--- ray/doc/man/man1/rpict.1 2008/03/11 02:21:45 1.12 +++ ray/doc/man/man1/rpict.1 2010/01/26 04:42:16 1.14 @@ -1,4 +1,4 @@ -.\" RCSid "$Id: rpict.1,v 1.12 2008/03/11 02:21:45 greg Exp $" +.\" RCSid "$Id: rpict.1,v 1.14 2010/01/26 04:42:16 greg Exp $" .TH RPICT 1 2/26/99 RADIANCE .SH NAME rpict - generate a RADIANCE picture @@ -571,7 +571,8 @@ When "on", pure Monte Carlo sampling is used in all ca .TP .BI -lr \ N Limit reflections to a maximum of -.I N. +.I N, +if N is a positive integer. If .I N is zero, then Russian roulette is used for ray @@ -579,7 +580,7 @@ termination, and the .I -lw setting (below) must be positive. If N is a negative integer, then this sets the upper limit -of reflections past which Russian roulette will not be used. +of reflections past which Russian roulette will be used. In scenes with dielectrics and total internal reflection, a setting of 0 (no limit) may cause a stack overflow. .TP @@ -796,9 +797,9 @@ Boolean switch for warning messages. The default is to print warnings, so the first appearance of this option turns them off. .SH EXAMPLE -rpict \-vp 10 5 3 \-vd 1 \-.5 0 scene.oct > scene.pic +rpict \-vp 10 5 3 \-vd 1 \-.5 0 scene.oct > scene.hdr .PP -rpict \-S 1 \-o frame%02d.pic scene.oct < keyframes.vf +rpict \-S 1 \-o frame%02d.hdr scene.oct < keyframes.vf .SH ENVIRONMENT RAYPATH the directories to check for auxiliary files. .SH FILES