#! /bin/csh -f
#
# Shellscript to create TIFF image of data in grd file
# Created by macro mbm_grdtiff
#
# This shellscript created by following command line:
# mbm_grdtiff -I MARSTopoLower.grd -Ju -G5 -D0/1 -OTopoGeoTiff_utm -V
#
# Define shell variables used in this script:
set TIFF_FILE       = TopoGeoTiff_utm.tif
set CPT_FILE        = TopoGeoTiff_utm.cpt
set MAP_REGION      = -122.243/-122.115/36.6939/36.8573
#
# Save existing GMT defaults
echo Saving GMT defaults...
gmtdefaults -L > gmtdefaults$$
#
# Set new GMT defaults
echo Setting new GMT defaults...
gmtset COLOR_BACKGROUND 0/0/0
gmtset COLOR_FOREGROUND 255/255/255
gmtset COLOR_NAN 255/255/255
gmtset DEGREE_FORMAT 3
#
# Make color pallette table file
echo Making color pallette table file...
echo  -2000  37  57 175  -1800  40 127 251 > $CPT_FILE
echo  -1800  40 127 251  -1600  50 190 255 >> $CPT_FILE
echo  -1600  50 190 255  -1400 106 235 255 >> $CPT_FILE
echo  -1400 106 235 255  -1200 138 236 174 >> $CPT_FILE
echo  -1200 138 236 174  -1000 205 255 162 >> $CPT_FILE
echo  -1000 205 255 162   -800 240 236 121 >> $CPT_FILE
echo   -800 240 236 121   -600 255 189  87 >> $CPT_FILE
echo   -600 255 189  87   -400 255 161  68 >> $CPT_FILE
echo   -400 255 161  68   -200 255 186 133 >> $CPT_FILE
echo   -200 255 186 133      0 255 255 255 >> $CPT_FILE
#
# Define data files to be plotted:
set DATA_FILE        = MARSTopoLower.grd
set INTENSITY_FILE   = 
#
# Get slope array
echo Getting slope array...
echo Running grdgradient to get x component of the gradient...
grdgradient $DATA_FILE -A90 -G$DATA_FILE.drvx -M
echo Running grdgradient to get y component of the gradient...
grdgradient $DATA_FILE -A0 -G$DATA_FILE.drvy -M
echo Running grdmath to get slope magnitude...
grdmath $DATA_FILE.drvx 2.0 POW \
	$DATA_FILE.drvy 2.0 POW ADD SQRT \
	-1 MUL \
	= $DATA_FILE.slope
/bin/rm -f $DATA_FILE.drvx $DATA_FILE.drvy 
#
# Make tiff image
echo Running mbgrdtiff...
mbgrdtiff -I $DATA_FILE \
	-O $TIFF_FILE \
	-R$MAP_REGION \
	-C $CPT_FILE \
	-K $DATA_FILE.slope \
	-V 
#
# Delete surplus files
echo Deleting surplus files...
/bin/rm -f $CPT_FILE
#
# Reset GMT default fonts
echo Resetting GMT fonts...
/bin/mv gmtdefaults$$ .gmtdefaults
#
# Run xv
echo Running xv in background...
xv TopoGeoTiff_utm.tif &
#
# All done!
echo All done!