Function BoostPolygonFromPolygon

src/utilities/geometry/Intersection.cpp:1273–1292

Converts a Polygon to a BoostPolygon

/// Converts a Polygon to a BoostPolygon
boost::optional<BoostPolygon> BoostPolygonFromPolygon(const Polygon3d& polygon, Point3dVector& allPoints, double tol) {
  BoostPolygon boostPolygon;

  for (const Point3d& vertex : polygon.getOuterPath()) {

    // should all have zero z coordinate now
    //double z = vertex.z();
    //if (std::abs(z) > tol) {
    //  LOG_FREE(Error, "utilities.geometry.boostPolygonFromVertices", "All points must be on z = 0 plane");
    //  return boost::none;
    //}
    boost::geometry::append(boostPolygon, boostPointFromPoint3d(vertex, allPoints, tol));
  }

  const Point3dVector& path = polygon.getOuterPath();
  const Point3d& first = path.front();
  boost::geometry::append(boostPolygon, boostPointFromPoint3d(first, allPoints, tol));

  return boostPolygon;
}

Polygon3d PolygonFromBoostPolygon(const BoostPolygon& boostPolygon, Point3dVector& allPoints, double tol) {
  Polygon3d p;