Search found 118 matches

by toxie
Wed Sep 23, 2015 3:22 pm
Forum: General Development
Topic: Sobol' sequences
Replies: 11
Views: 10581

Re: Sobol' sequences

Digging out old post, as i missed that apparently: Unfortunately what you see is perfectly fine. Better 2D projections do not necessarily mean that each and every combination of two dimensions will look perfect at any amount of samples you decide to draw and visualize. It was just optimized to be (s...
by toxie
Mon Sep 21, 2015 5:24 pm
Forum: Visuals
Topic: Indirect lighting through subsurface diffusion
Replies: 11
Views: 14484

Re: Indirect lighting through subsurface diffusion

sss-indirect2.png
sss-indirect2.png (1.02 MiB) Viewed 11960 times

that matches better.. :)
by toxie
Mon Sep 21, 2015 5:10 pm
Forum: Visuals
Topic: Indirect lighting through subsurface diffusion
Replies: 11
Views: 14484

Re: Indirect lighting through subsurface diffusion

Ah, that will help a lot.. Will post another one with these settings tomorrow i guess..

And its brute force volume rendering, not even using the advanced samplers. Rendertime was around ~10mins i think.
by toxie
Mon Sep 21, 2015 3:59 pm
Forum: Visuals
Topic: Indirect lighting through subsurface diffusion
Replies: 11
Views: 14484

Re: Indirect lighting through subsurface diffusion

Here the scene rendered with iray. Materials do only match so much though, as we couldn't really match the look of your picture.
So material parameters would help tweaking this.
sss-indirect.png
sss-indirect.png (852.29 KiB) Viewed 11981 times
by toxie
Tue Aug 25, 2015 5:00 pm
Forum: General Development
Topic: pbrt-v3 source code now available
Replies: 23
Views: 20730

Re: pbrt-v3 source code now available

In https://github.com/mmp/pbrt-v3/blob/master/src/core/pbrt.h#L235 and https://github.com/mmp/pbrt-v3/blob/master/src/core/pbrt.h#L249 the checks for +0.0 and -0.0 are not correct, as by IEEE754 +0.0 == -0.0 is true. So you want to check this special case with the uint you're getting below instead. ...
by toxie
Tue Aug 25, 2015 9:48 am
Forum: Visuals
Topic: Glitch Pictures anyone?
Replies: 75
Views: 97245

Re: Glitch Pictures anyone?

Image

floating point precision going downhill (this should be a sphere), from a colleague.
by toxie
Wed Jan 14, 2015 4:05 pm
Forum: Scratchpad
Topic: Job offer at NVIDIA ARC/OptiX Team (US or Europe)
Replies: 0
Views: 13658

Job offer at NVIDIA ARC/OptiX Team (US or Europe)

And again, a new job offer for you guys (different team this time), here the official description: Job Description/Qualifications: Join our team of GPU programming and graphics experts in a senior position to redesign and renovate OptiX, the industry's leading ray tracing engine. Help design and imp...
by toxie
Thu Jul 17, 2014 1:36 pm
Forum: Visuals
Topic: Glitch Pictures anyone?
Replies: 75
Views: 97245

Re: Glitch Pictures anyone?

And a new/old one:

Image
by toxie
Thu Jul 17, 2014 1:31 pm
Forum: Visuals
Topic: Glitch Pictures anyone?
Replies: 75
Views: 97245

Re: Glitch Pictures anyone?

As the link in the first post to franz' archive is broken, here some more old stuff of mine: http://ainc.de/RTcoreTest/0053.jpg Generating a Sierpinski Tri by accident: http://ainc.de/RTcoreTest/EnvMapGlitch.png Filtering gone wrong: http://ainc.de/RTcoreTest/mitchell.png http://ainc.de/RTcoreTest/m...

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