JavaのTopoJSON形式マップ
Javaの地図をTopoJSON形式でダウンロード。OpenStreetMapデータ、即時生成。
生成には約1〜3分かかります
Map passport
Area1.9 km²
Buildings317
Roads34 km
Points of interest2
ProjectionWGS-84 (EPSG:4326)
LicenseODbL
Data sourceOpenStreetMap
TopoJSONについて
TopoJSON is a GeoJSON extension with topology. Shared boundaries are stored once, providing 80% compression for polygon data.
使用例
- Choropleth maps
- D3.js visualization
- administrative boundaries
- compact maps
| カテゴリ | GIS |
| ファイル拡張子 | .topojson |
| レベル | Free |
What's in the TopoJSON 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, marketplace — 1.
How to use TopoJSON for Java
- Select the Java 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
Programs that open TopoJSON
D3.jstopojson CLIMapshaperObservableQGIS (plugin)