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Tokugawa Data contains boundaries for Circuits (doo) and Provinces (kuni).
The boundaries were derived from several sources:
- Japan Ministry of Land Infrastructure and Transport (historical map of the circuits) [MLIT]
- UNEP / GRID prefecture boundaries GIS data [GRID]
- DCW coastal boundary data [DCW]
The basic boundary was first determined from the MLIT data. The coast was snapped from DCW, and when possible the land boundaries were taken from the GRID data. In some cases the boundaries did not align with modern prefectures, and these were estimated and digitized by hand from a georeferenced image of the MLIT map.
DEM Images are included for use as topographic background maps. The images were processed from GTOPO-30 datasets, which have a resolution of 30 arc seconds (1 km) per pixel.
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| Other Datasets |
Date Type |
Source |
Filesize |
Download |
| 1995 Towns & Municipalities |
POINTS (centroid coordinates) |
CHGIS |
700 KB |
excel spreadsheet |
| 1990 Prefecture (ken) Boundaries |
POLYGONS |
GRID |
250 KB |
shapefile |
| 1990 Coastline Boundaries |
POLYGONS |
DCW |
200 KB |
shapefile |
| DEM Images |
Date Type |
Source |
Filesize |
Download |
| 1996 DEM Image - North Japan |
RASTER |
GTOPO-30 |
10 MB |
geotiff |
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| 1996 DEM Image - South Japan |
RASTER |
GTOPO-30 |
2 MB |
geotiff |
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Tokugawa Kuni (circa 1828) (polygons)
Tokugawa Daimyo (circa 1664) (polygons)
Tokugawa Daimyo Seats (circa 1664) (points)