Function test_Triangle

Common/DataModel/Testing/Cxx/otherCellPosition.cxx:166–205

}

void test_Triangle(ostream& strm)
{
  double dist2;
  int subId;

  vtkNew<vtkTriangle> triangle;
  double triangleCoords[3], triangleWeights[3], trianglePosition[3];
  double trianglePoint[4][3] = { { 10.0, 10.0, 10.0 }, { 12.0, 10.0, 10.0 }, { 11.0, 12.0, 12.0 },
    { 11, 11, 11 } };
  double triangleClosest[3];

  triangle->GetPointIds()->SetId(0, 0);
  triangle->GetPointIds()->SetId(1, 1);
  triangle->GetPointIds()->SetId(2, 2);

  triangle->GetPoints()->SetPoint(0, 10.0, 10.0, 10.0);
  triangle->GetPoints()->SetPoint(1, 12.0, 10.0, 10.0);
  triangle->GetPoints()->SetPoint(2, 11.0, 12.0, 12.0);

  int n = sizeof(trianglePoint) / (3 * sizeof(double));
  for (int j = 0; j < n; j++)
  {
    triangle->EvaluatePosition(&trianglePoint[j][0], &triangleClosest[0], subId, &triangleCoords[0],
      dist2, &triangleWeights[0]);
    strm << "vtkTriangle (" << trianglePoint[j][0] << ", " << trianglePoint[j][1] << ", "
         << trianglePoint[j][2] << ")" << std::endl;
    strm << "\tclosest: " << triangleClosest[0] << ", " << triangleClosest[1] << ", "
         << triangleClosest[2] << std::endl;
    strm << "\tcoords: " << triangleCoords[0] << ", " << triangleCoords[1] << ", "
         << triangleCoords[2] << std::endl;
    strm << "\tweights: " << triangleWeights[0] << ", " << triangleWeights[1] << ", "
         << triangleWeights[2] << std::endl;
    strm << "\tsubid: " << subId << std::endl;
    strm << "\tdist2: " << dist2 << std::endl;
    triangle->EvaluateLocation(subId, triangleCoords, trianglePosition, triangleWeights);
    strm << "\tposition: " << trianglePosition[0] << ", " << trianglePosition[1] << ", "
         << trianglePosition[2] << std::endl;
    strm << std::endl;
  }
}

void test_TriangleStrip(ostream& strm)
{