.\" RCSid "$Id: psketch.1,v 1.1 2017/08/26 16:10:19 greg Exp $"
.TH PSKETCH 1 8/26/2017 RADIANCE
.SH NAME
psketch - apply non-photorealistic rendering to select objects in picture
.SH SYNOPSIS
.B psketch
[
.B "-m modname"
][
.B "-M modfile"
]
.B octree
.B input.hdr
[
.B output.hdr
]
.SH DESCRIPTION
.I Psketch
takes a RADIANCE octree and a picture file
and at least one modifier name given by one or more
.I \-m
and
.I \-M
options,
which may be intermingled.
The
.I \-m
option names a modifier for objects that will be sketched out
by the program.
The
.I \-M
option indicates a file of such modifier names that
will be read in and included in the operation.
The picture should have been created from a previous
.I rpict(1)
or
.I rvu(1)
calculation using the given octree.
.SH AUTHOR
Greg Ward
.SH BUGS
If the pointer is moved between the time 't' is pressed and
.I xshowtrace
starts drawing rays, the rays will be displaced.
.SH "SEE ALSO"
oconv(1), rpict(1), rtrace(1), rvu(1), ximage(1)