Method SamplePoints

Filters/Modeling/vtkPolyDataPointSampler.cxx:419–436

Internal methods for sampling edges, triangles, and polygons

  // Internal methods for sampling edges, triangles, and polygons
  void SamplePoints() override
  {
    // First the vertex points
    double ranVal, frac = (this->Distance / std::pow(this->Length, 0.3333));
    for (auto i = 0; i < this->NumPts; ++i)
    {
      ranVal = this->RandomSeq->GetValue();
      this->RandomSeq->Next();
      if (ranVal <= frac)
      { // insert point
        this->OutPts->InsertNextPoint(this->InPts->GetPoint(i));
        if (this->InPD)
        {
          this->OutPD->CopyData(this->InPD, i, i);
        }
      }
    }
  }

  void SampleEdge(vtkIdType p0, vtkIdType p1) override
  {