Method GeneratePolyLine

Modules/PlanarFigure/src/DataManagement/mitkPlanarCircle.cpp:145–176

}

void mitk::PlanarCircle::GeneratePolyLine()
{
  // TODO: start circle at specified boundary point...

  // clear the PolyLine-Contrainer, it will be reconstructed soon enough...
  this->ClearPolyLines();

  const Point2D &centerPoint = GetControlPoint(0);

  double radius = m_MinRadius;
    
  if (!m_RadiusFixed)
  {
    const Point2D &boundaryPoint = GetControlPoint(1);
    radius = centerPoint.EuclideanDistanceTo(boundaryPoint);
  }

  // Generate poly-line with 64 segments
  for (int t = 0; t < 64; ++t)
  {
    const double alpha = (double)t * vnl_math::pi / 32.0;

    // construct the new polyline point ...
    Point2D polyLinePoint;
    polyLinePoint[0] = centerPoint[0] + radius * cos(alpha);
    polyLinePoint[1] = centerPoint[1] + radius * sin(alpha);

    // ... and append it to the PolyLine.
    // No extending supported here, so we can set the index of the PolyLineElement to '0'
    this->AppendPointToPolyLine(0, polyLinePoint);
  }
}

void mitk::PlanarCircle::GenerateHelperPolyLine(double /*mmPerDisplayUnit*/, unsigned int /*displayHeight*/)
{