[Insight-users] Display itkVoronoiDiagram2D

[Steffan]

That's right, a C/C error, but that doesn't change anything to my problem.

I only give an x,y coordinates, but I also tried by adding a z coordinates, that didn't change anything.

thanks for notice it :)

--
Steffan Ulysse Rigaud

On Monday, June 27, 2011 at 11:09 AM, robert tamburo wrote: 
> Not sure if this is related to the error, but looks like your 3rd point is not initialized correctly:
> Point3[0] = 0; Point2[1] = -1;
> 
> On Sun, Jun 26, 2011 at 11:04 PM, Steffan <ulysse.rigaud at gmail.com> wrote:
> > Hello everyone,
> > 
> > I've discover that itk has an implementation of Voronoi, which is quite great for me:
> > itkVoronoiDiagram2D
> > itkVoronoiDiagram2DGenerator
> > Where itkVoronoiDiagram2DGenerator generates an itkVoronoiDiagram2D which inherit from itkMesh.
> > 
> > I'm trying to make it simple for now by giving 3 inputs points (Point1,Point2,Point3), and write the output Mesh in a vtkPolyData. 
> > 
> > typedef itk::VoronoiDiagram2DGenerator<float>  VoronoiDiagram2DGeneratorType; 
> > typedef VoronoiDiagram2DGeneratorType::PointType PointType;
> > typedef VoronoiDiagram2DGeneratorType::VDMesh  VoronoiMeshType;
> > typedef itk::VTKPolyDataWriter<VoronoiMeshType>  PolyDataWriterType;
> > 
> > PointType Point1;
> > Point1[0] = -1; Point1[1] = 1;
> > PointType Point2;
> > Point2[0] = 1; Point2[1] = 1;
> > PointType Point3;
> > Point3[0] = 0; Point2[1] = -1;
> > 
> > VoronoiDiagram2DGeneratorType::Pointer voronoiGenerator = VoronoiDiagram2DGeneratorType::New();
> > voronoiGenerator->AddOneSeed( Point1 );
> > voronoiGenerator->AddOneSeed( Point2 );
> > voronoiGenerator->AddOneSeed( Point3 );
> > 
> > PolyDataWriterType::Pointer writer = PolyDataWriterType::New();
> > writer->SetFileName("voronoiMesh.vtk");
> > writer->SetInput(voronoiGenerator->GetOutput());
> > 
> > writer->Update();
> > 
> > That's give me 3 errors inside the VTKPolyDataWriter.txx:
> > 
> > /../ITKsources/Modules/Core/Mesh/include/itkVTKPolyDataWriter.txx:65:0 /../ITKsources/Modules/Core/Mesh/include/itkVTKPolyDataWriter.txx:65:  instantiated from 'void itk::VTKPolyDataWriter<TInputMesh>::Update() [with TInputMesh = itk::VoronoiDiagram2D<float>]' 
> > /../Voronoi/main.cxx:42:0 /../Voronoi/main.cxx:42:  instantiated from here
> > /../ITKsources/Modules/Core/Mesh/include/itkVTKPolyDataWriter.txx:191:0 /../ITKsources/Modules/Core/Mesh/include/itkVTKPolyDataWriter.txx:191: error: invalid conversion from 'itk::CellInterface<float, itk::CellTraitsInfo<2, float, float, long unsigned int, long unsigned int, long unsigned int, itk::Point<float, 2u>, itk::MapContainer<long unsigned int, itk::Point<float, 2u> >, std::set<long unsigned int, std::less<long unsigned int>, std::allocator<long unsigned int> > > >* const' to 'itk::PolygonCell<itk::CellInterface<float, itk::CellTraitsInfo<2, float, float, long unsigned int, long unsigned int, long unsigned int, itk::Point<float, 2u>, itk::MapContainer<long unsigned int, itk::Point<float, 2u> >, std::set<long unsigned int, std::less<long unsigned int>, std::allocator<long unsigned int> > > > >*'
> > 
> > 
> > /../ITKsources/Modules/Core/Mesh/include/itkVTKPolyDataWriter.txx:65:0 /../ITKsources/Modules/Core/Mesh/include/itkVTKPolyDataWriter.txx:65:  instantiated from 'void itk::VTKPolyDataWriter<TInputMesh>::Update() [with TInputMesh = itk::VoronoiDiagram2D<float>]' 
> > /../Voronoi/main.cxx:42:0 /../Voronoi/main.cxx:42:  instantiated from here
> > /../ITKsources/Modules/Core/Mesh/include/itkVTKPolyDataWriter.txx:225:0 /../ITKsources/Modules/Core/Mesh/include/itkVTKPolyDataWriter.txx:225: error: invalid conversion from 'itk::CellInterface<float, itk::CellTraitsInfo<2, float, float, long unsigned int, long unsigned int, long unsigned int, itk::Point<float, 2u>, itk::MapContainer<long unsigned int, itk::Point<float, 2u> >, std::set<long unsigned int, std::less<long unsigned int>, std::allocator<long unsigned int> > > >* const' to 'itk::PolygonCell<itk::CellInterface<float, itk::CellTraitsInfo<2, float, float, long unsigned int, long unsigned int, long unsigned int, itk::Point<float, 2u>, itk::MapContainer<long unsigned int, itk::Point<float, 2u> >, std::set<long unsigned int, std::less<long unsigned int>, std::allocator<long unsigned int> > > > >*'
> > 
> > 
> > /../ITKsources/Modules/Core/Mesh/include/itkVTKPolyDataWriter.txx:65:0 /../ITKsources/Modules/Core/Mesh/include/itkVTKPolyDataWriter.txx:65:  instantiated from 'void itk::VTKPolyDataWriter<TInputMesh>::Update() [with TInputMesh = itk::VoronoiDiagram2D<float>]' 
> > /../Voronoi/main.cxx:42:0 /../Voronoi/main.cxx:42:  instantiated from here
> > /../ITKsources/Modules/Core/Mesh/include/itkVTKPolyDataWriter.txx:240:0 /../ITKsources/Modules/Core/Mesh/include/itkVTKPolyDataWriter.txx:240: error: invalid conversion from 'itk::CellInterface<float, itk::CellTraitsInfo<2, float, float, long unsigned int, long unsigned int, long unsigned int, itk::Point<float, 2u>, itk::MapContainer<long unsigned int, itk::Point<float, 2u> >, std::set<long unsigned int, std::less<long unsigned int>, std::allocator<long unsigned int> > > >* const' to 'itk::PolygonCell<itk::CellInterface<float, itk::CellTraitsInfo<2, float, float, long unsigned int, long unsigned int, long unsigned int, itk::Point<float, 2u>, itk::MapContainer<long unsigned int, itk::Point<float, 2u> >, std::set<long unsigned int, std::less<long unsigned int>, std::allocator<long unsigned int> > > > >*'
> > 
> > Well, I'm stuck there, I don't know how to display an itkVoronoiDiagram2D, except using the PolyDataWriter but that doesn't seem to work. 
> > If you have any idea that could help be on how to generate the VoronoiDiagram and to display, I would be grateful.
> > 
> > 
> > 
> > Thanks in advance.
> > 
> >  -- 
> > Steffan Ulysse Rigaud
> > 
> > 
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