1. © 2016 Pearson Education, Inc., Hoboken, NJ. All rights reserved.
"Digital Media Primer" Yue-Ling Wong, Copyright (c)2016 by Pearson Education, Inc. All rights reserved.
© 2016 Pearson Education, Inc., Hoboken, NJ. All rights reserved.

2. Chapter 3 Capturing and Editing Digital Images
Part 5
Selection Tools and Layer Basics
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3. In this lecture, you will learn:
the common selection tools for digital image editing
the layer basics for digital image editing
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4. Selection in Image Editing
Crucial in image editing
Let you apply image effect (such as tonal or color changes) on the selected area
Let you move the selected area
The nonselected area is protected from the alteration
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5. © 2016 Pearson Education, Inc., Hoboken, NJ. All rights reserved.
Categories of Selection Tools in terms of the way they are designed to work
Predefined shapes
Lasso
By color
By painting with a brush
By drawing an outline around the area
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Predefined Shapes
Marquee tools
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Lasso
Lasso tools
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8. By Color: Quick Selection and Magic Wand
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By Color: Color Range
Select > Color Range...
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10. By Painting with a Brush
Edit in Quick Mask Mode
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By Drawing an Outline
Pen tool
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Combining Selections
Add
Subtract
Intersect
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Inverting Selection
Select > Inverse
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14. Saving and Loading Saved Selections
Select > Save Selection...
Select > Load Selection...
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15. © 2016 Pearson Education, Inc., Hoboken, NJ. All rights reserved.
Also check out the screen capture video on:
Photoshop Basics: Selection
A screen capture video give a quick demonstration of some of the selection tools.
© 2016 Pearson Education, Inc., Hoboken, NJ. All rights reserved.

16. © 2016 Pearson Education, Inc., Hoboken, NJ. All rights reserved.
Layer Basics
Stacking order of layers
Reordering layers
Opacity
Blending mode
Create new layer
Delete layer
Rename layer
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17. © 2016 Pearson Education, Inc., Hoboken, NJ. All rights reserved.
Layer: Beyond Basics
Layer style (e.g. drop shadow, bevel effects)
Adjustment layers
Layer mask
Clipping mask
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18. © 2016 Pearson Education, Inc., Hoboken, NJ. All rights reserved.
Clipping Mask Example
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19. © 2016 Pearson Education, Inc., Hoboken, NJ. All rights reserved.
Also check out the screen capture video on:
Photoshop Basics: Using Layers
A screen capture video give a quick demonstration of some of the commonly used features of the Layers panel.
© 2016 Pearson Education, Inc., Hoboken, NJ. All rights reserved.

20. © 2016 Pearson Education, Inc., Hoboken, NJ. All rights reserved.
Review Questions
Note to instructor:
Depending on your preference, you may want to go over the review questions at the end of this lecture as an instant review or at the beginning of next lecture to refresh students' memory of this lecture.
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21. © 2016 Pearson Education, Inc., Hoboken, NJ. All rights reserved.
Review Question
How would you select the two rectangles together? (More than one way to do it)
Select one rectangle first by using select by color (e.g. magic wand tool).
Select the second rectangle using select by color and use "add selection" to add the selection to the first one.
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22. © 2016 Pearson Education, Inc., Hoboken, NJ. All rights reserved.
Review Question
Describe how you may create this image from the one shown in the previous slide.
Put the rectangles on different layers
Apply drop shadow effect (e.g. using Layer > Layer Style > Drop Shadow...) to the layer that contains the blue rectangle.
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23. © 2016 Pearson Education, Inc., Hoboken, NJ. All rights reserved.
Review Question
Suppose you have the image from the one shown in the previous slide. Describe how you would easily modify it into this one:
The layer containing the blue rectangle should be on top of the layer containing the orange rectangle.
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24. © 2016 Pearson Education, Inc., Hoboken, NJ. All rights reserved.
Review Question
How would you select the sky so you can replace it with a more interesting sky image? (More than one way to do it)
Select by color, e.g. magic wand tool
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25. © 2016 Pearson Education, Inc., Hoboken, NJ. All rights reserved.
Review Question
How would you extract the plant from this image, i.e., select everything except the black background? (More than one way to do it)
Select the black background by color, e.g. magic wand tool
Inverse the selection
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