# Poincaré disk and hyperbolic geometry library

**URL:** https://discourse.processing.org/t/poincare-disk-and-hyperbolic-geometry-library/19282
**Category:** Libraries
**Created:** [April 1, 2020, 1:34pm UTC](https://discourse.processing.org/t/poincare-disk-and-hyperbolic-geometry-library/19282 "2020-04-01T13:34:30Z")
**Posts on this page:** 3
**Page:** 1

<div class="post-metadata">

### Author: ![jeykech](https://avatars.discourse-cdn.com/v4/letter/j/e47774/32.png) [@jeykech](https://discourse.processing.org/u/jeykech)
#### Post date: [April 1, 2020, 1:34pm UTC](https://discourse.processing.org/t/poincare-disk-and-hyperbolic-geometry-library/19282/1 "2020-04-01T13:34:30Z")

</div>

Hi guys,

by any chance, is there any library to help me implement a Poincaré disk or a hyperbolic geometry transformation.  
I am looking to transform an euclidean geometry to it’s equivalent in hyperbolic geometry, a patter for example.

thanx in advance

---

<div class="post-metadata">

### Author: ![jeremydouglass](https://yyz2.discourse-cdn.com/flex036/user_avatar/discourse.processing.org/jeremydouglass/32/20_2.png) [@jeremydouglass](https://discourse.processing.org/u/jeremydouglass)
#### Post date: [April 5, 2020, 9:52pm UTC](https://discourse.processing.org/t/poincare-disk-and-hyperbolic-geometry-library/19282/2 "2020-04-05T21:52:39Z")

</div>

Consider checking out  
Ideal Triangles in the Poincaré disc  
by [Malin Christersson](https://www.openprocessing.org/user/35515)

https://www.openprocessing.org/sketch/146960/embed/

---

<div class="post-metadata">

### Author: ![jeykech](https://avatars.discourse-cdn.com/v4/letter/j/e47774/32.png) [@jeykech](https://discourse.processing.org/u/jeykech)
#### Post date: [April 6, 2020, 12:26pm UTC](https://discourse.processing.org/t/poincare-disk-and-hyperbolic-geometry-library/19282/3 "2020-04-06T12:26:06Z")

</div>

@jeremydouglass  
thanx Jeremy, this is a good start !!

have a nice day and wash your hands 🙂