[Paraview-developers] (no subject)

[Charles Law]

Eric,

This is pretty straight forward.  You just have to make a VTK filter that 
changes an attribute of the selected cells.  The selection should be 
specified in units that is the same on all processes (not cell id, but 
world coordinates would do).  Filters (on each process) would select the 
cells/points and change the selected attribute.  No inter-process 
communication is needed.  There are several 3D widgets which will specify a 
region in ParaView.

Charles.



At 02:12 PM 8/10/2004 -0600, Stanton, Eric T wrote:

>I'm trying to determine if its possible in ParaView to modify attribute
>values of one or a group of nodes (or cells). What I would like to do is
>have the user select via a pick or box clip a set of nodes and then set a
>certain attribute of each of those nodes to the same value. The vtkPVPick
>class shows me how to get the vtkDataSetAttributes object which gives me
>access to the vtkDataArray object of the attribute in question which I can
>then modify. Does this sound feasible? Does ParaView's parallelism add a
>level of complexity that I'm not appreciating?
>
>Thanks,
>
>Eric Stanton
>Sandia National Laboratories
>Data Analysis and Visualization
>505-284-4422
>
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