.\" RCSid "$Id: dayfact.1,v 1.2 2003/12/09 15:59:06 greg Exp $" .TH DAYFACT 1 11/15/93 RADIANCE .SH NAME dayfact - compute illuminance and daylight factor on workplane .SH SYNOPSIS .B dayfact [ falsecolor options ] .SH DESCRIPTION .I Dayfact is an interactive script for computing workplane illuminance, and daylight factors and potential daylight savings using .I rtrace(1). The script .I falsecolor(1) is then used to draw contour lines on the resulting Radiance picture. .SH AUTHOR Greg Ward .SH ACKNOWLEDGEMENT Work on this program was initiated and sponsored by the LESO group at EPFL in Switzerland. .SH "SEE ALSO" falsecolor(1), glare(1), rtrace(1), ximage(1)