers or
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261 5. Apply FiltersRenderLava comm
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263 Circuit The filter create appli
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265 4. Select the Bucket Fill Tool
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267 24. Paint a mouth. To open a ne
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269 3. As a drop-down list of file
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271 RGB RGB is the default color mo
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273 By means of the color model sel
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275 If the working window (canvas)
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277 Apply ImageGuidesNew Guide (by
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279 ImageGuidesNew Guides from Sele
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281 one of the selected units becau
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283 2. Press Smurge Tool . Remove t
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285 3. To make it easier to retouch
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287 6. Now invert colors. Apply Col
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289 11. Now, we will retouch the ey
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291 a) objects selected in the mask
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293 6. Move the Background layer up
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295 a) before the filter is applied
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297 7.2. Apply Filters ArtisticWeav
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299 Before designing such a "busine
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301 6.2. Apply EditCopy command; 6.
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303 3. Go back to RGB color model.
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305 7. Press the Flip Tool. Select
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307 8. Draw the luminous windows fo
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309 15. We will now use the filter
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311 24.1. Drag the corners of the s
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313 12. Enter text TALLINN KOOLITUS
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315 2.1. Enter the banner text to t
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317 23. Choose Filters Light and Sh
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319 13. In the Paths dialog, click
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321 3. Make sure that the options d
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323 9. Change the layer properties
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325 5.3. Press OK; 6. In the Layers
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327 4. Select the Blend Tool and ad
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329 23. We may apply various filter
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