--- ray/doc/man/man1/mksource.1 2005/04/12 20:03:12 1.2 +++ ray/doc/man/man1/mksource.1 2005/08/19 02:31:07 1.4 @@ -1,4 +1,4 @@ -.\" RCSid "$Id: mksource.1,v 1.2 2005/04/12 20:03:12 greg Exp $" +.\" RCSid "$Id: mksource.1,v 1.4 2005/08/19 02:31:07 greg Exp $" .TH MKSOURCE 1 04/11/05 RADIANCE .SH NAME mksource - compute distant sources for RADIANCE image-based lighting @@ -30,15 +30,15 @@ The .I \-d option may be used to specify the number of ray samples, which defaults to 262,000. -Calculation time is roughly proportional to accuracy, and the -default is fine enough to find sources the size of the sun +Calculation time is roughly proportional to this setting, and the +default is fine enough to resolve sources the size of the sun (half a degree) or larger. .PP The .I \-t option may be used to manually set the radiance threshold for sources, in watts/sr/meter^2. -The default uses the top 1 percentile of the environment, which +The default uses the top 2 percentile of the environment, which is usally a good value. .PP The