Re: DeltaE Calculator
Re: DeltaE Calculator
- Subject: Re: DeltaE Calculator
- From: Martin Orpen <email@hidden>
- Date: Tue, 17 Jan 2012 18:50:00 +0000
On 17 Jan 2012, at 18:25, A Sanna wrote:
> Is there a calculator or utility out there that could generate the DeltaE between two entered Lab values?
Applescript? Something along the lines of:
set {L1, a1, b1} to {47.79, 73.73, -2.93}
set {L2, a2, b2} to {48.41, 75.54, -3.88}
set dE to (((L2 - L1) ^ 2) + ((a2 - a1) ^ 2) + ((b2 - b1) ^ 2)) ^ 0.5
set dE to (dE * 100 as integer) / 100
--> 2.14
It'd only take a couple of minutes to add an interface in Xcode -- although using a spreadsheet app might be even easier.
--
Martin Orpen
Idea Digital Imaging Ltd _______________________________________________
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