object render order

[Lisa S. Avila]

>As for the render order, it is absolutely essential that you draw the
>translucent actor after the other ones.

The VTK render process draws all opaque geometry, then all translucent
geometry. Then it ray casts all props that need ray casting, causes all
props that want to render into their own image to do so, and merges those
results with the geometric rendering. Finally, all overlay actors are drawn. 


Lisa



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