Index: /issm/trunk/src/m/utils/Exp/expcoarsen.m
===================================================================
--- /issm/trunk/src/m/utils/Exp/expcoarsen.m	(revision 1089)
+++ /issm/trunk/src/m/utils/Exp/expcoarsen.m	(revision 1090)
@@ -1,3 +1,13 @@
 function expcoarsen(newfile,oldfile,resolution);
+%EXPCOARSEN - coarsen an exp contour
+%
+%   This routine read an Argus file and remove points with respect to
+%   the resolution (in meters) given in input. 
+%
+%   Usage:
+%      expcoarsen(newfile,oldfile,resolution)
+%
+%   Example:
+%       expcoarsen('DomainOutline.exp','Antarctica.exp',4000)
 
 %Some checks