Method AddMirrorPoint

IO/NetCDF/vtkMPASReader.cxx:1966–1993

//------------------------------------------------------------------------------

int vtkMPASReader::AddMirrorPoint(int index, double dividerX, double offset)
{
  double X = this->PointX[index];
  double Y = this->PointY[index];

  // add on east
  if (X < dividerX)
  {
    X += offset;
  }
  else
  {
    // add on west
    X -= offset;
  }

  assert(this->CurrentExtraPoint < this->ModNumPoints);
  this->PointX[this->CurrentExtraPoint] = X;
  this->PointY[this->CurrentExtraPoint] = Y;

  size_t mirrorPoint = this->CurrentExtraPoint;

  // record mapping
  *(this->PointMap + (this->CurrentExtraPoint - this->NumberOfPoints - this->PointOffset)) = index;
  this->CurrentExtraPoint++;

  return static_cast<int>(mirrorPoint);
}

//------------------------------------------------------------------------------
// Check for out-of-range values and do bugfix