Photo rendering too dark.

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How can I do this? [img]http://www.sweethome3d.com/images/flags/en_small.gif[/img]
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Walter125
Posts: 25
Joined: Mon Sep 11, 2023 12:04 pm

Photo rendering too dark.

Post by Walter125 »

Hi,

I'm trying to render photos. I have placed light panels just in front of the windows, very close to the window, in order to simulate natural light.

I found the link to download the light panels in this post: link


But the photos are too dark. And if I increase the intensity of light panels over 30%, then it is better in the room, but it is too much illuminated near the panels.

So I wonder if there is a way to control the light attenuation or "fall off" ? Maybe with a parameter of the renderers sunflow or YafaRay ? Maybe in the light source definition: the .mtl file ?

Or maybe another way to have a less dark rendering ?
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Daniels118
Posts: 503
Joined: Wed Nov 17, 2021 9:04 pm
Country: Italy

Re: Photo rendering too dark.

Post by Daniels118 »

Light intensity is proportional to the inverse of squared distance, so you could enlarge the panel and move them far from windows.
Walter125
Posts: 25
Joined: Mon Sep 11, 2023 12:04 pm

Re: Photo rendering too dark.

Post by Walter125 »

Thanks for the suggestion, I will try.

The light panels I downloaded wasn't working correctly with SweetHome3D 7.1.

A working version is available in this thread: link
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