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The hue editor is shown below.
Width slider
To edit the hue curve, click once in the edit window to activate
the hue editor, then click the point on the curve where it inter-
sects with the portion of the background showing the hue you
want to edit. To determine the hue of a specific pixel in the input
image, move the cursor over the pixel. The point correspond-
ing to the hue of the selected pixel will be highlighted in the hue
editor. You can then drag this point up or down until it in inter-
sects with the background color that coincides with the hue
you want to appear in the output.
Reference: The Tool Chest
The other controls in the hue editor are described below.
Item
Width slider
Output
slider
Scale button
Scale button
Output
slider
Description
Adjusts the width of the curve that passes
through the selected point, enabling you to
determine what hues in the vicinity of the
selected point are affected by the change.
Changes the vertical scale from 60 through
120 to 180 and back again (the vertical
scale indicates what portion of the hues in
the full range of 360 range are displayed on
the vertical axis). Increasing the scale gives
you more hues from which to choose when
editing hue, while lowering the scale increases
precision.
Maps all hues in the input to different output
hues.
Restores the hue curve to linear. Control-
click (Windows) or command-click
(Macintosh) to restore the curves for lumi-
nosity, chroma, and hue to linear.
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