update to correctly set X cellsize from gdal geomatrix
update to correctly set X cellsize from gdal geomatrix

thareUSGS/GDAL_scripts,USGS-Astrogeology/GDAL_scripts,thareUSGS/GDAL_scripts,USGS-Astrogeology/GDAL_scripts,thareUSGS/GDAL_scripts,USGS-Astrogeology/GDAL_scripts,USGS-Astrogeology/GDAL_scripts,thareUSGS/GDAL_scripts