[alt-photo] Re: DESICCATE! DESICCATE! DANCE TO THE MUSIC!

Katharine Thayer kthayer at pacifier.com
Wed Jul 28 14:35:46 GMT 2010


Alan, there are many methods for generating curves to redistribute  
print tones.  I learned on Dan Burkholder's instructions back a  
ways,  and many people have generated curves with similar trial and  
error methods. .   What I've gathered just from watching several  
forums out of the corner of my eye is that QTR is widely considered  
to give the best results of currently popular methods, though  
difficult to learn (that's just my general impression).  If you don't  
want to get that geeky about it and just want a quick way to get  
there, I highly recommend Michael Koch-Schulte's easy instructions,  
using ChartThrob to generate the curve.  It works great, very easy to  
understand, and it's free.  Here's the step-by-step instructions for  
creating digitial negatives:

http://www.inkjetnegative.com/images/RNP/ 
quick_guide_to_making_digital_ne.htm




On Jul 28, 2010, at 7:12 AM, Alan MacKellar wrote:

> Sorry, a typo.  I was just wondering whether I could use PDN to  
> create a
> driver(Right word?) curve to instruct my Epson 3800 (from a PC) how  
> to print
> a better inkjet print than just calibrating my monitor and hoping the
> factory instructions tell the Printer how to lay the inks down.   
> When I do
> an inkjet print, my printer always prints considerably darker than  
> it looks
> on the monitor (not just because of light from a monitor is  
> brighter than
> pigments laid down on a print and reflected into my eye). My wife,  
> who uses
> an Epson 4800 downstairs does not have this problem. So I guess and
> compensate by creating a monitor image lighter than what I want.  I've
> gotten pretty good at it, but could PDN do better?
>
> Sorry about getting off the alt-process topic.  Thanks for the helpful
> comments.
> Alan
>
> -----Original Message-----
> From: alt-photo-process-list-bounces at lists.altphotolist.org
> [mailto:alt-photo-process-list-bounces at lists.altphotolist.org] On  
> Behalf Of
> Paul Viapiano
> Sent: Wednesday, July 28, 2010 12:38 AM
> To: The alternative photographic processes mailing list
> Subject: [alt-photo] Re: DESICCATE! DESICCATE! DANCE TO THE MUSIC!
>
> I figured such, Jim...
>
> PDN is inkjet only, because it involves using ink color to block  
> light (UV
> density).
>
>
>
>
> ----- Original Message -----
> From: "Jim Larimer" <jrlarimer at gmail.com>
> To: "The alternative photographic processes mailing list"
> <alt-photo-process-list at lists.altphotolist.org>
> Sent: Tuesday, July 27, 2010 9:18 PM
> Subject: [alt-photo] Re: DESICCATE! DESICCATE! DANCE TO THE MUSIC!
>
>
> Hi, Paul...I am the "Facebook Jim" that responded to a question  
> from Alan
> about whether I used PDN or QTR. I make my gum prints using laser
> transparencies and knew that QTR was meant for ink jet printers.  
> But, did
> not realize that Mark's PDN applied to laser printer output. (I am  
> going to
> look into this some more). I don't think that I would have referred  
> to ink
> jet laser prints. At least I hope that I didn't ;o)
> Jim
>
> On Tue, Jul 27, 2010 at 7:09 PM, Paul Viapiano  
> <viapiano at pacbell.net> wrote:
>
>
>> QTR is a piece of software that helps you print a B&W inkjet print  
>> and
>> gives you total control over inks, densities, etc. It is also used to
>> print
>> inkjet negatives on transparency materials for alt and silver  
>> printing,
>> precisely because it gives you control over how the ink gets laid  
>> down on
>> the negative.
>>
>> PDN is a system for creating a curve for any process AND  
>> outputting the
>> resulting negative on a substrate. PDN is a complete system for  
>> making
>> digital negs while QTR is just a tool for output.
>>
>> I think that's a decent nutshell version, not complete, but  
>> nutshell...
>>
>> But inkjet laser? It's either an inkjet print or its a laser print.
>> They're
>> not the same...
>>
>>
>>
>>
>> ----- Original Message ----- From: "Alan MacKellar"  
>> <amackellar at qx.net>
>> To: "'The alternative photographic processes mailing list'" <
>> alt-photo-process-list at lists.altphotolist.org>
>> Sent: Tuesday, July 27, 2010 4:43 PM
>>
>> Subject: [alt-photo] Re: DESICCATE! DESICCATE! DANCE TO THE MUSIC!
>>
>>
>> Jim (a facebook friend) just answered my question about whether he  
>> had
>> tried
>> QTR or PDN for Pt/Pd or gum printing by saying he thought it was  
>> only used
>> by those who did ink jet laser printing.  I never thought of  
>> that.  Could
>> it
>> work?  I am working on Pt/Pd and next week my wife, Rene, and I  
>> will be
>> spending our time in MT with Chris, learning how to do tricolor gum.
>> Alan
>>
>> -----Original Message-----
>> From: alt-photo-process-list-bounces at lists.altphotolist.org
>> [mailto:alt-photo-process-list-bounces at lists.altphotolist.org] On  
>> Behalf
>> Of
>> Michel Debar
>> Sent: Tuesday, July 27, 2010 3:55 AM
>> To: The alternative photographic processes mailing list
>> Subject: [alt-photo] Re: DESICCATE! DESICCATE! DANCE TO THE MUSIC!
>>
>> If my memory is correct, the advice I received about this is to  
>> use double
>> containers, to minimize air pressure exchanges (they may bring in
>> moisture),
>> that do happen even with what one thinks are air-tight bags.
>>
>> 2010/7/27 John Brewer <john at johnbrewerphotography.com>
>>
>>  Hi Bob,
>>
>>>
>>> I would repack it in smaller quantities and seal the smaller  
>>> containers.
>>> When I buy FAC now I get it repacked into manageable sizes now.
>>>
>>> Best wishes from wet Manchester UK,
>>>
>>> J.
>>>
>>>
>>>
>>>
>>>
>>> -----Original Message-----
>>> From: alt-photo-process-list-bounces at lists.altphotolist.org
>>> [mailto:alt-photo-process-list-bounces at lists.altphotolist.org] On  
>>> Behalf
>>> Of
>>> BOB KISS
>>> Sent: 27 July 2010 00:03
>>> To: 'The alternative photographic processes mailing list'
>>> Subject: [alt-photo] DESICCATE! DESICCATE! DANCE TO THE MUSIC!
>>>
>>> DEAR LIST,
>>>
>>>           I just received my 1 lb white plastic jar of Ammonium
>>> Thiocyanate to use in my gold toners for salt and albumen  
>>> prints.  I will
>>> be
>>> keeping it in my a/c darkroom which maintains about 50% rh and 75  
>>> F.  We
>>> all
>>> know that, once I open it, even in those conditions, it is so  
>>> hydroscopic
>>> that I will soon have a jar with solution with some xtals at the  
>>> bottom.
>>> Sooooooooooooooooooo, my question is, how do I keep it *dry* and
>>> powdered?
>>>
>>>           My first idea is to keep it in a zip lock baggie with some
>>> silica gel packs around it.  I would "regenerate" them every time  
>>> I open
>>> the
>>> bag.  Will this do it or does anyone know a better way?
>>>
>>>           Please don't suggest other options for this agent like
>>> carbonates or others.I want to know the best way to maintain *this*
>>> chemical.
>>>
>>>                       CHEERS!
>>>
>>>                                   BOB
>>>
>>>
>>>
>>>  Please check my website:  <http://www.bobkiss.com/>
>>> http://www.bobkiss.com/
>>>
>>>
>>>
>>>
>>> "Live as if you are going to die tomorrow.  Learn as if you are  
>>> going to
>>> live forever".  Mahatma Gandhi
>>>
>>> _______________________________________________
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>>>
>>>
>>>
>>>
>>
>> --
>> Michel Debar
>> 11, chemin du Fort Saint-Héribert
>> 5100 Wépion Belgique
>>
>> Tél. +32 (081) 4612 04 - +32 (0485) 72 83 92
>> _______________________________________________
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>>
>>
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