Graphics Programs Reference
In-Depth Information
14. Play around with RolloffContrast2's Center property. When you are finished, set
the value to 0.
Here you can see what actually happens when you play with the Center slider. It
movesthepointthatdefineswherethelowlightsandhighlightsare.Whenleaving
thecenterat1,youcanseethatthecurveisidenticaltoaMultiplycurve( FIGURE
4.15 ) .
Figure 4.15. A Center value of 0 makes Contrast behave like Multiply.
 
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