# 請問Rhino中標注出的尺寸可以自動求和麽？

**URL:** <https://cn.discourse.mcneel.com/t/topic/1985>\
**Category:** Rhino for Windows\
**Created:** [2021年十二月6日 07:19 UTC](https://cn.discourse.mcneel.com/t/topic/1985 "2021-12-06T07:19:25Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![realsoya](https://sea3.discourse-cdn.com/mcneel/user_avatar/cn.discourse.mcneel.com/realsoya/32/2705_2.png) [@realsoya](https://cn.discourse.mcneel.com/u/realsoya)\
**Post date:** [2021年十二月6日 07:19 UTC](https://cn.discourse.mcneel.com/t/topic/1985/1 "2021-12-06T07:19:25Z")

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例如一個房間隔斷的尺寸和玻璃的尺寸分別放在兩個層中 全選一個層裏的内容然後自動求出一個和 謝謝~

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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:** [2021年十二月7日 01:30 UTC](https://cn.discourse.mcneel.com/t/topic/1985/2 "2021-12-07T01:30:40Z")

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Rhino 中不支持这样的操作，你可以使用 Grasshopper 来求和，如下图所示

 ![MassAddition-Dims](https://global.discourse-cdn.com/mcneel/uploads/mcneel_cn/original/2X/a/a3770b6517c6e2a3034259c0f6173a161f75ec5d.jpeg)

提供参考 GH 文檔  
[MassAddition-Dims.gh](https://cn.discourse.mcneel.com/uploads/short-url/YPMAohABCjEUKsA3CItFtkcVi8.gh) (10.4 KB)