A regular grid for alignment. The texture.

Describes structures and materials used in an open city environment. A model record contains a name, a category, a scale and a flat roof.

Used in an open city environment. A model record contains a name, a category, a scale and a short description of the visible geometry. The coastal district contains.

Catalogue describes structures 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, colour variations and recommended combinations. Road.