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arcgis2geojson.py

A Python library for converting ArcGIS JSON to GeoJSON: A partial port of ESRI's arcgis-to-geojson-utils.

Installation

pip install arcgis2geojson

Usage

As a Library

Convert an ArcGIS JSON string to a GeoJSON string

>>> from arcgis2geojson import arcgis2geojson

>>> input = """{
...     "attributes": {"OBJECTID": 123},
...     "geometry": {   "rings": [   [   [41.8359375, 71.015625],
...                                      [56.953125, 33.75],
...                                      [21.796875, 36.5625],
...                                      [41.8359375, 71.015625]]],
...                     "spatialReference": {"wkid": 4326}}}"""
>>> output = arcgis2geojson(input)

>>> output
'{"type": "Feature", "geometry": {"type": "Polygon", "coordinates": [[[41.8359375, 71.015625], [21.796875, 36.5625], [56.953125, 33.75], [41.8359375, 71.015625]]]}, "properties": {"OBJECTID": 123}, "id": 123}'

>>> type(output)
<class 'str'>

Convert a python dict to a python dict

>>> from arcgis2geojson import arcgis2geojson

>>> input = {
...     'attributes': {'OBJECTID': 123},
...     'geometry': {   'rings': [   [   [41.8359375, 71.015625],
...                                      [56.953125, 33.75],
...                                      [21.796875, 36.5625],
...                                      [41.8359375, 71.015625]]],
...                     'spatialReference': {'wkid': 4326}}}
>>> output = arcgis2geojson(input)

>>> output
{'type': 'Feature', 'geometry': {'type': 'Polygon', 'coordinates': [[[41.8359375, 71.015625], [21.796875, 36.5625], [56.953125, 33.75], [41.8359375, 71.015625]]]}, 'properties': {'OBJECTID': 123}, 'id': 123}

>>> type(output)
<class 'dict'>

On the Console

# convert ArcGIS json file to GeoJOSN file
$ arcgis2geojson arcgis.json > geo.json

# fetch ArcGIS json from the web and convert to GeoJSON
$ curl "https://myserver.com/arcgis.json" | arcgis2geojson

Licensing

arcgis2geojson is a derivative work of ESRI's arcgis-to-geojson-utils. Original code is Copyright 2015 by Esri and was licensed under the Apache License, Version 2.0.

arcgis2geojson is made available under the MIT License.