[vtkusers] Add new vertexes inside 3D structure

[jaki19]

the documentations are not very clear for me, I don't understand the result
where are my polys??

   
 
            vtkSTLReader reader = new vtkSTLReader();
            reader.SetFileName(path3d);
           
            reader.Update();
            vtkPolyData input = new vtkPolyData();
            input = reader.GetOutput();
  
            System.out.println("Before subdivision" );
            System.out.println("-----------------");
            System.out.print("points: "+input.GetNumberOfPoints() +
"\n");/---->points: 4500/
            System.out.print("polys: "+input.GetNumberOfPolys() +
"\n");/------>polys: 6580/
            System.out.println("Cells:
"+input.GetNumberOfCells());/------>Cells: 6580/
            System.out.println("verts:
"+input.GetNumberOfVerts());/------>verts: 0/
            System.out.println("lines:
"+input.GetNumberOfLines());/------>lines: 0/
            System.out.println("Strips:
"+input.GetNumberOfStrips());------>Strips: 0
            System.out.println("pieces:
"+input.GetNumberOfPieces());------>pieces: 1

            vtkRandomAttributeGenerator rag =new
vtkRandomAttributeGenerator();
            rag.SetInputData(input);
                    
                    
            vtkTessellatorFilter tesla= new vtkTessellatorFilter();
            tesla.SetInputConnection(rag.GetOutputPort());
            tesla.MergePointsOn();
            tesla.Update();
            
            for ( int odim = 1; odim < 4; ++odim )
            {
                      tesla.SetOutputDimension( odim );
                      tesla.Update();
            }
 
            tesla.MergePointsOff();
            tesla.Update();
            
            
            vtkPolyData subdivised = new vtkPolyData();
            subdivised.ShallowCopy(tesla.GetOutput());
            
            
            System.out.println("After Tessellation" );
            System.out.println("-----------------");
            System.out.print("points"+subdivised.GetNumberOfPoints() +
"\n"); ---->points: 19740
            System.out.print("polys"+subdivised.GetNumberOfPolys() +
"\n");------>polys:0
           
System.out.println("Cells"+subdivised.GetNumberOfCells());------>Cells: 0
           
System.out.println("verts"+subdivised.GetNumberOfVerts());------>verts: 0
           
System.out.println("lines"+subdivised.GetNumberOfLines());------>lines: 0
           
System.out.println("Strips"+subdivised.GetNumberOfStrips());------>Strips: 0
           
System.out.println("pieces"+subdivised.GetNumberOfPieces());------>pieces: 1
            




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