Index: /issm/trunk-jpl/src/m/coordsystems/gdalinfo.m
===================================================================
--- /issm/trunk-jpl/src/m/coordsystems/gdalinfo.m	(revision 24743)
+++ /issm/trunk-jpl/src/m/coordsystems/gdalinfo.m	(revision 24744)
@@ -9,5 +9,5 @@
 	%first, get pixel size: 
 	[s,r]=system(sprintf('gdalinfo %s | grep "Pixel Size"',imagename));
-	if s, error('gdalinfo error message: could not run system command gdalinfo'); end
+	if s, error('gdalinfo error message: could not run system command gdalinfo to find pixel size'); end
 	d=sscanf(r,'Pixel Size = (%g,%g)');
 	info.dx=abs(d(1)); info.dy=abs(d(2));
@@ -15,5 +15,5 @@
 	%get upper left: 
 	[s,r]=system(sprintf('gdalinfo %s | grep "Upper Left"',imagename));
-	if s, error('gdalinfo error message: could not run system command gdalinfo'); end
+	if s, error('gdalinfo error message: could not run system command gdalinfo to find upper left'); end
 	d=sscanf(r,'Upper Left ( %g,%g) %s');
 	info.xmin=d(1);
@@ -22,5 +22,5 @@
 	%get lower right: 
 	[s,r]=system(sprintf('gdalinfo %s | grep "Lower Right"',imagename));
-	if s, error('gdalinfo error message: could not run system command gdalinfo'); end
+	if s, error('gdalinfo error message: could not run system command gdalinfo to find lower right'); end
 	d=sscanf(r,'Lower Right ( %g,%g) %s');
 	info.xmax=d(1);
@@ -29,5 +29,5 @@
 	%Size: 
 	[s,r]=system(sprintf('gdalinfo %s | grep "Size is"',imagename));
-	if s, error('gdalinfo error message: could not run system command gdalinfo'); end
+	if s, error('gdalinfo error message: could not run system command gdalinfo to find size'); end
 	d=sscanf(r,'Size is %g, %g');
 	info.nx=d(1);