Method SavePixelListFrame

Rendering/Volume/vtkUnstructuredGridVolumeZSweepMapper.cxx:3324–3386

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//------------------------------------------------------------------------------
void vtkUnstructuredGridVolumeZSweepMapper::SavePixelListFrame()
{
  vtkPolyData* dataset = vtkPolyData::New();

  vtkIdType height = this->ImageInUseSize[1];
  vtkIdType width = this->ImageInUseSize[0];
  vtkPixelListEntry* current;
  vtkIdType i;

  vtkPoints* pts = vtkPoints::New();
  pts->SetDataTypeToDouble();

  vtkDoubleArray* dataArray = vtkDoubleArray::New();
  vtkCellArray* vertices = vtkCellArray::New();
  vtkIdType pointId = 0;

  //  height=151;
  //  width=151;

  vtkIdType y = 0; // 150;
  while (y < height)
  {
    vtkIdType x = 0; // 150;
    while (x < width)
    {
      i = y * this->ImageInUseSize[0] + x;
      current = this->PixelListFrame->GetFirst(i);
      while (current != nullptr)
      {
        double* values = current->GetValues();

        double point[3];
        point[0] = x;
        point[1] = y;
        point[2] = values[2]; // zWorld

        pts->InsertNextPoint(point);
        dataArray->InsertNextValue(values[3]);
        vertices->InsertNextCell(1, &pointId);
        current = current->GetNext();
        ++pointId;
      }
      ++x;
    }
    ++y;
  }
  dataset->SetPoints(pts);
  pts->Delete();
  dataset->SetVerts(vertices);
  vertices->Delete();
  dataset->GetPointData()->SetScalars(dataArray);
  dataArray->Delete();

  /*
  vtkXMLPolyDataWriter *writer=vtkXMLPolyDataWriter::New();
  writer->SetFileName("pixellistframe.vtp");
  writer->SetInputData(dataset);
  writer->SetIdTypeToInt32();