Maya 2020 fundamentals - modelling the real world
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1
19-05-2011
, 04:08 PM
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Lighting of HIGH-scale scenes in Maya
p.s. My initial scene was a lot smaller and my fill-lighting consisted of only 2 point lights (for an ok look)... but for some other reasons we had to scale it up... now keying 20 (+test rendering...) fill lights so that the result look homogenuous seems like a nightmare :x Please HELP
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2
19-05-2011
, 04:13 PM
The Nurb Herd
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19-05-2011
, 05:57 PM
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Picture top left is with 20 fill point lights (not final tweek, but to see the difference when comparised with a directional light - the other 2 pics)
p.s. The problem is actually that an EVENLY lit scene (say an intencity of 10 for a directional light) doesnt look always the same - its going to be always OVEREXPOSED near the camera, while the background is going to be darker than desired....
Last edited by xukca; 19-05-2011 at 06:02 PM.
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4
19-05-2011
, 06:50 PM
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btw, 20 point lights is crazy.
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19-05-2011
, 07:16 PM
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This pic is from something else but you get the point.
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19-05-2011
, 08:48 PM
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Oh, well, I thought about making a GUI, especially for the the 20 point lights setup can be handyAs Dom said, you can use non shadow casting directionals. And you could create a dummy object for a handle, create a float attribute that's connected to the lights' intensities and key that instead.
This pic is from something else but you get the point.
The point is, if I get a directional light, which is parallel to the bridge, I get the entire FG overexposed (2nd pic). If I get tilted directional I get either the left or the right side of the FG overexposed (lastpic).
I initially came on the conclusion that I need a long row of (like 5-10) fill lights, so that I can key the closer to the camera on lower value (let say 1), mid lights on value like (7-15) and the far away lights on super high value (like 50-100).... but since I have this camera movement forward, then once again from altar to the starting point, Im really looking forward to find a smarter solution, than just keying for 1 weak as crazy...
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19-05-2011
, 09:18 PM
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19-05-2011
, 09:46 PM
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i just made a scene similar to yours and it looks fine with one directional light intesity set at 1.
Light linking is useful in some situations, but i wouldn't use it often. Its doesn't make sense in a real world environment. As an example you wouldn't have a specular light specifically for your watch, which would follow you around.
Last edited by honestdom; 19-05-2011 at 09:56 PM.
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19-05-2011
, 09:55 PM
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Well, I use GodRays with partivolume, so my settings are not "wrong", just a little bit different, so that I have nice rays coming through holes in the ceiling
@daverave Well, Ye I can do light linking, to the nearest object to the camera (to clip overexposure)... but my camera MOVES, so at defined moment in time ANY object is close to it! So far Im aware, light linking is either on or off...i cant render 50 frames, stop batchrender, recheck objects, do another linking and continue rendering, there are going to be "light holes/jumps" in the final movie.
:/
p.s. I just realise that this light "fade-out" is maybe caused indeed from the partivolume node, but these godrays need to be integrated into the beautypass, cant be rendered separately (because they dont even have an alpha...), this seems to be even more comlicated to resolve than I initially thought...
Last edited by xukca; 19-05-2011 at 10:04 PM.
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19-05-2011
, 09:56 PM
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19-05-2011
, 10:10 PM
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