Map of Diffa Region in TopoJSON 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
What this map contains by default
This is how the map is built as-is — every setting can be changed in the constructor.
About TopoJSON
Map of Diffa Region in TopoJSON: 12 954 km of roads, 1% green areas — in the WGS 84 coordinate system, units are meters.
Which layers are in the file
This file for the selected area contains:
- Roads
- Water
- Greenery
Geometry by layer
- Roads — lines (LineString) with OpenStreetMap tags
- Water — waterbody polygons and watercourse lines with tags
- Greenery — green-zone polygons with tags
What the file carries
The TopoJSON file for Diffa Region: features are split into named layers, OpenStreetMap tags are kept as feature attributes.
File size
The expected size of the TopoJSON file for Diffa Region is about 1 MB; the exact size depends on the chosen layers and area.
Coordinate systems
WGS 84 (EPSG:4326), selectable in the wizard
Compatibility
Units
Meters (projected in the chosen coordinate system)
| Category | GIS |
| File extension | .topojson |
| Tier | Free |
What's in Diffa Region
73,046 buildings (1,016 residential, 2 commercial, 1 industrial, 1 religious), 12,953.7 km of roads, 355 points of interest, 10 landmarks.
The area covers 145,777 km², with about 1 buildings per km².
Mostly unclassified roads 11,378.8 km, residential streets 978.5 km, trunk roads 366.7 km.
1.4% of the area is green space.
The map marks 4 water bodies.
Key amenities: schools — 91, hospitals — 5, clinics — 31.
Public transport: 14 bus stops.
Main streets: Route Nationale 41
Landmarks: Kazelmarie, Tribune officielle, Tribune, Ancienne mairie Ngourti, Tribune officielle
How to use TopoJSON for Diffa Region
- Select the Diffa Region map area on the main page
- Choose TopoJSON format and configure export settings
- Click Export and wait for processing
- Download the file and use in your application
