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Re: L* jump

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Re: L* jump

Subject: Re: L* jump
From: Klaus Karcher <email@hidden>
Date: Thu, 22 Nov 2007 19:18:33 +0100

Klaus Karcher wrote:

When you set your grascale working space to gamma=1 the info panel will show L=76 for K=50% (was L=50 before switching to multichannel), that means the percentage values will be mapped linearly to Y in this case.

mmmh ... just tried to verify what I said and made a custom dot gain curve that maps Y to L (I used Bruce Lindblooms CIE Color Calculator to get the curve values -- some examples: 20 -> 51.8; 50 -> 76.1) I expected to get L=50 for K=50 in the info panel with this curve ... but I got L=56. ... curious. Can someone explain what's going on?

Klaus
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References:  
  >L* jump (From: "eugene appert" <email@hidden>)
  >Re: L* jump (From: Klaus Karcher <email@hidden>)




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