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https://astrapi69.github.io/jgeohash/

An easy-to-implement library for the GeoHash algorithm
https://astrapi69.github.io/jgeohash/

geohash geohash-algorithm geohash-cells geohash-values java latitude longitude merge-sections

Last synced: about 2 months ago
JSON representation

An easy-to-implement library for the GeoHash algorithm

Host: GitHub
URL: https://astrapi69.github.io/jgeohash/
Owner: astrapi69
License: apache-2.0
Created: 2012-12-01T20:50:36.000Z (about 12 years ago)
Default Branch: develop
Last Pushed: 2021-11-09T11:27:29.000Z (about 3 years ago)
Last Synced: 2024-10-12T11:14:47.000Z (2 months ago)
Topics: geohash, geohash-algorithm, geohash-cells, geohash-values, java, latitude, longitude, merge-sections
Language: Java
Homepage: http://astrapi69.github.io/jgeohash
Size: 1.02 MB
Stars: 66
Watchers: 8
Forks: 26
Open Issues: 0
Metadata Files:
- Readme: README.md
- Changelog: CHANGELOG.md
- Contributing: .github/CONTRIBUTING.md
- Funding: .github/FUNDING.yml
- License: LICENSE
- Code of conduct: .github/CODE_OF_CONDUCT.md

Awesome Lists containing this project

awesome-java - Jgeohash - Library for using the GeoHash algorithm. (Projects / Geospatial)

README

        # Overview



[![build status](https://travis-ci.com/astrapi69/jgeohash.svg?branch=master)](https://travis-ci.com/astrapi69/jgeohash)

[![Java CI build and test](https://github.com/astrapi69/jgeohash/actions/workflows/build-test.yml/badge.svg)](https://github.com/astrapi69/jgeohash/actions/workflows/build-test.yml)

[![Coverage Status](https://codecov.io/gh/astrapi69/jgeohash/branch/develop/graph/badge.svg)](https://codecov.io/gh/astrapi69/jgeohash)

[![Coverage Status](https://coveralls.io/repos/github/astrapi69/jgeohash/badge.svg?branch=develop)](https://coveralls.io/github/astrapi69/jgeohash?branch=develop)

[![open issues](https://img.shields.io/github/issues/astrapi69/jgeohash.svg?style=flat)](https://github.com/astrapi69/jgeohash/issues)

[![license apache2](https://img.shields.io/badge/license-apache2-blue.svg)](http://www.apache.org/licenses/LICENSE-2.0)

[![Donate](https://img.shields.io/badge/donate-❤-ff2244.svg)](https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=GVBTWLRAZ7HB8)



An easy-to-implement library that can assist Java developers in using the [GeoHash](https://en.wikipedia.org/wiki/Geohash) algorithm in order to create geocodes based on custom latitude and longitude values.

With the help of jGeohash, Java developers will be able to quickly and easily generate a geohash code using user-defined latitude and longitude values. By using the GeoHash algorithm, the space can be divided into multiple grid shapes.

This library is a basic implementation from the GeoHash algorithm written in the java and can be applied to generate from the latitude and longitude a geohash code and reverse.

The library is kept simple and have no dependencies to other libraries.

> Please support this project by simply putting a Github 

                                                         Star ⭐. Share this library with friends on Twitter and everywhere else you can.

If you love this project [![donation](https://img.shields.io/badge/donate-❤-ff2244.svg)](https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=GVBTWLRAZ7HB8)

   

## Note

No animals were harmed in the making of this library.

# Donations

This project is kept as an open source product and relies on contributions to remain being

developed. If you like this library, please consider a donation

over paypal: 













or over bitcoin(BTC) with this address:

bc1ql2y99q7e8psndhcc3gferk03esw3qqf677rhjy



or over FIO with this address:

FIO7tFMUVAA9cHiPPqKMfMXiSxHrbpiFyRYqTketNuM67aULuwjop



or over Ethereum(ETH) with:

0xc057D159D3C8f3311E73568b334FF6fE82EB2b7D



or over Ethereum Classic(ETC) with:

0xF708cA86D86C246B69c3F4BAe431eBbe0c2bfddD



or over Dogecoin(DOGE) with:

D5yi4Um8cpakd6yPRm2hGWuQ5nrVzhSSW1



or over Monero(XMR) with:

49bqeRQ7Bf49oJFVC72pqpe5hFbb62pfXDYPdLsadGGF81KZW2ZfrPZ8PbAVu5X2v1TYAspeczMya3cYQysNS4usRRPQHVw



or over flattr:

  







## Key features:

1. Very small size (<35Kb)

2. Can get the adjacent geohash area from the given direction

3. Can get the geohash from an ip address

4. Can calculate distance between two geohash values in various measuring units like miles, km, meters

5. Can get the geohash cells around from the first, second or thrird ring from a given geohash cell

## License

The source code comes under the liberal Apache License V2.0, making jgeohash great for all types of applications.

## Maven Central

[![Maven Central](https://maven-badges.herokuapp.com/maven-central/de.alpharogroup/jgeohash-core/badge.svg)](https://maven-badges.herokuapp.com/maven-central/de.alpharogroup/jgeohash-core) jgeohash-core 

[![Maven Central](https://maven-badges.herokuapp.com/maven-central/de.alpharogroup/jgeohash-geoip/badge.svg)](https://maven-badges.herokuapp.com/maven-central/de.alpharogroup/jgeohash-geoip) jgeohash-geoip

## javadoc

[![Javadocs](http://www.javadoc.io/badge/de.alpharogroup/jgeohash.svg)](http://www.javadoc.io/doc/de.alpharogroup/jgeohash-core) jgeohash-core 

[![Javadocs](http://www.javadoc.io/badge/de.alpharogroup/jgeohash.svg)](http://www.javadoc.io/doc/de.alpharogroup/jgeohash-geoip) jgeohash-geoip 

## javadoc

jgeohash-core [![Javadocs](http://www.javadoc.io/badge/de.alpharogroup/jgeohash.svg)](http://www.javadoc.io/doc/de.alpharogroup/jgeohash-core)

jgeohash-geoip [![Javadocs](http://www.javadoc.io/badge/de.alpharogroup/jgeohash.svg)](http://www.javadoc.io/doc/de.alpharogroup/jgeohash-geoip)

## Maven dependency

Maven dependency is now on sonatype.

Check out [sonatype repository](https://oss.sonatype.org/index.html#nexus-search;quick~jgeohash) for latest snapshots and releases.

You can add the following maven dependencies to your project `pom.xml` if you want to import the library. 

You can first define the version properties:

	

		...

		

		2.5.2

		${jgeohash.version}

		${jgeohash.version}

		...

	

Add the following maven dependency to your project `pom.xml` if you want to import the core functionality of jgeohash:

		

			...

            

			

				de.alpharogroup

				jgeohash-core

				${jgeohash-core.version}

			

		

Add the following maven dependency to your project `pom.xml` if you want to import the geoip functionality of jgeohash:

		

			...

            

			

				de.alpharogroup

				jgeohash-geoip

				${jgeohash-geoip.version}

			

		

## Semantic Versioning

The versions of jgeohash are maintained with the Semantic Versioning guidelines.

Release version numbers will be incremented in the following format:

`..`

For detailed information on versioning for this project you can visit this [wiki page](https://github.com/lightblueseas/mvn-parent-projects/wiki/Semantic-Versioning).

## Want to Help and improve it? ###

The source code for jGeohash are on GitHub. Please feel free to fork and send pull requests!

Create your own fork of [astrapi69/jgeohash/fork](https://github.com/astrapi69/jgeohash/fork)

To share your changes, [submit a pull request](https://github.com/astrapi69/jgeohash/pull/new/develop).

Don't forget to add new units tests on your changes.

## Contacting the Developer

Do not hesitate to contact the jgeohash developers with your questions, concerns, comments, bug reports, or feature requests.

- Feature requests, questions and bug reports can be reported at the [issues page](https://github.com/astrapi69/jgeohash/issues).

## Examples

  * [SpatialDataQueries][SpatialDataQueries]

  * [Simple-example][Simple-example]

  * [Hibernate-example][Hibernate-example]

   [SpatialDataQueries]: https://github.com/astrapi69/jgeohash/wiki/Adding-spatial-data-queries-to-Phoenix-on-HBase "Adding spatial data queries to Phoenix on HBase"

   [Simple-example]: https://github.com/astrapi69/jgeohash/wiki/Simple-example "Simple-example"

   [Hibernate-example]: https://github.com/astrapi69/jgeohash/wiki/Hibernate-example "Hibernate-example"

## Similar projects

Here is a list of awesome projects that uses geohash:

 * [geohash-java](https://github.com/kungfoo/geohash-java) Another implementation of Geohashes in pure Java.

 * [geo](https://github.com/davidmoten/geo) Geohash utitlies in java 

 

## Blogs

 * [Designing a Spacial Index](https://dzone.com/articles/designing-spacial-index)

 

## Useful links

* [geohash.org browser](http://geohash.org/)

* [alternative geohash browser](https://www.movable-type.co.uk/scripts/geohash.html)

 

## Change log

The changelog is moved in its own file. It can be found on following [page](https://github.com/astrapi69/jgeohash/blob/develop/CHANGELOG.md)

## Credits

|**Travis CI**|

|     :---:      |

|![Travis CI](https://travis-ci.com/images/logos/TravisCI-Full-Color.png) |

|[![build status](https://travis-ci.com/astrapi69/jgeohash.svg?branch=master)](https://travis-ci.com/astrapi69/jgeohash) |

|Special thanks to [Travis CI](https://travis-ci.com) for providing a free continuous integration service for open source projects|

|          |

|**Nexus Sonatype repositories**|

|     :---:      |

|[![sonatype repository](https://img.shields.io/nexus/r/https/oss.sonatype.org/de.alpharogroup/jgeohash-core.svg?style=for-the-badge)](https://oss.sonatype.org/index.html#nexus-search;gav~de.alpharogroup~jgeohash-core~~~) jgeohash-core|

|[![sonatype repository](https://img.shields.io/nexus/r/https/oss.sonatype.org/de.alpharogroup/jgeohash-geoip.svg?style=for-the-badge)](https://oss.sonatype.org/index.html#nexus-search;gav~de.alpharogroup~jgeohash-geoip~~~) jgeohash-geoip|

|Special thanks to [sonatype repository](https://www.sonatype.com) for providing a free maven repository service for open source projects|

|          |

|**coveralls.io**|

|     :---:      |

|[![Coverage Status](https://coveralls.io/repos/github/astrapi69/jgeohash/badge.svg?branch=develop)](https://coveralls.io/github/astrapi69/jgeohash?branch=master)|

|Special thanks to [coveralls.io](https://coveralls.io) for providing a free code coverage for open source projects|

|          |

|**javadoc.io**|

|     :---:      |

|[![Javadoc](http://www.javadoc.io/badge/de.alpharogroup/jgeohash-core.svg)](http://www.javadoc.io/doc/de.alpharogroup/jgeohash-core) jgeohash-core|

|[![Javadoc](http://www.javadoc.io/badge/de.alpharogroup/jgeohash-geoip.svg)](http://www.javadoc.io/doc/de.alpharogroup/jgeohash-geoip) jgeohash-geoip|

|Special thanks to [javadoc.io](http://www.javadoc.io) for providing a free javadoc documentation for open source projects|

|          |