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Digital BW, The Print

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Message

[Digital BW] Number of tones was Re: Do inkjets dither or not?

2002-08-06 by royvharrington

> > BTW, a 256 step wedge comes right on the piezo software
> > CD -- that's what I used for the exact same test a couple of days ago.
> 
> Is the flush image a 256 step wedge?  The others certainly aren't...  I
> thought you said you measured a gradient?

The 21step file (both Piezo's and Paul Roark's) have steps on the bottom
but the top is just a gradient.  If you want a particular layout, PS can
do it very easily (the dithering in the gradient can be enabled or disabled).

Roy

> 
> In fact, if the flush image is in fact a 256 step wedge, it may be better
> suited to what I'm trying to see...as the "Z" pattern is more for visual
> discernability, than for densitometer measurement...as the "Z" is in the
> middle of the patch.
> 
> Regards,
> 
> Austin

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