Jump to content

Volume Procedural Filtering

Recommended Posts

Is there any techniques to do volume filtering on a VEX Volume Procedural?

I'm loading in volumes via the "volumesamplefile" node, then doing some procedural processing on them.

I guess there could be filtering done at two levels here, filtering the volume sampling (to reduce the stepping of lower res volumes) or filtering the render of the procedural (to reduce noise in the final render).

I'd be interested in both. 

I'm thinking something similar to object level Render/Shading/Volume Filter parm. This has no effect when rendering a procedural volume.

Link to comment
Share on other sites

Thanks for the info!

I tried building a loop in cvex and without doing any variance of the sample position the result is quite a lot softer with 10+ samples. Perhaps this is a function of the renders ray variance? Im not sure. But if I add in a random position to the sample position I get unexpected results, blocky and shifted volumes.


Link to comment
Share on other sites

Join the conversation

You can post now and register later. If you have an account, sign in now to post with your account.
Note: Your post will require moderator approval before it will be visible.

Reply to this topic...

×   Pasted as rich text.   Paste as plain text instead

  Only 75 emoji are allowed.

×   Your link has been automatically embedded.   Display as a link instead

×   Your previous content has been restored.   Clear editor

×   You cannot paste images directly. Upload or insert images from URL.

  • Create New...