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The Mix Master
Posts: 461
Reply with quote  #1 

Other than natural sunlight, there are two artificial ways to bring light in from a window:


This first way is the classic technique of making the glass into an LEM. Light setting can be anything from 15-30. Disadvantage is now you cannot see through the window. But the light quality is gentle and it looks great!


  2m 38s


This second way uses two omnis in the center of each window. Make a rectangle the exact size of each window, and group them. Give a light setting of 8-10. Move them back a little distance so they won't cast hotspots on the window frame. The light quality is more abrupt, not so gentle as the first one. But render speed was much faster.


  1m 31s


Method 2 works okay as long as the window is not up against a surface like a floor, wall or ceiling. One bonus is that because omni lights are transparent, you can have both the omni and sunlight at the same time, which is something the window LEMs cannot do.


  1m 36s


If you light the room from within, for example using an LEM you can get this result. The model is attached.



Posts: 72
Reply with quote  #2 

Brillant, Zem.  Thank you.




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Texture King
Posts: 2,476
Reply with quote  #3 


Add some color to the lights, move  an LEM and photoshop in a backround...and viola we have faux GI.



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Posts: 154
Reply with quote  #4 

These Images bring up a question I have been struggling with.  I have been trying to make some effective light fixtures, but when ever I enclose an omnilight to make it directional or at least shielded to some degree the light usually passes through the opaque geometries - (Zem's third image seems to do this, there is a lot of light on the ceiling.). Is there a trick to get consistent results?


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