luix93

circusmonkey

luix93

circusmonkey
Deep shadow maps 512 x 512 and blur them

Rob

Thanks Rob for the reply.

I'f i blur the shadow the results is very bad, and render time jump to sky!

With this settings:
Shadow blur 0
Resolution 2048x2048
pixel samples 8x8
depth map motion blur enabled
and others to default

I obtain a good render (last image), the problem is during the turn table animation in wich noise disturbe the quality and i don't know how to reduce it.

I tried to reduce the noise value in render settings from 0.05 to 0.01 with no results.

Any tips?

I'll post the render with 512x512 with blur soon.

Hi, using a 2k shadow map is not correct and the wrong approach. If your going to blur a shadow map you go small, even 256 x 256. and blur. I designed a lighting rig for Fur that reads in a HDR , and then placed instanced lights in dome. each light sampled the HSV values of the HDR
and also located the brightest averaged pixels in the HDR to place a key light.
Check out the panda on my site http://www.circusmonkey.com.au/circusmonkey/Gallery.html [circusmonkey.com.au]

At the time of doing this the fur shader needed re engineering to work with PBR. So do test as PBR is way faster now. Try rendering with a small blurred HDR map in a .rat format. Ray trace bias settings will be important .

Rob

I really love your panda!
With blur i'm using 512x512 maps, not 2k, but the noise problem persists.

This is not the only test i'm doing, but in everyone i have that problem, and most of the noise is in the area with more density.

Thank you very much for your answers and advice. I set the scene with the area light. The settings are:

Sampling quality: 1 (higher value don't give me better result)
Depth Map shadow
All default and
Blur 0.01
512x512
samples 2x2
and even for these three, higher value doesn't give better results.

Mantra PBR
Tilesize 16
pixel samples 8x8
Min Max rays 1-9
Noise 0.05
Transparent samples 8

Any higher settings doesn't give me tangible changes.

I also increased the thickness of the beard from 0.007-0.015 to 0.015-0.02 with no better results..

I'm already using 8x8 pixel samples, even increasing to 16x16 i have minimal or no improvements.

Which render engine you advice? The posted results are obtained with raytraced engine.

I'm trying to replace spot light with area light, i'll post new render soon.