Index: /issm/trunk-jpl/src/m/classes/mesh3dsurface.m
===================================================================
--- /issm/trunk-jpl/src/m/classes/mesh3dsurface.m	(revision 19981)
+++ /issm/trunk-jpl/src/m/classes/mesh3dsurface.m	(revision 19982)
@@ -137,6 +137,6 @@
 			WriteData(fid,'object',obj,'class','mesh','fieldname','y','format','DoubleMat','mattype',1);
 			WriteData(fid,'object',obj,'class','mesh','fieldname','z','format','DoubleMat','mattype',1);
-			WriteData(fid,'object',obj,'class','mesh','fieldname','lat','format','DoubleMat','mattype',1);
-			WriteData(fid,'object',obj,'class','mesh','fieldname','long','format','DoubleMat','mattype',1);
+			WriteData(fid,'enum',MeshLatEnum(),'data',obj.lat,'format','DoubleMat','mattype',1);
+			WriteData(fid,'enum',MeshLongEnum(),'data',obj.long,'format','DoubleMat','mattype',1);
 			WriteData(fid,'object',obj,'class','mesh','fieldname','r','format','DoubleMat','mattype',1);
 			WriteData(fid,'enum',MeshZEnum(),'data',zeros(obj.numberofvertices,1),'format','DoubleMat','mattype',1);