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Digital BW, The Print

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Re: [Digital BW] QTR ICC in use

2005-08-09 by Roy Harrington

--- In DigitalBlackandWhiteThePrint@yahoogroups.com, "odesmais" <odesmais@y...> 
wrote:
> Roy,
> 
> Sorry, my wording and conception of ICC are quite approximative.
> 
> So yes whether grey dot 15,20%, gamma1.8, 2.2... the profile will 
> still do its job of converting from source to destination. My initial 
> purpose was just to visualise the QTR ICC in action. Because I don't 
> understand why when I look at the generic Matte Profile the kTRC is 
> (far) above the 45° while my QTR ICC is (far) below ? And this should 
> have nothing to do with working spaces : all is done in QTR with no 
> CMS. Have done it wrong ? kTRC curve reflects sourceL to destinationL 
> right ? so my ICC would actually darken the print, while the generic 
> Matte lightens it ???

I'm beginning to think the discussion so far has been too theoretical.  This
sounds like there's something amiss in the workflow -- i.e. the
practical side.   You should send me details of what you are doing so
I can understand what's happening.

> 
> I personally can't really visualise the print without the soft 
> proofing. At least as of now it reflects the paper white (in L) 

You ought to be able to get the same view in regular mode that you
are finding useful in the softproof.

Roy

> calling sometimes for addtional contrast. Besides, as a matter of 
> fact I played a bit today with the Matte Profile and could see it 
> does add something to preview prints with and without BPC also to 
> determine a wanted contrast.  
> So how do you recommend soft proofing as of now : perceptual, white 
> paper on(that also shows Black ink) and forget BPC that can not (yet)
> be used ?
> 
> Thanks.
> 
> Olivier

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