Index: /issm/trunk/src/m/classes/@model/model.m
===================================================================
--- /issm/trunk/src/m/classes/@model/model.m	(revision 1898)
+++ /issm/trunk/src/m/classes/@model/model.m	(revision 1899)
@@ -174,4 +174,5 @@
 
 	%Control
+	md.control_analysis=0;
 	md.control_type='';
 	md.nsteps=0;
Index: /issm/trunk/src/m/classes/public/display/displaycontrol.m
===================================================================
--- /issm/trunk/src/m/classes/public/display/displaycontrol.m	(revision 1898)
+++ /issm/trunk/src/m/classes/public/display/displaycontrol.m	(revision 1899)
@@ -10,14 +10,17 @@
 
 disp(sprintf('   Control solution parameters:\n'));
-
-fielddisplay(md,'control_type','parameter where inverse control is carried out; ex: ''drag'', or ''B'')');
-fielddisplay(md,'nsteps','number of optimization searches');
-fielddisplay(md,'optscal','scaling factor on gradient direction during optimization, for each optimization step');
-fielddisplay(md,'fit','''absolute: 0'', ''relative: 1'', or ''logarithmic: 2''. default is ''absolute: 0'', for each optimization steps');
-fielddisplay(md,'maxiter','maximum iterations during each optimization step');
-fielddisplay(md,'tolx','minimum tolerance which will stop one optimization search');
-fielddisplay(md,'mincontrolconstraint','minimum contraint for the controlled parameters');
-fielddisplay(md,'maxcontrolconstraint','maximum contraint for the controlled parameters');
-fielddisplay(md,'meanvel','velocity scaling factor when evaluating relative or logarithmic misfit');
-fielddisplay(md,'epsvel','for relative fit, avoids misfit becoming infinity, for logarithmic fit, threshold for velocity');
-fielddisplay(md,'plot','visualization of the results of each iteration yes -> 1 no -> 0. Default is 1');
+if md.control_analysis,
+	fielddisplay(md,'control_type','parameter where inverse control is carried out; ex: ''drag'', or ''B'')');
+	fielddisplay(md,'nsteps','number of optimization searches');
+	fielddisplay(md,'optscal','scaling factor on gradient direction during optimization, for each optimization step');
+	fielddisplay(md,'fit','''absolute: 0'', ''relative: 1'', or ''logarithmic: 2''. default is ''absolute: 0'', for each optimization steps');
+	fielddisplay(md,'maxiter','maximum iterations during each optimization step');
+	fielddisplay(md,'tolx','minimum tolerance which will stop one optimization search');
+	fielddisplay(md,'mincontrolconstraint','minimum contraint for the controlled parameters');
+	fielddisplay(md,'maxcontrolconstraint','maximum contraint for the controlled parameters');
+	fielddisplay(md,'meanvel','velocity scaling factor when evaluating relative or logarithmic misfit');
+	fielddisplay(md,'epsvel','for relative fit, avoids misfit becoming infinity, for logarithmic fit, threshold for velocity');
+	fielddisplay(md,'plot','visualization of the results of each iteration yes -> 1 no -> 0. Default is 1');
+else
+	disp(sprintf('         %s','no scheduled control. activate by doing md.control_analysis=1'));
+end