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Carrara F.A.Q (Last Updated: 2025 Feb 13 6:48 pm)

 

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Subject: How to Light up Windows in a 3D Night Scene (Tutorial)


SciFiFunk ( ) posted Wed, 31 July 2013 at 5:21 AM · edited Tue, 25 February 2025 at 8:18 AM

Attached Link: http://www.youtube.com/watch?v=TVIt6XlX_mo

The technique I'm showing here is to isolate the windows you wish to be on by cutting them out (and the immediate surroundings if you want that), and shining a bulb light onto the cut out (and only the cut out).

This gives you the ultimate control over where you light falls, and because you can assign a separate shader for the new model you can alter how the light interacts with the window pane.

You could even set up more than one shading domain and shader to have the windows behave differently.

This technique is not the quickest but I would argue its the most flexible set up.

more tutorials at
http://www.scififunk.com
http://www.facebook.com/scififunk


Kixum ( ) posted Sat, 03 August 2013 at 10:25 AM

Interesting tutorial.  I would wonder how it would work if you selected some of the windows, setup a new shading domain and mixed some glow into the texture without lights lights at all?

-Kix


SciFiFunk ( ) posted Sat, 03 August 2013 at 3:56 PM

Quote - Interesting tutorial.  I would wonder how it would work if you selected some of the windows, setup a new shading domain and mixed some glow into the texture without lights lights at all?

 

Good point. In fact I almost started the tutorial saying that would be the easy way, vs the way I'm showing which is the hard way.

The method you suggest is excellent for a quick result. The method I've explained is useful if you have more time to spend as you can vary the result (and the bleed into the surroundings).


Xerxes0002 ( ) posted Sat, 03 August 2013 at 6:50 PM

Thank you so much for your tutorials!


SciFiFunk ( ) posted Sun, 04 August 2013 at 3:15 AM

Pleasure. I have a huge series planned on making very large scenes (I know I've made a few on this topic) - but this will be the last one becuase after episode 8 of Sci Fi Funk I'm done with very large scenes for a few years.


Kixum ( ) posted Sun, 04 August 2013 at 6:31 AM

The biggest value of using bulbs would seem to be lighting the inside window sill.  However, since you've already limited the light to only interact with the glass (I think from what I saw), illuminating the sill isn't part of the model.

 

Either way, the result looks fine.

 

I will also say thanks for the tutorials.  Pretty nice stuff.

-Kix


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