[vtkusers] PolyData and tensors

[David Doria]

On Wed, Mar 24, 2010 at 6:46 PM, Darshan Pai <darshanpai at gmail.com> wrote:

> I am trying to make a polydata composed of polylines , I am planning to add
> tensor information at each of the points .
> i want to make a EllipsoidTensorProbeRepresentation which will add this
> polyline as a trajectory so that I can get an
> ellipsoid representation across the polyline.
>
> My main problem is adding the tensor.
> I did the following
>
> vtkDoubleArray *dbar = vtkDoubleArray::New();
> dbar->SetNumberOfValues(size);
> dbar->SetNumberOfComponents(9);
>
> The for each point I add the 9 components using the following function
>
> dbar->SetComponent(i,0,1)
> dbar->SetComponent(i,1,1);
> .............. and so on
>
> When I try to add it to the polydata though
> indata->GetPointData()->SetTensors(dbar);
>
> It crashes .
>
> I am not sure where I am going wrong
>
> Please Help
>
> Darshan
>
>
Can you make the smallest compilable example that demonstrates this behavior
and post it to the list?

Thanks,

David
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://www.vtk.org/pipermail/vtkusers/attachments/20100324/a81d16d9/attachment.htm>