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Forums >> Revit Building >> Technical Support >> Shadows / sun studies shown on floor plan
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Hi, I use Revit Arch. 2010 and my question is similar to the one below posted a few years ago - Thu, Sep 14, 2006 at 10:10:53 AM | Internal Shadows in Plan view I'd like to produce 2d floor plan views that show the extent of the sun penetrating the building through doors / windows etc at diferent times of the day / year. The problem has always been that to be able to display the floor plan, the roof either needs to be hidden, transparent, above the cut plane etc etc, which lets the sun in from above, so defeats the purpose. Has anyone come up with a work-around solution in the last few years please ?
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You could try doing a sectional perspective from above and move the bounding box right below the roofline. Then align the view to the top and render with shadows. Obviously, this won't show any sun from skylights, but you get an idea.
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By "bounding box" are you meaning the section box? If so the problem still remains that once the roof is out of the picture the light once again streams in from above. However you gave me an idea. I've drawn walls around the edges of the roof starting at eaves height and extending up a long way (into space) - the cut plane has been lifted up that high as well, so the walls above the eaves line keep the sun out unless it's exactly overhead - the wall type used is a very narrow wall so displays a bit like the like of an eaves. I guess the walls could be changed to a different phase so they wouldn't interfere with other views and could be locked to the roof for simple roofline changes. But this is of course a ridiculous way to achieve this effect - so I'll probably reserve it only for important projects. If anyone has any other ideas I'd certainly apreciate them. Thanks.
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go to 3D view, right click on the view cube and orient to other views, select your floor plan. might be a good idea to rename your 3D view as you might need to create a few of them... apply shadows...
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I gave that a go but it's really no different to applying shadows when in a normal floor plan view - as before, once the roof is removed from the view, the light streams in from above - I'm wanting the light to project onto a floor plan view, coming in through the window and door openings only (and taking the eaves overhang into account). Seeing exacly where the sun will land inside a building on a floor plan view seems to me like an important feature of any sun study - please email Autodesk with this suggestion for the next release if anyone thinks likewise. Thanks.
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QUOTE: "I've drawn walls around the edges of the roof starting at eaves height and extending up a long way (into space) - the cut plane has been lifted up that high as well, so the walls above the eaves line keep the sun out unless it's exactly overhead - the wall type used is a very narrow wall so displays a bit like the like of an eaves. I guess the walls could be changed to a different phase so they wouldn't interfere with other views and could be locked to the roof for simple roofline changes." You are a genious!
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I similarly have been experiencing this problem- and tried the idea of the think walls set on another project phase and made invisible with linework, and still, revit is incapable of creating accurate shadow plans on a floor. the problem lies in that if you peer down onto your floor plan from far above with the roof turned off and those thin walls, revit only reads no aperatures in the walls above... and thus the entire plan is in shadow despite window openings. seemingly, such plans can only be done in ecotect or maya sadly or looked at in 3d axo floor plan views and/or most accurately, but least practical, in 3d camera views.
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Hi Guys n Gals,
came across the answer on a youtube clip if anyone else if looking for it
http://www.youtube.com/watch?v=1LTVblDKpso
-Peace
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The last post by KaneNOS nails it!
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Thank you KaneNos. That was a very interesting video from our dannish coleague Daniel Nielsen.
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Marc Faber
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goto.archi | Oslo, Norway
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