Index: /issm/trunk/src/m/classes/@model/structtomodel.m
===================================================================
--- /issm/trunk/src/m/classes/@model/structtomodel.m	(revision 6120)
+++ /issm/trunk/src/m/classes/@model/structtomodel.m	(revision 6121)
@@ -16,2 +16,11 @@
 	end
 end
+
+%some special treatment
+if isfield(structmd,'drag'), md.drag_coefficient=structmd.drag; end
+if isfield(structmd,'p'), md.drag_p=structmd.p; end
+if isfield(structmd,'q'), md.drag_q=structmd.p; end
+if isfield(structmd,'type'), 
+	if strcmpi(structmd.type,'2d'), md.dim=2; end
+	if strcmpi(structmd.type,'3d'), md.dim=3; end
+end