Adobe photoshop cs2 사용자 설명서
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Chapter 12: Selecting
Making selections
Selecting
Making a selection is isolating one or more parts of your image. By selecting specific areas, you can edit and apply
effects and filters to portions of your image while leaving the unselected areas untouched.
effects and filters to portions of your image while leaving the unselected areas untouched.
There are separate sets of tools to make selections of bitmap and vector data. For example, to select bitmap pixels,
you can use the marquee tools or the lasso tools. You can use commands in the Select menu to select all pixels, to
deselect, or to reselect.
you can use the marquee tools or the lasso tools. You can use commands in the Select menu to select all pixels, to
deselect, or to reselect.
To select vector data, you can use the pen or shape tools, which produce precise outlines called paths. For 32-bits-
per-channel images, only the pen tools are available to select vector data. You can convert paths to selections or
convert selections to paths.
per-channel images, only the pen tools are available to select vector data. You can convert paths to selections or
convert selections to paths.
Selections can be copied, moved, and pasted, or saved and stored in an alpha channel. Alpha channels store selections
as grayscale images. You can add alpha channels to create and store masks. A mask is a selection that protects portions
of an image from any editing or manipulations you apply.
as grayscale images. You can add alpha channels to create and store masks. A mask is a selection that protects portions
of an image from any editing or manipulations you apply.
Note: To select a specified color or color subset within an existing selection or an entire image, you can use the Color
Range command.
Range command.
See also
To select all pixels on a layer within the canvas boundaries
1
Select the layer in the Layers palette.
2
Choose Select > All.
To deselect selections
❖
Do one of the following:
•
Choose Select > Deselect.
•
If you are using the Rectangle Marquee tool, the Rounded Rectangle Marquee tool (ImageReady), the Elliptical
Marquee tool, or the Lasso tool, click anywhere in the image outside the selected area.
Marquee tool, or the Lasso tool, click anywhere in the image outside the selected area.
To reselect the most recent selection
❖
Choose Select > Reselect.