Method BuildRepresentation

Common/DataModel/vtkSphericalPointIterator.cxx:560–596

------------------------------------------------------------------------------ The Initialize() method is assumed to have been called.

//------------------------------------------------------------------------------
// The Initialize() method is assumed to have been called.
void vtkSphericalPointIterator::BuildRepresentation(vtkPolyData* pd)
{
  // Initialize the representation
  pd->Reset();

  // Get the basic iterator information
  int numAxes = this->GetNumberOfAxes();
  double* center = this->Iterator->Center;

  // Build the polydata
  vtkNew<vtkPoints> pts;
  pts->SetDataTypeToDouble();
  pts->SetNumberOfPoints(numAxes + 1);
  vtkNew<vtkCellArray> lines;
  vtkNew<vtkUnsignedIntArray> lineNumbers;
  lineNumbers->SetNumberOfTuples(numAxes);
  pd->SetPoints(pts);
  pd->SetLines(lines);
  pd->GetCellData()->AddArray(lineNumbers);

  // Loop over axes. The center point goes first.
  vtkIdType linePts[2];
  linePts[0] = 0;
  pts->SetPoint(0, center[0], center[1], center[2]);
  for (auto i = 1; i <= numAxes; ++i)
  {
    int axisNum = i - 1;
    double x[3];
    x[0] = center[0] + this->Iterator->Axes[axisNum].A[0];
    x[1] = center[1] + this->Iterator->Axes[axisNum].A[1];
    x[2] = center[2] + this->Iterator->Axes[axisNum].A[2];
    pts->SetPoint(i, x);
    linePts[1] = i;
    lines->InsertNextCell(2, linePts);
    lineNumbers->SetTypedComponent(axisNum, 0, axisNum);
  }
}

//------------------------------------------------------------------------------
void vtkSphericalPointIterator::PrintSelf(ostream& os, vtkIndent indent)