Firefly with pathracing

[Garquitectos]

Hi I'm working in a image with a swimming pool, and I have a problem with the reflected caustics... How I can get a clean refletion of the caustics?
The water has a displacement map, and this image has reached more than 10000 samples. Any ideas?

[perro_abombao]

Hola!
maybe with PMC kernel.. it's more clean.I made some tests and works better!!

[face_off]

Set hot_pixel to 0. And try setting GI_clamp lower. And increase caustic_blur.

Paul

[voon]

I wonder about hotpixel removal. What's the bad side of setting it to zero? I.e.: why would I not always do that?

[face_off]

What's the bad side of setting it to zero? I.e.: why would I not always do that?

I can make the render a little blurry if you have not rendered enough samples. I leave it at 1, then reduce to the mount required to remove fireflys if there are any.

Paul

[voon]

Thank you .... where does "enough" start? Or is that highly depending on the scene?

[face_off]

"enough" = scene is completely rendered but there are some fireflys. I'm sure the pro's would have some tricks for working this out in a better way.

[Garquitectos]

With PMC better but I little bit slow...

[face_off]

Have you considered putting that rock retaining wall texture into the displacement map pin?

[perro_abombao]

With PMC better but I little bit slow...

Sure ...it´s slow but, with the same Smples/pxls more cleaner that pathtracing,(sobretodo con caustics y specular reflections)...another thing is...sorry if I´m wrong, for the moment you can´t use the "importance sampling check button" (it's a shame)in the HDRI map when you mix the octane sun system with a HDRI environment MAP.