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Draw a blank map of the world in polyconic projection with GMT
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#!/bin/sh | |
ps=polyconic_coast.ps | |
w=2.0944c | |
proj=Poly/${w} | |
lon0=-180 | |
lon1=`expr ${lon0} + 30` | |
reg=${lon0}/${lon1}/-90/90 | |
gmt psbasemap -R${reg} -J${proj} -K -Bg10/g10 > ${ps} | |
gmt pscoast -R${reg} -J${proj} -O -K -W -B >> ${ps} | |
while [ ${lon0} -lt 120 ]; do | |
lon0=${lon1} | |
lon1=`expr ${lon0} + 30` | |
reg=${lon0}/${lon1}/-90/90 | |
gmt psbasemap -X${w} -R${reg} -J${proj} -O -K -B >> ${ps} | |
gmt pscoast -R${reg} -J${proj} -O -K -W -B >> ${ps} | |
done | |
lon0=${lon1} | |
lon1=`expr ${lon0} + 30` | |
reg=${lon0}/${lon1}/-90/90 | |
gmt psbasemap -X${w} -R${reg} -J${proj} -O -K -B >> ${ps} | |
gmt pscoast -R${reg} -J${proj} -O -W -B >> ${ps} | |
ps2pdf ${ps} | |
pdfcrop ${ps%s}df | |
rm ${ps} ${ps%s}df |
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