Digital Media 11 – Photoshop
MAKING
SELECTIONS
Chapter Lessons
• Make a selection using shapes
• Modify a marquee
• Select using color and modify a selection
• Add a vignette effect to a selection
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Making Selections
Combining Images
• Most Photoshop images are created using
compositing:
– Combining images from different sources
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Sources for Images
• Other Photoshop images
• Royalty-free images
• Pictures from digital cameras
• Scanned artwork
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Understanding Selection Tools
• Selection tools are used to select
images in order to modify them
• Two selection methods are available:
– Using a tool
– Using color
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Choosing a Selection Tool
• Examine images to evaluate selection
options
• Learn how to identify edges to use to
isolate imagery
• Learn how to spot colors that can be
used to isolate a specific object
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Make a Selection Using Shapes
Selecting by Shape
• Use Freeform tools to select irregular
shapes
– Click the tool on the toolbox, then drag
the pointer around the object
• Use Fixed-Area tools to select
objects that are rectangular or elliptical
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Selection Tools Available
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Understanding Marquees
• A selected shaped is
enclosed by a
marquee
Elliptical
Marquee
Marquee
surrounding an
irregular shape
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Fastening Points
• An anchor within the marquee
• Created each time the Selection tool is
clicked
• Visible when Polygonal or Magnetic Lasso
tools are used to select an object
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Working with Selections
• Move a selection
• Copy a selection
• Transform a selection
• Make adjustments to a selection
• To deselect an image, click Select on the
menu bar, then click Deselect
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Placing a Selection
• Copy or cut a selection, then paste
it to a different location or to a
different image
• Use the Move Tool to drag a
selection to a new location
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Selection Tasks
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Using Guides
• Non-printable horizontal and
vertical lines
• Used to help position a selection
• To create a guide, position the
pointer on either ruler, then
click and drag the guide into
position
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Using the Magnetic Lasso Tool
• Use the Magnetic Lasso tool to
select an irregular shape
• Click the tool on the edge of the
shape to create a fastening point
• Drag the pointer around the shape
• Click directly over the initial
fastening point to close the shape
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Magnetic Lasso Tool Settings
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Tips for Making Selections
• Move the mouse slowly
• Keep your hand steady
• Make sure your mouse is well cared
for and functioning properly
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Modify a Marquee
Changing the Size of a Marquee
• Use selection buttons from the
options bar to:
– Add to and subtract from a marquee
– Intersect with a selection
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Expanding a Marquee
Marquee
surrounds
rectangle
Selection
expanded to
include three
shapes
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Marquee
expanded
by 5 pixels
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Marquee Modifications
•
•
•
•
Expand a marquee
Contract a marquee
Smooth out the edges of a marquee
Enlarge a marquee and add a
border
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Select Using Color and Modify a
Selection
Selection Options
• Use the Color Range command
on the Select menu
OR
• Use the Magic Wand Tool on the
toolbox
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Using the Color Range
Command
• Select the Color Range
command to open the Color
Range dialog box
• Identify which colors to use to
make a selection
• Exclude colors, if necessary
• Click Select on the menu bar, then
click Color Range to open the
Color Range
dialog
box
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Magic Wand Tool Options
• Four selection buttons
• Tolerance setting used to specify
whether similar pixels will be
selected
• Anti-aliased check box used to
soften the appearance of the
selection
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More Magic Wand Tool Options
• Contiguous check box used to
select pixels that are next to one
another
• Use All Layers check box used to
select pixels from all layers
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Selection Tips
• Identify the shape to select
• Assess the qualities of the object
• Decide which method to use: color or
magic wand
– Color: object includes common colors
– Magic wand: object includes identifiable
edges and a definable shape
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Transforming a Selection
• You transform a selection by
changing its size and other qualities
– Click Edit on the menu bar, point to
Transform then select one of the
Transform commands
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Flipping a Selection
• Transform a selection by flipping it
(changing its direction):
– Click Edit on the menu bar
– Point to Transform, then click Flip
Horizontal
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Healing Brush Tool
• Use the Healing Brush Tool on the
toolbox to fix imperfections in an
image
• Example of imperfections:
– Dirt and scratches in a picture
– Wrinkles on a face
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Add a Vignette Effect to a
Selection
Defining Vignettes
• A picture or portrait whose border
fades into the surrounding color at
its edges
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Uses for Vignettes
• Give an image an old-world
appearance
• Tone down an overwhelming
background
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Vignette Characteristics
• A vignette effect uses feathering to fade a
marquee shape
• The feather setting blurs the area between
the selection and the surrounding pixels
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Vignette Example
Before Vignette
applied to
Background
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After Vignette
applied to
Background
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Creating a Vignette
• Use a marquee or lasso tool to create a
marquee in an image layer
• Modify the feather setting to increase the
blur effect
• Add the vignette effect to the layer:
– Click Layer on the menu bar
– Point to Add Layer Mask
– Click Reveal Selection
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Chapter C Tasks
•
•
•
•
•
•
•
Understand selection tools
Use Fixed-Form & Freeform selection tools
Modify selections
Modify a marquee
Use the Color Range command and the Magic
Wand tool
Use the Healing Brush tool
Add a vignette to a selection
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