# Find Sets of closed curves

**URL:** <https://forum.dynamobim.com/t/find-sets-of-closed-curves/1251>\
**Category:** Packages\
**Created:** [March 27, 2015, 7:03am UTC](https://forum.dynamobim.com/t/find-sets-of-closed-curves/1251 "2015-03-27T07:03:22Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![Ben\_Osborne](https://sea2.discourse-cdn.com/flex022/user_avatar/forum.dynamobim.com/ben_osborne/32/17366_2.png) [@Ben\_Osborne](https://forum.dynamobim.com/u/Ben_Osborne)\
**Post date:** [March 27, 2015, 7:03am UTC](https://forum.dynamobim.com/t/find-sets-of-closed-curves/1251/1 "2015-03-27T07:03:22Z")

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Here’s the problem-

Given a list of “n” (17 in this example) curves, how could you find which curves belong together (are closed sets)? In other words, create sublists of {1,7,13,5,8,3,14,11},{15,4,12,17,6,10},{16,2,9}.

![Capture](https://cdck-file-uploads-us1.s3.dualstack.us-west-2.amazonaws.com/flex022/uploads/dynamobim/original/2X/4/454210a0c156f0f8c6bfcf9897ffc0dde521a8f9.png)

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**Author:** ![Dimitar\_Venkov](https://sea2.discourse-cdn.com/flex022/user_avatar/forum.dynamobim.com/dimitar_venkov/32/2068_2.png) [@Dimitar\_Venkov](https://forum.dynamobim.com/u/Dimitar_Venkov)\
**Post date:** [March 27, 2015, 7:12am UTC](https://forum.dynamobim.com/t/find-sets-of-closed-curves/1251/2 "2015-03-27T07:12:58Z")

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You do it by getting the [archi-lab.net](http://archi-lab.net) package from the manager and running the curves through the node “Group Curves” 😃

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<div class="post-metadata">

**Author:** ![Ben\_Osborne](https://sea2.discourse-cdn.com/flex022/user_avatar/forum.dynamobim.com/ben_osborne/32/17366_2.png) [@Ben\_Osborne](https://forum.dynamobim.com/u/Ben_Osborne)\
**Post date:** [March 27, 2015, 8:18am UTC](https://forum.dynamobim.com/t/find-sets-of-closed-curves/1251/3 "2015-03-27T08:18:21Z")

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That was way too easy…I did searches on Closed, Closure, Close, but never did I search “Group”. Thanks Dimitar.