CylMesh interpolation tests.

SimPEG/Utils/__init__.py

@@ -144,6 +144,21 @@ def dependentProperty(name, value, children, doc):
         setattr(self, name, val)
     return property(fget=fget, fset=fset, doc=doc)
 
+
+def asArray_N_x_Dim(pts, dim):
+        if type(pts) == list:
+            pts = np.array(pts)
+        assert type(pts) == np.ndarray, "pts must be a numpy array"
+
+        if dim > 1:
+            pts = np.atleast_2d(pts)
+        elif len(pts.shape) == 1:
+            pts = pts[:,np.newaxis]
+
+        assert pts.shape[1] == dim, "pts must be a column vector of shape (nPts, %d) not (%d, %d)" % ((dim,)+pts.shape)
+
+        return pts
+
 def requires(var):
     """
         Use this to wrap a funciton::