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diemacht 1,045 posts
i had a project where the z-depth totally screwed up somehow so is it possible to render out the zdepth pass(or the render elements all togeter because other passes were gliched too) without to render the "normal" image because it takes too long
i could put standart material on the stuff and render it again but i think its not the smartest way becase i already have data of 35 gigs (full hd unfortunately) (for a 12 second animation)
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DarkNemos 197 posts
Ofcourse there is (if i understood you correctly)
Take a look at this tutorial
http://www.onnovanbraam.com/index.php?t ... _of_field/
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diemacht 1,045 posts
Thank You DarkNemos for the quick answer but this isnt what im looking for.
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anim84food 9 posts
I don't know of a way to render just the elements without rendering the normal image, too. I've rendered depth passes using a material with a falloff map (set to depth) in the diffuse slot with a self illumination of 100%. Apply that material to everything in your scene, then you can control your near and far distances. If you turn off all your lights, etc., your render should go pretty quickly. Depending on what version of MAX you're using, you should be able to save a scene state and flip back to your regular materials.
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TheOnlyAaron 188 posts
You could always make apply a flat shader to everything, turn off all your lights, shadows, gi, raytracing etc... so you just have a flat render, and render your elements. Or as I like to do, render your images as an .rpf. If you choose to use the .rpf you can select to give it a z-depth channel, just like you can give a targa an alpha. Once you are in aftereffects you can do a 3d-channel extract on your imagesequence and you will have your zdepth.
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diemacht 1,045 posts
thx for the replys but the problem was that not only my zdepth pass was corruptet also the velocity and the diffuse pass
so it would be problematic to render it again because if i change the material the difuse pass would have change too.. so i was just wondering why there is no way to render the render elements seperate. because velocity, zdepth, diffuse dont look like if they would need much rendertime or power.
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hmmm.....A little late but.
Normally, when I just want to render out a single element without it rendering the beauty too. I just uncheck "Rendered Frame Window" .
It's in the Render Dialog
Common(tab)/Common Parameters(rollout)/Render Output (Group)
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diemacht 1,045 posts
well that makes no sense because its still rendering the image so you loose time anyway...
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mcernusca 113 posts
You know.. I've often thought about this, but I have no easy solution for you. There is no way w/o using some plugins but with a little bit of thought I don't see why you can't set it up manually.
Since you need your diffuse texture, kill the GI, shadows, skylight basically everything not needed for your .This should render pretty fast, it has worked well for me in the past.
If you just needed the z info, you would optimize the scene for that.
This stuff can be automated pretty easily, and there are great plugins that extend the max tools but sadly none of them are free.
So, you can spend another month trying to find a solution, or you can render the passes.
I know you probably knew all of this already, I'm just confirming that even if there was a way to get a single pass out, it would take just a long assuming you turn off everything you don't need for that pass.
