Method InverseTransformPoints

Common/Transforms/vtkTransform2D.cxx:223–235

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//------------------------------------------------------------------------------
void vtkTransform2D::InverseTransformPoints(const float* inPts, float* outPts, int n)
{
  if (this->Matrix->GetMTime() > this->InverseMatrix->GetMTime())
  {
    vtkMatrix3x3::Invert(this->Matrix, this->InverseMatrix);
  }
  double* M = this->InverseMatrix->GetData();

  for (int i = 0; i < n; ++i)
  {
    vtkHomogeneousTransformPoint2D(M, &inPts[2 * i], &outPts[2 * i]);
  }
}

//------------------------------------------------------------------------------
void vtkTransform2D::InverseTransformPoints(const double* inPts, double* outPts, int n)