JavaのGeoArrow形式マップ
A map built from OpenStreetMap data, ready to download

Customize the map
Open this place's area in the constructor and adjust everything to your needs
Map passport
What this map contains by default
This is how the map is built as-is — every setting can be changed in the constructor.
GeoArrowについて
Map of Java in GeoArrow — an export of real OpenStreetMap data for the selected area.
GeoArrow is an Apache Arrow IPC extension for geodata. Columnar format with zero-copy reads, ideal for large geodataset analytics.
Which layers are in the file
This file for the selected area contains:
- Roads
- Buildings
- Points of interest
Coordinate systems
WGS 84 (EPSG:4326), selectable in the wizard
Compatibility
Units
Meters (projected in the chosen coordinate system)
| カテゴリ | Cloud |
| ファイル拡張子 | .arrow |
| レベル | Free |
What's in the GeoArrow map of Java
317 buildings, 33.8 km of roads, 2 points of interest.
Mostly secondary roads 24.8 km, unclassified roads 8.7 km, residential streets 0.3 km.
Among the objects: schools — 1, marketplaces — 1.
How to use GeoArrow for Java
- Select the Java map area on the main page
- Choose GeoArrow format and configure export settings
- Click Export and wait for processing
- Download the file and use in your application





