Jump to content

render length with passes


Recommended Posts

Hi,

I am rendering pyro with 2 extra image planes, combined lighting "all" with light exports, which gives me 3 passes - the smoke lit by 3 individual lights (direct, enviromental and volume light) and combined emission "all_emission" which gives me just the flames. 

Now all of this is very useful in compositing process, however it also increases render time to 8-15 times the length of render time without passes. I would expect there would not be any increase of render time since it already is a part of the "beauty" render.

Is there any way to get around this?

Thanks

Link to comment
Share on other sites

Combined Emission is set to "Full Opacity Filtering" by default, and this is usually reaaaaaally damn slow when rendering volumes. There is no way to disable it if you enabled this pass with the checkbox, so uncheck that and instead add an extra image plane -> choose combined emission in the dropdown menu for "vex variable" -> change Sample Filter to "Opacity Filtering". It should bring down the rendertime to normal.

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.

Guest
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...