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clipka <ano### [at] anonymous org> wrote:
> Did you ever check the gamma with the test images in the documentation,
> or some site on the internet? The 3.7.0.RC1 also comes with a section on
> gamma handling, and a sample scene to check whether your settings are
> "sane".
OK, I've spent some more hours working on this and I see that I was doing some
things wrong. Matching the display_gamma and file_gamma to the video card gamma
setting of 1.0 was a big mistake! The setting of 2.2 works perfectly.
A long time ago I used the gamma setting utility that's built into the video
card software, but I re-ran it and got about the same settings.
Changing the display_gamma and file_gamma ini settings made things much better.
Thanks again, I hope this may help others from making the same mistake I made
with the video card.
Regards,
Dave Blandston
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Jaime Vives Piqueres <jai### [at] ignoranciaorg> wrote:
> Back then it looked fine to me: I was even able to see the plant on
> the corner! Now, with a properly calibrated monitor, I can barely see
> anything else than the sunlit parts and a little radiosity near them.
> How do you see it? ...do you see the plant on the corner?
The plant is not visible on my monitor. Thanks for helping me diagnose the
problem!
Regards,
Dave Blandston
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>> I'm sure I am doing something wrong. In order to get everything
>> looking good on
>> my monitor (CRT), I set the video card gamma to +1.0. If I set it
>> lower or
>> higher I CANNOT get things to look right by adjusting the brightness and
>> contrast settings. If I set my video card to gamma 2.2 it looks
>> absolutely
>> terrible.
>>
>
> While I agree totally with clipka remarks, I think perhaps your CRT is
> also to blame here... your issues remember me of my problems many years
> ago with a faulty Samsung monitor. I suspect this is why you see as
> "washed out" what others see as "correct", and also why others see as
> "too dark" what you see as "correct".
>
> Look for example at this old image of mine, which I created while using
> the flawed monitor:
>
> http://www.ignorancia.org/uploads/images/persiana/persiana.jpg
>
> Back then it looked fine to me: I was even able to see the plant on the
> corner! Now, with a properly calibrated monitor, I can barely see
> anything else than the sunlit parts and a little radiosity near them.
> How do you see it? ...do you see the plant on the corner?
>
>
Everything except the directly lit parts are black. I've rendered it
myself some times ago and had to make some big changes in the lighting,
finishes and radiosity settings to have it look correct.
Alain
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Am 03.01.2011 13:05, schrieb Jaime Vives Piqueres:
> While I agree totally with clipka remarks, I think perhaps your CRT is
> also to blame here... your issues remember me of my problems many years
> ago with a faulty Samsung monitor. I suspect this is why you see as
> "washed out" what others see as "correct", and also why others see as
> "too dark" what you see as "correct".
>
> Look for example at this old image of mine, which I created while using
> the flawed monitor:
>
> http://www.ignorancia.org/uploads/images/persiana/persiana.jpg
>
> Back then it looked fine to me: I was even able to see the plant on the
> corner! Now, with a properly calibrated monitor, I can barely see
> anything else than the sunlit parts and a little radiosity near them.
> How do you see it? ...do you see the plant on the corner?
>
It looks fine to me (besides the radiosity blotches) and I *do* see the
plant in the corner very well. Maybe your *flawed* monitor was not so
bad after all and I have doubts about your 'properly calibrated monitor'.
Viewed with a brand new EIZO (CG243) that was yesterday calibrated with
an Eye1.
Note that many TN panels do not difference very well within 'dark' input
signals. One of the reasons I did keep my CRT as long as possible (where
BTW the plant in the corner can also be seen, but quite unsharp as this
CRT is really getting old) and I finally decided to buy a IPS panel.
-Ive
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> It looks fine to me (besides the radiosity blotches) and I *do* see
> the plant in the corner very well. Maybe your *flawed* monitor was
> not so bad after all and I have doubts about your 'properly
> calibrated monitor'.
You're right, as usual: my system wasn't properly calibrated, and I
was talking without having really checked it. :( ...thanks for the
deserved slap! ;)
Seems that on the last OS upgrade I forgot to restore my gamma
correction settings for the graphic card. It was just a little bit off,
and once corrected I do start to see the plant on the upper right corner
of the image, but not "very well"... just a bit more than "barely". I
still have to raise the gamma to 1.4 on the image to match what I
remember as the "original look" of the image.
> Note that many TN panels do not difference very well within 'dark'
> input signals. One of the reasons I did keep my CRT as long as
> possible (where BTW the plant in the corner can also be seen, but
> quite unsharp as this CRT is really getting old) and I finally
> decided to buy a IPS panel.
No flat panel here... it's a CRT (Philips 109B, and yes, I'm also
praying for it to last still some years... fortunately it is still sharp
enough).
--
Jaime Vives Piqueres
La Persistencia de la Ignorancia
http://www.ignorancia.org
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