Not sure about your issue there, can't try it at the moment, but I
made a CI Filter to replace the Constant Color patch. It's pretty much
the same, but has size inputs so you can directly output a fixed size
image of a certain colour. I'm pretty sure it'll work with
black/transparent too.

Chris


2009/10/27 George Toledo <[email protected]>:
> Is it not expected that the Sprite in the attached composition would
> "disappear", when the Constant Color patch is set to pure Alpha black,
> and the blend mode is in Over? Also, it seems as though it should look
> "black" if I was to place the blend mode to "Over", but this returns
> no image output from the Constant Color.
>
> In short, if the color value of the Constant Color is set to 0,0,0,0,
> it no longer outputs an image; it shuts down. This test is in Snow
> Leopard, 10.6.1. It would be great to know if this is happening to
> others, or if anyone has ran into this.
>
> I can see an argument for this behavior, but I don't believe it to be
> correct for a wide range of usage scenarios. Changing the actual color
> of the Sprite to reflect the same color values results in expected
> behavior (translucent black at 0,0,0,0.1, and "nothing" at 0,0,0,0).
>
> -George Toledo
>
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