CGTalk - Set Matte operator?

16mm

03-25-2006, 07:12 AM

Hello,
I applied a Set matte-operator to the material, so that I could use alpha outside the material, but it only works for 29frames and then it suddenly vanishes. Timeline says the Set Matte is visible and working through all the clip (250frames) but it doesnt look like that in the viewport...
Have I missed something and how to use Set matter throughout the clip?

EDIT: Restart made it working again, ignore this thread :)

EDIT2: No, it's still there. Set Matte input is set to value and blend 100%. Could this be because default still image duration is set to 30frames in preferences? I put it to 300frames but it still doesnt work after frame 29

PiXeL_MoNKeY

03-27-2006, 04:01 PM

The Matte/Alpha needs to have the same number of frames as what it is being applied to. If you have a 300 frame animation and add a still image for the alpha, but its set to 30 frames, you will only get 30 frames of Matte. You need to change the length of the Matte/Alpha in the footage settings, the preference setting only changes for when you initially import/open the footage, not after its in the workspace.

-Eric

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03-27-2006, 04:01 PM

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