--- ray/doc/man/man1/rcontrib.1 2020/09/10 17:52:46 1.19 +++ ray/doc/man/man1/rcontrib.1 2025/03/27 01:26:55 1.25 @@ -1,4 +1,4 @@ -.\" RCSid "$Id: rcontrib.1,v 1.19 2020/09/10 17:52:46 greg Exp $" +.\" RCSid "$Id: rcontrib.1,v 1.25 2025/03/27 01:26:55 greg Exp $" .TH RCONTRIB 1 5/25/05 RADIANCE .SH NAME rcontrib - compute contribution coefficients in a RADIANCE scene @@ -45,6 +45,8 @@ rtrace options .B octree .br .B "rcontrib [ options ] \-defaults" +.br +.B "rcontrib \-features [feat1 ..]" .SH DESCRIPTION .I Rcontrib computes ray coefficients @@ -206,7 +208,11 @@ and .I \-o options to the left of each .I \-m -setting are the ones used for that modifier. +name are the ones used for that modifier. +Any +.I \-cs +option changing the number of spectral color +samples must appear before the first modifier. The ordering of other options is unimportant, except for .I \-x and @@ -324,7 +330,7 @@ density estimates results in omitted contributions, th is clamped accordingly and a warning is issued. .SH EXAMPLES To compute the proportional contributions from sources modified -by "light1" vs. "light2" on a set of illuminance values: +by "light1" vs. "light2" on a set of irradiance values: .IP "" .2i rcontrib \-I+ @render.opt \-o c_%s.dat \-m light1 \-m light2 scene.oct < test.dat .PP @@ -340,7 +346,7 @@ of light1 and light2: .IP "" .2i pcomb \-c 100 90 75 c_light1.hdr \-c 50 55 57 c_light2.hdr > combined.hdr .PP -To compute an array of illuminance contributions according to a Tregenza sky: +To compute an array of irradiance contributions according to a Tregenza sky: .IP "" .2i rcontrib \-I+ \-f tregenza.cal \-b tbin \-bn Ntbins \-o sky.dat \-m skyglow \-b 0 \-o ground.dat \-m groundglow @render.opt scene.oct < test.dat @@ -360,7 +366,7 @@ is detected. .SH AUTHOR Greg Ward .SH "SEE ALSO" -cnt(1), genklemsamp(1), getinfo(1), mkpmap(1), pcomb(1), pfilt(1), -ra_rgbe(1), rcalc(1), rfluxmtx(1), rmtxop(1), rpict(1), rsensor(1), -rtrace(1), total(1), vwrays(1), ximage(1) +cnt(1), dctimestep(1), genklemsamp(1), getinfo(1), mkpmap(1), pcomb(1), pfilt(1), +pvsum(1), ra_rgbe(1), rcalc(1), rcomb(1), rfluxmtx(1), rmtxop(1), rpict(1), +rsensor(1), rtrace(1), total(1), vwrays(1), ximage(1)