521 Building

Geometry: area

Definition

A building is a relatively permanent construction having a roof. Buildings within symbol Area that shall not be entered (520) may just be represented in a simplified manner. Areas totally contained within a building shall be mapped as being a part of the building.
The minimum gap between buildings and other impassable features shall be 0.40 mm. Boundaries in touching buildings shall not be represented.

Parameters

Minimum width: 0.5 mm.

Minimum area: 0.25 mm² (footprint 4 m²).

Colour: black (outline), black 50%.

Comments

The definition of this map symbol was updated on 02.01.2022: Change of colour: 60% –> 50%.