Revit 二次开发—可视化（AVF）

参考文档：https://download.csdn.net/download/weixin_40626630/10874075

http://autumnflavor.com/2016/07/04/Revit-API-Analysis-Visualisation-Framework/

https://www.aecmag.com/software-mainmenu-32/586-analysing-through-revit-structure

https://thebuildingcoder.typepad.com/blog/2017/03/rvtfader-avf-ray-tracing-and-signal-attenuation.html

https://archsmarter.com/how-to-visualize-complex-data-bim/