Are there any other advantages of saving the photon map than speeding up
a continued trace?
The scene usually changes from render to render (trial and error style
modelling) so I think that the photon map changes as well.
--
main(i,_){for(_?--i,main(i+2,"FhhQHFIJD|FQTITFN]zRFHhhTBFHhhTBFysdB"[i]
):5;i&&_>1;printf("%s",_-70?_&1?"[]":" ":(_=0,"\n")),_/=2);} /*- Warp -*/
