diff --git a/interp/grid/DD.py b/interp/grid/DD.py
index 2046864..ae88b4b 100644
--- a/interp/grid/DD.py
+++ b/interp/grid/DD.py
@@ -30,33 +30,28 @@ class rect_grid(basegrid):
 class random_grid(rect_grid):
   def __init__(self, num_verts = 10):
     verts = []
-    q = []
 
-    r = np.random
     appx_side_res = int(np.sqrt(num_verts))
     delta = 1.0 / float(appx_side_res)
 
-    for x in xrange(appx_side_res + 1):
+    verts.append([0,0])
+    verts.append([1,0])
+    verts.append([0,1])
+    verts.append([1,1])
+
+    for x in xrange(1,appx_side_res):
       cur_x = x * delta
       for cur_y in (0, 1):
         new_point = [cur_x, cur_y]
         verts.append(new_point)
-        q.append(exact_func(new_point))
 
-    for y in xrange(appx_side_res + 1):
+    for y in xrange(1,appx_side_res):
       cur_y = y * delta
       for cur_x in (0, 1):
         new_point = [cur_x, cur_y]
         verts.append(new_point)
-        q.append(exact_func(new_point))
 
-    for i in xrange(num_verts):
-      cur_x = r.rand()
-      cur_y = r.rand()
+    verts.extend(np.random.random((num_verts - 4*appx_side_res, 2)))
 
-      verts.append([cur_x, cur_y])
-      q.append( exact_func( (cur_x, cur_y) ) )
-    basegrid.__init__(self, verts, q)
-
-    self.verts = np.array(self.verts)
-    self.q      = np.array(self.q)
+    q = np.zeros(len(verts))
+    basegrid.__init__(self, np.array(verts), q)