[Paraview] Reader

[Dominik Szczerba]

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Please search the mailing list - there was a discussion on this very
topic several weeks ago.

Dominik

Satheesh Maheswaran wrote:
> Dear all,
> 
> I am in the process of writing a reader as a plug in.
> 
> At the moment, i am deriving my class from vtkMultiBlockDataSet - the
> data has several time steps (each time step holds several variables).
> 
> The code below works for single time step.
> 
> vtkMultiBlockDataSet *output;
> 
> //Each time step then can be created as a single instance of rectilinear Grid
> vtkRectilinearGrid *grid1 = vtkRectilinearGrid::New();
> 
> grid1->SetXCoordinates(xCoords);
> grid1->GetPointData()->AddArray(pressure);
> 
> output->SetDataSet(0, output->GetNumberOfDataSets(0), grid1)
> 
> 
> How can i extend this to add several time steps - can you please give
> me some pointers? or some example code?
> I know that I can just add more time steps by creating more instances
> of rectilinearGrid - is this the right way to go?  if so how do they
> show up when rendering - can i click on the play button to loop
> through all of the times steps in the data?
> 
> Ideally I would like the data to be loaded when user clicks on a
> particular time step rather than loading all at once - is this
> possible ? do i need to worry about this, or does paraview handle this
> in some clever way?

- --
Dominik Szczerba, Ph.D.
Computational Physics Group
Foundation for Research on IT in Society
http://www.itis.ethz.ch
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