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Re: [TeXmacs] graphical tool and Joris Paper


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  • From: Henri Lesourd <address@hidden>
  • To: "address@hidden" <address@hidden>
  • Cc: Javier Arantegui <address@hidden>, address@hidden
  • Subject: Re: [TeXmacs] graphical tool and Joris Paper
  • Date: Fri, 15 Sep 2006 14:20:28 +0200

address@hidden wrote:

Hi and thank you for your help,

it looked exactly as i wanted at first, but :

1°) i can draw on the plot but cannot add a grid (what was on Joris's
paper)


The curve plots are done by means of GnuPlot, which generates
a Postscript, which is non-transparent. I suppose that the
curve Joris drawed in his paper was just handmade, by means
of drawing a spline in the graphics. In this latter case,
of course, one can see the grid.


2°) i don't know how to resize the plot (in an image an dmore generally
in the document)


This depends on GnuPlot. Or either, once the plot is done,
you can observe that GnuPlot generated a <postscript|...>
markup. You can change the dimensions of <postscript|...>
objects by means of changing the appropriate parameter (see
in the documentation for the spec of how <postscript|...>
works).


3°) with this function f(x)=(1-sqrt(1-x^2))*(x<1)+x*(x>1) (which is in
first plot) there is this line linking the "two" functions which i don't
want on the document.


That's again a problem with how GnuPlot does the drawing.

In the future, it should not be very difficult to add
a *native* TeXmacs drawing tool, which would generate
TeXmacs graphical markup, instead of a blackbox Postscript.


---
We plan to write the documentation about programming
in TeXmacs in the next few months. Once it will be
done, it will perhaps become more feasible to implement
a simple Scheme example plugin for this, and let somebody
in charge of improving & maintaining it.


Best, Henri




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