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# ex_colmix2.ppl
#
# The code in this file is part of Pyxplot
# <http://www.pyxplot.org.uk>
#
# Copyright (C) 2006-2012 Dominic Ford <coders@pyxplot.org.uk>
# 2008-2012 Ross Church
#
# $Id: ex_spectrum_colmix2.ppl 1261 2012-07-11 21:38:05Z dcf21 $
#
# Pyxplot is free software; you can redistribute it and/or modify it under the
# terms of the GNU General Public License as published by the Free Software
# Foundation; either version 2 of the License, or (at your option) any later
# version.
#
# You should have received a copy of the GNU General Public License along with
# Pyxplot; if not, write to the Free Software Foundation, Inc., 51 Franklin
# Street, Fifth Floor, Boston, MA 02110-1301, USA
# ----------------------------------------------------------------------------
# This script produces a figure for the Pyxplot Users' Guide
# Call common initialisation script
reset
title = "ex_spectrum_colmix2"
load "examples/fig_init.ppl"
# BEGIN
set size square
set nokey
set nocolkey
set numeric errors quiet
set noxtics ; set noytics
set axis x invisible
set axis y invisible
d = 0.5
t(x) = max(0,2-exp(x**8))
set colmap cmyk(t(hypot(c1 ,c2-d/sqrt(2))), \
t(hypot(c1+d,c2+d )), \
t(hypot(c1-d,c2+d )), \
0 )
set sample grid 250x250
set c1range norenorm
set c2range norenorm
plot [-1.5:1.5][-1.5:1.5] x:y with colormap
# END
# Call common cleanup script
load "examples/fig_end.ppl"
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