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  1. #1
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    Default transparent massing casting shadows?

    If I mass a building and have its material transparent, then it doesn’t cast shadows, is there a way to have it cast shadows and still be transparent?
    Sami Kazemi
    Architect, OAA, LEED AP
    Toronto, Canada
    www.kazemi.ca

    Revit Architecture 2011, Windows XP

  2. #2
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    Default Re: transparent massing casting shadows?

    Why would a transparent material cast shadows?

  3. #3
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    Default Re: transparent massing casting shadows?

    in the case of creating a schematic massing of a building, the transparency of the building would only be a graphic representation so that we can better see its relation to its context.

    PS in reality glass does cast a shadow, its just translucent based on the opacity of the glass.
    Sami Kazemi
    Architect, OAA, LEED AP
    Toronto, Canada
    www.kazemi.ca

    Revit Architecture 2011, Windows XP

  4. #4
    Revit Technical Specialist - Autodesk
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    Default Re: transparent massing casting shadows?

    Quote Originally Posted by sami View Post
    If I mass a building and have its material transparent, then it doesn’t cast shadows, is there a way to have it cast shadows and still be transparent?
    Yes, change the material properties of the glass that the mass uses to be something other than 100% transparent.
    Scott D Davis
    AEC Technical Specialist
    Autodesk, Inc.

    http://about.me/scottddavis

  5. #5
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    Default Re: transparent massing casting shadows?

    Quote Originally Posted by Scott Davis View Post
    Yes, change the material properties of the glass that the mass uses to be something other than 100% transparent.
    when I change the material transparency to any number other than 0% I lose the shadows in shaded views. (This is the transparency slider bar under Materials/Grapics/Shading)

    am I missing something here?
    Sami Kazemi
    Architect, OAA, LEED AP
    Toronto, Canada
    www.kazemi.ca

    Revit Architecture 2011, Windows XP

  6. #6
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    Default Re: transparent massing casting shadows?

    No you got ti right. As soon as you change the transparence y value to other then 0% it won't cast shadows.

  7. #7
    Revit Technical Specialist - Autodesk
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    Default Re: transparent massing casting shadows?

    Quote Originally Posted by dhurtubise View Post
    No you got ti right. As soon as you change the transparence y value to other then 0% it won't cast shadows.
    Hmm interesting. I thought that I have changed the settings before where some transparency would cast shadow...sorry about that!
    Scott D Davis
    AEC Technical Specialist
    Autodesk, Inc.

    http://about.me/scottddavis

  8. #8
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    Default Re: transparent massing casting shadows?

    I recall that too Scott. I think prior to 2008 there was a 'point of no return' (about 65% if I recall) where transparent masses would still cast shadows. Probably one of the things that was 'fixed' at someone's request

  9. #9
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    Default Re: transparent massing casting shadows?

    Quote Originally Posted by Dimitri Harvalias View Post
    Probably one of the things that was 'fixed' at someone's request
    ahahah One of those fix

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