GeoArrow (Apache Arrow)
Open BetaGeoArrow ir uz Apache Arrow balstīts kolonnveida formāts ģeotelpiskiem datiem. Ideāli piemērots lielo datu analītikai, ML plūsmām un vizualizācijai. Darbojas ar DuckDB, Pandas, Polars un citiem ar Arrow saderīgiem rīkiem.
OpenStreetMap data as of 24 August 2026 · 35 days ago
Galvenās iespējas
Par GeoArrow formātu
Apache Arrow is the standard for representing tables in memory: columns lie contiguously, the schema is described explicitly, and different programs read the very same bytes without copying or re-encoding. GeoArrow is the agreement on how to store geometry inside that structure so that GeoPandas, DuckDB, Polars, deck.gl and GDAL understand it.
The format is taken when data is not displayed but computed: spatial joins over millions of features, feature preparation for a model, a dashboard on top of a columnar engine. At those volumes, parsing text GeoJSON eats more time than the analysis itself.
The output is a single .arrow file (Apache Arrow IPC, also known as Feather v2). All the layers are merged into one table, and every row has a layer column with the name of its source layer. Geometry is stored as a binary column in WKB format, and the WGS84 (EPSG:4326) coordinate system is described in the schema metadata per the GeoArrow 1.0.0 convention.
By default the file is compressed with the zstd codec; you can choose lz4 or no compression at all. There is a safety limit of 10 million features per export, so as not to eat up the server's memory.
Kura programma atver GeoArrow failus
Tālāk norādītās programmas un lietotnes var atvērt, rediģēt un strādāt ar GeoArrow (Apache Arrow) (.arrow) failiem, kas eksportēti no OSM2CDR:
Format specifications
- Open standard
- 3D coordinates supported
- Lossless (no quality loss)
- Stores feature attributes
- Output: 1 file
- GeoArrow .arrow (Apache Arrow extension). In-memory columnar geometry, zero-copy interop with pandas, R, Julia.
Kas izmanto GeoArrow kartes
Kā eksportēt GeoArrow
Kā atvērt pēc eksporta
- Python — pyarrow.ipc.open_file("map.arrow").read_all() gives you the table; the geometry is restored from the WKB column with shapely.from_wkb or geopandas.
- DuckDB — INSTALL spatial; LOAD spatial; then SELECT * FROM 'map.arrow' and ST_GeomFromWKB on the geometry column.
- Polars and pandas — pl.read_ipc("map.arrow") or reading through pyarrow: the attribute part works like an ordinary table, with no geo wrapping.
- R and Julia — the arrow packages read the same file: it is one format across all languages, no conversion needed.
- Visualization and GIS — lonboard and deck.gl draw Arrow tables directly; for QGIS it is easier to convert to GeoPackage with ogr2ogr (GDAL 3.8 and newer).
Populāras kartes formātā GeoArrow
Eksportējiet kartes formātā GeoArrow (Apache Arrow)
Lejupielādējiet profesionālas GeoArrow kartes no OpenStreetMap. Tūlītēja ģenerēšana, jebkurš apgabals.
Biežāk uzdotie jautājumi
What people who already downloaded say
Reviews are quoted in the language their authors wrote them in.
Наконец-то карты можно скачать в векторе. Автору спасибо!
всё очень круто, не ожидал что просто приду и скачаю кусочек карты! спасибо!!!
ОГРОМНОЕ СПАСИБО!!! ОЧЕНЬ ХОРОШАЯ ПРОГРАММА!!! Искал карту в векторе на стыке 3 стран - очень помогло!!
Ты - молодец! Сделал большое и нужное дело!
Иван, спасибо огромное! Не просто человек - Человечище!
иван, вы просто чудо. Спасибо за неимоверно крутой сервис
Относительно быстро и качественно собирает карты, самое приятно что бесплатно. удобно выбирать области
Saistītie formāti
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