[vtkusers] about vtkDijkstraGraphGeodesicPath

[Dajiang Zhu]

Thanks, your suggestion and info are very helpful. Have a nice afternoon!

On Wed, May 19, 2010 at 1:24 PM, David Doria
<daviddoria+vtk at gmail.com<daviddoria%2Bvtk at gmail.com>
> wrote:

> Karthik seems to have answered your question, but I have some comments
> on your existing code:
>
> Karthik - when you commit this, can you update the example to
> match/demonstrate?
>
> Dajiang - See inline below:
>
> On Wed, May 19, 2010 at 1:14 PM, Dajiang Zhu <djzhu at uga.edu> wrote:
> > oh, Thanks, I got nothing because I went to a wrong place:
> > http://www.vtk.org/Wiki/VTK/Examples/Graph/DijkstraGraphGeodesicPath
>
> Where did you find that link? Was it just a mistake? Or does a link
> need to be fixed somewhere?
>
> >
> > vtkPolyDataReader* TReader=vtkPolyDataReader::New();
>
> I highly recommend you use smart pointers:
> http://www.vtk.org/Wiki/VTK/Tutorials/SmartPointers
>
> vtkSmartPointer<vtkPolyDataReader> TReader =
>  vtkSmartPointer<vtkPolyDataReader>::New();
>
> >     vtkPolyData* TsurfaceData=vtkPolyData::New();
> >     TsurfaceData=TReader->GetOutput();
>
> You should NOT create an object before assigning the output of the reader.
>
> Instead, simply do:
> vtkPolyData* TsurfaceData = TReader->GetOutput();
>
> Good luck,
>
> David
>
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