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MapServer Query

This simple module allows you to easily generate query URLs for ArcGIS MapServer APIs.

Install

Install with your favourite package manager. For example, install with pip:

pip install mapserver_query@git+https://github.com/swsphn/mapserver-query.git

Or add to a Poetry project:

poetry add mapserver_query@git+https://github.com/swsphn/mapserver-query.git

Use

Refer to the ArcGIS API docs for supported query parameters:
https://developers.arcgis.com/rest/services-reference/enterprise/query-feature-service-layer/

Arguments:

Returns:
URL with query appended. e.g:
https://geo.abs.gov.au/arcgis/rest/services/ASGS2021/SA2/MapServer/0/query?geometryType=esriGeometryEnvelope

Examples:

from mapserver_query import mapserver_query

url = "https://geo.abs.gov.au/arcgis/rest/services/ASGS2021/SA2/MapServer/0"
mapserver_query(
    url,
    geometry="149.964039508913, -34.7693150002823, 151.075483568455, -33.8017423609583",
    geometryType="esriGeometryEnvelope",
    inSR=4326,
    spatialRel="esriSpatialRelIntersects",
    outFields="*",
    returnGeometry="true",
    featureEncoding="esriDefault",
    f="geojson",
)
# "https://geo.abs.gov.au/arcgis/rest/services/ASGS2021/SA2/MapServer/0/query?geometryType=esriGeometryEnvelope&outFields=%2A&returnGeometry=true&f=geojson&geometry=149.964039508913%2C+-34.7693150002823%2C+151.075483568455%2C+-33.8017423609583&inSR=4326&spatialRel=esriSpatialRelIntersects&featureEncoding=esriDefault"

Once you have generated a query URL you can use it. For example, you can open it in your browser to inspect the JSON data. Or you can pass it to requests.get(), or geopandas.read_file() as required.

Contribute

This project is built with uv.