[vtkusers] vtkCellLinks

[chensiqi]

Hi, VTKers.
 
I have a VTKPoints object "points" and a VTKCellArray "cellArray" object which defines the connectivity of VTKPoints.  Now I want to link those points in a right order ( either clockwise or counter- ).  I think vtkCellLinks can do this job, but seems there is no explanations or examples so far.  
 
Here is my piece of code, it doesn't work as it should be. But I have no idea how to make it work.
/////////////////////////////////////////
 vtkUnstructuredGrid *dataSet = vtkUnstructuredGrid::New(); dataSet->SetPoints( points ); vtkCellLinks *link = vtkCellLinks::New(); link->Allocate( points->GetNumberOfPoints(), ext ); link->BuildLinks(dataSet, cellArray);
 link->GetLink ( Id );
////////////////////////////////////////
 
 
Have a good holiday.
Siqi
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