geochatt 0.1.0

Utility Functions for Working with Open GeoSpatial Data about Chattanooga

geochatt

Utility Functions for Working with Open GeoSpatial Data about Chattanooga

features

• very fast: uses STRTree for super fast reverse geocoding
• get address from point
• get city council district from point
• get municipality from point
• get zip code from point

install

pip install geochatt

usage

import geochatt

geochatt.get_address(longitude=-85.3076591, latitude=35.0432979)
"101 E 11TH ST"

geochatt.get_city_council_district(longitude=-85.3076591, latitude=35.0432979)
8

geochatt.get_municipality(longitude=-85.3076591, latitude=35.0432979)
"Chattanooga"

geochatt.get_zipcode(longitude=-85.3076591, latitude=35.0432979)
37402

# get_parcel returns a string representing a Well-known text-format polygon
geochatt.get_parcel(address="101 E 11TH ST")
'POLYGON ((-85.3069572 35.043897, -85.3074818 35.0440926, -85.3075952 35.0438743, -85.3078311 35.0434433, -85.3073192 35.0432494, -85.3069718 35.0438707, -85.3069572 35.043897))'

# get_parcel_centroid returns a Shapely Point object
geochatt.get_parcel_centroid(address="101 E 11TH ST")
<POINT (-85.307 35.044)>

performance

Reverse geocoding is super fast thanks to STRTree. The performance test of geocoding 1 million random points takes 122.900 seconds, which is 0.000122 seconds per point.