message: Added missing documentation of frontal_angle_threshold in select_contour
diff: @@ -266,6 +266,7 @@ get_contour_correspondences(const core::LandmarkCollection<Eigen::Vector2f>& lan
  * @param[in] yaw_angle Yaw angle in degrees.
  * @param[in] contour_landmarks 2D image contour ids of left or right side (for example for ibug landmarks).
  * @param[in] model_contour The model contour indices that should be used/considered to find the closest corresponding 3D vertex.
  + * @param[in] frontal_angle_threshold If the yaw angle is between +- this threshold (in degrees), both contours will be selected.
  * @return A pair with two vectors containing the selected 2D image contour landmark ids and the 3D model contour indices.
  */
  inline std::pair<std::vector<std::string>, std::vector<int>>
  