Dark Interiors

[coilbook]

we have the Sun as the only light source. But interiors with path tracing and diffuse are dark. How to make them brighter? With Ao it was easy just control AO distance
if you look at pathtracing it is very dark and sun level is set at 10 and exposure at 2 making direct light too bright but ambient room still too dark?

as you can see AO is way flatter look but sun is only set at 1 not 10 like path tracing

[bepeg4d]

Hi coilbook,
that's how Global Illumination works.
Since Direct Light Ambient Occlusion does not have Global Illumination, there is not a realistic representation of light, and you use the AO distance to simulate a similar effect.
On the other side, DL Diffuse, PT and PMC take in consideration the Global Illumination. Take a digital camera or your smartphone and make a photo in a similar lighting condition, the effect should be quite similar to the render with Global Illumination.
You can change the sky color to white to have a bit of more indirect illumination.
In real photography, you need extra lights and reflective panels to obtain the classic magazine look, so you can use some big plane low emitters to obtain a similar effect.
ciao beppe

[coilbook]

Hi coilbook,
that's how Global Illumination works.
Since Direct Light Ambient Occlusion does not have Global Illumination, there is not a realistic representation of light, and you use the AO distance to simulate a similar effect.
On the other side, DL Diffuse, PT and PMC take in consideration the Global Illumination. Take a digital camera or your smartphone and make a photo in a similar lighting condition, the effect should be quite similar to the render with Global Illumination.
You can change the sky color to white to have a bit of more indirect illumination.
In real photography, you need extra lights and reflective panels to obtain the classic magazine look, so you can use some big plane low emitters to obtain a similar effect.
ciao beppe

thanks a lot. Just tried and yes to make bright interior inside camera makes stuff outside very very bright almost pure white. I wish we could have an option where interiors are bright and outside looks ok (like AO) but using path tracing or diffuse like you see in CG cartoons. Or an option of diffuse color bleed in AO to make it more pleasant looking

Also for human eye this interior would be way brighter and exterior would not bee that bright. This would be a cool option to have

[enricocerica]

As suggested by bepeg4d, use plane emitters with opacity 0 in front of the windows inside the room to increase the light, this way you could use low emitting hdr map to get outdoor environment visible.

[bepeg4d]

Hi coilbook,
currently we have both Visible environment to match interior and exterior exposition, and AO ambient texture to colorize the DL AO kernel
Happy rendering,
ciao beppe

[enricocerica]

Hi coilbook,
currently we have both Visible environment to match interior and exterior exposition, and AO ambient texture to colorize the DL AO kernel
Happy rendering,
ciao beppe

Right, also very effecitve.

[coilbook]

Hi coilbook,
currently we have both Visible environment to match interior and exterior exposition, and AO ambient texture to colorize the DL AO kernel
Happy rendering,
ciao beppe

thanks. Yes we are still waiting on 3ds max fix to have AO textures

[coilbook]

maybe in the future otoy can add a button for general shadow brightness, like AO distance, that way all stuff that is ambient will get brighter to whatever level you want without increasing sun brightness etc. useful for CG cartoons