Groups > comp.graphics.apps.gnuplot > #777

Re: axes x2y1 with filled curves

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From	sfeam <sfeam@users.sourceforge.net>
Newsgroups	comp.graphics.apps.gnuplot
Subject	Re: axes x2y1 with filled curves
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Date	Wed, 21 Dec 2011 10:18:44 -0800
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Alex van der Spek wrote:

> gnuplot> plot '-' using 1:2:3 with filledcurves

  Disregarding the solid fill, this plots two dependent
  values (2 and 3) of a shared independent axis (1).

> input data ('e' ends) > 1 2 3
> input data ('e' ends) > 10 2 3
> input data ('e' ends) > 10 1 4
> input data ('e' ends) > 20 1 4
> input data ('e' ends) > e
> 
> Works as expected but the same data with
> 
> gnuplot> plot '-' using 3:2:1 axes x2y1 with filledcurves

  But here the independent axis is (3), while 1 and 2 are
  dependent values.  So no transformation can make this 
  equivalent to the previous case.   Note that column 2
  is treated as a dependent variable in both cases. 

  Maybe it would be easier to see what is going on by plotting
  case 1:
     set style function lines
     plot foo using 1:2, '' using 1:3
  case 2
     set style function lines
     plot foo using 3:1, '' using 3:2

> input data ('e' ends) > 1 2 3
> input data ('e' ends) > 10 2 3
> input data ('e' ends) > 10 1 4
> input data ('e' ends) > 20 1 4
> input data ('e' ends) > e
> 
> produces output I cannot make sense of. It should produce the same type of
> 'graph' only rotated clockwise by 90 degrees after scaling the axes.

  In general gnuplot can only use x as the independent axis.

> 
> Any help or explanation would be appreciated,
> Alex van der Spek

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Thread

axes x2y1 with filled curves "Alex van der Spek" <zdoor@xs4all.nl> - 2011-12-21 17:06 +0100
  Re: axes x2y1 with filled curves sfeam <sfeam@users.sourceforge.net> - 2011-12-21 10:18 -0800
    Re: axes x2y1 with filled curves "Alex van der Spek" <zdoor@xs4all.nl> - 2011-12-21 19:56 +0100
      Re: axes x2y1 with filled curves Hans-Bernhard Bröker <HBBroeker@t-online.de> - 2011-12-22 02:37 +0100
        Re: axes x2y1 with filled curves "Alex van der Spek" <zdoor@xs4all.nl> - 2011-12-27 17:26 +0100

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