QTR-Quadtone RIP

On Mon, Dec 22, 2008 at 4:41 PM, rabanito <rabsanito@...> wrote:
> I have an Epson 2880. For starters I wanted to use QTR with Premium
> Glossy Photo paper. Using the settings "optimized B&W Photo" from
> Photoshop I get satisfactory results.
> Following the user's guide I looked for curves for this paper but
> found none. I tried then UCpk-raw-neut (both curves) and printed. The
> result is not satisfactory so I thought I could try to create my own
> curves...
> Well I printed the InkSeparation.tif file, Ink Slider to the right(not
> to the left) so as to get the value 100 and got a age with all 8 inks.
> Now I'm stuck. I don't understand what I'm supposed to look for. "the
> patch where it appears that all paper is covered with ink" Does this
> mean the patches where one cannot distinguish the fine lines? Or where
> one cannot distinguish a patch from the next? I'm using a loupe.
> The problem is that it doesn't look like I understand what I am doing
> at all. Some parts of the user's guide are elementary, others seem to
> speak to persons with a previous knowledge (in printing techniques) I
> don't possess :-(
> Is there anything I can do/read?
>
> Thank you for any help
>
> Jorge
>
>
>
>
>
>
> ------------------------------------
>
> Yahoo! Groups Links
>
>
>
>

From: Roy Harrington <roy@harrington.com>
To: QuadtoneRIP@yahoogroups.com
Sent: Monday, December 22, 2008 9:01:01 PM
Subject: Re: [QuadtoneRIP] Previous knowledge. Where can I find what I need?


The raw curves are unlinearized.   I don´t know what you mean as
not satisfactory.  Try the other pk ones.  If you really need to do your
own start with the existing ones.

Roy


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> ------------ --------- --------- ------
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> Yahoo! Groups Links
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On 12/22/08, jorge caruso <rabsanito@...> wrote:
> Thanks Roy.
> About what I mean with  "not satisfactory": my test prints with the raw curves produced grays where I expected blacks. But I'll try the other curves.
> The problem I addressed is my not understanding the process as described in the user's guide.  Perhaps it's above me :-(  Or I am just unprepared.
> Just as an example:
> In the old (wet) days I used to calibrate a batch of film and match it to a batch of paper I liked to use. I also practiced "visualization", trying to match my perception of a scene to values of an abbreviated gray scale  I'd stored in my mind (no, not 10 Zones, just some :-) . The results were not exact, to be sincere, but I had the feeling that I understood what I was doing - what happened and why - in every step. I understood what happened if I changed anything. I could "fine tune" the process if I wished.and  also roughly predict the results.
>
> Now digital: My intention with QTR is to arrive to some kind of B&W softproofing. To be able to predict what will be printed related to what I see in my monitor. Eventually changing this or that parameter.
>
> Thanks for your patience :)
>
> Jorge
>
>
>
>
>
> ________________________________
> From: Roy Harrington <roy@...>
> To: QuadtoneRIP@yahoogroups.com
> Sent: Monday, December 22, 2008 9:01:01 PM
> Subject: Re: [QuadtoneRIP] Previous knowledge. Where can I find what I need?
>
>
> The raw curves are unlinearized.   I don´t know what you mean as
> not satisfactory.  Try the other pk ones.  If you really need to do your
> own start with the existing ones.
>
> Roy
>
>
> >
> >
> >
> >
> > ------------ --------- --------- ------
> >
> > Yahoo! Groups Links
> >
> >
> >
> >
>
>
>
>
>
> [Non-text portions of this message have been removed]
>
>
> ------------------------------------
>
> Yahoo! Groups Links
>
>
>
>

From: Roy Harrington <roy@...>
To: QuadtoneRIP@yahoogroups.com
Sent: Tuesday, December 23, 2008 9:25:45 AM
Subject: Re: [QuadtoneRIP] Previous knowledge. Where can I find what I need?


I suspect that its something other than the curves.  What are you using
to print -- ie. PC/Mac, Photoshop?  OPtions selected?

Roy

On 12/22/08, jorge caruso <rabsanito@yahoo. com> wrote:
> Thanks Roy.
> About what I mean with  "not satisfactory" : my test prints with the raw curves produced grays where I expected blacks. But I'll try the other curves.
> The problem I addressed is my not understanding the process as described in the user's guide.  Perhaps it's above me :-(  Or I am just unprepared.
> Just as an example:
> In the old (wet) days I used to calibrate a batch of film and match it to a batch of paper I liked to use. I also practiced "visualization" , trying to match my perception of a scene to values of an abbreviated gray scale  I'd stored in my mind (no, not 10 Zones, just some :-) . The results were not exact, to be sincere, but I had the feeling that I understood what I was doing - what happened and why - in every step. I understood what happened if I changed anything. I could "fine tune" the process if I wished.and  also roughly predict the results.
>
> Now digital: My intention with QTR is to arrive to some kind of B&W softproofing. To be able to predict what will be printed related to what I see in my monitor. Eventually changing this or that parameter.
>
> Thanks for your patience :)
>
> Jorge
>
>
>
>
>
> ____________ _________ _________ __
> From: Roy Harrington <roy@harrington. com>
> To: QuadtoneRIP@ yahoogroups. com
> Sent: Monday, December 22, 2008 9:01:01 PM
> Subject: Re: [QuadtoneRIP] Previous knowledge. Where can I find what I need?
>
>
> The raw curves are unlinearized.   I don´t know what you mean as
> not satisfactory.  Try the other pk ones.  If you really need to do your
> own start with the existing ones.
>
> Roy
>
>
> >
> >
> >
> >
> > ------------ --------- --------- ------
> >
> > Yahoo! Groups Links
> >
> >
> >
> >
>
>
>
>
>
> [Non-text portions of this message have been removed]
>
>
> ------------ --------- --------- ------
>
> Yahoo! Groups Links
>
>
>
>
    


      

[Non-text portions of this message have been removed]