akaliln Posted August 18, 2021 Share Posted August 18, 2021 I have a question about pyro rendering with fire pass. have no idea why there appearing white dots at the fire_mask pass. I did try to tweak some parameters on shader and mantra. but the result goes to the same way...... does anyone know what cause it render like this result or have any idea how to solve this problem? thanks a lot. Quote Link to comment Share on other sites More sharing options...
Ultraman Posted August 18, 2021 Share Posted August 18, 2021 (edited) hi - drop wrangle volume and write clamp(@density,0,1) I guess must be working just try Edited August 18, 2021 by Ultraman Quote Link to comment Share on other sites More sharing options...
Atom Posted August 18, 2021 Share Posted August 18, 2021 You could try lowering the Color Limit on the Mantra Node. High values can lead to "fireflies". https://www.sidefx.com/docs/houdini/render/limits_tab.html Quote Link to comment Share on other sites More sharing options...
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