Safe Haskell	None

Data.Geography.GeoJSON

Contents

Types
Functions

Description

Support for parsing and manipulating GeoJSON 1.0 <http://geojson.org/geojson-spec.html>.

Synopsis

Types

data FeatureCollection Source

A GeoJSON feature collection object <http://geojson.org/geojson-spec.html#feature-collection-objects>.

Constructors

FeatureCollection
Fields collectionBoundingBox :: Maybe Value features :: [Feature]

Instances

Eq FeatureCollection
Show FeatureCollection
FromJSON FeatureCollection

data Feature Source

A GeoJSON feature object <http://geojson.org/geojson-spec.html#feature-objects>.

Constructors

Feature
Fields boundingBox :: Maybe Value geometry :: Geometry properties :: Value identifier :: Maybe Value

Instances

Eq Feature
Show Feature
FromJSON Feature

data Geometry Source

A GeoJSON geometry object <http://geojson.org/geojson-spec.html#geometry-objects>.

Constructors

Point PointGeometry	A GeoJSON `Point` <http://geojson.org/geojson-spec.html#point>.
MultiPoint MultiPointGeometry	A GeoJSON `MultiPoint` <http://geojson.org/geojson-spec.html#multipoint>.
LineString LineStringGeometry	A GeoJSON `LineString` <http://geojson.org/geojson-spec.html#linestring>.
MultiLineString MultiLineStringGeometry	A GeoJSON `MultiLineString` <http://geojson.org/geojson-spec.html#multilinestring>.
Polygon PolygonGeometry	A GeoJSON `Polygon` <http://geojson.org/geojson-spec.html#polygon>.
MultiPolygon MultiPolygonGeometry	A GeoJSON `MultiPolygon` <http://geojson.org/geojson-spec.html#multipolygon>.
GeometryCollection [Geometry]	A GeoJSON `GeometryCollection` <http://geojson.org/geojson-spec.html#geometry-collection>.

Instances

Eq Geometry
Read Geometry
Show Geometry
FromJSON Geometry

data PointGeometry Source

GeoJSON Point geometry <http://geojson.org/geojson-spec.html#point>.

Constructors

PointGeometry
Fields coordinates :: [Scientific]

Instances

Eq PointGeometry
Read PointGeometry
Show PointGeometry
FromJSON PointGeometry

data MultiPointGeometry Source

GeoJSON MultiPoint geometry <http://geojson.org/geojson-spec.html#multipoint>.

Constructors

MultiPointGeometry
Fields points :: [PointGeometry]

Instances

Eq MultiPointGeometry
Read MultiPointGeometry
Show MultiPointGeometry
FromJSON MultiPointGeometry

data LineStringGeometry Source

GeoJSON LineString geometry <http://geojson.org/geojson-spec.html#linestring>.

Constructors

LineStringGeometry
Fields lineString :: [PointGeometry]

Instances

Eq LineStringGeometry
Read LineStringGeometry
Show LineStringGeometry
FromJSON LineStringGeometry

data MultiLineStringGeometry Source

GeoJSON MultiLineString geometry <http://geojson.org/geojson-spec.html#multilinestring>.

Constructors

MultiLineStringGeometry
Fields lineStrings :: [LineStringGeometry]

Instances

Eq MultiLineStringGeometry
Read MultiLineStringGeometry
Show MultiLineStringGeometry
FromJSON MultiLineStringGeometry

data PolygonGeometry Source

GeoJSON Polygon geometry <http://geojson.org/geojson-spec.html#polygon>.

Constructors

PolygonGeometry
Fields exterior :: [PointGeometry] holes :: [[PointGeometry]]

Instances

Eq PolygonGeometry
Read PolygonGeometry
Show PolygonGeometry
FromJSON PolygonGeometry

data MultiPolygonGeometry Source

GeoJSON MultiPolygon geometry <http://geojson.org/geojson-spec.html#multipolygon>.

Constructors

MultiPolygonGeometry
Fields polygons :: [PolygonGeometry]

Instances

Eq MultiPolygonGeometry
Read MultiPolygonGeometry
Show MultiPolygonGeometry
FromJSON MultiPolygonGeometry

Functions

readGeoJSON Source

Arguments

:: FilePath	The path to the file to be read.
-> IO (Maybe FeatureCollection)	An action for reading and parsing the file as a feature collection.

Read and parse a GeoJSON file.