Java地图 GeoArrow格式
A map built from OpenStreetMap data, ready to download
地图档案
面积1.9 平方公里
建筑物317
道路34 公里
兴趣点2
What this map contains by default
This is how the map is built as-is — every setting can be changed in the constructor.
关于 GeoArrow
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)，可在向导中选择
Compatibility
DuckDBApache SparkGeoPandasPolarsGDALlonboard
Units
Meters (projected in the chosen coordinate system)
| 类别 | 云端 |
| 文件扩展名 | .arrow |
| 级别 | 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
Programs that open GeoArrow
DuckDBApache SparkGeoPandasPolarsGDALlonboard
