Hi,
I never done that before and don't know if I understood it correctly…
I have a scene (liquid container plus a semi transparent splash via particles)
and want to render the container and the splash into seperate layers and
compose them later in COPs.
I thought I render the liquid with a standard zDepth-map and
the splash with a deep camera map.
Is this generally OK (can I combine images with standard zDepth and deep maps),
or may I stumble about something I didn't take into account..?
Cheers
Noob question: Deep camera map
6819 3 1- botti
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botti
Hi,
I never done that before and don't know if I understood it correctly…
I have a scene (liquid container plus a semi transparent splash via particles)
and want to render the container and the splash into seperate layers and
compose them later in COPs.
I thought I render the liquid with a standard zDepth-map and
the splash with a deep camera map.
Is this generally OK (can I combine images with standard zDepth and deep maps),
or may I stumble about something I didn't take into account..?
Cheers
Deep camera maps are new, so all questions could be considered Noob ;-)
A deep camera map stores color information for all z-depths. I don't know if anyone has comp'ed a standard z-depth image with a deep camera image before. I've only seen deep camera images comp'ed with DCMs.
You might have to go into VEX to get proper z-depth blending of the images. The shadowmap() function can be used to grab color channels from the DCM. Alternatively, there are the new dsmpixel() functions.
Since I'm assuming the liquid is transparent, you might have to render the liquid as a DCM too – then use the dsmmerge output driver to do the comp'ing.
The other alternative is to render the liquid or splash as a DCM, then use it as a background image when rendering in mantra (add the “Background Image” property to the camera). When a DCM is used there, proper z-depth occlusion will occur.
Hope this helps,
- botti
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- silvina
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