# Data structure

**URL:** <https://cn.discourse.mcneel.com/t/topic/2153>\
**Category:** Grasshopper\
**Created:** [2022年八月10日 08:19 UTC](https://cn.discourse.mcneel.com/t/topic/2153 "2022-08-10T08:19:45Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![ckmok](https://sea3.discourse-cdn.com/mcneel/user_avatar/cn.discourse.mcneel.com/ckmok/32/3202_2.png) [@ckmok](https://cn.discourse.mcneel.com/u/ckmok)\
**Post date:** [2022年八月10日 08:19 UTC](https://cn.discourse.mcneel.com/t/topic/2153/1 "2022-08-10T08:19:45Z")

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我剛做了一個cluster ，打算將兩種hanger (hanger 1 and hanger 2) orient 到如圖A1的地方，不過結果不如我所須要，我須要的是如A2结果，請問應該如何改？？

 ![A1](https://global.discourse-cdn.com/mcneel/uploads/mcneel_cn/original/2X/c/ce98d41680891c48a2b1b30c27765306c577d90a.jpeg)  
 ![A2](https://global.discourse-cdn.com/mcneel/uploads/mcneel_cn/original/2X/4/4eb87587664502bee174b69d4460f0d275e3d7d1.jpeg)

Please find below my RH5 file and GH  
[Test duct B.3dm](https://cn.discourse.mcneel.com/uploads/short-url/yD922Q6t2A7NV4FIhjoHvmpH9pt.3dm) (54.0 KB)  
[Hanger location.gh](https://cn.discourse.mcneel.com/uploads/short-url/tfqosUUjMOvfeo6W7MZtrjMy27S.gh) (733.7 KB)

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**Author:** ![Jessesn](https://sea3.discourse-cdn.com/mcneel/user_avatar/cn.discourse.mcneel.com/jessesn/32/3412_2.png) [@Jessesn](https://cn.discourse.mcneel.com/u/Jessesn)\
**Post date:** [2022年八月11日 03:31 UTC](https://cn.discourse.mcneel.com/t/topic/2153/2 "2022-08-11T03:31:15Z")

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你要先解决不是 Cluster 的时候如何正确的布置这些构件, 看起来主要的问题是数据对应的问题。  
BTW，由于我的电脑上没有你用的一些插件，所有无法帮你测试。

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**Author:** ![ckmok](https://sea3.discourse-cdn.com/mcneel/user_avatar/cn.discourse.mcneel.com/ckmok/32/3202_2.png) [@ckmok](https://cn.discourse.mcneel.com/u/ckmok)\
**Post date:** [2022年八月11日 06:07 UTC](https://cn.discourse.mcneel.com/t/topic/2153/3 "2022-08-11T06:07:05Z")

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Jessesn 多謝指教，的確是data structure 的問題，我將我的問題簡化成如下，請問我的GH應如何改？

 ![A3-01](https://global.discourse-cdn.com/mcneel/uploads/mcneel_cn/original/2X/f/f65bac64fb59e09a5a33b7c8602020593c1f4ff6.jpeg)

 ![A4-01](https://global.discourse-cdn.com/mcneel/uploads/mcneel_cn/original/2X/5/52eb56caa5254146f395a90a745ab242fc1d1ff9.jpeg)  
[Data structure.gh](https://cn.discourse.mcneel.com/uploads/short-url/o7EmJeSuStCZVi5Qwifyswwk2eB.gh) (8.1 KB)  
[Test duct C small.rar](https://cn.discourse.mcneel.com/uploads/short-url/y2ga25yVZ0otFDrdlvgqhOWDMtC.rar) (5.5 MB)

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<div class="post-metadata">

**Author:** ![ckmok](https://sea3.discourse-cdn.com/mcneel/user_avatar/cn.discourse.mcneel.com/ckmok/32/3202_2.png) [@ckmok](https://cn.discourse.mcneel.com/u/ckmok)\
**Post date:** [2022年八月11日 07:52 UTC](https://cn.discourse.mcneel.com/t/topic/2153/4 "2022-08-11T07:52:03Z")

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我發現加了Group 之后，好像便解決了問題。

 ![A5-01](https://global.discourse-cdn.com/mcneel/uploads/mcneel_cn/original/2X/4/4eac27da6f6cacd232b35eb290efe7b2b0a674a2.jpeg)