Index: /issm/trunk-jpl/src/m/classes/mask.py
===================================================================
--- /issm/trunk-jpl/src/m/classes/mask.py	(revision 18651)
+++ /issm/trunk-jpl/src/m/classes/mask.py	(revision 18652)
@@ -38,5 +38,5 @@
 			raise TypeError("no ice present in the domain")
 
-		icefront=numpy.sum(md.mask.ice_levelset[md.mesh.elements]==0,2)
+		icefront=numpy.sum(md.mask.ice_levelset[md.mesh.elements-1]==0,axis=1)
 		if (max(icefront)==3 and m.strcmp(md.mesh.elementtype(),'Tria')) or (max(icefront==6) and m.strcmp(md.mesh.elementtype(),'Penta')):
 			raise TypeError("At least one element has all nodes on ice front, change md.mask.ice_levelset to fix it")
Index: /issm/trunk-jpl/src/m/classes/stressbalance.m
===================================================================
--- /issm/trunk-jpl/src/m/classes/stressbalance.m	(revision 18651)
+++ /issm/trunk-jpl/src/m/classes/stressbalance.m	(revision 18652)
@@ -26,48 +26,48 @@
 	end
 	methods
-        function createxml(obj,fid) % {{{
-            fprintf(fid, '\n\n');
-            fprintf(fid, '%s\n', '<!-- StressBalance solution parameters: -->');
-            
-            % Convergence criteria            
-            fprintf(fid,'%s\n%s\n%s\n','<frame key="1" label="Convergence criteria">','<section name="stressbalance" />'); 
-			 fprintf(fid,'%s%s%s%s%s\n%s\n%s\n%s\n',    '<parameter key ="restol" type="',      class(obj.restol),'" default="',        convert2str(obj.restol),'">',	'     <section name="stressbalance" />','     <help> mechanical equilibrium residual convergence criterion </help>','</parameter>');
-             fprintf(fid,'%s%s%s%s%s\n%s\n%s\n%s\n',    '<parameter key ="reltol" type="',          class(obj.reltol),'" default="',            convert2str(obj.reltol),'">',     '     <section name="stressbalance" />','     <help> velocity relative convergence criterion, NaN: not applied </help>','</parameter>');
-             fprintf(fid,'%s%s%s%s%s\n%s\n%s\n%s\n',	'<parameter key ="abstol" type="',        class(obj.abstol),'" default="',          convert2str(obj.abstol),'">',	'     <section name="stressbalance" />','     <help> velocity absolute convergence criterion, NaN: not applied </help>','</parameter>');
-             
-             %is newton drop-down (0,1,or 2)
-             fprintf(fid,'%s\n%s\n%s\n%s\n',    '<parameter key ="isnewton" type="alternative" optional="false">',	'     <section name="stressbalance" />','     <help> 0: Picards fixed point, 1: Newtons method, 2: hybrid </help>');
-             fprintf(fid,'%s\n','       <option value="0" type="string" default="true"> </option>');
-             fprintf(fid,'%s\n','       <option value="1" type="string" default="false"> </option>');
-             fprintf(fid,'%s\n%s\n','       <option value="2" type="string" default="false"> </option>','</parameter>');
-    
-             fprintf(fid,'%s%s%s%s%s\n%s\n%s\n%s\n',    '<parameter key ="maxiter" type="',  	class(obj.maxiter),'" default="',       convert2str(obj.maxiter),'">',     '     <section name="stressbalance" />','     <help> maximum number of nonlinear iterations </help>','</parameter>');
-             fprintf(fid,'%s%s%s%s%s\n%s\n%s\n%s\n',    '<parameter key ="viscosity_overshoot" type="',         class(obj.viscosity_overshoot),'" default="',           convert2str(obj.viscosity_overshoot),'">',	'     <section name="stressbalance" />','     <help> over-shooting constant new=new+C*(new-old) </help>','</parameter>');
-            fprintf(fid,'%s\n%s\n','</frame>');
-            
-            % boundary conditions    
-            fprintf(fid,'%s\n%s\n%s\n','<frame key="2" label="Boundary conditions">','<section name="stressbalance" />'); 			 
-             fprintf(fid,'%s%s%s%s%s\n%s\n%s\n%s\n',    '<parameter key ="spcvx" type="',     	class(obj.spcvx),'" default="',    	convert2str(obj.spcvx),'">',     '     <section name="stressbalance" />','     <help> x-axis velocity constraint (NaN means no constraint) [m/yr] </help>','</parameter>');
-             fprintf(fid,'%s%s%s%s%s\n%s\n%s\n%s\n',    '<parameter key ="spcvy" type="',     	class(obj.spcvy),'" default="',    	convert2str(obj.spcvy),'">',	'     <section name="stressbalance" />','     <help> y-axis velocity constraint (NaN means no constraint) [m/yr] </help>','</parameter>');
-             fprintf(fid,'%s%s%s%s%s\n%s\n%s\n%s\n',    '<parameter key ="spcvz" type="',    	class(obj.spcvz),'" default="',    	convert2str(obj.spcvz),'">',     '     <section name="stressbalance" />','     <help> z-axis velocity constraint (NaN means no constraint) [m/yr] </help>','</parameter>');
-            fprintf(fid,'%s\n%s\n','</frame>');
-            
-            % Rift options   
-            fprintf(fid,'%s\n%s\n%s\n','<frame key="3" label="Rift options">','<section name="stressbalance" />'); 	
-             fprintf(fid,'%s%s%s%s%s\n%s\n%s\n%s\n',    '<parameter key ="rift_penalty_threshold" type="',    	class(obj.rift_penalty_threshold),'" default="',       convert2str(obj.rift_penalty_threshold),'">',     '     <section name="stressbalance" />','     <help> threshold for instability of mechanical constraints </help>','</parameter>');
-             fprintf(fid,'%s%s%s%s%s\n%s\n%s\n%s\n',    	'<parameter key ="rift_penalty_lock" type="',         class(obj.rift_penalty_lock),'" default="',           convert2str(obj.rift_penalty_lock),'">',	'     <section name="stressbalance" />','     <help> number of iterations before rift penalties are locked </help>','</parameter>');
-            fprintf(fid,'%s\n%s\n','</frame>'); 
-            
-            %others
-            fprintf(fid,'%s\n%s\n%s\n','<frame key="4" label="Other">','<section name="stressbalance" />'); 	
-             fprintf(fid,'%s%s%s%s%s\n%s\n%s\n%s\n',    '<parameter key ="shelf_dampening" type="',  	class(obj.shelf_dampening),'" default="',       convert2str(obj.shelf_dampening),'">',     '     <section name="stressbalance" />','     <help> use dampening for floating ice ? Only for FS model </help>','</parameter>');
-             fprintf(fid,'%s%s%s%s%s\n%s\n%s\n%s\n',  	'<parameter key ="FSreconditioning" type="', 	class(obj.FSreconditioning),'" default="',           convert2str(obj.FSreconditioning),'">',	'     <section name="stressbalance" />','     <help> multiplier for incompressibility equation. Only for FS model </help>','</parameter>');
-             fprintf(fid,'%s%s%s%s%s\n%s\n%s\n%s\n',    '<parameter key ="referential" type="',  	class(obj.referential),'" default="',       convert2str(obj.referential),'">',     '     <section name="stressbalance" />','     <help> local referential </help>','</parameter>');
-             fprintf(fid,'%s%s%s%s%s\n%s\n%s\n%s\n',  	'<parameter key ="loadingforce" type="', 	class(obj.loadingforce),'" default="',           convert2str(obj.loadingforce),'">',	'     <section name="stressbalance" />','     <help> loading force applied on each point [N/m^3] </help>','</parameter>');
-             fprintf(fid,'%s%s%s%s%s\n%s\n%s\n%s\n',    '<parameter key ="requested_outputs" type="',  	class(obj.requested_outputs),'" default="',       convert2str(obj.requested_outputs),'">',     '     <section name="stressbalance" />','     <help> additional outputs requested </help>','</parameter>');
-             
-            
-            fprintf(fid,'%s\n%s\n','</frame>'); 
-        end % }}}
+		function createxml(obj,fid) % {{{
+			fprintf(fid, '\n\n');
+			fprintf(fid, '%s\n', '<!-- StressBalance solution parameters: -->');
+
+			% Convergence criteria            
+			fprintf(fid,'%s\n%s\n%s\n','<frame key="1" label="Convergence criteria">','<section name="stressbalance" />'); 
+			fprintf(fid,'%s%s%s%s%s\n%s\n%s\n%s\n',    '<parameter key ="restol" type="',      class(obj.restol),'" default="',        convert2str(obj.restol),'">',	'     <section name="stressbalance" />','     <help> mechanical equilibrium residual convergence criterion </help>','</parameter>');
+			fprintf(fid,'%s%s%s%s%s\n%s\n%s\n%s\n',    '<parameter key ="reltol" type="',          class(obj.reltol),'" default="',            convert2str(obj.reltol),'">',     '     <section name="stressbalance" />','     <help> velocity relative convergence criterion, NaN: not applied </help>','</parameter>');
+			fprintf(fid,'%s%s%s%s%s\n%s\n%s\n%s\n',	'<parameter key ="abstol" type="',        class(obj.abstol),'" default="',          convert2str(obj.abstol),'">',	'     <section name="stressbalance" />','     <help> velocity absolute convergence criterion, NaN: not applied </help>','</parameter>');
+
+			%is newton drop-down (0,1,or 2)
+			fprintf(fid,'%s\n%s\n%s\n%s\n',    '<parameter key ="isnewton" type="alternative" optional="false">',	'     <section name="stressbalance" />','     <help> 0: Picards fixed point, 1: Newtons method, 2: hybrid </help>');
+			fprintf(fid,'%s\n','       <option value="0" type="string" default="true"> </option>');
+			fprintf(fid,'%s\n','       <option value="1" type="string" default="false"> </option>');
+			fprintf(fid,'%s\n%s\n','       <option value="2" type="string" default="false"> </option>','</parameter>');
+
+			fprintf(fid,'%s%s%s%s%s\n%s\n%s\n%s\n',    '<parameter key ="maxiter" type="',  	class(obj.maxiter),'" default="',       convert2str(obj.maxiter),'">',     '     <section name="stressbalance" />','     <help> maximum number of nonlinear iterations </help>','</parameter>');
+			fprintf(fid,'%s%s%s%s%s\n%s\n%s\n%s\n',    '<parameter key ="viscosity_overshoot" type="',         class(obj.viscosity_overshoot),'" default="',           convert2str(obj.viscosity_overshoot),'">',	'     <section name="stressbalance" />','     <help> over-shooting constant new=new+C*(new-old) </help>','</parameter>');
+			fprintf(fid,'%s\n%s\n','</frame>');
+
+			% boundary conditions    
+			fprintf(fid,'%s\n%s\n%s\n','<frame key="2" label="Boundary conditions">','<section name="stressbalance" />'); 			 
+			fprintf(fid,'%s%s%s%s%s\n%s\n%s\n%s\n',    '<parameter key ="spcvx" type="',     	class(obj.spcvx),'" default="',    	convert2str(obj.spcvx),'">',     '     <section name="stressbalance" />','     <help> x-axis velocity constraint (NaN means no constraint) [m/yr] </help>','</parameter>');
+			fprintf(fid,'%s%s%s%s%s\n%s\n%s\n%s\n',    '<parameter key ="spcvy" type="',     	class(obj.spcvy),'" default="',    	convert2str(obj.spcvy),'">',	'     <section name="stressbalance" />','     <help> y-axis velocity constraint (NaN means no constraint) [m/yr] </help>','</parameter>');
+			fprintf(fid,'%s%s%s%s%s\n%s\n%s\n%s\n',    '<parameter key ="spcvz" type="',    	class(obj.spcvz),'" default="',    	convert2str(obj.spcvz),'">',     '     <section name="stressbalance" />','     <help> z-axis velocity constraint (NaN means no constraint) [m/yr] </help>','</parameter>');
+			fprintf(fid,'%s\n%s\n','</frame>');
+
+			% Rift options   
+			fprintf(fid,'%s\n%s\n%s\n','<frame key="3" label="Rift options">','<section name="stressbalance" />'); 	
+			fprintf(fid,'%s%s%s%s%s\n%s\n%s\n%s\n',    '<parameter key ="rift_penalty_threshold" type="',    	class(obj.rift_penalty_threshold),'" default="',       convert2str(obj.rift_penalty_threshold),'">',     '     <section name="stressbalance" />','     <help> threshold for instability of mechanical constraints </help>','</parameter>');
+			fprintf(fid,'%s%s%s%s%s\n%s\n%s\n%s\n',    	'<parameter key ="rift_penalty_lock" type="',         class(obj.rift_penalty_lock),'" default="',           convert2str(obj.rift_penalty_lock),'">',	'     <section name="stressbalance" />','     <help> number of iterations before rift penalties are locked </help>','</parameter>');
+			fprintf(fid,'%s\n%s\n','</frame>'); 
+
+			%others
+			fprintf(fid,'%s\n%s\n%s\n','<frame key="4" label="Other">','<section name="stressbalance" />'); 	
+			fprintf(fid,'%s%s%s%s%s\n%s\n%s\n%s\n',    '<parameter key ="shelf_dampening" type="',  	class(obj.shelf_dampening),'" default="',       convert2str(obj.shelf_dampening),'">',     '     <section name="stressbalance" />','     <help> use dampening for floating ice ? Only for FS model </help>','</parameter>');
+			fprintf(fid,'%s%s%s%s%s\n%s\n%s\n%s\n',  	'<parameter key ="FSreconditioning" type="', 	class(obj.FSreconditioning),'" default="',           convert2str(obj.FSreconditioning),'">',	'     <section name="stressbalance" />','     <help> multiplier for incompressibility equation. Only for FS model </help>','</parameter>');
+			fprintf(fid,'%s%s%s%s%s\n%s\n%s\n%s\n',    '<parameter key ="referential" type="',  	class(obj.referential),'" default="',       convert2str(obj.referential),'">',     '     <section name="stressbalance" />','     <help> local referential </help>','</parameter>');
+			fprintf(fid,'%s%s%s%s%s\n%s\n%s\n%s\n',  	'<parameter key ="loadingforce" type="', 	class(obj.loadingforce),'" default="',           convert2str(obj.loadingforce),'">',	'     <section name="stressbalance" />','     <help> loading force applied on each point [N/m^3] </help>','</parameter>');
+			fprintf(fid,'%s%s%s%s%s\n%s\n%s\n%s\n',    '<parameter key ="requested_outputs" type="',  	class(obj.requested_outputs),'" default="',       convert2str(obj.requested_outputs),'">',     '     <section name="stressbalance" />','     <help> additional outputs requested </help>','</parameter>');
+
+
+			fprintf(fid,'%s\n%s\n','</frame>'); 
+		end % }}}
 		function obj = stressbalance(varargin) % {{{
 			switch nargin