General Information

What is this

This service provides FGD (Fundamental Geospatial Data) DEM data within specified extent as you need. FGD DEM data originally created by GSI (Geospatial Information Authority of Japan).

This service including two part; "Extraction App" to extract DEM by WWW map application, and WCS.

[Image: Overview of this service]

Extraction App

Extraction App is the WWW application which provides specifed extent by users. Extraction App including application which has HTML and JavaScript and providing service which Extraction App uses.

The Service Used By Extraction App

Extraction App does not use WCS, but uses The Service Used By Extraction App. For more information about The Service, see Specification of The Service Used By Extraction App.


Web Coverage Service (WCS) is the interface specification to retrive raster data, and is OGC (Open Geospatial Consortium) Standard.

Terms of Use

Visit Terms of Use before you use this service at first time.


This service provides JSON based raster data. Sample codes using JSON based raster has some samples.

For more information about JSON based raster, see Specification of Raster data based on JSON.

  • This application uses Fundamental Geospatial Data published by The Geospatial Information Authority of Japan (GSI) with its approval under the article 30 of The Survey Act. (Approval Number ZYOU-SHI No.340 2015)
  • A part of this service is a result of SIP (Cross-ministerial Strategic Innovation Promotion Program), Agro-Innovation.

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National Agriculture and Food Research Organization