GeoArrow (Apache Arrow)
Price before paymentGeoArrow، جغرافیائی ڈیٹا کے لیے Apache Arrow پر مبنی ایک کالمی فارمیٹ ہے۔ یہ بگ ڈیٹا تجزیات، ML پائپ لائنز اور تصویر سازی کے لیے بہترین ہے۔ یہ DuckDB، Pandas، Polars اور دیگر Arrow ہم آہنگ آلات کے ساتھ کام کرتا ہے۔
OpenStreetMap data as of 26 October 2026 · 20 days ago
اہم خصوصیات
GeoArrow فارمیٹ کے بارے میں
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.
کون سا پروگرام GeoArrow فائلیں کھولتا ہے
درج ذیل پروگرام اور ایپلیکیشنز OSM2CDR سے برآمد کردہ GeoArrow (Apache Arrow) (.arrow) فائلوں کو کھول، ترمیم اور ان کے ساتھ کام کر سکتے ہیں:
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.
GeoArrow نقشے کون استعمال کرتا ہے
GeoArrow کیسے برآمد کریں
ایکسپورٹ کے بعد کیسے کھولیں
- 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).
GeoArrow (Apache Arrow) نقشہ برآمدات حاصل کریں
OpenStreetMap سے پیشہ ورانہ GeoArrow نقشے ڈاؤن لوڈ کریں۔ فوری تخلیق، کوئی بھی علاقہ۔
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