:sourcedir: ../../..

==== BuildingSymbolizer

The ((`<BuildingSymbolizer>`)) renders polygons in a very simple pseudo-3D fashion. The given fill color us used for the "roof", while its individual red, green and blue values are multiplied by 0.8 to create a more darkened tone for the "walls"

.BuildingSymbolizer Attributes
[options="header,unbreakable"]
|===
| Attribute      | Value      | Default
| <<example-buildingsymbolizer-fill,((`fill`))>>         | CSS color  | gray
| <<example-buildingsymbolizer-fill-opacity,((`fill-opacity`))>> | foat       | 1.0
| <<example-buildingsymbolizer-height,((`height`))>>       | float      | 0
|===

See also:

* https://github.com/mapnik/mapnik/wiki/BuildingSymbolizer[BuildingSymbolier in Mapnik Wiki]
* http://mapnik.org/mapnik-reference/#3.0.22/building[BuildingSymbolizer in Mapnik Reference]


.BuildingSymbolizer fill
[#example-buildingsymbolizer-fill]
====
[source,xml]
-----
include::{sourcedir}/examples/Symbolizer/Building/fill.xml[]
-----
image::examples/Symbolizer/Building/fill.svg[align="center"]
====

.BuildingSymbolizer fill opacity
[#example-buildingsymbolizer-fill-opacity]
====
[source,xml]
-----
include::{sourcedir}/examples/Symbolizer/Building/fill-opacity.xml[]
-----
image::examples/Symbolizer/Building/fill-opacity.svg[align="center"]
====

.BuildingSymbolizer height
====
[#example-buildingsymbolizer-height]
[source,xml]
-----
include::{sourcedir}/examples/Symbolizer/Building/height.xml[]
-----
image::examples/Symbolizer/Building/height.svg[align="center"]
====