How to realize a 3D WebGIS system?

[JiaoXiangNing]

I want to make a 3D WebGIS System about power, but I do not know how to do. Is there anyone can detailedly tell me how to do?

Thanks a lot !

[nicogis]

Here you can see the roadmap js 4.0 3d Esri: http://blogs.esri.com/esri/arcgis/2014/02/21/esris-roadmap-for-web-developers/‌

You can also use CityEngine Web Viewer : 3D on ArcGIS Online: CityEngine Web Viewer | ArcGIS Blog‌