[solved] Environment override not working

[dj_buckley_1]

I’m using a Daylight system set to Corona Sun/No Sky - and I have a Corona Sky in the 3DS Max Environment tab.

I want to render on black for compositing - but checking the Direct Visibility Override isn’t doing anything - I can’t get rid of the Corona Sky

Any ideas - hopefully I’m having a dense moment

[maru]

This should just work.
Can you send us screenshots showing the same dialogs as here?

[dj_buckley_1]

Attached - the sky looks a bit odd too - it almost looks like there are square seams either side of the building in the lower portion

[dj_buckley_1]

Merging into a new scene doesn’t do anything either. Those odd seams on the sky are coming from a context model that’s behind the camera (just grey boxes casting shadows and visible to reflection - almost as if the sky background is reflecting them?

[dj_buckley_1]

I’ve switched the Daylight System out for a normal Corona Sun and still nothing

[dj_buckley_1]

Very strange behaviour - the Environment appears to reflective - almost as if it’s reflecting itself - the two odd squares are definately my context blocks - if i set them to ‘invisible to reflection’ they disappear from the sky.

If I tick the checkboxes next to Reflect/Refract override and set them to black - the sky goes black. There’s something reflecting somewhere

[romullus]

Is there some object with refractive material between your camera and enviroment?

[dj_buckley_1]

Okay - can we delete this thread - I’ve figured it out hangs head in shame - one of my glass window panes was a plane that had render scale set at 1000.

I must have created it straight after my ground plane. What a donut

[maru]

Nice one!

[dayna_beaver]

Is there a way to achieve this for an interior shot where there is glass in-between the camera and environment? seems to only work if I hide the glass, but I want the reflection…

[maru]

Can you explain what exactly you would like to achieve?

If you mean environment overrides for glass, then you may need to use reflection or refraction overrides instead of the direct visibility override.

[dayna_beaver]

Thanks for getting back to me and sorry for the delay!

I wanted to keep the reflections in the glass, which was only possible if I used the same background. So I guess, I was looking for a masking type solution… I’ve been testing out corona recently coming from Vray, so I wasn’t sure how to achieve this in Corona.

I forget how I did it, but I think I rendered without the glass and made sure all the geometry was masked out, then with the glass and just PS’d it? Something like that anyway.

Is there a way in Corona where you can have the HDR only visible in reflections? From what I remember, it seemed like as soon as you have a glass wall in-between the camera it gets complicated?

[maru]

I am sorry, this is probably due to the language barrier, but I really do not understand what you are after. Perhaps you could post an image or a drawing explaining it?

If it helps, I am attaching a screenshot showing different HDRIs used for direct visibility, reflections, and refraction. Another HDRI could be used for illumination, but in this case I used a solid color.

The thing in the center is a window using a glass material with “Thin shell” option enabled (but it would work the same if this option was disabled).

As you can see:

• the “noon” HDRI with blue sky is visible directly
• the “sunrise” HDRI is visible as reflection - you can see the strong sun disc reflecting in the window
• the “night city” HDRI is visible as refraction - you can see a building as the refraction in the glass

If this doesn’t answer your question, I will need more precise description of the issue.