Forums Technical Discussion Texture on geo as a matte

Texture on geo as a matte

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bobster
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So I'm trying to use a projected texture from camera on a grid as a matte object. The texture has an alpha but when used as a matte object it will only use the grid geo as the matte. Is there anyway to use the texture applied to the grid as the matte?
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tamte
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look at the file
very quick made, but you can get the idea

Attachments:
texture_matte.hip (97.4 KB)

Tomas Slancik
FX Supervisor
Method Studios, NY
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bobster
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What decompression software does that need? I've never seen that file format before. Is that for linux? Can you compress it for mac or windows?
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tamte
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bobster
What decompression software does that need? I've never seen that file format before. Is that for linux? Can you compress it for mac or windows?

no compression
it's a regular .hip file you need only houdini to open this
created on H9.5.231, WinXP 32
do you have any problems opening it?
Tomas Slancik
FX Supervisor
Method Studios, NY
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bobster
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Got it. There was a weird extension added when I tried to download it on my mac. On linux it's good.

The texture is not matting out during render. Only visually in viewport.
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tamte
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here is the render from that file, i don't know if it's what you want, but it's matting the background objects by texture alpha

Attachments:
texture_matte.jpg (60.1 KB)

Tomas Slancik
FX Supervisor
Method Studios, NY
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phillmayer
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tamte
look at the file
very quick made, but you can get the idea


That was super helpful, thanks!
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skalape
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tamte
look at the file
very quick made, but you can get the idea


Thanks a lot Tamte
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skalape
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Thanks, exactly what I needed.
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