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Re: Plotting functions with TeXmacs graphics


Chronological Thread 
  • From: Giovanni Piredda <address@hidden>
  • To: address@hidden
  • Subject: Re: Plotting functions with TeXmacs graphics
  • Date: Thu, 14 Nov 2019 09:53:36 +0100

On 14.11.19 09:21, TeXmacs wrote:
Hi,

For all those of you would like to play with automatically
generated graphics using Scheme, the SVN revision 12502
(and next version of TeXmacs) contains a useful example

TeXmacs/examples/texts/scheme-session-test.tm

Best wishes, --Joris

I did not know that TeXmacs has a "graph2d" command. The graphs look very nice, but does one need the next version of TeXmacs (or the SVN revision 12502) to be able to run the commands and get the output? The command in the first field

($strong "Hello")

works with TeXmacs 1.99 only after I use the stree->tree function

(stree->tree ($strong "Hello"))

and the graphics command gives me:

Unbound variable: $grid


Giovanni




On Wed, Nov 13, 2019 at 11:07:02PM +0100, Giovanni Piredda wrote:
On 13.11.19 19:40, TeXmacs wrote:
I tried it on my computer, but had some problems to make it run,
and I still have various error messages. These problems can
probably be solved by putting your code in a clean TeXmacs plug-in
(see Help -> Interfacing ; you just need to bundle your files
following the conventions that are explained there).
Hi again,

I have done a minimal reorganization, not yet according to the
conventions; I need more time for organizing the code properly. But
maybe it is enough to get the code to work for other people too -
the idea is that right now it should be enough to place the
directory tree with the Scheme files inside the /progs directory in
the TeXmacs user path.


Concerning your problem with text: you may change the alignment
using TeXmacs markup. To see how, and similarly for other types
of markup, you may draw a picture with horizontally centered text
in graphics mode, and look at the source code representation
(Document -> Source -> Edit source tree).

I fixed it, it looks ok now, thanks. By the way on the topic "text
in graphics" the possibility to rotate the text could be useful (in
the case of plots, for the label of the y-axis - although there are
not yet axis labels in the plots with the code I posted!).


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