interactive shadows and Civil 3D

We’ve all seen this in AutoCAD demos on many different releases over the years but many of us never really had the need/motivation to dig into it.
The shadows in 2008 are particularly slick and well worth looking into.
- Move/stretch the geometry - shadows update.
- Change time of day setting - shadows update.
All this is possible with standard AutoCAD / Civil 3D 2008 - but there is a bit of configuration required. Also, when it is set up, publish to RDV - the lighting/shadow scheme comes across with the geometry (and textures).
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