Graphics Programs Reference
In-Depth Information
BecauseyouwanttousetheShadowpass,callthatupinGrade2'sMaskChannel
drop-down menu.
3. InGrade2'sPropertiespanel,changetheMaskproperty'sdrop-downmenu,atthe
bottom, to shdDrop.alpha—calling up the ShdDrop channel set's alpha channel
( FIGURE 3.60 ) .
Figure 3.60. Changing the Mask property's drop-down menu to pick the
correct single channel from the stream.
4. Now use the Gain property's slider or field to bring the color of the shadow down
to 0.25, which should look about right ( FIGURE 3.61 ) .
Figure 3.61. Grade2 only has an effect where the drop shadow should be.
 
 
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