const R2C2::View3D &get_view() const { return *main_view; }
const CameraController &get_camera_controller() const { return *camera_ctl; }
const R2C2::View3D &get_view() const { return *main_view; }
const CameraController &get_camera_controller() const { return *camera_ctl; }
void route_name_accept(const std::string &);
void svg_export_accept(const std::string &);
std::string tooltip(int, int);
void route_name_accept(const std::string &);
void svg_export_accept(const std::string &);
std::string tooltip(int, int);