This is necessary for automatic loading of resources.
~Layout3D();
Layout &get_layout() const { return layout; }
~Layout3D();
Layout &get_layout() const { return layout; }
+ Catalogue3D &get_catalogue() { return catalogue; }
const Catalogue3D &get_catalogue() const { return catalogue; }
void get_bounds(Vector &, Vector &) const;
const Catalogue3D &get_catalogue() const { return catalogue; }
void get_bounds(Vector &, Vector &) const;