Forums >> Revit Building >> Technical Support >> Exterior night rendering with interior lights on? R16

jlblumenfeld

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I'm using Revit 2016 and no matter what I seem to try, the interior lights aren't showing up in my rendering. Sorry if this has been addressed before, I haven't found the answer.

I increased the lumens, I made sure the glass is translucent, I checked that all the lights are set to on.

I don't know if there was a change to rendering options from previous versions but it isn't working for me now. I have selected the "Exterior: Sun and Artificial Light" scheme which to me implies the interior lights are off, but there doesn't seem to be another option.

And I can tell the interior lights aren't on because the artifical light count in the render box says 95, when there should be over 400.

I don't know what I'm doing wrong and nothing I've found online seems to fix the problem I'm having.

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jlblumenfeld

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That doesn't help, from what I've searched. I've done everything it says: I've made sure the lights are turned on, I've set the location, time, and day, etc.

I've worked around the problem by rendering it in the cloud. But that still doesn't explain why when using the computer, it doesn't render the interior lights as on. It seems to be an either/or option when rendering on my computer. Either exterior lighting scheme with the interior lights off or interior lighting scheme with the exterior lights off.

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WWHub

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Sorry. I miss placed that answer for a another question.  I removed it so it would no confuse anyone.

The light count would be only for the lights within your view range, not all in the project.   I certainly hope its not 400.

Are these lights hosted to a ceiling and recessed?   If so, did they cut a hole in the ceiling so they can be seen?

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jlblumenfeld

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Yeah, I was confused since the link took me to another section of help than seemed relevant but I figured I'd double check.

They are direct/indirect 2x4 troffer lights in an ACT ceiling. Not all of the lights would be visible I don't imagine, but the facade is largely storefront so I would think many of them should be affecting the light coming out of the building? 

The lights do cut through the ceiling, if I'm understanding your question correctly... In the hidden line display setting, I can see them inside in the ceiling, through the storefront glazing. 

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WWHub

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Hidden line display makes everything transparent so that doesn't mean you have holes in the ceiling.  If you don't wn the ceiling (a link) then you don't have any holes for the lights.  Turn off the VG light category and see if you have a hole.   You could also turn off the ceiling and see if the lights work.   BTW - The lights might light up the space but will not glow like a light if they don't have the right material assigned to their lense.

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