Acoustic geolocation from the Doppler curves of propeller aircraft.
- ads-b
- audio-analysis
- doppler
- flight-tracking
Repository Index
47,133 repositories indexed
49–72 of 73 · Most stars
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
An open source Geoservices Implementation (deprecated)
Set of d3 projections for showing countries distant lands together
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
Convert GTFS data into a data.table with GPS-like records in R
- gtfs
- transport
- public-transport
- rspatial
Tiny header-only C++17 library for lat/lng geometry: distance, bearing, area, point-in-polygon and path proximity
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
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
Self-hosted 4D spatiotemporal AI platform built on PostgreSQL, PostGIS, TimescaleDB, H3 and pgvector, with anomaly & threat detection, NLQ interface and full observability.
- ai-platform
- anomaly-detection
- h3
- nlq
Crystal implementation of the Haversine formula to calculate distances between two points given their latitudes and longitudes
- crystal
- haversine-formula
OpenStreetMap Boundaries for the World!
- countries
- gis
- openstreetmap
- osm
An Erlang network service for manipulating geographic data
Command line tool to extract borders of GeoJSON Polygons into a non-overlapping set of LineString's
GTFS viewer and transit analysis tool with an Electron desktop app and a free web demo / Electron masaüstü uygulaması ve ücretsiz web demosu olan bir GTFS görüntüleme ve toplu taşıma analiz aracı
generate a static rtree (using terraformer) from a set of geojson features
Query locations for elevation data from the NASA Shuttle Radar Topography Mission
- srtm
- srtm3
- srtm1
- usgs-data