[Paraview] Reader

[Burlen Loring]

There is a tutorial on time in PV here:

http://www.vtk.org/Wiki/IEEE_Vis08_ParaView_Tutorial



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?
>   


-- 
Burlen Loring
Kitware, Inc.
R&D Engineer
28 Corporate Drive
Clifton Park, NY 12065-8662
Phone: 518-371-3971 x137