Repository Index

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Using a Kalman Filter to interpolate bus position based on periodic measurements

DE-9IM spatial predicate library implemented in Javascript.

• de-9im
• spatial
• predicates
• javascript

GTFSVTOR - Fast GTFS validator

Google Maps Library v1 (closed)

The soil mate app provides a simple and convenient way to collect soil data at sample locations in the field. The Soil Mate app is targeted across multiple industries, including agriculture, environmental science, geology, and mining. The current version of the app collects soil texture data.

• soil
• soil-science
• soil-properties
• soil-mapping

A traceroute tools that displaying geolocation information using IP2Location database.

• c
• geolocation
• ip-geolocation
• ip2location

A dispatching and ride coordination tool.

GTFS workflow tool **This project is DEPRECATED, see conveyal/datatools-manager for current version.**

Drag an image onto a map, trace the paths you need, and export as geojson to use in your application 🖼 ➡️ 🗺

Tile package is a compressed file containing a set of tiles and a tiling scheme, which can be used as a basemap in ArcGIS applications.

• arcgis
• basemap
• raster
• layer

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

MaxMind GeoIP2 Reader for Crystal

• maxmind-db
• maxmind-geoip2-api
• geoip2
• geoip-location

Crystal implementation of the Haversine formula to calculate distances between two points given their latitudes and longitudes

• crystal
• haversine-formula

Read and Write General Transit Feed Specification (GTFS)

• r
• gtfs

Libraries and tools for working with transit data conforming to the VDV specification.

Java client for the IP2Location.io API. Supports IP geolocation, proxy detection and WHOIS lookups. Add IPv4 and IPv6 address lookup to Java web applications, enterprise services and backend systems. Retrieve location and network intelligence through a hosted geolocation API for traffic analysis and enrichment.

• domain-lookup
• geolocation-api
• ip-geolocation
• ip2location

Geohash encoding and decoding for Elixir.

• geolocation
• geohash
• hacktoberfest

GWT client for OpenTripPlanner

Aggregates and enhances carpooling-offers and publishes them as GTFS(-RT)

• carpooling
• gtfs
• gtfs-rt
• python

TypeScript Decorators for easy scaffolding API services with the oak framework (jsr:@oak/oak)

• deno
• oak
• routing
• api

Inference of probabilistic schedules from empirical data about transit vehicles.

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

OpenStreetMap tile server