User:Jheald/sandbox/CGI

Pages


 * Radiosity (3D computer graphics)
 * Talk:Geomerics

To do:
 * pic of Halton sequence, and sequence projected on to a hemisphere, cf (use R)
 * tweak Radiosity lead
 * discussion of:
 * computational tweaks -- faster by pre-baking radiosity (lightmaps); or by precomputing relevant sampling directions (-> semi-hardcoded lookup list; or a priority lookup list, to go so far down depending on the light to be distributed; precomputed form factors.
 * shifting the signal-to-noise around -- using shooting rather than gathering, to spread absolute error more evenly
 * incremental update
 * improving quality -- subdivision, and adaptive subdivision; higher basis functions; overly soft shadows behind a Cornell box; on the other hand "smooth may be more important than right" -- need to keep noise levels down.