[vtkusers] Changing cell data

[Mathieu Malaterre]

> I initialise the doc/view by creating a VTK file and reading it in as 
> the window is opened. I use a vtkUnstructuredGridReader and then a 
> vtkGeometryFilter (pGeometry) to extract the information. In the file I 
> create a dummy pressure at each point list that I can manipulate and a 
> real list of the materials for each cell (which I can then colour using 
> the pMatLut). However, I also want to be able to associate a double 
> precision scalar with each cell (and subsequently manipulate it). Has 
> anybody any ideas how this can be done?


Hi James,

	You can have as many celldata arrays as you want, if I understand your 
question correctly all you need is to add another array. Otherwise you 
can have a look at FieldData arrays which should allow you more flexibility.

My 2 cents
Mathieu