Map of Ndrefa in GeoArrow format
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
Open in constructor →Map passport
Area2.0 km²
Buildings246
Roads44 km
What this map contains by default
This is how the map is built as-is — every setting can be changed in the constructor.
About GeoArrow
Map of Ndrefa 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
Coordinate systems
WGS 84 (EPSG:4326), selectable in the wizard
Compatibility
DuckDBApache SparkGeoPandasPolarsGDALlonboard
Units
Meters (projected in the chosen coordinate system)
| Category | Cloud |
| File extension | .arrow |
| Tier | Free |
What's in the GeoArrow map of Ndrefa
246 buildings, 43.9 km of roads.
Mostly unclassified roads 23.9 km, secondary roads 20.0 km.
Main streets: Oluko Road
How to use GeoArrow for Ndrefa
- Select the Ndrefa 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
