--- ray/doc/man/man1/genblinds.1 2003/03/11 19:20:21 1.1 +++ ray/doc/man/man1/genblinds.1 2009/04/24 05:20:22 1.6 @@ -1,4 +1,4 @@ -.\" RCSid "$Id" +.\" RCSid "$Id: genblinds.1,v 1.6 2009/04/24 05:20:22 greg Exp $" .TH GENBLINDS 1 10/10/94 RADIANCE .SH NAME genblinds - generate a RADIANCE description of venetian blinds @@ -40,21 +40,21 @@ with the .I "+/-r" option. If given as -.I -r, -The curvature is downward (which is the usual configuration). -If the option is given as .I +r, -then the curvature is upward. +The curvature is upward (which is the usual configuration). +If the option is given as +.I -r, +then the curvature is downward. The radius indicates how far from each slat its effective cylindrical center resides. Each slat will be broken into as many polygons as is necessary to keep the delta changes in angle less than 10 degrees. (Note that this may result in a rather large number of polygons.)\0 .SH EXAMPLE -To produce a curved set of blinds with 15 slats: +To produce a curved set of blinds with 25 slats at 15 degrees: .IP "" .2i -genblinds white blind 1 46 88 118 15 -r 1 > blinds.rad +genblinds white blind 1 46 88 25 15 \-r 1 > blinds.rad .SH AUTHOR Jean-Louis Scartezzini and Greg Ward .SH "SEE ALSO" -genbox(1), genrev(1), gensurf(1), genworm(1), rpict(1), rview(1), xform(1) +genbox(1), genrev(1), gensurf(1), genworm(1), rpict(1), rvu(1), xform(1)