Mojca Miklavec wrote:
> The problem is that I don't know:
> - how to use symbol sets inside MetaFun (verbatimtex \usesymbols[jmn]
> etex doesn't work here)
> - how to enable
> label(btex \convertnumber{gnuplot}{5} etex, (x,y))
> to work properly in metafun (no luck with verbatimtex ... etex again)
>
> Any hints would be appreciated.
I am very much a beginner at metafun, so the following is probably
garbage, but to its defence I can say that it actually achieves the
goal :)
There are two files:
% myenv.tex: contains the symbol definition
\usesymbols[jmn]
\defineconversion
[gnuplot]
[$\bullet$,
$\circ$,
$\star$,
x,
{\symbol[navigation 1][NextJump]}]
% end
% sym.tex: the main file
\environment myenv
\startMPinclusions
def draw_symbol(expr X, Y, Number) =
label(textext(char 92 & "input myenv " &
char 92 & "convertnumber{gnuplot}{" &
decimal Number & "}"),(X,Y))
enddef
\stopMPinclusions
\starttext
\startuseMPgraphic
draw_symbol(0,0,3);
\stopuseMPgraphic
\useMPgraphic
\stoptext
% end
I could not figure out how to use a 'verbatimtex' preamble either,
so this loads the myenv definition file for each label. Ugly, but
the best I can manage with my current knowledge.
Cheers,
Taco
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