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Thread: Issues with Rendered Glass Appearance (Revit 2017)

  1. #1
    New Member ckeenum82's Avatar
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    Issues with Rendered Glass Appearance (Revit 2017)

    I am having an issue with glass appearance in a scene I'm renderings with Revit 2017 that I have not experienced with previous versions of the software.

    Within my interior scene, I have several light fixtures that use clear glass. When I render on a lower setting such as Medium 150 dpi, the glass appears clear as I would expect. However when I render on a higher setting such as High 300 dpi, the glass appears like a dark gray frosted material.

    I cannot seem to resolve this and I am looking for any possible solutions. Please see attached images for reference. Thank you!
    Attached Thumbnails Attached Thumbnails Issues with Rendered Glass Appearance (Revit 2017)-rv-interior-template-modern-3-medium-150dpi-.jpg   Issues with Rendered Glass Appearance (Revit 2017)-rv-interior-template-modern-3-300-dpi-.jpg  

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    Forum Addict GMcDowellJr's Avatar
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    I'm going to guess it has something to do with the number of refractions the rendering calculates. Medium has fewer (or none), high has more.

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    New Member ckeenum82's Avatar
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    In Revit 2014 I'd have hope to resolve this issue based on your reply. I recall that I could adjust reflection/refraction, however in 2017 - I don't have that capability as far as I know. I will continue to experiment. If I can find a solution, I will post. Thanks!

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    Forum Addict GMcDowellJr's Avatar
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    Hmmm... that's new. Sorry then. I got nothing.

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    Have you tried using an Appearance that is based off a Generic Appearance and manually configuring it to mimic glass? To me it's not readily apparent how the properties of the OOTB Glass appearance will affect the rendering.

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    New Member ckeenum82's Avatar
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    I haven't yet - but I'm going to try it because this is driving me nuts!

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