Source code for pbrt, the renderer described in the third edition of "Physically Based Rendering: From Theory To Implementation", by Matt Pharr, Wenzel Jakob, and Greg Humphreys.
I have a test scene which generates visible triangles (in the area where the caustics are) while using the "mlt" integrator:
For the other integrators I haven't noticed those triangles. Is that a known issue? Do you want the test scene? It can be downloaded from here (radiance_art_gallery.tar.gz). I created .patch files and a Makefile to apply those patches to the same scene (once you used tar zxfv adiance_art_gallery.tar.gz to unpack). Let me know if you want me to send you the scene in another form (or already patched) ...
I have a test scene which generates visible triangles (in the area where the caustics are) while using the "mlt" integrator:
For the other integrators I haven't noticed those triangles. Is that a known issue? Do you want the test scene? It can be downloaded from here (radiance_art_gallery.tar.gz). I created .patch files and a Makefile to apply those patches to the same scene (once you used
tar zxfv adiance_art_gallery.tar.gzto unpack). Let me know if you want me to send you the scene in another form (or already patched) ...