Repository Index

Geographic calculations for Elixir

• hacktoberfest

RTree2D is a 2D immutable R-tree for ultra-fast nearest and intersection queries in plane and spherical coordinates

• scala
• rtree
• 2d
• str

Package with useful functions to create geo-spatial visualizations from a GTFS.

Clipping and geometric operations for spherical polygons.

• d3
• map
• polygon-clipping
• projection

CoGran - A command line tool for combining data of different spatial granularity

Correct GeoJSON geometries that cross the 180th meridian

• antimeridian
• geojson
• python
• geospatial

An open source Geoservices Implementation (deprecated)

• geoservices
• geojson
• arcgis
• gis

Set of d3 projections for showing countries distant lands together

A self-hostable REST-like API to get the time zone from geo coordinates

• geo
• timezones
• api
• rest

Command line tool to generate point labels from GeoJSON polygons

Open framework for calculating spatial urban sprawl indices and performing disaggregated population estimates using open data

• openstreetmap
• overpass-api
• urban-planning
• urban-sprawl

Deprecated

• sql
• in-memory-database
• geojson
• typesript

A turf.js-like geospatial analysis library working with GeoJSON, written in pure Dart.

• dart
• geojson
• geojson-parser
• turf

Convert GTFS data into a data.table with GPS-like records in R

• gtfs
• transport
• public-transport
• rspatial

Classes and methods for spatio-temporal data

An Elixir implementation of the CONREC algorithm for topographic or isochrone maps.

• gis
• conrec
• map
• elixir

Tiny header-only C++17 library for lat/lng geometry: distance, bearing, area, point-in-polygon and path proximity

• cpp
• geometry
• geospatial
• gis

Fast and storage-efficient spatial database engine for OpenStreetMap data

• database
• geodesk
• geospatial
• openstreetmap

GTFS Segments: A fast and efficient library to generate bus stop spacings

• bus
• stop
• distribution
• gtfs-feed

A command line utility to convert heavy GIS sources into elegant administrative & topographic topojson files, raster files, and web friendly svg maps.

New York City Census Reporting Tool

• census-data
• demographics
• nyc
• ember

Github Mirror of Charles F. F. Karney GeographicLib from SF

Draw a polygon on the map or paste a geoJSON and explore how the s2.RegionCoverer covers it with S2 cells depending on the min and max levels

• s2
• geojson
• go

DE-9IM spatial predicate library implemented in Javascript.

• de-9im
• spatial
• predicates
• javascript