Re: How can I stretch a Postscript image, vertically only??

From	"luser.droog" <luser.droog@gmail.com>
Newsgroups	comp.lang.postscript
Subject	Re: How can I stretch a Postscript image, vertically only??
Date	2012-09-24 18:25 -0500
Organization	unorganized
Message-ID	<k3qq59$ttv$1@dont-email.me> (permalink)
References	(1 earlier) <9n0vt8Fpp4U1@mid.individual.net> <bb086a9a-f4b7-43d3-9f1b-ba9691542b65@k28g2000yqn.googlegroups.com> <5f5084db-e002-401d-8a8d-072e0592db75@q17g2000yqh.googlegroups.com> <1f50f327-f97f-496f-971b-c1d2996b41e1@r5g2000yqc.googlegroups.com> <38c69c4c-26c4-4dc8-a31b-910acf96e55f@googlegroups.com>

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helmwo@gmail.com wrote:

> Am Dienstag, 10. Januar 2012 09:25:52 UTC+1 schrieb luser- -droog:
>> ... For line-drawing, postscript uses the Current
>> 
>> Transformation
>> 
>> Matrix /twice/!
> 
> You know that this is only "half true" what you say. The path construction
> uses the CTM to fix up where the points have to be. If you now invoke
> something like "stroke" it has to "enhance" the path to make it
> "substantial" and it will do this by CTM at this moment. As a "normal
> path" has no dimensions regarding how "thick" is a line, this is done at
> the moment the line is drawn. The "stroke" operator knows how thick the
> line has to be. So, this is wanted behavior. Nothing big to mention.
> 
> Regards,
> -Helmar

Agreed. But this appeared to be the crucial missing fact for OP's program.

Thread

How can I stretch a Postscript image, vertically only?? Ramon F Herrera <ramon@conexus.net> - 2012-01-09 11:35 -0800
  Re: How can I stretch a Postscript image, vertically only?? Helge Blischke <h.blischke@acm.org> - 2012-01-09 21:10 +0100
    Re: How can I stretch a Postscript image, vertically only?? Ramon F Herrera <ramon@conexus.net> - 2012-01-09 12:44 -0800
      Re: How can I stretch a Postscript image, vertically only?? luser- -droog <mijoryx@yahoo.com> - 2012-01-09 13:27 -0800
        Re: How can I stretch a Postscript image, vertically only?? luser- -droog <mijoryx@yahoo.com> - 2012-01-10 00:25 -0800
          Re: How can I stretch a Postscript image, vertically only?? Helge Blischke <h.blischke@acm.org> - 2012-01-10 12:50 +0100
            Re: How can I stretch a Postscript image, vertically only?? luser- -droog <mijoryx@yahoo.com> - 2012-09-13 21:34 -0700
          Re: How can I stretch a Postscript image, vertically only?? helmwo@gmail.com - 2012-09-24 09:16 -0700
            Re: How can I stretch a Postscript image, vertically only?? "luser.droog" <luser.droog@gmail.com> - 2012-09-24 18:25 -0500
    Re: How can I stretch a Postscript image, vertically only?? Ramon F Herrera <ramon@conexus.net> - 2012-01-09 12:54 -0800
  Re: How can I stretch a Postscript image, vertically only?? Mark Carroll <mtbc@bcs.org> - 2013-08-03 09:39 +0100
    Re: How can I stretch a Postscript image, vertically only?? luser- -droog <mijoryx@yahoo.com> - 2013-08-14 23:46 -0700

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