don't compute crossfield

Geo/discreteFace.cpp

@@ -275,7 +275,7 @@ void discreteFace::createGeometry()
     df->replaceEdges(toParam[i]->my_GEdges);
     _atlas.push_back(df);
   }
-  complex_crossField();
+  //complex_crossField();
 #endif
 }
 

tutorial/t13.geo

@@ -32,14 +32,10 @@ Volume(1) = {1};
 
 // element size imposed by a size field
 Field[1] = MathEval;
-Field[1].F = "2.0";
+Field[1].F = "1.5";
 Background Field = 1;
 
-DefineConstant[
-  funny = {0, Choices{0,1},
-    Name "Parameters/Apply funny mesh size field?"}
-];
-
+funny = DefineNumber[0, Choices{0,1}, Name "Parameters/Apply funny mesh size field?" ];
 If(funny)
   Field[1].F = "2*Sin((x+y)/5) + 3";
 EndIf