Pandas Network Analysis - dataframes of network queries, quickly
Project description
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# Pandana
Pandana is a Python package that uses [contraction hierarchies](https://en.wikipedia.org/wiki/Contraction_hierarchies) to perform rapid network calculations including shortest paths and accessibility buffers. The computations are parallelized for use on multi-core machines using an underlying C/C++ library. Pandana is tested on Mac, Linux, and Windows with Python 2.7, 3.6, and 3.7.
Documentation: http://udst.github.io/pandana
### Installation
The easiest way to install Pandana is using the [Anaconda](https://www.anaconda.com/distribution/) package manager. Pandana’s Anaconda distributions are pre-compiled and include multi-threading support on all platforms.
conda install pandana –channel conda-forge
See the documentation for information about other [installation options](http://udst.github.io/pandana/installation.html).
### Demo
[Example.ipynb](https://github.com/UDST/pandana/blob/master/examples/Example.ipynb)
The image below shows the distance to the _second_ nearest restaurant from each street intersection in the city of San Francisco. Pandana can calculate this in about half a second of computation time.
<img src=”https://raw.githubusercontent.com/udst/pandana/master/docs/img/distance_to_restaurants.png” width=400>
## Acknowledgments
None of this would be possible without the help of Dennis Luxen and his [OSRM](https://github.com/DennisOSRM/Project-OSRM) project. Thank you Dennis!
### Academic Literature
A [complete description of the methodology](http://onlinepubs.trb.org/onlinepubs/conferences/2012/4thITM/Papers-A/0117-000062.pdf) was presented at the Transportation Research Board Annual Conference in 2012. Please cite this paper when referring to the methodology implemented by this library.
### Related UDST libraries
[OSMnet](https://github.com/udst/osmnet)
[UrbanAccess](https://github.com/udst/urbanaccess)
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