mapcomplete/Docs/Layers/walls_and_buildings.md

walls_and_buildings

Special builtin layer providing all walls and buildings. This layer is useful in presets for objects which can be placed against walls (e.g. AEDs, postboxes, entrances, addresses, surveillance cameras, …). This layer is invisible by default and not toggleable by the user.

• This layer is shown at zoomlevel 18 and higher
• This layer is not visible by default and must be enabled in the filter by the user.
• This layer is not visible by default and the visibility cannot be toggled, effectively resulting in a fully hidden layer. This can be useful, e.g. to calculate some metatags. If you want to render this layer (e.g. for debugging), enable it by setting the URL-parameter layer-=true
• Not visible in the layer selection by default. If you want to make this layer toggable, override name
• Not rendered on the map by default. If you want to rendering this on the map, override mapRenderings
• This layer will automatically load entrance into the layout as it depends on it: a calculated tag loads features from this layer (calculatedTag[0] which calculates the value for _entrance_properties)
• This layer is needed as dependency for layer advertising
• This layer is needed as dependency for layer artwork
• This layer is needed as dependency for layer clock
• This layer is needed as dependency for layer defibrillator
• This layer is needed as dependency for layer entrance
• This layer is needed as dependency for layer surveillance_camera
• This layer is needed as dependency for layer facadegardens
• This layer is needed as dependency for layer ghostsigns
• This layer is needed as dependency for layer parking_spaces_disabled

Table of contents

1. Themes using this layer
2. Basic tags for this layer
3. Supported attributes

• entrance_info
• Entrances
• biggest_width
• leftover-questions
• lod

Themes using this layer

• advertising
• aed
• artwork
• clock
• facadegardens
• ghostsigns
• indoors
• memorials
• onwheels
• personal
• stations
• surveillance
• walls_and_buildings

Basic tags for this layer

Elements must match any of the following expressions:

• barrier=wall
• building~.+

Execute on overpass

Supported attributes

entrance_info

This tagrendering has no question and is thus read-only

Entrances

This building has {_entrances_count} entrances:{multi(_entrance_properties_with_width,An entrance of &LBRACEcanonical&LPARENSwidth&RPARENS&RBRACE,)}{_entrances_count_without_width_count} entrances don't have width information yet

• No entrance has been marked is shown if with _entrances_count=0
• None of the {_entrance_count} entrances have width information yet is shown if with _entrances_count_without_width=_entrances_count

biggest_width

This tagrendering has no question and is thus read-only The entrance with the biggest width is {canonical(_biggest_width)} wide

This tagrendering is only visible in the popup if the following condition is met: _biggest_width_id~.+

leftover-questions

This tagrendering has no question and is thus read-only {questions( ,)}

lod

This tagrendering has no question and is thus read-only {linked_data_from_website()}

This tagrendering has labels added_by_default

This document is autogenerated from assets/layers/walls_and_buildings/walls_and_buildings.json