Articles about map export formats, tools and OpenStreetMap data use cases.
IndoorGML is an OGC standard (2014 v1.0, 2018 v1.1) for indoor spatial information: dual-graph representation (cells + connectivity), the basis for indoor navigation in airports, malls, hospitals, emergency response, and IoT location services.
Deep guide to the IGC format by the International Gliding Commission FAI — A/H/I/B/K/G records, G-record digital signature, XContest and OLC use, how to prepare a competition task via osm2cdr.ru.
GeoRSS is a geo extension for RSS 2.0 and Atom 1.0 from W3C Geospatial Incubator Group (2006): GeoRSS Simple and GML variants, the basis for USGS earthquake feeds, NOAA severe weather alerts, Flickr photo streams, citizen science.
GeoCSV is a CSV format with lat/lon columns or a WKT geometry column and an optional .csvt sidecar for types: the lingua franca for exchanging POI and datasets between Excel teams, GIS teams, and data scientists via open data portals.
Geobuf is a protobuf-based binary encoding for GeoJSON from Mapbox (Vladimir Agafonkin, 2015): 6-8x compression, lossless round-trip, infrastructure layer for mobile map clients, edge CDN caches, and bandwidth-constrained networks.
G-code (RS-274 EIA standard 1980, ISO 6983) is the text command language for CNC, lasers, and 3D printers: the oldest and most universal machine language, the foundation of desktop fabrication from Prusa and Bambu to Shapeoko, Glowforge, and Fusion 360 CAM.
Esri JSON is a feature serialization format from the ArcGIS REST API (Esri, 2008+): an alternative to GeoJSON for enterprise GIS, the native output of ArcGIS Online Web Maps, ArcGIS JavaScript API, and feature services.
Deep guide to Garmin Edge FIT files: what sensors the bike computer logs, how power-meter and Di2 fields are structured, how to use an osm2cdr.ru GPX export as a route in Edge and read the resulting .fit log in Python.
Tajima DST is a binary embroidery format from Tajima Industries Japan (1980s): the de-facto standard for commercial and hobby embroidery, supported by Brother, Barudan, ZSK, Happy machines, the foundation for Wilcom Embroidery Studio and Inkstitch.
DuckDB is an in-process OLAP database ("SQLite for analytics") from CWI Amsterdam (Mark Raasveldt, Hannes Mühleisen, MIT license); the Spatial extension with GEOS + GDAL + PROJ makes it a Postgres-free PostGIS for notebook-driven GIS workflows.
Guide to Bentley iModel and the iTwin platform: evolution from DGN and i.dgn to SQLite-based .bim, digital twins of bridges and railways, open-source iTwin.js, and how to use OSM context from osm2cdr.ru.
Deep guide to Civil 3D: specialized C3D objects inside DWG, format history, LandXML interop, and how to load an OSM road network from osm2cdr.ru into Civil 3D.