Index: /issm/trunk-jpl/src/m/plot/googlemaps.m
===================================================================
--- /issm/trunk-jpl/src/m/plot/googlemaps.m	(revision 22258)
+++ /issm/trunk-jpl/src/m/plot/googlemaps.m	(revision 22259)
@@ -22,4 +22,12 @@
 		options=pairoptions(varargin{:});
 	end
+end
+
+%Check that no temp.* exists
+if exist('temp.tiff','file'),
+	error('File temp.tiff already exists, remove first');
+end
+if exist('temp.png','file'),
+	error('File temp.png already exists, remove first');
 end