A Revit custom exporter add-in generating JSON output for the va3c three.js AEC viewer.

Implemented by Matt Mason and Jeremy Tammik at the New York AEC Hackathon in May 2014:

http://va3c.github.io

https://www.hackerleague.org/hackathons/aec-technology-hackathon-2014/hacks/three-dot-js-aec-viewer-model-exporters

http://thebuildingcoder.typepad.com/blog/2014/05/aec-hackathon-from-the-midst-of-the-fray.html

• Texture support and improved colour handling
• Improved handling of normals to gracefully display non-planar surfaces