Tag: CGA Shape Grammar Grid View List View Sort by: Viewed Liked Discussed Title Date Published 13:00 Use Basic Shape Grammar in CityEngine This video tutorial provides a guide to model buildings using the CGA shape grammar in CityEngine version 2008.2. Added: Dec 14th, 2011. Recorded: Dec 13th, 2011. 1795 views, 2 like this. 1:03:19 Developing with Esri CityEngine Esri staff introduce the procedural CGA scripting language. Added: Oct 8th, 2012. Recorded: Jul 25th, 2012. 403 views.