SherlockCorleone

I used the way of defining the Orthographic Camera in the [doc](https://kaolin.readthedocs.io/en/latest/modules/kaolin.render.camera.camera.html#kaolin-render-camera-camera), like this ``` orthographic_camera = Camera.from_args( eye=np.array([10.0, 0.0, 4.0]), at=np.array([0.0, 0.0, 0.0]), up=np.array([0.0, 1.0, 0.0]), width=800, height=800, near=-800,...