And materials used in an open city environment. A model record contains a name, a category, a scale and a flat roof with ventilation panels. The material reference lists surface names.
The collision outline follows the primary shape and excludes decorative surface details. Objects with repeated dimensions can form a longer boundary along the pedestrian route. The mountain district contains warehouses, loading platforms and narrow service roads.
Model record contains a name, a category, a scale and a short description of the visible geometry. The coastal district contains rock formations and curved paths leading towards the lookout. The harbour reference describes cargo containers.