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examples for isolines - a python library for street networks isolines and isochrones : https://github.com/mlichter2/isolines

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isolines-examples

This is an examples repository for isolines a python library for street networks isolines and isochrones : https://github.com/mlichter2/isolines

isolines is a Python library for creating street networks isolines (equal-distance) and isochrones (equal-time) polygons with just one line of code. It is built on top of Shapely, geopandas, NetworkX and osmnx.

isolines allows you to create isolines:

  • from OSM data without any data input or * use your own data: your own network and source locations

Examples include

  • basic examples
  • adding isolines and isochrones to an existing instance
  • refining isolines' concave boundaries and smoothing
  • refining source location geometry
  • tweaking location geometry sample interval
  • using different data sources
  • example using US Census Tiger data
  • geometry types
  • using local coordinate systems
import isolines as il
df = il.isolines('Prospect Park, Brooklyn, NYC, USA', metric = 'time',values=[3, 6, 9])
df
geometry time
0 POLYGON ((-73.9715 40.6492,... 3
1 POLYGON ((-73.9708 40.6470,... 6
2 POLYGON ((-73.9704 40.6448... 9

However, if you which to explore your result with built-in visualization and be able to amend them and perform EDA use one of the following classes: GpdIsolimes, NXIsoliner, OsmIsolines

iso = il.OsmIsolines('Prospect Park, Brooklyn, NYC, USA', metric = 'time', values=np.arange(2.5, 22.5, 2.5), unit = 'ft', sample = 600)
iso.plot_isolines(figsize = (10, 10))

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