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13649Re: [PPLetterpress] Re: Recent Adobe issue and PPL

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  • Peter Fraterdeus
    Dec 10, 2013
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      Most output devices these days don't use printing plates (let alone spot colors) and thus don't need trapping. There is little need for this feature and less so every year. 

      Maybe Boxcar will be able to acquire the patents of one of these vendors when they go bankrupt ;-)

      On 10 Dec 2013, at 8:10 AM, Harold Kyle wrote:



      Ha, nice, Erik. Unintended indeed...plates on the mind I guess.

      Kickstarter might be the only hope. If someone can garner interest in this obscure library's inability to choke or spread artwork when producing printing plate separations, more power to them!

      Ghostscript is very useful even without this feature, and is used "under the hood" on many print drivers. Most output devices these days don't use printing plates (let alone spot colors) and thus don't need trapping. There is little need for this feature and less so every year. The shame is that this problem has probably been independently solved by dozens of prepress vendors, but not one has donated their code back to the community. 

      Anyway, back to printing, everyone!

      Thanks
      Harold


      On Tue, Dec 10, 2013 at 8:00 AM, Kim Vanderheiden <paintedtongue@...> wrote:
       

      I wonder how much it would cost to pay a recent MIT grad to do it - could it be raised with a kickstarter campaign? 


      Could people who don't use trapping use the software without that feature? 

      Kim Vanderheiden



      Mon Dec 9, 2013 9:34 am (PST) . Posted by:

      "Harold Kyle" boxcarpress




      Identification of separations (whether spot or process) is simple.

      Determining how to spread or choke two separations that touch each other is
      difficult. Determining how to spread or choke two *or more* separations
      that touch each other *with halftones *is *extremely *difficult. The number

      crunching behind this has traditionally been done (and presumably patented)
      by prepress software vendors. None has open sourced their work to my
      knowledge.

      The developers of Ghostscript have identified "In-RIP
      trapping<http://ghostscript.com/doc/7.07/Projects.htm#Graphics_functionality>"
      as an area in need of developers. They don't expect anyone to step up to

      the plate at this point. But, if you're a math genius with time on your
      hands by all means *have at it!*

      Thanks
      Harold




      -- 
      Boxcar Press
      509 W. Fayette St. #135
      Syracuse, NY  13204



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