From February 6th ORUG meeting, via this link…
Slideshow Slides:
What Revit Wants
No surprises that this comes from Zach over at Buildz…
Download link:
http://buildz.info/downloads/20130810_glare.zip
Video and more info at the original post:
http://buildz.blogspot.com.au/2013/08/dynamo-glare-study.html
How to do it:
You can even do this in a Hidden Line or Wireframe view.
Shadows do not need to be turned on.
If you want to quickly move the sun around WITHOUT having to use the graphic sun path: