changed the 2D gmsh to work with new baker method

interp/grid/gmsh.py

@@ -39,7 +39,8 @@ class gmsh_grid(grid):
 
     node_count = int(gmsh_file.readline())
 
-    self.verts = np.empty((node_count, 3))
+    # for dim = 2, see note in next for loop
+    self.verts = np.empty((node_count, 2))
     self.q     = np.empty(node_count)
 
     for i in xrange(node_count):
@@ -49,8 +50,10 @@ class gmsh_grid(grid):
 
       self.verts[i][0] = float(x)
       self.verts[i][1] = float(y)
-      self.verts[i][2] = float(z)
-      # self.q[i] = exact_func(self.verts[i])
+
+      # for the general baker method to work, it must have 2
+      # components if it it a 2D mesh, so I removed:
+      # self.verts[i][2] = float(z)
 
 
     grid.__init__(self)