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I understand that all the Hewlett-Packard printers supports
postscript, including the new ones.


2014-03-29 12:56 GMT-03:00, Robin Stuart :
> Off and on over the past few years I have been developing Postscript code to
> produce Bygrave line of position slide rule scales. An earlier version of
> the code was posted previously
> http://fer3.com/arc/m2.aspx/Bygrave-Stuart-apr-2011-g16126 and was used to
> produce Bygrave reproductions
> http://fer3.com/arc/m2.aspx/MHR1-reproduction-Hasper-mar-2011-g16033
> http://fer3.com/arc/m2.aspx/MHR1-reproduction-Morris-apr-2011-g16115 In
> those versions the rules for the scale ticks were programmed in the
> Postscript code itself. It became clear that there is enough variability and
> idiosyncrasies between the original Bygrave, the H�henrechenschieber MHR1
> and modern incarnation in the form of flat Bygraves that this approach is
> not workable. Instead the new Postscript code I have written requires that
> the characteristics of each and every tick on the scale be specified either
> by reading the data from an external file or embedding it in the Postscript
> code itself. The required data can be easily generated by a high level
> computer language or perhaps a spreadsheet. Embedding the scale data in the
> Postscript creates a self-contained file that could be sent directly to a
> Postscript printer if such things still exist. For development and tweaking
> I find it faster and more convenient to read the data from an external file.
> This works fine on my Windows XP computer but so far I haven't been able to
> get it to work under Windows 8.1. Something to do with access permissions I
> guess. Any suggestions?
>
> I attach a document explaining how to run the code, some examples of the
> output that is possible and a zip file containing the code needed to produce
> them.
>
> I believe that the code could be used to produce a practical modern Bygrave
> for actual sight reductions. This would probably require plastic tubes to be
> ground to precise diameters but to date I have not located a facility to do
> this. I appears to be relatively straightforward to produce the end caps,
> locking knobs and other fittings by 3D printing.
>
> Robin Stuart
>
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> Attached File: http://fer3.com/arc/imgx/BygraveScales.pdf
> Attached File: http://fer3.com/arc/imgx/BygraveAltFlat.pdf
> Attached File: http://fer3.com/arc/imgx/BygraveFlat.pdf
> Attached File: http://fer3.com/arc/imgx/BygraveMHR1.pdf
> Attached File: http://fer3.com/arc/imgx/BygraveMkIIA.pdf
> Attached File: http://fer3.com/arc/imgx/Stuart-BygraveFiles.zip
>
>
> : http://fer3.com/arc/m2.aspx?i=127398
>
>
>
>

   

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