QTR-Quadtone RIP

excel outputs a new piezo .quad file linearized to my paper/printer.

I take the .quad data into excel apply my target data to linearize it and
write it back into a new .quad file ....

Mike

On 8 September 2011 20:20, spsguru <spsguru@...> wrote:

> **
>
>
> Sorry Mike but clearly I am missing something here.
>
> I am unclear as to:
>
> 1. What is the output from the excel file - is it just the data?
>
> 2. And then do you create a acv file for adjustment in PS or what is the
> process for creating a new quad file?
>
> thanks!
>
>
> --- In QuadtoneRIP@yahoogroups.com, Michael King <drmrking@...> wrote:
> >
> > >
> > >
> > > Do you take the linearization info and bring it into the generic piezo
> > > profile in the standard linearization line in the profile text file?
> > >
> > No, piezo profiles do not have a profile definition (.qidf) file. They
> are
> > just .quad files hence you can't edit them with QTR.
> > Jon creates them from his own profiling tool which spits out a .quad file
> > directly.
> >
> > What I do is take Jon's piezo .quad and relinearize it using target
> > measurements and an excel worksheet I created.
> >
> > Mike
> >
> > >
> > > --- In QuadtoneRIP@yahoogroups.com, Michael King <drmrking@> wrote:
> > > >
> > > > Hi Sean,
> > > >
> > > > Yes I have. Wrote a linearization tool in Excel that linearizes piezo
> > > > profiles for my paper/printer.
> > > >
> > > > Also experimented with creating QTR style profiles for piezo inks.
> There
> > > are
> > > > pluses and minuses to both profile approaches.
> > > > Jon's piezo profiles have a lot of overlapping inks and that creates
> a
> > > very
> > > > smooth tonality that is very resistant to posterization.
> > > > But lots of inks @ dmax rarely gives the best dmax.
> > > >
> > > > Mike
> > > >
> > > > On 8 September 2011 19:22, spsguru <spsguru@> wrote:
> > > >
> > > > > **
> > > > >
> > > > >
> > > > > Hi all
> > > > >
> > > > > I understand that the piezography profiles are not like the typical
> QTR
> > > > > profiles - but I am curious if anyone has gone through the process
> of
> > > > > adapting a generic piezo curve to fit thier printer- paper
> combination?
> > > > >
> > > > > Thank you
> > > > > Sean
> > > > >
> > > > >
> > > > >
> > > >
> > > >
> > > > [Non-text portions of this message have been removed]
> > > >
> > >
> > >
> > >
> >
> >
> > [Non-text portions of this message have been removed]
> >
>
>  
>


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