def GetDataArray(self):
data = np.array(map(lambda x:np.array(x.data),self.columns))
arr = None
if data.shape[0]==2: # 1D
arr = DataArray(shape=[data.shape[1]],name=self.name)
arr.name = self.name
arr.coords[0] = data[0,:]
arr.data = data[1,:]
elif data.shape[0]==3: # 2D
cx = np.unique(data[0,:])
cy = np.unique(data[1,:])
arr = DataArray(shape=[len(cx),len(cy)],name=self.name)
arr.coords[0] = cx
arr.coords[1] = cy
arr.data = data[2,:].reshape((len(cx),len(cy)))
return arr
