#!/bin/sh
#
#	GMT Example 24  $Id: job24.sh,v 1.3 2006/05/08 01:35:12 pwessel Exp $
#
# Purpose:	Extract subsets of data based on geospatial criteria
# GMT progs:	gmtselect, pscoast, psxy, minmax
# Unix progs:	echo, cat, awk
#
# Highlight oceanic earthquakes within 3000 km of Hobart and > 1000 km from dateline
echo "147:13 -42:48 3000 Hobart" > point.d
cat << EOF > dateline.d
> Our proxy for the dateline
180	0
180	-90
EOF
R=`minmax -I10 oz_quakes.d`
pscoast $R -JM9i -K -Gtan -Sdarkblue -Wthin,white -Dl -A500 -Ba20f10g10WeSn -U"Example 24 in Cookbook" > example_24.ps
psxy -R -J -O -K oz_quakes.d -Sc0.05i -Gred >> example_24.ps
gmtselect oz_quakes.d -L1000/dateline.d -Nk/s -C3000/point.d -fg -R -Il | psxy -R -JM -O -K -Sc0.05i -Ggreen >> example_24.ps
awk '{print $1, $2, 0, $3, $3}' point.d | psxy -R -J -O -K -SE -Wfat,white >> example_24.ps
awk '{print $1, $2, 14, 0, 1, "LT", $4}' point.d | pstext -R -J -O -K -Gwhite -D0.1i/-0.1i >> example_24.ps
psxy -R -J -O -K point.d -Wfat,white -Sx0.2i >> example_24.ps
psxy -R -J -O -M dateline.d -Wfat,white -A >> example_24.ps
rm -f point.d dateline.d .gmt*
