Strange lighting problem....

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Post
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Joined: Sun Apr 27, 2008 4:56 pm

Strange lighting problem....

Post by Post » Thu Jul 31, 2008 5:44 pm

So... I gain I'm up late working/learning this kick a$$ addon to sketchup which has allowed me to have a nice sandblasted glass surface within my landscape. Now I'm trying to make the night shots (requirement of the design comp.) and as I adjusted the sittings the light seamed like they get brighter. So i changed the size of the light bulb (scaling it down by good 10 times) and still is seamed to get brighter. So I deleted a few lights and a bit brighter still.

I was using a blackbody light with the settings of power 5 and OAE of 5 and reduced both to .1 or lower. As I understand by decearsing the power it will decrease the light of "bulb". you can have the same effect by decreaseing the OAE? As I was trying to learn the lights i created this chart for my reference, but it did not help me at all. :twisted:

So any thoughts on how to get the lights working the way they should?
I look forward to your responses.
Thanks.
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Attachments
light comparision copy.jpg
the quick test I did to help me with the lights
light comparision copy.jpg (173.58 KiB) Viewed 2525 times

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zsouthboy
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Post by zsouthboy » Fri Aug 01, 2008 1:15 am

Your tonemapping is negating your light power changes - change to camera or linear tonemapping.

Post
Posts: 38
Joined: Sun Apr 27, 2008 4:56 pm

Post by Post » Fri Aug 01, 2008 1:01 pm

Thanks that works Never know that skindigo had an auto exposure.

You guys have been a great help.
Thanks.
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neo0.
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Location: the US of A

Post by neo0. » Sun Aug 03, 2008 7:30 pm

Been meaning to ask, where is linear tonemapping?

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kwistenbiebel
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Post by kwistenbiebel » Mon Aug 04, 2008 10:22 am

neo0. wrote:Been meaning to ask, where is linear tonemapping?
In skindigo one only has the choice between Reinhard and camera tonemapping.
'Linear' is probably a Blendigo only function, but you can access it in the Violet tonemapper as well. (only 1.09 ,not in later versions though)

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Kram1032
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Post by Kram1032 » Mon Aug 04, 2008 10:25 pm

Blendigo ONLY? O.o

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kwistenbiebel
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Post by kwistenbiebel » Mon Aug 04, 2008 10:54 pm

Oops...actually I wouldn't know :)
I only know Skindigo doesn't have the option (but 'camera' behaves almost linear doesn't it?)

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Kram1032
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Location: Austria near Vienna

Post by Kram1032 » Tue Aug 05, 2008 12:45 am

Yes and no... Camera is Alinear xD

reinhard must be somewhat like exponential or such.... while linear is... Well, linear :D It doesn't clamp, afaik. You can reduce the contrast and change the exposure....

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