Adobe PHOTOSHOP 5.0 User Manual page 116

108 CHAPTER 6
Making Color and Tonal Adjustments
To display or hide color sampler information in the
Info palette:
Choose Show Color Samplers or Hide Color
•
Samplers from the Info palette menu.
To place a color sampler:
Select the color sampler tool ( ), and click where
you want to place it.
To set the area measured by the color sampler tool:
Select the color sampler tool ( ).
1
Choose Window > Show Options.
2
3 Choose what to sample:
Point Sample to read the value of a single pixel.
•
3 by 3 Average to read the average value of a
•
3-by-3 pixel area.
5 by 5 Average to read the average value of a
•
5-by-5 pixel area.
To delete a color sampler:
Select the color sampler tool ( ).
1
Delete the color sampler:
2
Drag the sampler out of the document window.
•
Hold down Alt (Windows) or Option (Mac OS),
•
and click the sampler.
To move a color sampler:
1 Select the color sampler tool ( ).
2 Drag to the new location.
Note: The sampler does not move to the new location
until you release the mouse button.
To change the color space in which a color sampler
displays values:
Move the pointer onto the color sampler icon in
1
the Info palette.
Hold down the mouse button and choose a
2
color space from the menu.
To use the Info palette to preview color changes:
Choose Window > Show Info. (See "Using the
1
Info palette" on page 30 for information on the
Info palette display options.)
Place one or more color samplers if desired. As
2
with the eyedropper tool, the color sampler reads
a 1-by-1, 3-by-3, or 5-by-5 pixel area.
Open a color adjustment dialog box (see "Using
3
color adjustment commands" on page 105).
Move the pointer over an area of the image you
4
want to examine. The eyedropper reads the value
of a single screen pixel, a 3-by-3 screen pixel area,
or a 5-by-5 screen pixel area, depending on the
Sample Size option chosen in the Eyedropper
Options palette. (See "Using the eyedropper tool"
on page 214.)
Note: Opening a color adjustment dialog box
activates the eyedropper tool outside the dialog box.
However, you still have access to the scroll controls
and to the hand and zoom tools when using
keyboard modifier keys.
Make any color adjustments, and before
5
applying them, view the before and after color
values in the Info palette.