Adobe photoshop cs2 ユーザーズマニュアル
320
ADOBE PHOTOSHOP CS2
User Guide
To use the Magic Wand tool
The Magic Wand tool lets you select a consistently colored area (for example, a red flower) without having to trace
its outline. You specify the color range, or tolerance, for the Magic Wand tool’s selection.
its outline. You specify the color range, or tolerance, for the Magic Wand tool’s selection.
You cannot use the Magic Wand tool on an image in Bitmap mode or on 32-bits-per-channel images.
1
Select the Magic Wand tool
.
2
Specify one of the selection options in the options bar. The Magic Wand tool’s pointer changes depending on
which option is selected.
A B
C D
Selection options
A. New B. Add To C. Subtract From D. Intersect With
A. New B. Add To C. Subtract From D. Intersect With
3
In the options bar, specify any of the following:
Tolerance
Determines the similarity or difference of the pixels selected. Enter a value in pixels, ranging from 0 to
255. A low value selects the few colors very similar to the pixel you click. A higher value selects a broader range of
colors.
colors.
Anti-aliased
Defines a smooth edge.
Contiguous
Selects only adjacent areas using the same colors. Otherwise, all pixels in the entire image using the
same colors are selected.
Sample All Layers
Selects colors using data from all the visible layers. Otherwise, the Magic Wand tool selects colors
from the active layer only.
4
In the image, click the color you want to select. If Contiguous is selected, all adjacent pixels within the tolerance
range are selected. Otherwise, all pixels in the tolerance range are selected.
Selecting a specific color or color subset
The Color Range command selects a specified color or color subset within an existing selection or an entire image.
If you want to replace a selection, be sure to deselect everything before applying this command. The Color Range
command is not available for 32-bits-per-channel images.
If you want to replace a selection, be sure to deselect everything before applying this command. The Color Range
command is not available for 32-bits-per-channel images.
To refine an existing selection, use the Color Range command repeatedly to select a subset of colors. For example, to
select the green areas in a cyan selection, select Cyans in the Color Range dialog box, and click OK. Then reopen the
Color Range dialog box, and select Greens. (The results are subtle because the technique selects parts of colors within
a color mix.)
select the green areas in a cyan selection, select Cyans in the Color Range dialog box, and click OK. Then reopen the
Color Range dialog box, and select Greens. (The results are subtle because the technique selects parts of colors within
a color mix.)
To select a color range using sampled colors
1
Choose Select > Color Range.
2
For Select, choose the Sampled Colors tool
.