#!/bin/bash
#		GMT EXAMPLE 05
#
#		@(#)job05.bash	1.2  12/09/98
#
# Purpose:	Generate grid and show monochrome 3-D perspective
# GMT progs:	grdgradient, grdmath, grdview, pstext
# Unix progs:	echo, rm
#
grdmath -R-15/15/-15/15 -I0.3 X Y HYPOT DUP 2 MUL PI MUL 8 DIV COS EXCH NEG 10 DIV EXP MUL = sombrero.grd
echo '-5	128	128	128	5	128	128	128' > gray.cpt
grdgradient sombrero.grd -A225 -Gintensity.grd -Nt0.75
grdview sombrero.grd -JX6i -JZ2i -B5/5/0.5SEwnZ -N-1/255/255/255 -Qs -Iintensity.grd -X1.5i -Cgray.cpt -R-15/15/-15/15/-1/1 -K -E120/30 -U/-1.25i/-0.75i/"Example 5 in Cookbook" > example_05.ps
echo "4.1 5.5 50 0 33 2 z(r) = cos (2@~p@~r/8) * e@+-r/10@+" | pstext -R0/11/0/8.5 -Jx1i -O >> example_05.ps
\rm -f gray.cpt sombrero.grd intensity.grd .gmtcommands