[vtkusers] probe cells of vtkPlaneSource output

[John Harris]

.. is this what vtkPicker might be good for do you think?

thanks again, please let me know if i should clarify
-JH


>From: "John Harris" <lost_bits1110 at hotmail.com>
>To: vtkusers at vtk.org
>Subject: [vtkusers] probe cells of vtkPlaneSource output Date: Thu, 01 Sep 
>2005 14:56:48 +0000
>
>Hello
>
>I have an unstructured grid that has velocity values associated at each 
>node.  A vtkPlaneSource slices this mesh and the velocity values that it 
>encounters are then color coded onto teh screen.
>
>The output of vtkPlaneSource is just a square block of quad cells. Is there 
>a way to probe each of these cells and find out if the velocity value it 
>encountered was from the mesh or not? (I know a simple way to do this would 
>be just to check if it has a non-zero velocity, if it does then that cell 
>definately lies on top of the mesh. The problem is that values from the 
>mesh can also be zero, and for these cases we dont know if they're from the 
>mesh or not)
>
>Let me know if you need clarification,
>
>Thank you kindly for any suggestions,
>
>JH
>
>
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