Skip to main content

Bidirectional UTM-WGS84 converter for python

Project description

https://travis-ci.org/Turbo87/utm.png

Bidirectional UTM-WGS84 converter for python

Usage

import utm

Convert a (latitude, longitude) tuple into an UTM coordinate:

utm.from_latlon(51.2, 7.5)
>>> (395201.3103811303, 5673135.241182375, 32, 'U')

The syntax is utm.from_latlon(LATITUDE, LONGITUDE).

The return has the form (EASTING, NORTHING, ZONE NUMBER, ZONE LETTER).

Convert an UTM coordinate into a (latitude, longitude) tuple:

utm.to_latlon(340000, 5710000, 32, 'U')
>>> (51.51852098408468, 6.693872395145327)

The syntax is utm.to_latlon(EASTING, NORTHING, ZONE NUMBER, ZONE LETTER).

The return has the form (LATITUDE, LONGITUDE).

Since the zone letter is not strictly needed for the conversion you may also the northern parameter instead, which is a named parameter and can be set to either True or False. Have a look at the unit tests to see how it can be used.

The UTM coordinate system is explained on this Wikipedia page.

Speed

The library has been compared to the more generic pyproj library by running the unit test suite through pyproj instead of utm. These are the results:

  • with pyproj (without projection cache): 4.0 - 4.5 sec

  • with pyproj (with projection cache): 0.9 - 1.0 sec

  • with utm: 0.4 - 0.5 sec

Development

Create a new virtualenv and install the library via pip install -e .. After that install the pytest package via pip install pytest and run the unit test suite by calling py.test.

Changelog

see CHANGELOG.rst file

Authors

License

Copyright (C) 2012 Tobias Bieniek <Tobias.Bieniek@gmx.de>

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the “Software”), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED “AS IS”, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

Project details


Download files

Download the file for your platform. If you're not sure which to choose, learn more about installing packages.

Source Distribution

utm-0.4.0.tar.gz (5.7 kB view details)

Uploaded Source

File details

Details for the file utm-0.4.0.tar.gz.

File metadata

  • Download URL: utm-0.4.0.tar.gz
  • Upload date:
  • Size: 5.7 kB
  • Tags: Source
  • Uploaded using Trusted Publishing? No

File hashes

Hashes for utm-0.4.0.tar.gz
Algorithm Hash digest
SHA256 016c7094e62d2fd8f69db0ba106fa52092f663822b1b7804e321e4a11cd2bf5d
MD5 613a1f0ac10372eff2f313cf24edfe2e
BLAKE2b-256 1cc6b29ba29537a6cb6ac2f5cddbc5421133c8e1e9beaaba4f489b768d97b2de

See more details on using hashes here.

Supported by

AWS Cloud computing and Security Sponsor Datadog Monitoring Fastly CDN Google Download Analytics Pingdom Monitoring Sentry Error logging StatusPage Status page