[vtkusers] on GetPointCells, i need your help please!

[Dominik Szczerba]

BuildLinks can be called once at the beginning, not in the loop.
You can query the number of cell points or the cell type (check the docu)
--DS

PAUL wrote:
> Hello everyone!
> 
>  
> 
> A cell may be a vertex , a triangle, a edge and so on.
> 
> What type is the return of GetPointCells()?
> 
> I want to get all cells adjacent to a share point. is the code below right?
> 
> but I cannot get the cells sharing the interest point
> "ptIdinCurrentCell". Why? The code below:
> 
>  
> 
>      vtkCubeSource *pCube = vtkCubeSource::New();
> 
>      pCube->SetCenter(0,0,0);
> 
>      pCube->SetXLength(2);
> 
>      pCube->SetYLength(2);
> 
>      pCube->SetZLength(2);
> 
>      vtkPolyData *data = pCube->GetOutput();
> 
>      data->Update();
> 
>      int cellCount = data->GetNumberofCell();
> 
>      for (i=0;i<cellCount-1;i++)
> 
>      {
> 
>          vtkIdList *CurrentcellPts = vtkIdList::New();
> 
>          data->GetCellPoints(i,CurrentcellPts);
> 
>  
> 
>          float ccc[3];
> 
>          vtkIdType ptIdinCurrentCell = CurrentcellPts->GetId(0);
> 
>          data->GetPoint(ptIdinCurrentCell,ccc);
> 
>  
> 
>          data->BuildLinks();
> 
>          data->GetPointCells(ptIdinCurrentCell,cellIDs);
> 
>          int cellcount = cellIDs->GetNumberOfIds();
> 
>          int cellID = cellIDs->GetId(0);
> 
>      }
> 
>  
> 
> paul
> 
>  
> 
> 
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