Acoustic geolocation from the Doppler curves of propeller aircraft.
- ads-b
- audio-analysis
- doppler
- flight-tracking
Repository Index
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A user friendly way to search OpenStreetMap data for features in proximity to each other.
- gui
- javascript
- open-source-research
- open-street-map
Spatial and spatio-temporal geostatistical modelling, prediction and simulation
apply the ramer-douglas-peucker line simplification to geojson features or feature collections in JS or on the CLI
Simple Features is a pure Go Implementation of the OpenGIS Simple Feature Access Specification
A Geometry library for Elixir that calculates spatial relationships between two geometries
- spatial-analysis
- geospatial
- gis
- geometry
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
Clipping and geometric operations for spherical polygons.
- d3
- map
- polygon-clipping
- projection
An open source Geoservices Implementation (deprecated)
Open framework for calculating spatial urban sprawl indices and performing disaggregated population estimates using open data
- openstreetmap
- overpass-api
- urban-planning
- urban-sprawl
Deprecated
Tiny header-only C++17 library for lat/lng geometry: distance, bearing, area, point-in-polygon and path proximity
- cpp
- geometry
- geospatial
- gis
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
A Go project to explore the math to calculate and present data in a map using the `Web Mercator Projection`
- openstreetmap
- google-mercator-projection
- geospatial
- geolocation
Query locations for elevation data from the NASA Shuttle Radar Topography Mission
- srtm
- srtm3
- srtm1
- usgs-data
AI-powered disaster alert system for Pakistan that automatically processes official emergency warning documents.
- ai
- data-aggregation
- disaster-preparedness
- disaster-risk-reduction