Issue with Selective Color Transformation's "Adjust Saturation Only" Limit for Hues Not on Major Axes

[jfoster]

Issue with Selective Color Transformation's "Adjust Saturation Only" Limit for Hues Not on Major Axes

When using the Selective Color Transformation, the "S" (Adjust Saturation Only) radio button appears to work as expected for control points that originate along the 6 major hue axes. However, if the original hue is between the major axes (between magenta and red, say), the adjustment point tends to drift toward the nearest major axis.

To reproduce the issue:

1. Start PWP 8.0.530
2. Create a Color Wheel test pattern
3. Add the Selective Color Transformation after the test pattern
4. Select the Adjust Saturation Only radio button ("S")
5. Add a control point to the Transformation by clicking a highly saturated color point about midway between red and magenta
6. Position the mouse pointer over the newly created control point in the transformation. Depress and hold the mouse button
7. With the mouse button held (i.e. while grasping the control point) move the mouse in a circular motion
8. Note that the control point adjustment tends to drift toward the closest major hue axis rather than staying constrained to the original hue

Jeff

[jsachs]

Fixed for next release.