Hello,
When doing a basic rendering, if I use the Revit "Sky: Very Few Clouds" setting my windows reflect fine. If I change the background to an Image of a sky, then my windows black-out. My Glass reflectivity on these is 60+, and I haven't changed the rendering settings at all between one image and the other. Any suggestions???
Thanks,
-Jon
Gelöst! Gehe zur Lösung
Gelöst von JasonKunkel. Gehe zur Lösung
I haven't tested this, but when Revit is using an image as the background, is it literally just a background... like a giant billboard behind your model? If so, then there is nothing "in front" of the model to reflect.
Seems like a very sad workaround would be to make a huge billboard with your sky image attached, put it "behind" the camera an render...
Hi Jason, thanks for your response. I am happy (albeit a little embarrassed for Revit?) to report back that your solution does in fact work. It does however add a very tricky problem into the mix: the location of the sun relative to this billboard. It really limits what time of day one can shoot a perspective -- basically the sun has to have an altitude higher than 45 degrees. Also the billboards get massive -- for the perspective I showed I needed two billboards about 5000' x 800' to catch all the windows in the project.
Anyway, thank you for your help!
-Jon
Agreed Toan! Although I would have imagined Revit to follow suit from other rendering platforms and establish a place where one can select a custom "atmosphere" other than just the standard "partly cloudly, mostly cloudy" options. If "Background Image" was a 3D dome around the project instead of a flat piece of paper behind the rendering then the problem would be solved.
Thanks for your feedback!
-Jon
You can replace the OOTB EXR files with custom light probe images. Make sure the images can map a hemisphere properly. You can even convert HDR and any other image format to EXR via this online conversion tool. Make a backup of the OOTB Presets folder before changing anything.
Below is a test. I just picked a random free EXR on the internet so obviously it mapped all wrong.
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