Digital BW, The Print

OK folks,

I think I'm finally beginning to see the light. Let me restate the 
procedure as I now understand it.

First I remove the linearize line in the .qidf to print a 21 
stepwedge from within QTR using the paper curve that I desire to 
change to suit my ink/paper combination.

Second I take the density readings from the unlinearized 21 
stedpwedge to plug into QTR's curve creation utility.

Thirdly I create the paper curve and reprint the 21 stepwedge to see 
the results.

Am I in the ballpark now?

Your slightly less frustrated friend in Photography,

Johnny

--- In DigitalBlackandWhiteThePrint@yahoogroups.com, Daniel Staver 
<daniel@p...> wrote:
> It's very important that you delete the old linearize statement 
BEFORE 
> you print the stepwedge for re-linearization. Otherwise you're 
> linearizing against values which doesn't exist. Linearization is 
always 
> done against an unlinearized curve.
> 
> You can do this with a scanner as well. It's a good way to 
practise, 
> then you can do it properly next time you get access to a 
densitometer 
> again.
> 
> Scan the printed stepwedge without adjustments and bring it into 
> Photoshop. Then read the L values of each step and enter them into 
the 
> linearization in QTR. The values should go from high to low instead 
of 
> low to high. That's how QTR differentiates between the different 
types 
> of readings.
> 
> --
> Daniel Staver
> http://daniel.staver.no