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.. _example_pick_on_surface:
Pick on surface example
--------------------------------------------
Example showing how to pick data on a surface, going all the way back
to the index in the numpy arrays.
In this example, two views of the same data are shown. One with the data
on a sphere, the other with the data flat.
We use the 'on_mouse_pick' method of the scene to register a callback on
clicking on the sphere. The callback is called with a picker object as
and an argument. We use the point_id of the point that has been picked,
and go back to the 2D index on the data matrix to find its position.
**Python source code:** :download:`pick_on_surface.py`
.. literalinclude:: pick_on_surface.py
:lines: 12-
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