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Project Description

gjtk is a library for working with GeoJSON. It aims to be as compliant with the specification (soon standard, hopefully) as possible.


gjtk is available on PyPI.

pip install gjtk


import gjtk



Method Description
positions_of(geojson) returns all the Positions in a valid GeoJSON object
features_of(geojson) returns all the Features in a valid GeoJSON object
geometries_of(geojson) returns all the Geometries in a valid GeoJSON object


Method Description
point(position) returns a valid Point
multi_point(coordinates) returns a valid MultiPoint
line_string(coordinates) returns a valid LineString
multi_line_string(coordinates) returns a valid MultiLineString
polygon(coordinates) returns a valid Polygon
multi_polygon(coordinates) returns a valid MultiPolygon
geometry_collection(geometries) returns a valid GeometryCollection
feature(geometry, properties) returns a valid Feature
feature_collection(features) returns a valid FeatureCollection


Method Description
position(max_numbers=3, min_numbers=2) returns a random Position
point_coordinates() returns random Point coordinates
multi_point_coordinates(max_positions=6, min_positions=0) returns random MultiPoint coordinates
line_string_coordinates(max_positions=6, min_positions=2) returns random LineString coordinates
linear_ring_coordinates() returns random LinearRing coordinates
multi_line_string_coordinates(max_line_strings=6, min_line_strings=1) returns random MultiLineString coordinates
polygon_coordinates() returns random Polygon coordinates
multi_polygon_coordinates(max_polygons=6, min_polygons=1) returns random MultiPolygon coordinates
geometry() returns a random Geometry
point() returns a random Point
multi_point() returns a random MultiPoint
line_string() returns a random LineString
multi_line_string() returns a random MultiLineString
polygon() returns a random Polygon
multi_polygon() returns a random MultiPolygon
geometry_collection(max_geometries=3, min_geometries=0) returns a random GeometryCollection
feature() returns a random Feature
feature_collection(max_features=3, min_features=0) returns a random FeatureCollection
crs() returns a random CRS
link() returns a random Link
bbox(max_dimensions=4, min_dimensions=2) returns a random Bbox


Method Description
is_geojson(anything) returns True when passed a valid GeoJSON object, otherwise False
is_geometry(anything) returns True when passed a valid Geometry, otherwise False
is_position(anything) returns True when passed a valid Position, otherwise False
is_point_coordinates(anything) returns True when passed valid Point coordinates, otherwise False
is_multi_point_coordinates(anything) returns True when passed valid MultiPoint coordinates, otherwise False
is_line_string_coordinates(anything) returns True when passed valid LineString coordinates, otherwise False
is_linear_ring_coordinates(anything) returns True when passed valid LinearRing coordinates, otherwise False
is_multi_line_string_coordinates(anything) returns True when passed valid MultiLineString coordinates, otherwise False
is_polygon_coordinates(anything) returns True when passed valid Polygon coordinates, otherwise False
is_multi_polygon_coordinates(anything) returns True when passed valid MultiPolygon coordinates, otherwise False
is_point(anything) returns True when passed a valid Point, otherwise False
is_multi_point(anything) returns True when passed a valid MultiPoint, otherwise False
is_line_string(anything) returns True when passed a valid LineString, otherwise False
is_multi_line_string(anything) returns True when passed a valid MultiLineString, otherwise False
is_polygon(anything) returns True when passed a valid Polygon, otherwise False
is_multi_polygon(anything) returns True when passed a valid MultiPolygon, otherwise False
is_geometry_collection(anything) returns True when passed a valid GeometryCollection, otherwise False
is_feature(anything) returns True when passed a valid Feature, otherwise False
is_feature_collection(anything) returns True when passed a valid Feature Collection, otherwise False
is_crs(anything) returns True when passed a valid CRS, otherwise False
has_crs(anything) returns True when passed a GeoJSON object that validly specifies a CRS, otherwise False
is_link(anything) returns True when passed a valid Link, otherwise False
is_bbox(anything) returns True when passed a valid Bbox, otherwise False
has_bbox(anything) returns True when passed a GeoJSON object that validly specifies a Bbox, otherwise False
equal_positions(position1, position2) returns True when all parameters are identical Positions, otherwise False
contained_polygon(innerLinearRing, outerLinearRing) returns True when one LinearRing contains another, otherwise False


Copyright (C) 2016 David Tucker

This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version.

This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public License along with this library; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA

Release History

Release History


This version

History Node

TODO: Figure out how to actually get changelog content.

Changelog content for this version goes here.

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Download Files

Download Files

TODO: Brief introduction on what you do with files - including link to relevant help section.

File Name & Checksum SHA256 Checksum Help Version File Type Upload Date
gjtk-3.0.0.tar.gz (23.7 kB) Copy SHA256 Checksum SHA256 Source May 23, 2016

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