# How to use Tryton GIS

**URL:** https://discuss.tryton.org/t/how-to-use-tryton-gis/1663
**Category:** Developer
**Tags:** gis
**Created:** [August 14, 2019, 5:42pm UTC](https://discuss.tryton.org/t/how-to-use-tryton-gis/1663 "2019-08-14T17:42:15Z")
**Posts on this page:** 2
**Page:** 1

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### Author: ![paulPortugal](https://discuss-cdn.tryton.org/letter_avatar_proxy/v4/letter/p/7ea924/32.png) [@paulPortugal](https://discuss.tryton.org/u/paulPortugal)
#### Post date: [August 14, 2019, 5:42pm UTC](https://discuss.tryton.org/t/how-to-use-tryton-gis/1663/1 "2019-08-14T17:42:16Z")

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Hi.

I would like to know how trytond\_gis module works or how to use it. I need to compile from the source code

Thanks in advance!

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### Author: ![ced](https://discuss-cdn.tryton.org/user_avatar/discuss.tryton.org/ced/32/1237_2.png) [@ced](https://discuss.tryton.org/u/ced)
#### Post date: [August 14, 2019, 6:48pm UTC](https://discuss.tryton.org/t/how-to-use-tryton-gis/1663/2 "2019-08-14T18:48:44Z")

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You just need to install [trytond-gis](https://pypi.org/project/trytond-gis/) package and for the [database uri](http://docs.tryton.org/projects/server/en/latest/topics/configuration.html#uri) you must use `postgis` as database (instead of postgresql).  
You must also ensure that [postgis](https://postgis.net/) extension is installed on your database.

Once it is done you can define Geometry fields on your Models.