Skylight Not Transmitting Light

[anthonywPWC]

I have a tubular skylight, but it is not transmitting light through.  You can see that the tube goes all the way through, but it will not show any light when I render the scene.

[anthonywPWC]

Can you send that to me?  I have done all of the exact same things that you have done and I get nothing like that at all.

[ToanDN]

Sure thing.

[barthbradley]

Anthony: I just tested the velux sun tunnel you originally posted. It renders with sunlight through just fine. Not sure what the problem is, but family is fine.

[anthonywPWC]

You did not have to change any settings or anything?

[barthbradley]

I just popped it into an enclosed room and did a quickie interior rendering.

...maybe you messed with the family's glass material by accident. Check that.

...family has 2 material parameters for "Dome": try changing those to "Default Mass Skylight" for instance.

...with "Default Light Source" material, it works nicely too

[RDAOU]

You are not using any lighting groups which that lighting cannon isn't part of? Or switched off in your .rvt?

[anthonywPWC]

I changed those to the default mass skylight, and it did nothing.  I am just going to let it be and maybe nobody will mention anything.

No it is not turned off or anything.  I even tried cutting a hole in my roof and no light came through, but it comes through my windows in the exact same room.

[barthbradley]

Wow! Frustrating it must be for you. And it ain't even Friday yet! HA! Something very strange is going on. Have you tested in a different project?

...HOLD THE PHONE! Are you sure you're doing an INTERIOR rendering - not EXTERIOR?

[anthonywPWC]

Are you talking about the lighting scheme?

[barthbradley]

TO ALL: I bounce back and forth between 2016 and 2017, so I’m a little confused about something right now. Can someone please advise me?

Did the rendering engine option “NVIDIA mental ray” go away in 2017.2, or was it not there before I applied this update, and I just hadn’t noticed?

Currently, with 2017.2, I HAVE NO ENGINE OPTIONS TO CHOOSE FROM.

Update: It's not there in 2017. Funny, I hadn't noticed yet that Autodesk had taken it away from us. Gone also are a few key related controls that were only available through NVIDIA mental ray - like Daylight Portals that Toan mentioned.  

[anthonywPWC]

That I am not sure about.  I did not do much rendering before the 2017.2 update came out.

[ToanDN]

@barthbradley

Mental Ray being a goner in 2017 has caused quite a bitching and moaning here but I guess you were too busy getting your avatar to show so you didn't notice 😉

With that said, I didn't mention Daylight Portals.  I think @RDAOU did so let's give proper credit to him.  As a matter of fact, I have never done a single Revit rendering since I started using it in 2013 so I don't know much about feature differences across versions.

[barthbradley]

Rendering is far, far , far easier than setting up an Avatar on this site. In fact, I think I'd prefer water-boarding over Avataring!