mayavi plot3d

In [1]: from __future__ import division

In [2]: from mayavi import mlab

In [3]: from numpy import pi, sin, cos, mgrid, ogrid

In [4]: [u1,v1] = ogrid[0:8:5j,0:2*pi:5j]

In [5]: [t3,t4] = ogrid[1:1:5j,1:1:5j]

In [6]: x = u1 * sin(v1)

In [7]: y = u1 * cos(v1)

In [8]: z = 5 * t3 * t4

In [9]: mlab.plot3d(x,y,z)
---------------------------------------------------------------------------
ValueError                                Traceback (most recent call last)
/home/lblasc/<ipython-input-11-783c3fe02c12> in <module>()
----> 1 mlab.plot3d(x,y,z)

/usr/lib/python2.7/dist-packages/mayavi/tools/helper_functions.pyc in the_function(*args, **kwargs)
     32 def document_pipeline(pipeline):
     33     def the_function(*args, **kwargs):
---> 34         return pipeline(*args, **kwargs)
     35
     36     if hasattr(pipeline, 'doc'):

/usr/lib/python2.7/dist-packages/mayavi/tools/helper_functions.pyc in __call__(self, *args, **kwargs)
     77             scene.disable_render = True
     78         # Then call the real logic

---> 79         output = self.__call_internal__(*args, **kwargs)
     80         # And re-enable the rendering, if needed.

     81         if scene is not None:

/usr/lib/python2.7/dist-packages/mayavi/tools/helper_functions.pyc in __call_internal__(self, *args, **kwargs)
    534         filters.
    535         """
--> 536         self.source = self._source_function(*args, **kwargs)
    537         kwargs.pop('name', None)
    538         self.store_kwargs(kwargs)

/usr/lib/python2.7/dist-packages/mayavi/tools/sources.pyc in line_source(*args, **kwargs)
   1169
   1170     data_source = MLineSource()
-> 1171     data_source.reset(x=x, y=y, z=z, scalars=s)
   1172
   1173     name = kwargs.pop('name', 'LineSource')

/usr/lib/python2.7/dist-packages/mayavi/tools/sources.pyc in reset(self, **traits)
    489         else:
    490             points = np.c_[x.ravel(), y.ravel(), z.ravel()].ravel()
--> 491             points.shape = (len(x), 3)
    492             self.set(points=points, trait_change_notify=False)
    493

ValueError: total size of new array must be unchanged