Transcript Document 7281974

Adobe Photoshop
Ch 5 Notes
Selecting Image Content
Marquee Tool
Use the Marquee Tool to make selections
that are regular in shape
• Rectangles
• Squares
• Ovals
• Circles
Right click on the Marquee Tool to
access
• Rectangular Marquee Tool –rectangular
selection
• Elliptical Marquee Tool – for a round or
elliptical selection
• Single Column or Single Row Marquee
Tool – to select a one-pixel wide area in
the image. You can cut, copy or paste the
selection to use as a border in another
image.
Lasso Tool
• For making selections that are not typical
or symmetrical in shape. For selecting an
irregular area.
Lasso Tool
• Lasso - You can select an irregular area by dragging
• Polygonal Lasso - You can select a polygon by clicking
to place the angles in an image that has a lot of angles
or corners
(you can use the Alt key while using either the Lasso tool
or Polygonal Lasso tool to switch between freehand
drawing and clicking to set corner points
Press Delete while using any Lasso tool to remove the
most recently drawn selection segment.)
• Magnetic Lasso - Get help selecting an irregular area by
snapping to fastening points along the edge of a shape
in an image.
Magic Wand Tool
• Use this tool if all the pixels in the area
that you want to select are about the
same color and adjoin one another in
the image, you can use the Magic Wand
tool to select the area by clicking.
Selecting Pixels with the Magic
Wand
• Click on the Magic Wand Tool in the
Photoshop toolbox
• Click on the New selection
the Options Bar, if needed
button on
• Change other Settings on the Options
Bar as needed.
Selecting Pixels with the Magic
Wand continued.
• Change the Tolerance
text box entry
(between 0 and 255)
to specify how much variation can occur
between the colors included in the
selection.
(a low entry results in a smaller selection
zone composed of fewer like colors, and
vice versa)
Selecting Pixels with the Magic
Wand continued. . .
• Leave the Anti-aliased check box checked.
The tool will smooth the edges of the
selection
• Leave the Contiguous check box checked.
The tool will then select the matching
colors on all layers in the picture.
• Click on the desired image color with the
Magic Wand tool. The selection marquee
will appear on the image.
Selecting by Color Range
• Works sort of like Magic Wand Tool
(except that it lets you select all the pixels
of the specified color in the image—not
just adjoining or contiguous pixels.)
Steps for Selecting by Color Range
•
•
•
•
Click on Color Range
The Color Range dialog box will open
Click on a Selection Type in the Select List
Drag Fuzzines slide to adjust the setting if
needed
• Click on the Eyedropper Tool to select it
• Click on the desired color in the picture.
• Click OK
Deselecting a Selection
1. Click on Select
2. Click on Deselect