# GH intersect

**URL:** <https://cn.discourse.mcneel.com/t/topic/1728>\
**Category:** Grasshopper\
**Tags:** unhandled\
**Created:** [2020年九月23日 09:59 UTC](https://cn.discourse.mcneel.com/t/topic/1728 "2020-09-23T09:59:27Z")\
**Posts on this page:** 3\
**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:** [2020年九月23日 09:59 UTC](https://cn.discourse.mcneel.com/t/topic/1728/1 "2020-09-23T09:59:27Z")

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我在用GH Intersect中的Solid Difference，发现如图1，但我其实想要图2，以下是我的GH，请问是否我用错了电池，应该如何改！[test intersect.3dm](https://cn.discourse.mcneel.com/uploads/short-url/4Ok159PB5lerZAPHhVfypno1a7J.3dm) (80.3 KB)

 ![1](https://global.discourse-cdn.com/mcneel/uploads/mcneel_cn/original/2X/4/479067d1f393617799f429b8e301d3d581631aaa.png) ![2](https://global.discourse-cdn.com/mcneel/uploads/mcneel_cn/original/2X/6/6980cb159f098acb08fcbc2cbbe1d493219ecc61.png)[test intersect.gh](https://cn.discourse.mcneel.com/uploads/short-url/gwWP3MvdFIEpyLCYyJUp1JkAhMU.gh) (9.8 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:** [2020年九月25日 08:29 UTC](https://cn.discourse.mcneel.com/t/topic/1728/2 "2020-09-25T08:29:13Z")

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这应该是 BooleanIntersection, 所以需要用 Solid Intersection

 ![Solid Intersection](https://global.discourse-cdn.com/mcneel/uploads/mcneel_cn/original/2X/3/3550acf3a3def41aa1e69e79392cf99c08f6a1a3.jpeg)

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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:** [2020年十月8日 04:15 UTC](https://cn.discourse.mcneel.com/t/topic/1728/3 "2020-10-08T04:15:46Z")

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Jessensn, 多谢帮忙，我的问题解决了，但我的方法是将这个加上Flip.  
[test intersect 2.gh](https://cn.discourse.mcneel.com/uploads/short-url/aIwNVqwY4bd2fLm2eJ9BsfWDok1.gh) (12.3 KB)

 ![add flip](https://global.discourse-cdn.com/mcneel/uploads/mcneel_cn/original/2X/7/78d967323a14c0f2131ff81eae293df721251b31.png)