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Digital BW, The Print

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Re: [Digital BW] qimage advice?

2005-10-23 by Tyler Boley

Thanks Ernst, every single question answered! Sounds like gray-RGB-back to gray would 
be necessary for my idea. Perhaps not wise.
Tyler

--- In DigitalBlackandWhiteThePrint@yahoogroups.com, Ernst Dinkla <E.Dinkla@c...> 
wrote:
>
> Tyler Boley wrote:
> > I'd like to do some experiments with the qimage demo to see if I like
> > it and could use some input. Since I use StudioPrint all I will do is
> > use it to process tiffs, then place them in the RIP. First of all, I
> > was told the x600 printers were native 720dpi, no? I thought qimage
> > reported back the printer native dpi, and it currently says 360x360
> > for my 9600.
> > Also, any advice you could give about the various scaling/sharpening
> > algorythms would be a help, I'd like to limit my experimenting time.
> > Basically, I'd just like to see if I can get better large prints from
> > smaller format files. Is this worth playing with for that, or are
> > normal Photoshop tools going to get me to pretty much the same place?
> > Thanks,
> > Tyler
> > 
> > PS- of course what I'm really trying to do is avoid reading the manual...
> 
> Qimage is RGB and RGB only. The greyscale will be handled as 
> RGB and if you want to use the conversions to the QTR matte 
> profile etc you need to use the RGB version of the profiles. 
> Qimage's color management delivers the same color print 
> results as Photoshop does but I rather use PS to do the 
> greyscale conversions with the QTR profiles and then feed 
> Qimage with the greyscale while Qimage's color management is 
> off. I'm not sure after some tests that it does the greyscale 
> conversions correct.
> 
> The 9600 has two native PPI's: the finest settings ask for 720 
> PPI and Qimage reports that, the other ones are 360 PPI.
> 
> With huge enlargements: 8 MP take to say 3 x 4 feet I use the 
> max of interpolations and pyramid but take the sharpening down 
> to 2 as otherwise the artifacts are not acceptable. At that 
> size you see that it is enlarged but my customers can't get 
> better quality.
> 
> The manual is quite useful though and the GUI is not that 
> informative while trying things out so I had to read a thing 
> or two.
>                     --
>            Ernst Dinkla
> 
> 
> www.pigment-print.com
> (         unvollendet         )
>

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