Adobe Photoshop CS4 User Manual
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USING PHOTOSHOP CS4
3D and technical imaging
Last updated 1/10/2010
3
Click in the image to add a count marker and label:
•
To move a count marker, move the pointer over the marker or number until the cursor changes to the direction
arrows, then drag. (Shift-click to constrain the drag horizontally or vertically.)
•
Alt-click (Windows) or Option-click (Mac
OS) to remove a marker. The total count is updated.
•
Click Clear in the options bar to reset the count for the currently selected count group to
0.
Note: Counts already recorded in the Measurement Log are not changed by clearing count numbers from the image.
4
(Optional) To change count groups, select a different group from the Count Group menu, or click the folder icon
to create a count group. Subsequent clicks update the currently selected count group.
5
(Optional) To display or hide the count numbers:
•
Choose View
> Show
> Count.
•
Choose View
> Extras, View
> Show
> All, or View
> Show
> None.
6
(Optional) Choose Analysis > Record Measurements or click Record Measurements in the Measurement Log panel
to record the count number to the Measurement Log.
Note: To record a count to the Measurement Log, you must have Count selected as a measurement data point. Choose
Analysis > Select Data Points
> Custom and select the Count data point in the Count Tool area.
7
(Optional) Choose File > Save to save any count numbers and count groups you’ve added to the image.
Automatic counting using a selection (Photoshop Extended)
Use the Photoshop automatic counting feature to count multiple selection areas in an image. Define selection areas
using the Magic Wand tool or the Color Range command.
1
Select the Magic Wand tool, or choose Select > Color Range.
2
Create a selection that includes the objects in the image that you want to count. For best results, use an image with
objects that contrast well against their background.
•
If you are using the Magic Wand tool, increase or decrease the Tolerance option to optimize the selection of the
objects you want to count in the image. Deselect the Anti-alias and Contiguous options.
•
3
Choose Analysis > Select Data Points
> Custom.
4
In the Selections area, select the Count data point and click OK.
5
Choose Window > Measurement Log.
6
Choose Analysis > Record Measurements, or click Record Measurements in the Measurement Log. (If this option
isn’t available, select a tool other than the Count tool.)
Photoshop counts the selection areas and enters the number in the Count column in the Measurement Log.
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