On 4/8/2018 11:08 AM, Fabrice Couvreur wrote:

Hello,
Sorry if the example is not minimal but otherwise it would be difficult to explain the problem. The text overflows on the figure and I do not know how to correct this.

By choosing the right language:

\mainlanguage[fr]

or increasing the tolerance:

% \setuptolerance[stretch,verytolerant]

Thank you
Fabrice


\usemodule[pgfplots]

\pgfplotsset{compat=newest}

\starttext
\placefigure[right,none]{}{
\hbox{\framed{\switchtobodyfont[8pt]
\starttikzpicture[/pgf/declare function={g(\x)=3*\x +7;},/pgf/declare function={f(\x)=-4*\x +1;},/pgf/declare function={h(\x)=2*\x -5;}]
\startaxis[
  restrict x to domain=-20:20, xmax=20, xmin=-20,
  restrict y to domain=-25:30, ymax=30, ymin=-25,
  x=0.1cm,
  y=0.1cm,
  axis x line = middle,
  axis y line = middle,
  axis line style =  thick,
  major grid style=gray,
  minor grid style=gray,
  tickwidth=0.1cm,
  xtick align=outside,
  ytick align=outside,
  grid=both,
  xtick={-15,-10,...,15},
  ytick={-20,-15,...,25},
  xticklabels={\empty,\empty,\empty,\empty,5,\empty,\empty,\empty},
  yticklabels={\empty,\empty,\empty,\empty,\empty,5,\empty,\empty,\empty,\empty,\empty,\empty},
  extra x ticks={-20,20},
  extra x tick label={\null},
  extra y ticks={-25,30},
  extra y tick label={\null},
  extra tick style={tick style={draw=none}},
  every tick/.style={
         black,
         thick,
       },
  y tick label style={
            /pgf/number format/1000 sep={}
        },
  xlabel=$x$,ylabel=$y$,
  every axis x label/.style={
     at={(ticklabel* cs:1.01)},
     anchor=west,
},
every axis y label/.style={
     at={(ticklabel* cs:1.01)},
     anchor=south,
},
  samples=2000,
  >=stealth,
]

\addplot [smooth,domain=-20:20,thick,darkblue] {f(x)} ;
\addplot [smooth,domain=-20:20,thick,darkred] {g(x)} ;
\addplot [smooth,domain=-20:20,thick,yellow] {h(x)} ;

\draw[thick,darkgreen](5,-25)--(5,30) ;

\node[below left=2pt] at (-0.1,-0.1,0) {\math{0}} ;

\stopaxis
\stoptikzpicture}}}
   \startitemize[n]
   \item On considère les droites \math{{\cal D}\,\colon x=5} et \math{{\cal D'}\,\colon y=3x+7}.

     \startitemize[a]
     \item Que vaut l'abscisse du point d'intersection de \math{{\cal D}} et \math{{\cal D'}} ?
     \item Calculer alors son ordonnée.
     \item Interpréter graphiquement le résultat sur le graphique.
     \stopitemize
   \item On considère les droites \math{\Delta \,\colon y=-4x+1} et \math{\Delta '\,\colon y=2x-5}.

     \startitemize[a]
     \item Résoudre l'équation \math{-4x+1=2x-5}.
     \item Donner une interprétation graphique de la solution obtenue.
     \item Donner les coordonnées du point d'intersection de \math{\Delta} et \math{\Delta '}.
     \item Interpréter graphiquement le résultat sur le graphique.
     \stopitemize
   \stopitemize
\stoptext

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                                          Hans Hagen | PRAGMA ADE
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       tel: 038 477 53 69 | www.pragma-ade.nl | www.pragma-pod.nl
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___________________________________________________________________________________
If your question is of interest to others as well, please add an entry to the Wiki!

maillist : ntg-context@ntg.nl / http://www.ntg.nl/mailman/listinfo/ntg-context
webpage  : http://www.pragma-ade.nl / http://context.aanhet.net
archive  : https://bitbucket.org/phg/context-mirror/commits/
wiki     : http://contextgarden.net
___________________________________________________________________________________