GIMP tools - BDA

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<strong>GIMP</strong> 228 The filters of this group search for borders between different colours and so can detect contours of objects. The filter is most commonly used to make selections. It is first of all advisable to apply the blur filter which flattens small ripples before using the filter of this group. a) the Difference of Gaussians filter is applied. Invert checkbox is checked; b) the Difference of Gaussians filter is applied. Invert checkbox is unchecked c) the Edge filter is applied. Algorithm – Prewit compass is used Generic filters It is a group of filters that do not belong to any other group. Convolution Matrix is the most powerful filter in this group that allows to build custom filters by changing the matrix values. Since all filters use the convolution matrix, we will create a custom filter by entering our values. Select FiltersGeneric Convolution Matrix command to open the dialog box:
229 Enter values to the matrix boxes. The below-listed matrix values create certain effects. a) Sharpen effect b) Blur effect c) Edge-Detect effect d) Edge Enhance effect e) Emboss effect Custom filters are usually built by professionals. ARTISTIC FILTERS These filters imitate various styles and methods of painting. We may create the effects of comics, oil painting, canvas instead of paper. Oilify This filter makes the image look like an oil painting. How to use this filter? 1. Open an image. 2. Apply Filters ArtisticOilify command. Once the Oilify dialog box opens, set the two main parameters:
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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
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55 At first select one of the three
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57 Moving Brightness and Contract s
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59 Levels When working with a low d
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61 Curves This tool changes the col
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63 Reducing the value reduces the n
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65 Select the operation from the Op
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67 2. Access the command through Co
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69 The dialog box has two groups of
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71 a) Original image b) After the c
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73 When you open an image and use t
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75 14. Now try to blur the boundari
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77 Tool Name of the tool Shape of t
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79 Tool Name of the tool Shape of t
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81 The dialog box displays the foll
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83 Scale allows you precisely to mo
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85 not added together. Activate Inc
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87 o o BG color fill - the fill col
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89 Thresholds = 15 Thresholds = 35
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91 It should be mentioned that the
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93 The Clone method mixes strokes w
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95 The Perspective Clone Tool has t
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97 Healing Select the Healing Tool
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99 9. Name the image, indicate the
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101 The operations performed by thi
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103 Colour picking Pick a foregroun
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105 Type - to choose the effect of
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107 them, you see the overall image
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109 layer is highlighted by a darke
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111 The layer is selected and moved
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113 Copying and merging layers Sele
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115 Mode Description appearance. Th
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117 Name of the command Layer to Im
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119 Disable the Quick Mask mode. In
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121 9. The selected lilies are copi
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123 2. Reverse the layers. In the L
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125 colour (ffffff) The top part of
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127 Font - you can select a font an
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129 There is only the Background la
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131 The text is hardly legible. Cha
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133 Thus, it is not recommended to
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135 Edit Mode allows you selecting
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137 In this mode you can fully edit
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139 Create a new name of the path i
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141 Close Tab - you can close the a
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143 Every point (pixel) is a combin
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145 Repeat steps 1-4. 5. Set the sl
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147 Open the list of special comman
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149 In the middle of the dialog, yo
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151 Press the left mouse button and
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153 You have just performed four ac
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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 -
Page 177 and 178: 177 Error console This dialog displ
Page 179 and 180: 179 It is applied to cover unwanted
Page 181 and 182: 181 a) original image b) image afte
Page 183 and 184: 183 2. Apply FiltersBlur Pixelize c
Page 185 and 186: 185 Motion blur The filter creates
Page 187 and 188: 187 B. 1. Select FileOpen command t
Page 189 and 190: 189 Enhance filters The filters of
Page 191 and 192: 191 The filter is designed to remov
Page 193 and 194: 193 Red eye removal This filter doe
Page 195 and 196: 195 Filter name Short description W
Page 197 and 198: 197 Filter name Short description C
Page 199 and 200: 199 A. c) Opacity - 100; Curl Locat
Page 201 and 202: 201 3. Set the following parameters
Page 203 and 204: 203 The colour of battens depends o
Page 205 and 206: 205 a) original image b) after the
Page 207 and 208: 207 How to use this filter? 1. Open
Page 209 and 210: 209 Curve bend The filter distorts
Page 213 and 214: 213 Apply Lens - create an effect o
Page 215 and 216: 215 o Center - set the coordinates
Page 217 and 218: 217 Center of Nova - choose the loc
Page 221 and 222: 221 To apply the filter to a word,
Page 223 and 224: 223 The slider of the Value scale i
Page 225 and 226: 225 If checked, the Independent RGB
Page 227: 227 1. Open an image; 2. Choose Fil
Page 231 and 232: 231 1. Open image oil_1.jpg; 2. App
Page 233 and 234: 233 TASK. Open image can_1.jpg and
Page 235 and 236: 235 Cubism This filter modifies the
Page 237 and 238: 237 c) 1. Open image kub_1.jpg; 2.
Page 239 and 240: 239 a) original image b) image afte
Page 241 and 242: 241 a) original image b) after the
Page 243 and 244: 243 Check the Add drop-shadow check
Page 245 and 246: 245 The filter adds a fuzzy, blurre
Page 247 and 248: 247 Delta value on color - make the
Page 249 and 250: 249 If checked, the Work on copy ch
Page 251 and 252: 251 Font color - yellow (HTML notat
Page 253 and 254: 253 Filter name Designation Render
Page 255 and 256: 255 The Number of Titles group-box
Page 257 and 258: 257 The Width parameter sets the wi
Page 259 and 260: 259 The filter covers all layers or
Page 261 and 262: 261 5. Apply FiltersRenderLava comm
Page 263 and 264: 263 Circuit The filter create appli
Page 265 and 266: 265 4. Select the Bucket Fill Tool
Page 267 and 268: 267 24. Paint a mouth. To open a ne
Page 269 and 270: 269 3. As a drop-down list of file
Page 271 and 272: 271 RGB RGB is the default color mo
Page 273 and 274: 273 By means of the color model sel
Page 275 and 276: 275 If the working window (canvas)
Page 277 and 278: 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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