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Forums >> Revit Building >> Technical Support >> Some trees not casting shadows

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Sun, Sep 18, 2011 at 1:24:09 PM | Some trees not casting shadows




Joined: Thu, Mar 15, 2007
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I have a topo surface with RPC trees, and a curious problem... with shadows and sun path turned on, I get shadows cast on 90% of my trees, but some trees near the periphery don't cast any shadows (see screenshot). These trees are exactly the same family type and have all of the same visibility settings w/ no overrides. The ground planes are such that they should receive shadows. It almost seems like a problem of the range of the sun's shadow casting - for some reason it is cutting off the lower right and mid-left portions of the site?


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Wed, Oct 10, 2012 at 4:03:56 AM | Some trees not casting shadows




Joined: Thu, Apr 26, 2012
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Hi. I found that trees with some transparency (revit 2013) do not cast shadows. I am using trees from archigrafix (, i am not sure what trees you are using . however I guess the transparency/shadow applies to all objects in revit.



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Sat, Mar 9, 2013 at 4:46:51 AM | Some trees not casting shadows




Joined: Sat, Oct 16, 2010
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I had this problem in Revit 2013.

My trees were transparent and not casting a shadow (and everything else was) so I edited the tree family.

Drew a selection box over the tree foliage so they're highlighted, opened material editer.   

I just duplicated the material and then changed the transparency to 0... saved family and loaded into project.

My trees cast shadows now Smile


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Thu, Oct 16, 2014 at 10:55:22 AM | Some trees not casting shadows




Joined: Thu, May 14, 2009
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You can also open the tree family and open its visibility settings and check "Plan/RCP" for the tree to display.  The shadows will show in plan view.

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