pygsielev 0.1.1

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PyGsiElev

This is a tiny Python package that can get the elevation of specified coordinates, using the open DEM data distributed from GSI.

Prepare data

• Download DEM data from GSI's download service. The service is free of charge, but user registration is required.

• Place the downloaded zip files together in a directory of your choice.

How to use

Install pygsielev package using pip.

$ pip install pygsielev

Import pygsielev.ElevationExtractor class and instanciate with data_dir. Then, call get_elevation() of the object with longitude and latitude.

>>> from pygsielev import ElevationExtractor
>>> engine = ElevationExtractor(data_dir="data/")
>>> print(engine.get_elevation(lon=138.727299, lat=35.360785))
(3774.9, 'その他')

It returns a tuple contains (elevation, surface type).

Note: When the data_dir paramater is omitted, the environmental variable GSIELEV_DATADIR will be used to get the data directory.

Operating environment

This package works with Python 3.9 or later. It uses only the standard library.

Contributing

Pull requests are welcome.

Author

Takeshi Sagara [e-mail]

License

This package can be used under the MIT License.