FlatGeobuf (FGB)
Open BetaFlatGeobuf, FlatBuffers पर आधारित भू-डेटा के लिए एक उच्च-प्रदर्शन बाइनरी फ़ॉर्मैट है। क्लाउड-नेटिव वर्कफ़्लो और HTTP रेंज अनुरोधों के लिए अनुकूलित। किसी भी मानचित्र खंड तक तत्काल पहुँच के लिए अंतर्निहित स्थानिक सूचकांक।
मुख्य विशेषताएँ
FlatGeobuf प्रारूप के बारे में
FlatGeobuf is a binary vector data format based on FlatBuffers, which appeared in 2018 as "a shapefile for the cloud". Features are laid out in the file sequentially, with a spatial index written alongside, so the fragment you need is read directly, without parsing the whole file.
The main feature is working over HTTP range requests: you can put the file in object storage or on static hosting and read from the browser only the features that fall into the current screen. You don't have to stand up a geoserver for the sake of one layer.
All the selected layers are merged into a single .fgb, and every feature keeps a _layer attribute with the name of its source layer — it takes the export apart again into roads, buildings, water and greenery. OpenStreetMap attributes are preserved, coordinates are WGS84 (EPSG:4326), and the spatial index is written automatically.
Compared to GeoJSON the file is noticeably smaller and reads faster; compared to a shapefile there are no limits on field name length, encoding or size. There is one price to pay: you cannot look at such a file in a text editor.
FlatGeobuf फ़ाइलें कौन सा प्रोग्राम खोलता है
निम्नलिखित प्रोग्राम और अनुप्रयोग OSM2CDR से निर्यात की गई FlatGeobuf (FGB) (.fgb) फ़ाइलों को खोल, संपादित और उनके साथ काम कर सकते हैं:
Format specifications
- Open standard
- 3D coordinates supported
- Lossless (no quality loss)
- Stores feature attributes
- Output: 1 file
- FlatGeobuf .fgb. Binary streamable spatial format with built-in spatial index. 5-10x faster than Shapefile for large datasets.
FlatGeobuf मानचित्रों का उपयोग कौन करता है
FlatGeobuf कैसे निर्यात करें
निर्यात के बाद कैसे खोलें
- QGIS 3.16 and newer (free) — drag the .fgb into the program window; the format is read by the standard GDAL, no plugins needed.
- Python — geopandas.read_file("map.fgb"); a filter on the _layer column splits the export back into the source layers.
- A web map — the flatgeobuf library for JavaScript reads the file by URL and loads only the visible area; it works with Leaflet, MapLibre and deck.gl.
- ogr2ogr — ogr2ogr -f GPKG out.gpkg map.fgb converts it into GeoPackage, GeoJSON or PostGIS.
- Putting it in the cloud — when publishing to S3 or static hosting, enable CORS and Range request support, and the client will fetch only the fragments it needs.
FlatGeobuf में लोकप्रिय मानचित्र
FlatGeobuf (FGB) मानचित्र निर्यात प्राप्त करें
OpenStreetMap से पेशेवर FlatGeobuf मानचित्र डाउनलोड करें. तत्काल जनरेशन, कोई भी क्षेत्र.
अक्सर पूछे जाने वाले प्रश्न
संबंधित प्रारूप
अक्सर एक साथ निर्यात किए जाते हैं
Related Articles
FlatGeobuf (FGB) — Streaming Binary GIS Format: Internals, R-tree, HTTP Range Requests and OSM Export
Deep dive on FlatGeobuf: Bjorn Harrtell's 2018 binary format, packed Hilbert R-tree, HTTP range requests, OSM export wor
guideFlatGeobuf: A Streaming Format for Web GIS
FlatGeobuf supports HTTP range requests and spatial indexing. Comparison with GeoJSON, examples for Leaflet, MapLibre, a
formatGIS Data Formats in 2026: From Shapefile to Cloud-Native
GIS format overview: Shapefile, GeoPackage, FlatGeobuf, PMTiles, GeoParquet, COG — evolution and choice in 2026.