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Impervious layer

jeremy-b edited this page May 6, 2024 · 5 revisions

The impervious layer means any kind of artificial surfaces which obstructs the percolation of water.

Name Type Constraints Definition
the_geom POLYGON X Y dimensions Geometry
id_impervious INTEGER Primary Key Unique Identifier
id_source VARCHAR not null Identifier of the feature from the input datasource
type VARCHAR not null Type of impervious areas

type column values

List of all possible values for type column.

Term Definition
government Area with government buildings
entertainment_arts_culture Area dedicated to entertainment, arts and culture
education Area dedicated to education
military Area dedicated to military constructions
industrial Area dedicated to industrial constructions
commercial Area dedicated to commercial buildings
healthcare Area dedicated to healthcare infrastructures
transport Area dedicated to transport infrastructures
building Area dedicated to any kind of buildings
sport Area dedicated to sport infrastructures
cemetery Area dedicated to cemetery
religious Area dedicated to religious buildings
power Area dedicated to power generation and distribution
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