Method GetLines

Web/WebGLExporter/vtkWebGLPolyData.cxx:422–453

}

void vtkWebGLPolyData::GetLines(vtkTriangleFilter* polydata, vtkActor* actor, int lineMaxSize)
{
  vtkWebGLPolyData* object = this;
  vtkCellArray* lines = polydata->GetOutput(0)->GetLines();

  // Index
  // Array of 3 Values. [#number of index, i1, i2]
  // Discarting the first value
  vtkDataArray* conn = lines->GetConnectivityArray();
  const vtkIdType connSize = conn->GetNumberOfValues();
  int* index = new int[static_cast<size_t>(connSize)];
  for (vtkIdType i = 0; i < connSize; ++i)
  {
    index[i] = static_cast<int>(conn->GetComponent(i, 0));
  }
  // Point
  double point[3];
  float* points = new float[polydata->GetOutput(0)->GetNumberOfPoints() * 3];
  for (int i = 0; i < polydata->GetOutput(0)->GetNumberOfPoints(); i++)
  {
    polydata->GetOutput(0)->GetPoint(i, point);
    points[i * 3 + 0] = point[0];
    points[i * 3 + 1] = point[1];
    points[i * 3 + 2] = point[2];
  }
  // Colors
  unsigned char* color = new unsigned char[polydata->GetOutput(0)->GetNumberOfPoints() * 4];
  this->GetColorsFromPolyData(color, polydata->GetOutput(0), actor);

  object->SetLine(points, polydata->GetOutput(0)->GetNumberOfPoints(), index,
    static_cast<int>(connSize), color, lineMaxSize);
}

void vtkWebGLPolyData::SetPoints(
  float* points, int numberOfPoints, unsigned char* colors, int maxSize)