[argyllcms] Re: Wrong gamma reading with Spyder 3.

  • From: Darzur <zurdar@xxxxxxxxx>
  • To: argyllcms@xxxxxxxxxxxxx
  • Date: Mon, 08 Nov 2010 07:04:38 +0100

On Mon, 08 Nov 2010 07:41:00 +1100, Graeme Gill
<graeme@xxxxxxxxxxxxx> wrote:

>As explained in the link I posted before, Argyll reports an approximate
>gamma that is the equivalent zero based (ie. no offset) power curve that
>has the same value at 50% as the real curve. A visual scale based on
>black and white stripes will (probably) be a power curve offset
>at zero, because it is composed of a real black that is non-zero.
>
>Naturally, these two different ways of interpreting gamma are
>not the same.

Thank you for clarification. Now I see why this happens.
-- 
best regards,
darzur


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