Advance
Digital Image
Enhancement Method
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Selections Techniques:
Reading: Chapter 2 "Selection
Primer" - Studio
Techniques
by Ben Wilmore |
Lesson
1: Review Adding and Subtracting
Selections:
Keystrokes
are for Windows... For lesson with Macintosh keystrokes
Click here |
Objective:
To learn how to add and subtract selections. |
Reminder: |
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[Shift+tool] adds to selection; [Alt+tool] subtracts from selection
[While selecting: Hold down "Spacebar" to move the selection
release it to resize the selection] [Ctrl+Z] will revert to last
selection
[Double click] any tool to see "Alt" settings
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1.
Open "Selection.psd"
file.
2. Make the "Background" layer active
3. Using the "Rectangle Marquee" tool: |
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Form a "T" shape selection over the mushroom by "adding"
two selection:
a)
Select the top half
b) With the [Shift] key down, add
the bottom 1/2 to the selection
{when done, press [Ctrl+D] to deselect
the selection}
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Form a "T" shape selection over the mushroom by "subtracting"
two selection:
a)
Select the entire mushroom
b) With the [Alt] key down, subtract
the bottom right of selection
c) With the [Alt] key down, subtract
the bottom left of selection
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