REM		GMT EXAMPLE 13
REM
REM		$Id: example_13.bat 15178 2015-11-06 10:45:03Z fwobbe $
REM
REM Purpose:	Illustrate vectors and contouring
REM GMT progs:	grdmath, grdcontour, grdvector, pstext
REM DOS calls:	echo, del
REM
echo GMT EXAMPLE 13
set ps=example_13.ps
gmt grdmath -R-2/2/-2/2 -I0.1 X Y R2 NEG EXP X MUL = z.nc
gmt grdmath z.nc DDX = dzdx.nc
gmt grdmath z.nc DDY = dzdy.nc
gmt grdcontour dzdx.nc -JX3i -B1 -BWSne -C0.1 -A0.5 -K -P -Gd2i -S4 -T+d0.1i/0.03i > %ps%
gmt grdcontour dzdy.nc -J -B -C0.05 -A0.2 -O -K -Gd2i -S4 -T+d0.1i/0.03i -Xa3.45i >> %ps%
gmt grdcontour z.nc -J -B -C0.05 -A0.1 -O -K -Gd2i -S4 -T+d0.1i/0.03i -Y3.45i >> %ps%
gmt grdcontour z.nc -J -B -C0.05 -O -K -Gd2i -S4 -X3.45i >> %ps%
gmt grdvector dzdx.nc dzdy.nc -I0.2 -J -O -K -Q0.1i+e+n0.25i -Gblack -W1p -S5i --MAP_VECTOR_SHAPE=0.5 >> %ps%
echo 3.2 3.6 z(x,y) = x@~\327@~exp(-x@+2@+-y@+2@+) | gmt pstext -R0/6/0/4.5 -Jx1i -F+f40p,Times-Italic+jCB -O -X-3.45i >> %ps%
del *.nc
del .gmt*
