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Producing imagery with ARCHICAD or 3rd party products; Surfaces; Lighting; Cameras; Artlantis/Cinema 4D/Maxwell etc.

Moderators: Karl Ottenstein, LaszloNagy, ejrolon, Barry Kelly, gkmethy

Yes you can to a certain extend. For the material settings see the screen capture ( play with the Generate GI Strength ) and an example like the lights I did under the garden steps.

Cheers Carsten
Surface light.jpg
QT 38 Modern Garden Steps.jpg
By tenak333
Thank you Carsten!
Actually it was right that tutorial of yours that I was confused with, regarding the part with the light material :)
So I guess I have to orientate the model towards the West, so the sun can reflect in this material?
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By Carstenem
If you want to reflect the sun on a material, yes it has to be "in view" of the reflection. This has nothing to do with material acting as a light source though.
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By Erwin Edel
The Glow parameter on surfaces is just a postproduction effect applied to your render. It does not cast light.

It also increases render time dramatically, so you might have faster result applying a similar effect in something like Photoshop.

There are lightsources that you can give a shape, though. Maybe these can be used to achieve what you're after.