%%%
% Reperage
%%%
\setKVdefault[ClesReperage]{Unitex=1,Pasx=1,Unitey=1,Pasy=1,Unitez=1,Pasz=1,DemiDroite=false,Droite=false,Plan=false,Trace=false,ListeSegment={},Espace=false,Sphere=false,AnglePhi=30,CouleurLa=white,CouleurLon=Tomato,AffichageUnites=true,MarquePrimaire=true,AffichageNom=false,AffichageGrad=false,AffichageAbs=0,AffichageCoord=false,LectureCoord=false,ValeurUnitex=1,ValeurUnitey=1,ValeurOrigine=0,NomOrigine=O,EchelleEspace=50,CouleurCoord=black,Thermometre=false,Mercure=false,CouleurMercure=black,Celsius,Kelvin=false,Farenheit=false,ValeurMin=-4000,ValeurMax=4000,ValeurMiny=-4000,ValeurMaxy=4000,Etages=4,Code=false,Globe=false,Rho=1500,Phi=22,Theta=10,CouleurE=orange,CouleurG=green,Axes=false,TypeProj="persp",Niveaux=false,Decale=false,Tiret=false,Cadre=false,ModeleCouleur=5,EchelleCroix=1,CouleurCroix=black}
\defKV[ClesReperage]{Traces=\setKV[ClesReperage]{Code}}%
\defKV[ClesReperage]{Niveau=\setKV[ClesReperage]{Etages=#1}\setKV[ClesReperage]{Niveaux}}%
% ValeurOrigine permet de faire des morceaux de demi-droite gradu\'ee en passant par droite :)

\def\Updatetoksdroite#1/#2\nil{\addtotok\toklistepointdroite{#1,"#2",}}%
%\def\Updatetoksdroite#1/#2\nil{\addtotok\toklistepointdroite{#1,"#2",}}
\def\Updatetoksdemidroite#1/#2\nil{\addtotok\toklistenompointdemidroite{"#2",}}%
\def\Updatetoksrepere#1/#2/#3\nil{\addtotok\toklistepointrepere{#1,#2,"#3",}}%
\def\Updatetoksespace#1/#2/#3/#4\nil{\addtotok\toklistepointespace{#1,#2,#3,"#4",}}%

\newtoks\toklistepointrepere%
\newtoks\toklistepointdroite%
\newtoks\toklistepointdemidroite%
\newtoks\toklistenompointdemidroite%
\newtoks\toklistepointespace%

% Pour construire le rep\`ere de l'espace
\def\buildespace{%
  \toklistepointespace{}%
  \toklistepointrepere{}%
  \ifboolKV[ClesReperage]{Globe}{%
    \foreachitem\compteur\in\ListePointEspace{\expandafter\Updatetoksrepere\compteur\nil}%
    \MPGlobe{\the\toklistepointrepere}{\useKV[ClesReperage]{EchelleEspace}}%
  }{%
    \ifboolKV[ClesReperage]{Sphere}{%
      \foreachitem\compteur\in\ListePointEspace{\expandafter\Updatetoksrepere\compteur\nil}%
      \MPEspaceSphere{\the\toklistepointrepere}{\useKV[ClesReperage]{EchelleEspace}}%
    }{%
      \foreachitem\compteur\in\ListePointEspace{\expandafter\Updatetoksespace\compteur\nil}%
      \ifboolKV[ClesReperage]{AffichageNom}{%
        \ifboolKV[ClesReperage]{AffichageCoord}{%
          \MPEspacePave{\useKV[ClesReperage]{Unitex}}{\useKV[ClesReperage]{Pasx}}{\useKV[ClesReperage]{Unitey}}{\useKV[ClesReperage]{Pasy}}{\useKV[ClesReperage]{Unitez}}{\useKV[ClesReperage]{Pasz}}{\the\toklistepointespace}{3}{\useKV[ClesReperage]{EchelleEspace}}%
        }{%
          \MPEspacePave{\useKV[ClesReperage]{Unitex}}{\useKV[ClesReperage]{Pasx}}{\useKV[ClesReperage]{Unitey}}{\useKV[ClesReperage]{Pasy}}{\useKV[ClesReperage]{Unitez}}{\useKV[ClesReperage]{Pasz}}{\the\toklistepointespace}{2}{\useKV[ClesReperage]{EchelleEspace}}%
        }%
      }{%
        \ifboolKV[ClesReperage]{AffichageCoord}{%
          \MPEspacePave{\useKV[ClesReperage]{Unitex}}{\useKV[ClesReperage]{Pasx}}{\useKV[ClesReperage]{Unitey}}{\useKV[ClesReperage]{Pasy}}{\useKV[ClesReperage]{Unitez}}{\useKV[ClesReperage]{Pasz}}{\the\toklistepointespace}{1}{\useKV[ClesReperage]{EchelleEspace}}%
        }{%
          \MPEspacePave{\useKV[ClesReperage]{Unitex}}{\useKV[ClesReperage]{Pasx}}{\useKV[ClesReperage]{Unitey}}{\useKV[ClesReperage]{Pasy}}{\useKV[ClesReperage]{Unitez}}{\useKV[ClesReperage]{Pasz}}{\the\toklistepointespace}{0}{\useKV[ClesReperage]{EchelleEspace}}%
        }%
      }%
    }%
  }%
}%

\def\MPGlobe#1#2{%
  \ifluatex
    \mplibnumbersystem{double}%
  \mplibforcehmode%
  \begin{mplibcode}
    defaultcolormodel := \useKV[ClesReperage]{ModeleCouleur};

    if defaultcolormodel=7:
    cmykcolor black;
    black=(0,0,0,1);
    fi;
    
    input PfCSolid;
    % Pour convertir les (Long,lat) données en degrés en (Long,lat) données en radians
    vardef ConvDeg(expr fa,fl)=
    Famille((fa*pi/180),(fl*pi/180))
    enddef;
    %Initialisation
    PfCRho=\useKV[ClesReperage]{Rho};
    PfCPhi=\useKV[ClesReperage]{Phi};
    PfCTheta=\useKV[ClesReperage]{Theta};
    color CouleurE,CouleurG;
    CouleurE=\useKV[ClesReperage]{CouleurE};
    CouleurG=\useKV[ClesReperage]{CouleurG};
    boolean AffichageNom,Axes;
    AffichageNom=\useKV[ClesReperage]{AffichageNom};
    Axes=\useKV[ClesReperage]{Axes};
    Initialisation(PfCRho,PfCTheta,PfCPhi,#2);
    eclairage:=false;
    nb:=18;%
    subh:=36;%
    %angx:=-23.5;%anglerotationx;
    TR:=(0,0,0);
    Ferme2:=true;
    typerepre:=\useKV[ClesReperage]{TypeProj};
    if typerepre="persp":
    ObjetSphereNew2("R=2");
    ObjetEquateur3("R=2");
    ObjetGreenwich4("R=2");
    elseif typerepre="proj":
    ObjetSpherePfC2("R=20");
    ObjetEquateur3("R=20");
    ObjetGreenwich4("R=20");
    else:
    ObjetSphereCabinet2("R=5");
    ObjetEquateur3("R=5");
    ObjetGreenwich4("R=5");
    fi;
    AffichagePfC2;
%    AffichageObjet2;
    if \useKV[ClesReperage]{Axes}:
    drawoptions(withpen pencircle scaled 1.05 withcolor CouleurE);
    AffichageEquateur3;
    drawoptions(withpen pencircle scaled 1 withcolor CouleurG);
    AffichageGreenwich4;
    drawoptions();
    fi;
    % Label
%    labeloffset:=labeloffset*2;
%    label.urt(btex Nord etex,Projette(Image(ConvDeg(90,0))));%(0,0,2))));
%    label.llft(btex Sud etex,Projette(Image(ConvDeg(-90,0))));%(0,0,-2))));
%    label.lft(btex Ouest etex,Projette(Image(ConvDeg(0,-90))));%(0,-2,0))));
%    label.rt(btex Est etex,Projette(Image(ConvDeg(0,90))));%(0,2,0))));
%    labeloffset:=labeloffset/2;
    dotlabel.llft(btex \tiny\ang{0} etex,Projette(Image(ConvDeg(0,0))));
    dotlabel.llft(btex \tiny\ang{10} etex,Projette(Image(ConvDeg(10,0))));
    dotlabel.llft(btex \tiny\ang{10} etex,Projette(Image(ConvDeg(0,10))));
    color M[],N[];
    vardef toto(text t)=
    n:=1;
    for p_=t:
    if (n mod 3)=1:
    k:=p_;
    fi;
    if (n mod 3)=2:
    l:=p_;
    fi;
    if (n mod 3)=0:
      M[n]=Image(ConvDeg(l,k));
      if l>0:
      if k>0:
      N[n]=Image(ConvDeg(l+3,k+3));
      else:
      N[n]=Image(ConvDeg(l+3,k-3));
      fi;
      else:
      if k>0:
      N[n]=Image(ConvDeg(l-3,k+3));
      else:
      N[n]=Image(ConvDeg(l-3,k-3));
      fi;
      fi;
      label(TEX(p_),Projette(N[n]));
      dotlabel.urt("",Projette(M[n]));
      fi;
      n:=n+1;
      endfor;
      enddef;
      if AffichageNom:
      toto(#1);
      fi;
%      label.top(TEX(decimal(redpart(Oeil))&","&decimal(greenpart(Oeil))&","&decimal(bluepart(Oeil))),Projette(Image(ConvDeg(90,0)))+(0,3cm));%&),(0,1cm));
%      TraceAxes;
%      label.top(btex Oeil etex,Projette(Image(Oeil)));
%     label.top(TEX("Oeil="&decimal(greenpart(Oeil))),(0,2cm));
%      label.top(TEX("Oeil="&decimal(bluepart(Oeil))),(0,3cm));
    \end{mplibcode}
      \mplibnumbersystem{scaled}
    \else
    \begin{mpost}[mpsettings={PfCRho=\useKV[ClesReperage]{Rho};PfCPhi=\useKV[ClesReperage]{Phi};PfCTheta=\useKV[ClesReperage]{Theta};color CouleurE,CouleurG;CouleurE=\useKV[ClesReperage]{CouleurE};CouleurG=\useKV[ClesReperage]{CouleurG};boolean AffichageNom,Axes;AffichageNom=\useKV[ClesReperage]{AffichageNom};Axes=\useKV[ClesReperage]{Axes};}]
      input PfCSolid;
      % 
    % Pour convertir les (Long,lat) données en degrés en (Long,lat) données en radians
    vardef ConvDeg(expr fa,fl)=
    Famille((fa*pi/180),(fl*pi/180))
    enddef;
    %Initialisation
    Initialisation(PfCRho,PfCTheta,PfCPhi,#2);
    nb:=18;%
    subh:=36;%
    %angx:=-23.5;%anglerotationx;
    TR:=(0,0,0);
    Ferme2:=true;
    typerepre:=\useKV[ClesReperage]{TypeProj};
    if typerepre="proj":
    ObjetSphereNew2("R=10");
    ObjetEquateur3("R=10");
    ObjetGreenwich4("R=10");
    else:
    ObjetSphereNew2("R=2");
    ObjetEquateur3("R=2");
    ObjetGreenwich4("R=2");
    fi;
    AffichagePfC2;
    if Axes:
    drawoptions(withpen pencircle scaled 1.05 withcolor CouleurE);
    ObjetEquateur3("R=2");
    AffichageEquateur3;
    drawoptions(withpen pencircle scaled 1 withcolor CouleurG);
    ObjetGreenwich4("R=2");
    AffichageGreenwich4;
    drawoptions();
    fi;
    % Label
%    labeloffset:=labeloffset*2;
%    label.urt(btex Nord etex,Projette(Image(ConvDeg(90,0))));%(0,0,2))));
%    label.llft(btex Sud etex,Projette(Image(ConvDeg(-90,0))));%(0,0,-2))));
%    label.lft(btex Ouest etex,Projette(Image(ConvDeg(0,-90))));%(0,-2,0))));
%    label.rt(btex Est etex,Projette(Image(ConvDeg(0,90))));%(0,2,0))));
%    labeloffset:=labeloffset/2;
    dotlabel.llft(btex \tiny\ang{0} etex,Projette(Image(ConvDeg(0,0))));
    dotlabel.llft(btex \tiny\ang{10} etex,Projette(Image(ConvDeg(10,0))));
    dotlabel.llft(btex \tiny\ang{10} etex,Projette(Image(ConvDeg(0,10))));
    color M[],N[];
    vardef toto(text t)=
    n:=1;
    for p_=t:
    if (n mod 3)=1:
    k:=p_;
    fi;
    if (n mod 3)=2:
    l:=p_;
    fi;
    if (n mod 3)=0:
      M[n]=Image(ConvDeg(l,k));
      if l>0:
      if k>0:
      N[n]=Image(ConvDeg(l+3,k+3));
      else:
      N[n]=Image(ConvDeg(l+3,k-3));
      fi;
      else:
      if k>0:
      N[n]=Image(ConvDeg(l-3,k+3));
      else:
      N[n]=Image(ConvDeg(l-3,k-3));
      fi;
      fi;
      label(TEX(p_),Projette(N[n]));
      dotlabel.urt("",Projette(M[n]));
      fi;
      n:=n+1;
      endfor;
      enddef;
      if AffichageNom:
      toto(#1);
      fi;
    \end{mpost}
    \fi
}%

\def\MPEspaceSphere#1#2{%
  \ifluatex
    \mplibforcehmode
    \begin{mplibcode}
      defaultcolormodel := \useKV[ClesReperage]{ModeleCouleur};
      if defaultcolormodel=7:
      cmykcolor white,blanc;
      white=(0,0,0,1);
      blanc=(0,0,0,0);
      fi;
    typetrace:="3D";
    typerepre:="persp";
    anglephi:=\useKV[ClesReperage]{AnglePhi};
    Initialisation(1500,anglephi,10,#2);
    color O,A,B,C,D,Z,M[];
    O=(0,0,0);
    A=(cosd(anglephi+90),sind(anglephi+90),0);
    B=(cosd(anglephi+180),sind(anglephi+180),0);
    C=(1,0,0);
    D=(0,1,0);
    Z=(0,0,1);
    trace cercles(O,A,O,A,Z) withcolor 0.7white;
    path Equateur;
    Equateur=cercles(O,C,O,C,D);
    trace (subpath((0.25+anglephi/360)*length Equateur,(0.75+anglephi/360)*length Equateur) of Equateur) dashed evenly withcolor 0.7white;
    trace (subpath((0.75+anglephi/360)*length Equateur,(1.25+anglephi/360)*length Equateur) of Equateur) withcolor 0.7white;
    path greenwich;
    greenwich=cercles(O,C,O,C,Z);
    trace subpath(3*length greenwich/4,5*length greenwich/4) of greenwich  withcolor 0.2white;
    clip currentpicture to cercles(O,A,O,A,Z);
    trace chemin(C,O,Z) dashed evenly withcolor 0.85white;
    trace chemin(O,2[Z,O])  dashed evenly withcolor 0.85white;

    vardef toto(text t)=
    n:=1;
    for p_=t:
    if (n mod 3)=1:
    k:=p_;
    fi;
    if (n mod 3)=2:
    l:=p_;
    fi;
    if (n mod 3)=0:
      M[n]=(cosd(k)*cosd(l),sind(k)*cosd(l),sind(l));
      path Codageun,Codagedeux;
      if k>0:
        Codageun=cercles(O,1[O,C],O,1[O,C],D) cutafter chemin(O,(cosd(k),sind(k),0));
      elseif k<0:
        Codageun=cercles(O,1[O,C],O,1[O,C],D) cutbefore chemin(O,(cosd(k),sind(k),0));
      fi;
      if l>0:
        Codagedeux=cercles(O,(cosd(k),sind(k),0),O,(cosd(k),sind(k),0),Z) cutafter chemin(O,M[n]);
      elseif l<0:
        Codagedeux=cercles(O,(cosd(k),sind(k),0),O,(cosd(k),sind(k),0),Z) cutbefore chemin(O,M[n]);
      fi;
    %%%% if l>0:
    %%%fill Projette(O)--Projette((cosd(k),sind(k),0))--Codagedeux--cycle withcolor \useKV[ClesReperage]{CouleurLa};
    %%%fill Projette(O)--Projette(C)--Codageun--cycle withcolor \useKV[ClesReperage]{CouleurLon};
    %%%else:
    %%%fill Projette(O)--Codagedeux--Projette((cosd(k),sind(k),0))--cycle withcolor \useKV[ClesReperage]{CouleurLa};
    %%%fill Projette(O)--Codageun--Projette(C)--cycle withcolor \useKV[ClesReperage]{CouleurLon};
    %%%fi;
      if unknown Codageun: else: trace Codageun; fi;
      if unknown Codagedeux: else: trace Codagedeux; fi;
      if \useKV[ClesReperage]{AffichageCoord}:
        picture CodageUn,CodageDeux;
        CodageUn=image(
          if k>0:
            label.bot(TEX("\scriptsize\ang{"&decimal(k)&"} E"),(0,0));
          else:
            label.bot(TEX("\scriptsize\ang{"&decimal(abs(k))&"} O"),(0,0));
          fi;
        );
        CodageDeux=image(
        if l>0:
          label.rt(TEX("\scriptsize\ang{"&decimal(l)&"} N"),(0,0));
        else:
          label.lft(TEX("\scriptsize\ang{"&decimal(abs(l))&"} S"),(0,0));
        fi;
        );
        fill (polygone(llcorner CodageUn,lrcorner CodageUn,urcorner CodageUn,ulcorner CodageUn) shifted(point(0.5*length Codageun) of Codageun)) withcolor blanc;
        trace CodageUn shifted (point(0.5*length Codageun) of Codageun);
        fill (polygone(llcorner CodageDeux,lrcorner CodageDeux,urcorner CodageDeux,ulcorner CodageDeux) shifted(point(0.5*length Codagedeux) of Codagedeux)) withcolor blanc;
        trace CodageDeux shifted (point(0.5*length Codagedeux) of Codagedeux);
      fi;
    trace chemin(O,(cosd(k),sind(k),0)) dashed withdots scaled 0.5;
    trace chemin(O,M[n]) dashed withdots scaled 0.5;
    trace chemin(O,C) dashed withdots scaled 0.5;
    if \useKV[ClesReperage]{AffichageNom}:
    if l>0:dotlabel.top(p_,Projette(M[n]));
    else:
    dotlabel.bot(p_,Projette(M[n]));
    fi;
    fi;
    fi;
    n:=n+1;
    endfor;
    enddef;
    toto(#1);
    label.llft(btex \tiny \ang{0} etex,Projette(C));
  \end{mplibcode}
  \else
  \begin{mpost}[mpsettings={boolean AffichageCoord; AffichageCoord=\useKV[ClesReperage]{AffichageCoord}; boolean AffichageNom; AffichageNom=\useKV[ClesReperage]{AffichageNom};anglephi:=\useKV[ClesReperage]{AnglePhi};}]
    typetrace:="3D";
    typerepre:="persp";
    Initialisation(1500,anglephi,10,#2);
    color O,A,B,C,D,Z,M[];
    O=(0,0,0);
    A=(cosd(anglephi+90),sind(anglephi+90),0);
    B=(cosd(anglephi+180),sind(anglephi+180),0);
    C=(1,0,0);
    D=(0,1,0);
    Z=(0,0,1);
    trace cercles(O,A,O,A,Z) withcolor 0.7white;
    path Equateur;
    Equateur=cercles(O,C,O,C,D);
    trace (subpath((0.25+anglephi/360)*length Equateur,(0.75+anglephi/360)*length Equateur) of Equateur) dashed evenly withcolor 0.7white;
    trace (subpath((0.75+anglephi/360)*length Equateur,(1.25+anglephi/360)*length Equateur) of Equateur) withcolor 0.7white;
    path greenwich;
    greenwich=cercles(O,C,O,C,Z);
    trace subpath(3*length greenwich/4,5*length greenwich/4) of greenwich  withcolor 0.7white;
    clip currentpicture to cercles(O,A,O,A,Z);
    trace chemin(C,O,Z) dashed evenly withcolor 0.85white;
    trace chemin(O,2[Z,O])  dashed evenly withcolor 0.85white;

    vardef toto(text t)=
    n:=1;
    for p_=t:
     if (n mod 3)=1:
     k:=p_;
    fi;
    if (n mod 3)=2:
    l:=p_;
    fi;
    if (n mod 3)=0:
    M[n]=(cosd(k)*cosd(l),sind(k)*cosd(l),sind(l));
    path Codageun,Codagedeux;
    if k>0:
    Codageun=cercles(O,1[O,C],O,1[O,C],D) cutafter chemin(O,(cosd(k),sind(k),0));
    elseif k<0:
    Codageun=cercles(O,1[O,C],O,1[O,C],D) cutbefore chemin(O,(cosd(k),sind(k),0));
    fi;
    if l>0:
    Codagedeux=cercles(O,(cosd(k),sind(k),0),O,(cosd(k),sind(k),0),Z) cutafter chemin(O,M[n]);
    elseif k<0:
    Codagedeux=cercles(O,(cosd(k),sind(k),0),O,(cosd(k),sind(k),0),Z) cutbefore chemin(O,M[n]);
    fi;
    %if l>0:
    %fill Projette(O)--Projette((cosd(k),sind(k),0))--Codagedeux--cycle withcolor \useKV[ClesReperage]{CouleurLa};
    %fill Projette(O)--Projette(C)--Codageun--cycle withcolor \useKV[ClesReperage]{CouleurLon};
    %else:
    %fill Projette(O)--Codagedeux--Projette((cosd(k),sind(k),0))--cycle withcolor \useKV[ClesReperage]{CouleurLa};
    %fill Projette(O)--Codageun--Projette(C)--cycle withcolor \useKV[ClesReperage]{CouleurLon};
    %fi;
    if unknown Codageun: else: trace Codageun; fi;
    if unknown Codagedeux: else: trace Codagedeux; fi;
    if AffichageCoord:
    picture CodageUn,CodageDeux;
    CodageUn=image(
    if k>0:
    label.bot(LATEX("\noexpand\scriptsize\noexpand\ang{"&decimal(k)&"} E"),(0,0));
    else:
    label.bot(LATEX("\noexpand\scriptsize\noexpand\ang{"&decimal(abs(k))&"} O"),(0,0));
    fi;
    );
    CodageDeux=image(
    if l>0:
    label.rt(LATEX("\noexpand\scriptsize\noexpand\ang{"&decimal(l)&"} N"),(0,0));
    else:
    label.lft(LATEX("\noexpand\scriptsize\noexpand\ang{"&decimal(abs(l))&"} S"),(0,0));
    fi;
    );
    fill (polygone(llcorner CodageUn,lrcorner CodageUn,urcorner CodageUn,ulcorner CodageUn) shifted(point(0.5*length Codageun) of Codageun)) withcolor blanc;
    trace CodageUn shifted (point(0.5*length Codageun) of Codageun);
    fill (polygone(llcorner CodageDeux,lrcorner CodageDeux,urcorner CodageDeux,ulcorner CodageDeux) shifted(point(0.5*length Codagedeux) of Codagedeux)) withcolor blanc;
    trace CodageDeux shifted (point(0.5*length Codagedeux) of Codagedeux);
    fi;
    trace chemin(O,(cosd(k),sind(k),0)) dashed withdots scaled 0.5;
    trace chemin(O,M[n]) dashed withdots scaled 0.5;
    trace chemin(O,C) dashed withdots scaled 0.5;
    if AffichageNom:
    if l>0:dotlabel.top(p_,Projette(M[n]));
    else:
    dotlabel.bot(p_,Projette(M[n]));
    fi;
    fi;
    fi;
    n:=n+1;
    endfor;
    enddef;
    toto(#1);
    label.llft(LATEX("\noexpand\tiny\noexpand\ang{0}"),Projette(C));
  \end{mpost}
  \fi
}

\def\MPEspacePave#1#2#3#4#5#6#7#8#9{%
  \ifluatex%
    \mplibforcehmode%
    \begin{mplibcode}
      defaultcolormodel := \useKV[ClesReperage]{ModeleCouleur};
      if defaultcolormodel=7:
      cmykcolor CoulTrace,gris;
      CoulTrace=(0,0,0,1);
      gris=0.1(0,0,0,1);
      fi;
      typetrace:="3D";
      typerepre:="persp";
      Figure(-20u,-20u,20u,20u);
      Initialisation(1500,30,20,abs(#9));
      % marque_r:=marque_r/2;
      marque_p:="plein";
      color A,B,C,D,E,F,G,H,M[],N[];
      draw Pave(A,B,C,D,E,F,G,H)(#1,#3,#5);
      if #9>0:
      drawarrow Projette(A)--Projette(1.5[D,A]);
      drawarrow Projette(C)--Projette(1.5[D,C]);
      drawarrow Projette(E)--Projette(1.5[D,E]);
      label.top(btex $x$ etex,Projette(1.5[D,A]));
      label.top(btex $y$ etex,Projette(1.5[D,C]));
      label.top(btex $z$ etex,Projette(1.5[D,E]));
      label.ulft(btex 1 etex,Projette((1/#2)[D,A]));
      label.bot(btex 1 etex,Projette((1/#4)[D,C]));
      label.lft(btex 1 etex,Projette((1/#6)[D,E]));
      for k=1 upto (#2):
      pointe((k/#2)[D,A]);
      endfor;
      for k=1 upto (#4):
      pointe((k/#4)[D,C]);
      endfor;
      for k=1 upto (#6):
      pointe((k/#6)[D,E]);
      endfor;
      else:
      drawarrow Projette(D)--Projette(1.5[A,D]) dashed evenly;
      drawarrow Projette(B)--Projette(1.5[A,B]);
      drawarrow Projette(F)--Projette(1.5[A,F]);
      label.lrt(btex $x$ etex,Projette(1.5[A,D]));
      label.top(btex $y$ etex,Projette(1.5[A,B]));
      label.top(btex $z$ etex,Projette(1.5[A,F]));
      label.ulft(btex 1 etex,Projette((1/#2)[A,D]));
      label.bot(btex 1 etex,Projette((1/#4)[A,B]));
      label.lft(btex 1 etex,Projette((1/#6)[A,F]));
      for k=1 upto (#2):
      pointe((k/#2)[A,D]);
      endfor;
      for k=1 upto (#4):
      pointe((k/#4)[A,B]);
      endfor;
      for k=1 upto (#6):
      pointe((k/#6)[A,F]);
      endfor;
      fi;
      vardef tata(text t)=
      n:=1;%pour compter combien de points
      k:=0;%pour garder l'abscisse
      l:=0;%pour garder l'ordonn\'ee
      m:=0;%pour garder l'altitude
      if #8>0:
      for p_=t:
      if (n mod 4)=1:
      k:=p_;
      fi;
      if (n mod 4)=2:
      l:=p_;
      fi;
      if (n mod 4)=3:
      m:=p_;
      fi;
      if (n mod 4)=0:
      M[n]=(k/#2)[D,A]+(l/#4)*(C-D)+(m/#6)*(E-D);
      N[n]=(k/#2)[D,A]+(l/#4)*(C-D);
      if (#8>1):
      label.top(TEX(p_),Projette(M[n]));
      pointe(M[n]);
      fi;
      if (#8=1) or (#8=3) :
      drawoptions(dashed evenly withcolor gris);
      draw segment(M[n],(0,0,bluepart(M[n])));
      draw segment(M[n],N[n]);
      draw segment(N[n],(redpart(M[n]),0,0));
      draw segment(N[n],(0,greenpart(M[n]),0));
      drawoptions();
      fi;
      fi;
      n:=n+1;
      endfor;
      fi;
      enddef;
      vardef toto(text t)=
      n:=1;%pour compter combien de points
      k:=0;%pour garder l'abscisse
      l:=0;%pour garder l'ordonn\'ee
      m:=0;%pour garder l'altitude
      if #8>0:
      for p_=t:
      if (n mod 4)=1:
      k:=p_;
      fi;
      if (n mod 4)=2:
      l:=p_;
      fi;
      if (n mod 4)=3:
      m:=p_;
      fi;
      if (n mod 4)=0:
      % message("je suis ici : "&p_);
      M[n]=(k/#2)[A,D]+(l/#4)*(B-A)+(m/#6)*(F-A);
      N[n]=(k/#2)[A,D]+(l/#4)*(B-A);
      if (#8>1):
      label.top(TEX(p_),Projette(M[n]));
      pointe(M[n]);
      fi;
      if (#8=1) or (#8=3) :
      drawoptions(dashed evenly withcolor gris);
      draw segment(M[n],A+(0,0,bluepart(M[n])));
      draw segment(M[n],N[n]);
      draw segment(N[n],A+(l/#4)*(B-A));
      draw segment(N[n],A+(k/#2)*(D-A));
      drawoptions();
      fi;
      fi;
      n:=n+1;
      endfor;
      fi;
      enddef;
      if #9>0:
      tata(#7);
      else:
      toto(#7);
      fi;
      draw Pave(A,B,C,D,E,F,G,H)(#1,#3,#5);
      if \useKV[ClesReperage]{Code}:
      \useKV[ClesReperage]{Traces}
      fi;
  \end{mplibcode}
  \else
  \begin{mpost}[mpsettings={input PfCGeometrie;}]
    typetrace:="3D";
    typerepre:="persp";
    Figure(-20u,-20u,20u,20u);
    Initialisation(1500,30,20,abs(#9));
    %marque_r:=marque_r/2;
    marque_p:="plein";
    color A,B,C,D,E,F,G,H,M[],N[];
    draw Pave(A,B,C,D,E,F,G,H)(#1,#3,#5);
    if #9>0:
    drawarrow Projette(A)--Projette(1.5[D,A]);
    drawarrow Projette(C)--Projette(1.5[D,C]);
    drawarrow Projette(E)--Projette(1.5[D,E]);
    label.ulft(btex 1 etex,Projette((1/#2)[D,A]));
    label.bot(btex 1 etex,Projette((1/#4)[D,C]));
    label.lft(btex 1 etex,Projette((1/#6)[D,E]));
    for k=1 upto (#2):
    pointe((k/#2)[D,A]);
    endfor;
    for k=1 upto (#4):
    pointe((k/#4)[D,C]);
    endfor;
    for k=1 upto (#6):
    pointe((k/#6)[D,E]);
    endfor;
    else:
    drawarrow Projette(D)--Projette(1.5[A,D]) dashed evenly;
    drawarrow Projette(B)--Projette(1.5[A,B]);
    drawarrow Projette(F)--Projette(1.5[A,F]);
    label.ulft(btex 1 etex,Projette((1/#2)[A,D]));
    label.bot(btex 1 etex,Projette((1/#4)[A,B]));
    label.lft(btex 1 etex,Projette((1/#6)[A,F]));
    for k=1 upto (#2):
    pointe((k/#2)[A,D]);
    endfor;
    for k=1 upto (#4):
    pointe((k/#4)[A,B]);
    endfor;
    for k=1 upto (#6):
    pointe((k/#6)[A,F]);
    endfor;
    fi;
    vardef tata(text t)=
    n:=1;%pour compter combien de points
    k:=0;%pour garder l'abscisse
    l:=0;%pour garder l'ordonn\'ee
    m:=0;%pour garder l'altitude
    if #8>0:
    for p_=t:
    if (n mod 4)=1:
    k:=p_;
    fi;
    if (n mod 4)=2:
    l:=p_;
    fi;
    if (n mod 4)=3:
    m:=p_;
    fi;
    if (n mod 4)=0:
    M[n]=(k/#2)[D,A]+(l/#4)*(C-D)+(m/#6)*(E-D);
    N[n]=(k/#2)[D,A]+(l/#4)*(C-D);
    if (#8>1):
    label.top(LATEX(p_),Projette(M[n]));
    pointe(M[n]);
    fi;
    if (#8=1) or (#8=3) :
    drawoptions(dashed evenly withcolor gris);
    draw segment(M[n],(0,0,bluepart(M[n])));
    draw segment(M[n],N[n]);
    draw segment(N[n],(redpart(M[n]),0,0));
    draw segment(N[n],(0,greenpart(M[n]),0));
    drawoptions();
    fi;
    fi;
    n:=n+1;
    endfor;
    fi;
    enddef;
    vardef toto(text t)=
    n:=1;%pour compter combien de points
    k:=0;%pour garder l'abscisse
    l:=0;%pour garder l'ordonn\'ee
    m:=0;%pour garder l'altitude
    if #8>0:
    for p_=t:
    if (n mod 4)=1:
    k:=p_;
    fi;
    if (n mod 4)=2:
    l:=p_;
    fi;
    if (n mod 4)=3:
    m:=p_;
    fi;
    if (n mod 4)=0:
    % message("je suis ici : "&p_);
    M[n]=(k/#2)[A,D]+(l/#4)*(B-A)+(m/#6)*(F-A);
    N[n]=(k/#2)[A,D]+(l/#4)*(B-A);
    if (#8>1):
    label.top(LATEX(p_),Projette(M[n]));
    pointe(M[n]);
    fi;
    if (#8=1) or (#8=3) :
    drawoptions(dashed evenly withcolor gris);
    draw segment(M[n],A+(0,0,bluepart(M[n])));
    draw segment(M[n],N[n]);
    draw segment(N[n],A+(l/#4)*(B-A));
    draw segment(N[n],A+(k/#2)*(D-A));
    drawoptions();
    fi;
    fi;
    n:=n+1;
    endfor;
    fi;
    enddef;
    if #9>0:
    tata(#7);
    else:
    toto(#7);
    fi;
    draw Pave(A,B,C,D,E,F,G,H)(#1,#3,#5);
  \end{mpost}
  \fi
}%

% Pour construire le rep\`ere du plan
\def\buildreperenew{%
  \xdef\RetiensListePoints{}%
  \xdef\RetiensListePointsA{}%
  \xdef\RetiensListePointsCourte{}%
  \foreachitem\compteur\in\ListePointRepere{%
    \xdef\RetiensListePoints{\RetiensListePoints\ListePointRepere[\compteurcnt,1],}%
    \xdef\RetiensListePoints{\RetiensListePoints\ListePointRepere[\compteurcnt,2],}%
    \xdef\RetiensListePointsA{\RetiensListePointsA\ListePointRepere[\compteurcnt,1],}%
    \xdef\RetiensListePointsA{\RetiensListePointsA\ListePointRepere[\compteurcnt,2],}%
    \IfStrEq{\ListePointRepere[\compteurcnt,3]}{ }{%
      \xdef\RetiensListePoints{\RetiensListePoints PfC,}%
      \xdef\RetiensListePointsA{\RetiensListePointsA"",}%
    }{%
      \xdef\RetiensListePoints{\RetiensListePoints\ListePointRepere[\compteurcnt,3],}%
      \xdef\RetiensListePointsA{\RetiensListePointsA"\ListePointRepere[\compteurcnt,3]",}%
      \ifx\bla\RetiensListePointsCourte\bla%
        \xdef\RetiensListePointsCourte{\ListePointRepere[\compteurcnt,3]}%
      \else
        \xdef\RetiensListePointsCourte{\RetiensListePointsCourte,\ListePointRepere[\compteurcnt,3]}%
      \fi
    }%
  }%
  \xdef\AfficheNom{0}\ifboolKV[ClesReperage]{AffichageNom}{\ifboolKV[ClesReperage]{LectureCoord}{\xdef\AfficheNom{3}}{\xdef\AfficheNom{2}}}{\ifboolKV[ClesReperage]{LectureCoord}{\xdef\AfficheNom{1}}{}}%
 \xdef\AfficheGrad{0}\ifboolKV[ClesReperage]{AffichageGrad}{\xdef\AfficheGrad{1}}{}%
 \xdef\AfficheCoord{\useKV[ClesReperage]{AffichageAbs}}%
 \MPPlannew{\RetiensListePoints}{\AfficheNom}{\AfficheCoord}{\RetiensListePointsCourte}{\RetiensListePointsA}%
}%

\def\MPPlannew#1#2#3#4#5{%
  % #1 : liste de points
  % #2 : Affichage nom + lecture graphique
  % #3 : Affichage des (abscisses/ordonn\'ees)
  % #4 : la liste courte des noms des points.
  % #5 : liste des points pour les string
  \ifluatex
    \mplibforcehmode
    \begin{mplibcode}
      defaultcolormodel := \useKV[ClesReperage]{ModeleCouleur};
      boolean Tiret,Code,AffichageGrad,Cadre;
      Tiret=\useKV[ClesReperage]{Tiret};
      Code=\useKV[ClesReperage]{Code};
      AffichageGrad=\useKV[ClesReperage]{AffichageGrad};
      Cadre=\useKV[ClesReperage]{Cadre};
      %
      Unitex=\useKV[ClesReperage]{Unitex};
      Pasx=\useKV[ClesReperage]{Pasx};
      Unitey=\useKV[ClesReperage]{Unitey};
      Pasy=\useKV[ClesReperage]{Pasy};
      ValeurUnitex=\useKV[ClesReperage]{ValeurUnitex};
      ValeurUnitey=\useKV[ClesReperage]{ValeurUnitey};
      %
      vardef AvantDefinirSommets(text tu)=
      pair tu;
      enddef;
      %
      vardef DefinirLesSommets(text t)=
      nbretiens=1;
      k:=0;
      l:=0;
      for g_=t:
      if (nbretiens mod 3)=1:
      if numeric g_:
      k:=g_;
      fi;
      fi;
      if (nbretiens mod 3)=2:
      if numeric g_:
      l:=g_;
      fi;
      fi;
      if (nbretiens mod 3)=0:
      if pair g_:
      g_=(k*unitpx,l*unitpy);
      fi;
      fi;
      nbretiens:=nbretiens+1;
      endfor;
      enddef;
      %
    maxx:=-4000;
    minx=4000;
    unitex:=(Unitex)*cm;
    pasx=Pasx;
    unitpx:=unitex/pasx;
    maxy:=-4000;
    miny:=4000;
    unitey:=(Unitey)*cm;
    pasy:=Pasy;
    unitpy:=unitey/pasy;
    %
    n:=1;
    vardef toto(text t)=
    for p_=t:
    if (n mod 3)=1:
    if p_>maxx:
        maxx:=p_;
      fi;
      if p_<minx:
        minx:=p_;
      fi;
    fi;
    if (n mod 3)=2:
      if p_>maxy:
        maxy:=p_;
      fi;
      if p_<miny:
        miny:=p_;
      fi;
      fi;
      n:=n+1;
    endfor;
    maxx:=maxx+1;
    minx:=minx-1;
    if maxx<(Pasx+1):
    maxx:=Pasx+1;
    fi;
    if minx>(-Pasx-1):
    minx:=-Pasx-1;
    fi;
    maxy:=maxy+1;
    miny:=miny-1;
    if maxy<(Pasy+1):
    maxy:=Pasy+1;
    fi;
    if miny>(-Pasy-1):
    miny:=-Pasy-1;
    fi;
    if minx<\useKV[ClesReperage]{ValeurMin}:
    minx:=\useKV[ClesReperage]{ValeurMin};
    fi;
    if maxx>\useKV[ClesReperage]{ValeurMax}:
    maxx:=\useKV[ClesReperage]{ValeurMax};
    fi;
    if miny<\useKV[ClesReperage]{ValeurMiny}:
    miny:=\useKV[ClesReperage]{ValeurMiny};
    fi;
    if maxy>\useKV[ClesReperage]{ValeurMaxy}:
    maxy:=\useKV[ClesReperage]{ValeurMaxy};
    fi;
    enddef;
    toto(#1);
    Figure((minx-1)*unitpx,(miny-1)*unitpy,(maxx+1)*unitpx,(maxy+1)*unitpy);
    %Figure(minx*unitpx,miny*unitpy,maxx*unitpx,maxy*unitpy);
    pair A,B,C,D,E;
    A=(0,0);
    B=(minx*unitpx,0);
    C=(maxx*unitpx,0);
    D=(0,miny*unitpy);
    E=(0,maxy*unitpy);
    for k=0 upto (maxx-minx):
    draw ((xpart(B),ypart(D)-0.75*unitpy)--(xpart(B),ypart(E)+0.75*unitpy)) shifted (k*unitpx,0) withcolor gris;
    endfor;
    for k=0 upto (maxy-miny):
    draw ((xpart(B)-0.75*unitpx,ypart(D))--(xpart(C)+0.75*unitpx,ypart(D))) shifted (0,k*unitpy) withcolor gris;
    endfor;
    drawarrow (B+(-0.75*unitpx,0))--(C+(0.75*unitpx,0));
    drawarrow (D+(0,-0.75*unitpy))--(E+(0,0.75*unitpy));
    % graduation compl\`ete ou pas ?
    label.llft(TEX("\footnotesize 0"),A);
    if AffichageGrad:
    for k=minx upto maxx:
    if (xpart((k*unitex,0))>xpart(B+(-0.75*unitpx,0))) and (xpart((k*unitex,0))<xpart(C+(0.75*unitpx,0))):
    if k<>0:
    if Tiret:
    draw (k*unitex,-1mm)--(k*unitex,1mm);
    label.lrt(TEX("\footnotesize\num{"&decimal(k)&"}"),(k*unitex,0));
    else:
    dotlabel.lrt(TEX("\footnotesize\num{"&decimal(k)&"}"),(k*unitex,0));
    fi;
    fi;
    fi;
    endfor;
    for k=miny upto maxy:
    if (ypart((0,k*unitey))>ypart(D+(0,-0.75*unitpy))) and (ypart((0,k*unitey))<ypart(E+(0,0.75*unitpy))):
    if k<>0:
    if Tiret:
    draw (-1mm,k*unitey)--(1mm,k*unitey);
    label.ulft(TEX("\footnotesize\num{"&decimal(k)&"}"),(0,k*unitey));
    else:
    dotlabel.ulft(TEX("\footnotesize\num{"&decimal(k)&"}"),(0,k*unitey));
    fi;
    fi;
    fi;
    endfor;
    else:
    dotlabel.lrt(TEX("\footnotesize\num{"&decimal(ValeurUnitex)&"}"),(unitex,0));
    dotlabel.ulft(TEX("\footnotesize\num{"&decimal(ValeurUnitey)&"}"),(0,unitey));
    fi;
    % apparition du nom des points ou pas
    m_c:=m_c*3;
    marque_p:="croix";
    vardef tata(text t)=%on place les points
    % {
    if #2>0:
    n:=1;
    k:=0;%pour retenir la coordonn\'ee en x
    l:=0;%pour retenir la coordonn\'ee en y
    for p_=t:
        if (n mod 3)=1:
    if numeric p_:
    k:=p_;
    fi;
    fi;
    if (n mod 3)=2:
    if numeric p_:
    l:=p_;
    fi;
    fi;
    if (n mod 3)=0:
    if #2>1:
    if p_<>"":
    if (k>0) and (l>0):
    label.urt(TEX(p_),(k*unitpx,l*unitpy));
    fi;
    if (k=0) and (l>0):
    label.urt(TEX(p_),(k*unitpx,l*unitpy));
    fi;
    if (k>0) and (l=0):
    label.urt(TEX(p_),(k*unitpx,l*unitpy));
    fi;
    if (k<0) and (l>0):
    label.ulft(TEX(p_),(k*unitpx,l*unitpy));
    fi;
    if (k=0) and (l<0):
    label.llft(TEX(p_),(k*unitpx,l*unitpy));
    fi;
    if (k<0) and (l<0):
    label.llft(TEX(p_),(k*unitpx,l*unitpy));
    fi;
    if (k<0) and (l=0):
    label.llft(TEX(p_),(k*unitpx,l*unitpy));
    fi;
    if (k>0) and (l<0):
    label.lrt(TEX(p_),(k*unitpx,l*unitpy));
    fi;
    pointe((k*unitpx,l*unitpy));
    fi;
    fi;
    if (#2=1) or (#2=3):
    draw (0,l*unitpy)--(k*unitpx,l*unitpy)--(k*unitpx,0) dashed evenly;
    fi;
    fi;
    n:=n+1;
    endfor;
    fi;
    % }
    n:=1;
    k:=0;%pour retenir la coordonn\'ee en x
    l:=0;%pour retenir la coordonn\'ee en y
    for p_=t:
      if (n mod 3)=1:
        if numeric p_:
        k:=p_;
        fi;
      fi;
      if (n mod 3)=2:
        if numeric p_:
        l:=p_;
        fi;
      fi;
      if (n mod 3)=0:
        if #3=2:
          if p_<>"":
            if (k mod pasx)<>0:
            label.lrt(TEX("\footnotesize$\frac{\num{"&decimal(k)&"}}{\num{"&decimal(pasx)&"}}$"),(k*unitpx,0));
            else:
            label.lrt(TEX("\footnotesize\num{\fpeval{"&decimal(k)&"/"&decimal(pasx)&"}}"),(k*unitpx,0));
            fi;
            if (l mod pasy)<>0:
            label.ulft(TEX("\footnotesize$\frac{\num{"&decimal(l)&"}}{\num{"&decimal(pasy)&"}}$"),(0,l*unitpy));
            else:
            label.ulft(TEX("\footnotesize\num{\fpeval{"&decimal(l)&"/"&decimal(pasy)&"}}"),(0,l*unitpy));
            fi;
            pointe((k*unitpx,0),(0,l*unitpy));
          fi;
        elseif #3=1:
          if p_<>"":
          label.lrt(TEX("\footnotesize\num{\fpeval{"&decimal(k)&"/"&decimal(pasx)&"}}"),(k*unitpx,0));
          label.ulft(TEX("\footnotesize\num{\fpeval{"&decimal(l)&"/"&decimal(pasy)&"}}"),(0,l*unitpy));
          pointe((k*unitpx,0),(0,l*unitpy));
          fi;
          fi;
    fi;
    n:=n+1;
    endfor;
    enddef;
    tata(#5);
    AvantDefinirSommets(#4);
    DefinirLesSommets(#1);
    if Code:
    \useKV[ClesReperage]{Traces};
    fi;
    if Cadre:
    trace polygone(%
    ((minx-1)*unitpx,(miny-1)*unitpy),
    ((maxx+1)*unitpx,(miny-1)*unitpy),
    ((maxx+1)*unitpx,(maxy+1)*unitpy),
    ((minx-1)*unitpx,(maxy+1)*unitpy)
    );
    fi;
  \end{mplibcode}
  \else
  \begin{mpost}[mpsettings={
      vardef EffectuerTraces=
      \useKV[ClesFonction]{Traces};
      enddef;
      boolean Tiret,Code,AffichageGrad;
      Tiret=\useKV[ClesReperage]{Tiret};
      Code=\useKV[ClesReperage]{Code};
      AffichageGrad=\useKV[ClesReperage]{AffichageGrad};
      %
      Unitex=\useKV[ClesReperage]{Unitex};
      Pasx=\useKV[ClesReperage]{Pasx};
      Unitey=\useKV[ClesReperage]{Unitey};
      Pasy=\useKV[ClesReperage]{Pasy};
      ValeurUnitex=\useKV[ClesReperage]{ValeurUnitex};
      ValeurUnitey=\useKV[ClesReperage]{ValeurUnitey};
      };]
      %
      vardef AvantDefinirSommets(text tu)=
      pair tu;
      enddef;
      %
      vardef DefinirLesSommets(text t)=
      nbretiens=1;
      k:=0;
      l:=0;
      for g_=t:
      if (nbretiens mod 3)=1:
      if numeric g_:
      k:=g_;
      fi;
      fi;
      if (nbretiens mod 3)=2:
      if numeric g_:
      l:=g_;
      fi;
      fi;
      if (nbretiens mod 3)=0:
      g_=(k*unitpx,l*unitpy);
      fi;
      nbretiens:=nbretiens+1;
      endfor;
      enddef;
      %
    maxx:=-4000;
    minx=4000;
    unitex:=(Unitex)*cm;
    pasx=Pasx;
    unitpx:=unitex/pasx;
    maxy:=-4000;
    miny:=4000;
    unitey:=(Unitey)*cm;
    pasy:=Pasy;
    unitpy:=unitey/pasy;
    %
    n:=1;
    vardef toto(text t)=
    for p_=t:
    if (n mod 3)=1:
    if p_>maxx:
        maxx:=p_;
      fi;
      if p_<minx:
        minx:=p_;
      fi;
    fi;
    if (n mod 3)=2:
      if p_>maxy:
        maxy:=p_;
      fi;
      if p_<miny:
        miny:=p_;
      fi;
      fi;
      n:=n+1;
    endfor;
    maxx:=maxx+1;
    minx:=minx-1;
    if maxx<(Pasx+1):
    maxx:=Pasx+1;
    fi;
    if minx>(-Pasx-1):
    minx:=-Pasx-1;
    fi;
    maxy:=maxy+1;
    miny:=miny-1;
    if maxy<(Pasy+1):
    maxy:=Pasy+1;
    fi;
    if miny>(-Pasy-1):
    miny:=-Pasy-1;
    fi;
    enddef;
    toto(#1);
    Figure((minx-1)*unitpx,(miny-1)*unitpy,(maxx+1)*unitpx,(maxy+1)*unitpy);
    pair A,B,C,D,E;
    A=(0,0);
    B=(minx*unitpx,0);
    C=(maxx*unitpx,0);
    D=(0,miny*unitpy);
    E=(0,maxy*unitpy);
    for k=0 upto (maxx-minx):
    draw ((xpart(B),ypart(D)-0.75*unitpy)--(xpart(B),ypart(E)+0.75*unitpy)) shifted (k*unitpx,0) withcolor gris;
    endfor;
    for k=0 upto (maxy-miny):
    draw ((xpart(B)-0.75*unitpx,ypart(D))--(xpart(C)+0.75*unitpx,ypart(D))) shifted (0,k*unitpy) withcolor gris;
    endfor;
    drawarrow (B+(-0.75*unitpx,0))--(C+(0.75*unitpx,0));
    drawarrow (D+(0,-0.75*unitpy))--(E+(0,0.75*unitpy));
    % graduation compl\`ete ou pas ?
    label.llft(LATEX("\noexpand\footnotesize 0"),A);
    if AffichageGrad:
    for k=minx upto maxx:
    if (xpart((k*unitex,0))>xpart(B+(-0.75*unitpx,0))) and (xpart((k*unitex,0))<xpart(C+(0.75*unitpx,0))):
    if k<>0:
    if Tiret:
    draw (k*unitex,-1mm)--(k*unitex,1mm);
    label.lrt(LATEX("\noexpand\footnotesize\noexpand\num{"&decimal(k)&"}"),(k*unitex,0));
    else:
    dotlabel.lrt(LATEX("\noexpand\footnotesize\noexpand\num{"&decimal(k)&"}"),(k*unitex,0));
    fi;
    fi;
    fi;
    endfor;
    for k=miny upto maxy:
    if (ypart((0,k*unitey))>ypart(D+(0,-0.75*unitpy))) and (ypart((0,k*unitey))<ypart(E+(0,0.75*unitpy))):
    if k<>0:
    if Tiret:
    draw (-1mm,k*unitey)--(1mm,k*unitey);
    label.ulft(LATEX("\noexpand\footnotesize\noexpand\num{"&decimal(k)&"}"),(0,k*unitey));
    else:
    dotlabel.ulft(LATEX("\noexpand\footnotesize\noexpand\num{"&decimal(k)&"}"),(0,k*unitey));
    fi;
    fi;
    fi;
    endfor;
    else:
    dotlabel.lrt(LATEX("\noexpand\footnotesize\noexpand\num{"&decimal(ValeurUnitex)&"}"),(unitex,0));
    dotlabel.ulft(LATEX("\noexpand\footnotesize\noexpand\num{"&decimal(ValeurUnitey)&"}"),(0,unitey));
    fi;
    % apparition du nom des points ou pas
    m_c:=m_c*3;
    marque_p:="croix";
    vardef tata(text t)=%on place les points
    % {
    if #2>0:
    n:=1;
    k:=0;%pour retenir la coordonn\'ee en x
    l:=0;%pour retenir la coordonn\'ee en y
    for p_=t:
        if (n mod 3)=1:
    if numeric p_:
    k:=p_;
    fi;
    fi;
    if (n mod 3)=2:
    if numeric p_:
    l:=p_;
    fi;
    fi;
    if (n mod 3)=0:
    if #2>1:
    if p_<>"":
    if (k>0) and (l>0):
    label.urt(LATEX(p_),(k*unitpx,l*unitpy));
    fi;
    if (k=0) and (l>0):
    label.urt(LATEX(p_),(k*unitpx,l*unitpy));
    fi;
    if (k>0) and (l=0):
    label.urt(LATEX(p_),(k*unitpx,l*unitpy));
    fi;
    if (k<0) and (l>0):
    label.ulft(LATEX(p_),(k*unitpx,l*unitpy));
    fi;
    if (k=0) and (l<0):
    label.llft(LATEX(p_),(k*unitpx,l*unitpy));
    fi;
    if (k<0) and (l<0):
    label.llft(LATEX(p_),(k*unitpx,l*unitpy));
    fi;
    if (k<0) and (l=0):
    label.llft(LATEX(p_),(k*unitpx,l*unitpy));
    fi;
    if (k>0) and (l<0):
    label.lrt(LATEX(p_),(k*unitpx,l*unitpy));
    fi;
    pointe((k*unitpx,l*unitpy));
    fi;
    fi;
    if (#2=1) or (#2=3):
    draw (0,l*unitpy)--(k*unitpx,l*unitpy)--(k*unitpx,0) dashed evenly;
    fi;
    fi;
    n:=n+1;
    endfor;
    fi;
    % }
    n:=1;
    k:=0;%pour retenir la coordonn\'ee en x
    l:=0;%pour retenir la coordonn\'ee en y
    for p_=t:
      if (n mod 3)=1:
        if numeric p_:
        k:=p_;
        fi;
      fi;
      if (n mod 3)=2:
        if numeric p_:
        l:=p_;
        fi;
      fi;
      if (n mod 3)=0:
        if #3=2:
          if p_<>"":
            if (k mod pasx)<>0:
            label.lrt(LATEX("\noexpand\footnotesize$\noexpand\frac{\noexpand\num{"&decimal(k)&"}}{\noexpand\num{"&decimal(pasx)&"}}$"),(k*unitpx,0));
            else:
            label.lrt(LATEX("\noexpand\footnotesize\noexpand\num{\noexpand\fpeval{"&decimal(k)&"/"&decimal(pasx)&"}}"),(k*unitpx,0));
            fi;
            if (l mod pasy)<>0:
            label.ulft(LATEX("\noexpand\footnotesize$\noexpand\frac{\noexpand\num{"&decimal(l)&"}}{\noexpand\num{"&decimal(pasy)&"}}$"),(0,l*unitpy));
            else:
            label.ulft(LATEX("\noexpand\footnotesize\noexpand\num{\noexpand\fpeval{"&decimal(l)&"/"&decimal(pasy)&"}}"),(0,l*unitpy));
            fi;
            pointe((k*unitpx,0),(0,l*unitpy));
          fi;
        elseif #3=1:
          if p_<>"":
          label.lrt(LATEX("\noexpand\footnotesize\noexpand\num{\noexpand\fpeval{"&decimal(k)&"/"&decimal(pasx)&"}}"),(k*unitpx,0));
          label.ulft(LATEX("\noexpand\footnotesize\noexpand\num{\noexpand\fpeval{"&decimal(l)&"/"&decimal(pasy)&"}}"),(0,l*unitpy));
          pointe((k*unitpx,0),(0,l*unitpy));
          fi;
          fi;
    fi;
    n:=n+1;
    endfor;
    enddef;
    tata(#5);
    AvantDefinirSommets(#4);
    DefinirLesSommets(#1);
    if Code:
    EffectuerTraces;
    fi;
  \end{mpost}
  \fi
}%

\def\MPTouteDROITEGraduee#1#2{%
  % #1 : liste des points \`a placer en pas. pour g\'erer le cas des rep\'erages fractionnaires
  % #2 : liste des noms des points
  \ifluatex
  \mplibforcehmode
  \begin{mplibcode}
    defaultcolormodel := \useKV[ClesReperage]{ModeleCouleur};
    maxx:=0;
    minx:=4000;
    unitex:=\useKV[ClesReperage]{Unitex}*cm;
    pasx:=\useKV[ClesReperage]{Pasx};
    unitp:=unitex/pasx;%unit\'e de d\'eplacement
    ValeurUnitex:=\useKV[ClesReperage]{ValeurUnitex};
    ValeurOrigine:=\useKV[ClesReperage]{ValeurOrigine};
    AffichageGrad:=\AffichageGrad;
    AffichageCoord:=\useKV[ClesReperage]{AffichageAbs};
    AffichageNom:=\AffichageNom;
    boolean DemiDroite,AffichageUnites,MarquePrimaire,Decale;
    DemiDroite=\useKV[ClesReperage]{DemiDroite};
    AffichageUnites=\useKV[ClesReperage]{AffichageUnites};
    MarquePrimaire=\useKV[ClesReperage]{MarquePrimaire};
    Decale=\useKV[ClesReperage]{Decale};
    if defaultcolormodel=7:
    cmykcolor CouleurCroix;
    else:
    color CouleurCroix;
    fi;
    CouleurCroix=\useKV[ClesReperage]{CouleurCroix};
    EchelleCroix=\useKV[ClesReperage]{EchelleCroix};
    numeric valeur[];
    vardef titi(text t)=
    n:=0;
    for p_=t:
    n:=n+1;
    valeur[n]=p_;
    endfor;
    enddef;
    titi(#1);
    % Détermination des abscisses maximale et minimale
    for k=1 upto n:
    if valeur[k]>maxx:
    maxx:=valeur[k];
    fi;
    if valeur[k]<minx:
    minx:=valeur[k];
    fi;
    endfor;
    maxx:=maxx+(pasx div 2);
    minx:=minx-(pasx div 2);
    if maxx<(pasx+1):
    maxx:=2*pasx-1;
    fi;
    if minx>(-pasx-1):
    minx:=-2*pasx-1;
    fi;
    if minx<\useKV[ClesReperage]{ValeurMin}:
    minx:=\useKV[ClesReperage]{ValeurMin};
    fi;
    if maxx>\useKV[ClesReperage]{ValeurMax}:
    maxx:=\useKV[ClesReperage]{ValeurMax};
    fi;
    % Pour gérer les cas des droites où toutes les valeurs sont soit positives soit négatives
%    if maxx<pasx:
%    maxx:=pasx+1;
%    fi;
%    if minx>-pasx:
%    minx:=-pasx-1;
%    fi;
    %
    if DemiDroite:
    minx:=0;
    fi;
    % -----
    pair A,B,C;
    A=(0,0);
    B=unitp*(maxx,0);
    C=unitp*(minx,0);
    % On trace la droite
    if DemiDroite:
    drawarrow C--(B+unitp*(0.75,0));
    else:
    drawarrow (C+unitp*(-0.75,0))--(B+unitp*(0.75,0));
    fi;
    % marquage secondaire
    marque_s:=marque_s/3;
%    labeloffset:=labeloffset*2;
    if ((maxx-minx) mod 2)=0:
      for k=(minx+1) step 2 until (maxx-1):
      draw marquedemidroite(C,B);
      draw marquesegment((k/maxx)[A,B],((k+1)/maxx)[A,B]);
      endfor;
    else:
      for k=(minx) step 2 until (maxx-1):
        draw marquesegment((k/maxx)[A,B],((k+1)/maxx)[A,B]);
      endfor;
    fi;
    % marquage primaire
    marque_s:=marque_s*3;
    if MarquePrimaire:
     for k=0 step pasx until (maxx-pasx):
    draw marquesegment((k/maxx)[A,B],((k+pasx)/maxx)[A,B]);
    endfor;
    for k=0 step -pasx until (minx+pasx):
    draw marquesegment((k/maxx)[A,B],((k-pasx)/maxx)[A,B]);
    endfor;
    fi;
    % marquage des points
    m_c:=m_c*3/EchelleCroix;
    marque_p:="croix";
    labeloffset:=labeloffset*3;
    if AffichageUnites:
    label.bot(TEX("\footnotesize\num{"&decimal(ValeurUnitex)&"}"),unitex*(1,0));
    label.bot(TEX("\footnotesize\num{"&decimal(ValeurOrigine)&"}"),A);
    fi;
    if AffichageGrad>0:
    for k=((minx+(minx mod pasx)) div pasx) upto (maxx div pasx):
    if (k<0) or (k>1):
    label.bot(TEX("\footnotesize\num{\fpeval{"&decimal(ValeurOrigine)&"+"&decimal(ValeurUnitex-ValeurOrigine)&"*"&decimal(k)&"}}"),unitex*(k,0));%%%
    fi;
    endfor;
    fi;
    vardef tata(text t)=%on place les points
    if AffichageNom>0:
    n:=0;
    for p_=t:
    n:=n+1;
    if substring(1,2) of p_="*":
    label.top(TEX(substring(2,length p_) of p_),unitp*(valeur[n],0));
    else:
    label.top(TEX(p_),unitp*(valeur[n],0));
    fi;
    if p_<>"":
    drawoptions(withcolor CouleurCroix);
    pointe(unitp*(valeur[n],0));
    drawoptions();
    fi;
    endfor;
    fi;
    % On ajoute une paramétrisation possible à chaque point.
    if AffichageCoord>0:
    n:=0;
    for p_=t:
    n:=n+1;
    if substring(1,2) of p_="*":
    ACoord:=scantokens(substring(0,1) of p_);
    if ACoord=4:
    drawoptions(withcolor CouleurCroix);
    pointe(unitp*(valeur[n],0));
    drawoptions();
    elseif ACoord=3:
    if Decale:
    drawarrow (unitp*valeur[n],-7mm if (n mod 2)=0:-5mm fi)--(unitp*valeur[n],-3mm);
    else:
    drawarrow (unitp*valeur[n],-7mm)--(unitp*valeur[n],-3mm);
    label.bot(TEX("\pointilles[1cm]"),(unitp*valeur[n],-7mm));
    fi;
    numeric LongPoint;
    Labeloffset:=labeloffset;
    labeloffset:=0pt;
    if Decale:
    if DemiDroite:
    LongPoint=abs(C-(B+unitp*(0.75,0)));
    label.rt(TEX("\pointilles["&decimal(LongPoint)&"pt]"),C+(0,-1.6cm));
    else:
    LongPoint=abs((C+unitp*(-0.75,0))-(B+unitp*(0.75,0)));
    label.rt(TEX("\pointilles["&decimal(LongPoint)&"pt]"),C+unitp*(-0.75,0)+(0,-1.6cm));
    fi;
    fi;
    labeloffset:=Labeloffset;
    drawoptions(withcolor CouleurCroix);
    pointe(unitp*(valeur[n],0));
    drawoptions();
    elseif ACoord=2:
    if ((ValeurUnitex*valeur[n]) mod pasx)<>0:
    label.bot(TEX("\footnotesize$\frac{\num{\fpeval{"&decimal(ValeurOrigine*pasx)&"+"&decimal(ValeurUnitex-ValeurOrigine)&"*"&decimal(valeur[n])&"}}}{\num{"&decimal(pasx)&"}}$"),unitp*(valeur[n],0));
    else:
    label.bot(TEX("\footnotesize\num{\fpeval{"&decimal(ValeurUnitex)&"*"&decimal(valeur[n])&"/"&decimal(pasx)&"}}"),unitp*(valeur[n],0));
    fi;
    drawoptions(withcolor CouleurCroix);
    pointe(unitp*(valeur[n],0));
    drawoptions();
    elseif ACoord=1:
    %
    if Decale:
    drawarrow (unitp*valeur[n],-7mm if (n mod 2)=0:-5mm fi)--(unitp*valeur[n],-3mm);
    label.bot(TEX("\footnotesize\num{\fpeval{"&decimal(ValeurOrigine)&"+"&decimal(ValeurUnitex-(ValeurOrigine))&"*"&decimal(valeur[n])&"/"&decimal(pasx)&"}}"),unitp*(valeur[n],-7mm if (n mod 2)=0:-5mm fi));
    else:
    %drawarrow (unitp*valeur[n],-7mm)--(unitp*valeur[n],-3mm);
    %label.bot(TEX("\pointilles[1cm]"),(unitp*valeur[n],-7mm));
    label.bot(TEX("\footnotesize\num{\fpeval{"&decimal(ValeurOrigine)&"+"&decimal(ValeurUnitex-(ValeurOrigine))&"*"&decimal(valeur[n])&"/"&decimal(pasx)&"}}"),unitp*(valeur[n],0));
    fi;
    drawoptions(withcolor CouleurCroix);
    pointe(unitp*(valeur[n],0));
    drawoptions();
    fi;
    else:
    if AffichageCoord=4:
    pointe(unitp*(valeur[n],0));
    elseif AffichageCoord=3:
    if p_<>"":
    if Decale:
    drawarrow (unitp*valeur[n],-7mm if (n mod 2)=0:-5mm fi)--(unitp*valeur[n],-3mm);
    else:
    drawarrow (unitp*valeur[n],-7mm)--(unitp*valeur[n],-3mm);
    label.bot(TEX("\pointilles[1cm]"),(unitp*valeur[n],-7mm));
    fi;
    numeric LongPoint;
    Labeloffset:=labeloffset;
    labeloffset:=0pt;
    if Decale:
    if DemiDroite:
    LongPoint=abs(C-(B+unitp*(0.75,0)));
    label.rt(TEX("\pointilles["&decimal(LongPoint)&"pt]"),C+(0,-1.6cm));
    else:
    LongPoint=abs((C+unitp*(-0.75,0))-(B+unitp*(0.75,0)));
    label.rt(TEX("\pointilles["&decimal(LongPoint)&"pt]"),C+unitp*(-0.75,0)+(0,-1.6cm));
    fi;
    fi;
    labeloffset:=Labeloffset;
    drawoptions(withcolor CouleurCroix);
    pointe(unitp*(valeur[n],0));
    drawoptions();
    fi;
    elseif AffichageCoord=2:
    if p_<>"":
    if ((ValeurUnitex*valeur[n]) mod pasx)<>0:
    label.bot(TEX("\footnotesize$\frac{\num{\fpeval{"&decimal(ValeurOrigine*pasx)&"+"&decimal(ValeurUnitex-ValeurOrigine)&"*"&decimal(valeur[n])&"}}}{\num{"&decimal(pasx)&"}}$"),unitp*(valeur[n],0));
    else:
    label.bot(TEX("\footnotesize\num{\fpeval{"&decimal(ValeurOrigine)&"+"&decimal(ValeurUnitex-ValeurOrigine)&"*"&decimal(valeur[n])&"/"&decimal(pasx)&"}}"),unitp*(valeur[n],0));
    fi;
    drawoptions(withcolor CouleurCroix);
    pointe(unitp*(valeur[n],0));
    drawoptions();
    fi;
    elseif AffichageCoord=1:
    if p_<>"":
    if Decale:
    Labeloffset:=labeloffset;
    labeloffset:=2pt;
    if (valeur[n]<>0) and (valeur[n]<>pasx):
    drawarrow (unitp*valeur[n],-7mm if (n mod 2)=0:-5mm fi)--(unitp*valeur[n],-3mm);
    label.bot(TEX("\footnotesize\num{\fpeval{"&decimal(ValeurOrigine)&"+"&decimal(ValeurUnitex-(ValeurOrigine))&"*"&decimal(valeur[n])&"/"&decimal(pasx)&"}}"),(unitp*valeur[n],-7mm if (n mod 2)=0:-5mm fi));
    fi;
    labeloffset:=Labeloffset;
    else:
    %drawarrow (unitp*valeur[n],-7mm)--(unitp*valeur[n],-3mm);
    %label.bot(TEX("\pointilles[1cm]"),(unitp*valeur[n],-7mm));
    label.bot(TEX("\footnotesize\num{\fpeval{"&decimal(ValeurOrigine)&"+"&decimal(ValeurUnitex-(ValeurOrigine))&"*"&decimal(valeur[n])&"/"&decimal(pasx)&"}}"),unitp*(valeur[n],0));
    fi;
    %label.bot(TEX("\footnotesize\num{\fpeval{"&decimal(ValeurOrigine)&"+"&decimal(ValeurUnitex-(ValeurOrigine))&"*"&decimal(valeur[n])&"/"&decimal(pasx)&"}}"),unitp*(valeur[n],0));
    drawoptions(withcolor CouleurCroix);
    pointe(unitp*(valeur[n],0));
    drawoptions();
    fi;
    fi;
    fi;
    endfor;
    fi;
    enddef;
    %%%
    tata(#2);
    if \useKV[ClesReperage]{Code}:
    \useKV[ClesReperage]{Traces}
    fi;
  \end{mplibcode}
  \else
  \begin{mpost}[mpsettings={unitex:=\useKV[ClesReperage]{Unitex}*cm; pasx:=\useKV[ClesReperage]{Pasx}; unitp:=unitex/pasx; ValeurUnitex:=\useKV[ClesReperage]{ValeurUnitex}; ValeurOrigine:=\useKV[ClesReperage]{ValeurOrigine}; AffichageGrad:=\AffichageGrad; AffichageCoord:=\useKV[ClesReperage]{AffichageAbs}; AffichageNom:=\AffichageNom; ValeurMin=\useKV[ClesReperage]{ValeurMin}; ValeurMax=\useKV[ClesReperage]{ValeurMax};boolean DemiDroite;DemiDroite=\useKV[ClesReperage]{DemiDroite};}]
    maxx:=0;
    minx:=4000;
    numeric valeur[];
    vardef titi(text t)=
    n:=0;
    for p_=t:
    n:=n+1;
    valeur[n]=p_;
    endfor;
    enddef;
    titi(#1);
    % Détermination des abscisses maximale et minimale
    for k=1 upto n:
    if valeur[k]>maxx:
    maxx:=valeur[k];
    fi;
    if valeur[k]<minx:
    minx:=valeur[k];
    fi;
    endfor;
    maxx:=maxx+(pasx div 2);
    minx:=minx-(pasx div 2);
    if maxx<(pasx+1):
    maxx:=2*pasx-1;
    fi;
    if minx>(-pasx-1):
    minx:=-2*pasx-1;
    fi;
    if minx<ValeurMin:
    minx:=ValeurMin;
    fi;
    if maxx>ValeurMax:
    maxx:=ValeurMax;
    fi;
    if DemiDroite:
    minx:=0;
    fi;
    % -----
    pair A,B,C;
    A=(0,0);
    B=unitp*(maxx,0);
    C=unitp*(minx,0);
    % On trace la demi-droite
    if DemiDroite:
    drawarrow C--(B+unitp*(0.75,0));
    else:
    drawarrow (C+unitp*(-0.75,0))--(B+unitp*(0.75,0));
    fi;
    % marquage secondaire
    marque_s:=marque_s/3;
    %labeloffset:=labeloffset*2;
    if ((maxx-minx) mod 2)=0:
      for k=(minx+1) step 2 until (maxx-1):
      draw marquedemidroite(C,B);
      draw marquesegment((k/maxx)[A,B],((k+1)/maxx)[A,B]);
      endfor;
      else:
      for k=(minx) step 2 until (maxx-1):
        draw marquesegment((k/maxx)[A,B],((k+1)/maxx)[A,B]);
     endfor;
     fi;
    % marquage primaire
    marque_s:=marque_s*3;
    for k=0 step pasx until (maxx-pasx):
    draw marquesegment((k/maxx)[A,B],((k+pasx)/maxx)[A,B]);
    endfor;
    for k=0 step -pasx until (minx+pasx):
    draw marquesegment((k/maxx)[A,B],((k-pasx)/maxx)[A,B]);
    endfor;
    % marquage des points
    m_c:=m_c*3;
    marque_p:="croix";
    labeloffset:=labeloffset*3;
    label.bot(LATEX("\noexpand\footnotesize\noexpand\num{"&decimal(ValeurUnitex)&"}"),unitex*(1,0));
    label.bot(LATEX("\noexpand\footnotesize\noexpand\num{"&decimal(ValeurOrigine)&"}"),A);
    if AffichageGrad>0:
    for k=((minx+(minx mod pasx)) div pasx) upto (maxx div pasx):
    if (k<0) or (k>1):
    label.bot(LATEX("\noexpand\footnotesize\noexpand\num{\noexpand\fpeval{"&decimal(ValeurOrigine)&"+"&decimal(ValeurUnitex-ValeurOrigine)&"*"&decimal(k)&"}}"),unitex*(k,0));%%%
    fi;
    endfor;
    fi;
    vardef tata(text t)=%on place les points
    if AffichageNom>0:
    n:=0;
    for p_=t:
    n:=n+1;
    if substring(1,2) of p_="*":
    label.top(LATEX(substring(2,length p_) of p_),unitp*(valeur[n],0));
    else:
    label.top(LATEX(p_),unitp*(valeur[n],0));
    fi;
    if p_<>"":
    pointe(unitp*(valeur[n],0));
    fi;
    endfor;
    fi;
    if AffichageCoord>0:
    n:=0;
    for p_=t:
    n:=n+1;
    if substring(1,2) of p_="*":
    ACoord:=scantokens(substring(0,1) of p_);
    if ACoord=4:
    pointe(unitp*(valeur[n],0));
    elseif ACoord=3:
    drawarrow (unitp*(valeur[n],-1))--(unitp*(valeur[n],-0.3));
    label.bot(btex \noexpand\hbox to2em{\noexpand\dotfill} etex,(unitp*(valeur[n],-1)));
    pointe(unitp*(valeur[n]-ValeurOrigine,0));
    elseif ACoord=2:
    if ((ValeurUnitex*valeur[n]) mod pasx)<>0:
    label.bot(LATEX("\noexpand\footnotesize$\noexpand\frac{\noexpand\num{\noexpand\fpeval{"&decimal(ValeurUnitex)&"*"&decimal(valeur[n])&"}}}{\noexpand\num{"&decimal(pasx)&"}}$"),unitp*(valeur[n],0));
    else:
    label.bot(LATEX("\noexpand\footnotesize\noexpand\num{\noexpand\fpeval{"&decimal(ValeurUnitex)&"*"&decimal(valeur[n])&"/"&decimal(pasx)&"}}"),unitp*(valeur[n],0));
    fi;
    pointe(unitp*(valeur[n],0));
    elseif ACoord=1:
    label.bot(LATEX("\noexpand\footnotesize\noexpand\num{\noexpand\fpeval{"&decimal(ValeurOrigine)&"+"&decimal(ValeurUnitex-(ValeurOrigine))&"*"&decimal(valeur[n])&"/"&decimal(pasx)&"}}"),unitp*(valeur[n],0));
    pointe(unitp*(valeur[n],0));
    fi;
    else:
    if AffichageCoord=3:
    if p_<>"":
    drawarrow (unitp*(valeur[n],-1))--(unitp*(valeur[n],-0.3));
    label.bot(btex \noexpand\hbox to2em{\noexpand\dotfill} etex,(unitp*(valeur[n],-1)));
    pointe(unitp*(valeur[n],0));
    fi;
    elseif AffichageCoord=2:
    if p_<>"":
    if ((ValeurUnitex*valeur[n]) mod pasx)<>0:
    label.bot(LATEX("\noexpand\footnotesize$\noexpand\frac{\noexpand\num{\noexpand\fpeval{"&decimal(ValeurUnitex)&"*"&decimal(valeur[n])&"}}}{\noexpand\num{"&decimal(pasx)&"}}$"),unitp*(valeur[n],0));
    else:
    label.bot(LATEX("\noexpand\footnotesize\noexpand\num{\noexpand\fpeval{"&decimal(ValeurUnitex)&"*"&decimal(valeur[n])&"/"&decimal(pasx)&"}}"),unitp*(valeur[n],0));
    fi;
    pointe(unitp*(valeur[n],0));
    fi;
    elseif AffichageCoord=1:
    if p_<>"":
    label.bot(LATEX("\noexpand\footnotesize\noexpand\num{\noexpand\fpeval{"&decimal(ValeurOrigine)&"+"&decimal(ValeurUnitex-(ValeurOrigine))&"*"&decimal(valeur[n])&"/"&decimal(pasx)&"}}"),unitp*(valeur[n],0));
    pointe(unitp*(valeur[n],0));
    fi;
    fi;
    fi;
    endfor;
    fi;    
    enddef;
    %%%
    tata(#2);
  \end{mpost}
  \fi
}%

\def\MPThermo#1#2{%
  % #1 : liste des points \`a placer en pas. pour g\'erer le cas des rep\'erages fractionnaires
  % #2 : liste des noms des points
  \ifluatex
  \mplibforcehmode
  \begin{mplibcode}
    defaultcolormodel := \useKV[ClesReperage]{ModeleCouleur};
    maxx:=0;
    minx:=4000;
    unitex:=\useKV[ClesReperage]{Unitex}*cm;
    pasx:=\useKV[ClesReperage]{Pasx};
    unitp:=unitex/pasx;%unit\'e de d\'eplacement
    ValeurUnitex:=\useKV[ClesReperage]{ValeurUnitex};
    ValeurOrigine:=\useKV[ClesReperage]{ValeurOrigine};
    AffichageGrad:=\AffichageGrad;
    AffichageCoord:=\useKV[ClesReperage]{AffichageAbs};
    AffichageNom:=\AffichageNom;
    boolean Kelvin,Farenheit;
    Kelvin=\useKV[ClesReperage]{Kelvin};
    Farenheit=\useKV[ClesReperage]{Farenheit};
    color ColMercure;
    ColMercure:=\useKV[ClesReperage]{CouleurMercure};
    boolean Mercure;
    Mercure=\useKV[ClesReperage]{Mercure};
    numeric valeur[];
    vardef titi(text t)=
    n:=0;
    for p_=t:
    n:=n+1;
    valeur[n]=p_;
    endfor;
    enddef;
    titi(#1);
    % Détermination des abscisses maximale et minimale
    for k=1 upto n:
    if valeur[k]>maxx:
    maxx:=valeur[k];
    fi;
    if valeur[k]<minx:
    minx:=valeur[k];
    fi;
    endfor;
    maxx:=maxx+(pasx div 2);
    minx:=minx-(pasx div 2);
    if maxx<(pasx+1):
    maxx:=2*pasx-1;
    fi;
    if minx>(-pasx-1):
    minx:=-2*pasx-1;
    fi;
    if Kelvin:
    minx:=0;
    fi;
    % -----
    pair A,B,C;
    A=(0,0);
    B=unitp*(0,maxx);
    C=unitp*(0,minx);
    % On trace la demi-droite
    draw ((C+unitp*(0,-0.75))--(B+unitp*(0,0.75)));
    % marquage secondaire
    marque_s:=marque_s/3;
    if pasx<11:
    labeloffset:=labeloffset*2;
    if ((maxx-minx) mod 2)=0:
      for k=(minx+1) step 2 until (maxx-1):
      draw marquedemidroite(C,B);
      draw marquesegment((k/maxx)[A,B],((k+1)/maxx)[A,B]);
      endfor;
      else:
      for k=(minx) step 2 until (maxx-1):
        draw marquesegment((k/maxx)[A,B],((k+1)/maxx)[A,B]);
     endfor;
     fi;
     fi;
    % marquage primaire
    marque_s:=marque_s*3;
    for k=0 step pasx until (maxx-pasx):
    draw marquesegment((k/maxx)[A,B],((k+pasx)/maxx)[A,B]);
    endfor;
    for k=0 step -pasx until (minx+pasx):
    draw marquesegment((k/maxx)[A,B],((k-pasx)/maxx)[A,B]);
    endfor;
    % marquage des points
    m_c:=m_c*3;
    marque_p:="croix";
    labeloffset:=labeloffset*2;
    if Kelvin:
    label.lft(TEX("\footnotesize\Temp[K]{"&decimal(ValeurUnitex)&"}"),unitex*(0,1));
    label.lft(TEX("\footnotesize\Temp[K]{"&decimal(ValeurOrigine)&"}"),A);
    elseif Farenheit:
    label.lft(TEX("\footnotesize\Temp[F]{"&decimal(ValeurUnitex)&"}"),unitex*(0,1));
    label.lft(TEX("\footnotesize\Temp[F]{"&decimal(ValeurOrigine)&"}"),A);
    else:
    label.lft(TEX("\footnotesize\Temp{"&decimal(ValeurUnitex)&"}"),unitex*(0,1));
    label.lft(TEX("\footnotesize\Temp{"&decimal(ValeurOrigine)&"}"),A);
    fi;
    if AffichageGrad>0:
    for k=((minx+(minx mod pasx)) div pasx) upto (maxx div pasx):
    if (k<0) or (k>1):
    if Kelvin:
    label.lft(TEX("\footnotesize\Temp[K]{\fpeval{"&decimal(ValeurOrigine)&"+"&decimal(ValeurUnitex-ValeurOrigine)&"*"&decimal(k)&"}}"),unitex*(0,k));%%%
    elseif Farenheit:
    label.lft(TEX("\footnotesize\Temp[F]{\fpeval{"&decimal(ValeurOrigine)&"+"&decimal(ValeurUnitex-ValeurOrigine)&"*"&decimal(k)&"}}"),unitex*(0,k));%%%
    else:
    label.lft(TEX("\footnotesize\Temp{\fpeval{"&decimal(ValeurOrigine)&"+"&decimal(ValeurUnitex-ValeurOrigine)&"*"&decimal(k)&"}}"),unitex*(0,k));%%%
    fi;
    fi;
    endfor;
    fi;

    vardef Thermo(expr nbt)=
    pair Tc[];
    Tc[0]=(5mm,unitp*(minx-1));
    path cc[];
    cc1=cercles(Tc[0],2.5mm);
    Tc1=pointarc(cc1,75);
    Tc4=pointarc(cc1,105);
    Tc2=(xpart(Tc1),ypart(B+unitp*(0,0.75)));
    Tc3=(xpart(Tc4),ypart(B+unitp*(0,0.75)));
    Tc5=(xpart(Tc1),ypart(unitp*(0,valeur[1])));
    Tc6=(xpart(Tc4),ypart(unitp*(0,valeur[1])));
    path temp;
    temp=Tc1--Tc5--Tc6--Tc4--arccercle(Tc4,Tc1,Tc0)--cycle;
    if nbt>0:
    fill temp withcolor ColMercure;
    trace Tc5--Tc6;
    fi;
    trace arccercle(Tc4,Tc1,Tc0);
    trace Tc1--Tc2--arccercle(Tc2,Tc3,iso(Tc2,Tc3))--Tc4;
    enddef;

    if Mercure:Thermo(1) else : Thermo(0) fi;
    
    vardef tata(text t)=%on place les points
    if AffichageNom>0:
    n:=0;
    for p_=t:
    n:=n+1;
    label.rt(TEX(p_),unitp*(0,valeur[n]));
    if p_<>"":
    pointe(unitp*(0,valeur[n]));
    fi;
    endfor;
    fi;
    if AffichageCoord=3:
    n:=0;
    for p_=t:
    n:=n+1;
    if p_<>"":
    drawarrow (unitp*(-1,valeur[n]))--(unitp*(-0.3,valeur[n]));
    label.rt(btex \hbox to2em{\dotfill} etex,(unitp*(-1,valeur[n])));
    pointe(unitp*(0,valeur[n]-ValeurOrigine));
    fi;
    endfor;
    elseif AffichageCoord=2:
    n:=0;
    for p_=t:
    n:=n+1;
    if p_<>"":
    if ((ValeurUnitex*valeur[n]) mod pasx)<>0:
    label.rt(TEX("\footnotesize$\frac{\num{\fpeval{"&decimal(ValeurUnitex)&"*"&decimal(valeur[n])&"}}}{\num{"&decimal(pasx)&"}}$"),unitp*(0,valeur[n]));
    else:
    label.rt(TEX("\footnotesize\num{\fpeval{"&decimal(ValeurUnitex)&"*"&decimal(valeur[n])&"/"&decimal(pasx)&"}}"),unitp*(0,valeur[n]));
    fi;
    pointe(unitp*(0,valeur[n]-ValeurOrigine));
    fi;
    endfor;
    elseif AffichageCoord=1:
    n:=0;
    for p_=t:
    n:=n+1;
    if p_<>"":
    if Kelvin:
    label.rt(TEX("\footnotesize\Temp[K]{\fpeval{"&decimal(ValeurOrigine)&"+"&decimal(ValeurUnitex-(ValeurOrigine))&"*"&decimal(valeur[n])&"/"&decimal(pasx)&"}}"),(5mm,unitp*valeur[n]));
    elseif Farenheit:
    label.rt(TEX("\footnotesize\Temp[F]{\fpeval{"&decimal(ValeurOrigine)&"+"&decimal(ValeurUnitex-(ValeurOrigine))&"*"&decimal(valeur[n])&"/"&decimal(pasx)&"}}"),(5mm,unitp*valeur[n]));
    else:
    label.rt(TEX("\footnotesize\Temp{\fpeval{"&decimal(ValeurOrigine)&"+"&decimal(ValeurUnitex-(ValeurOrigine))&"*"&decimal(valeur[n])&"/"&decimal(pasx)&"}}"),(5mm,unitp*valeur[n]));
    fi;
    pointe(unitp*(0,valeur[n]));
    draw (unitp*(0,valeur[n]))--(7.5mm,unitp*valeur[n]) dashed evenly;
    fi;
    endfor;
    fi;
    enddef;
    %%%
    tata(#2);
  \end{mplibcode}
  \else
  \begin{mpost}[mpsettings={unitex:=\useKV[ClesReperage]{Unitex}*cm;
    pasx:=\useKV[ClesReperage]{Pasx};
    unitp:=unitex/pasx;%unit\'e de d\'eplacement
    ValeurUnitex:=\useKV[ClesReperage]{ValeurUnitex};
    ValeurOrigine:=\useKV[ClesReperage]{ValeurOrigine};
    AffichageGrad:=\AffichageGrad;
    AffichageCoord:=\useKV[ClesReperage]{AffichageAbs};
    AffichageNom:=\AffichageNom;
    boolean Kelvin,Farenheit;
    Kelvin=\useKV[ClesReperage]{Kelvin};
    Farenheit=\useKV[ClesReperage]{Farenheit};
    color ColMercure;
    ColMercure:=\useKV[ClesReperage]{CouleurMercure};
    boolean Mercure;
    Mercure=\useKV[ClesReperage]{Mercure};}]
    maxx:=0;
    minx:=4000;
    numeric valeur[];
    vardef titi(text t)=
    n:=0;
    for p_=t:
    n:=n+1;
    valeur[n]=p_;
    endfor;
    enddef;
    titi(#1);
    % Détermination des abscisses maximale et minimale
    for k=1 upto n:
    if valeur[k]>maxx:
    maxx:=valeur[k];
    fi;
    if valeur[k]<minx:
    minx:=valeur[k];
    fi;
    endfor;
    maxx:=maxx+(pasx div 2);
    minx:=minx-(pasx div 2);
    if maxx<(pasx+1):
    maxx:=2*pasx-1;
    fi;
    if minx>(-pasx-1):
    minx:=-2*pasx-1;
    fi;
    if Kelvin:
    minx:=0;
    fi;
    % -----
    pair A,B,C;
    A=(0,0);
    B=unitp*(0,maxx);
    C=unitp*(0,minx);
    % On trace la demi-droite
    draw (C+unitp*(0,-0.75))--(B+unitp*(0,0.75));
    % marquage secondaire
    marque_s:=marque_s/3;
    if pasx<11:
    labeloffset:=labeloffset*2;
    if ((maxx-minx) mod 2)=0:
      for k=(minx+1) step 2 until (maxx-1):
      draw marquedemidroite(C,B);
      draw marquesegment((k/maxx)[A,B],((k+1)/maxx)[A,B]);
      endfor;
      else:
      for k=(minx) step 2 until (maxx-1):
        draw marquesegment((k/maxx)[A,B],((k+1)/maxx)[A,B]);
     endfor;
    fi;
    fi;
    % marquage primaire
    marque_s:=marque_s*3;
    for k=0 step pasx until (maxx-pasx):
    draw marquesegment((k/maxx)[A,B],((k+pasx)/maxx)[A,B]);
    endfor;
    for k=0 step -pasx until (minx+pasx):
    draw marquesegment((k/maxx)[A,B],((k-pasx)/maxx)[A,B]);
    endfor;
    % marquage des points
    m_c:=m_c*3;
    marque_p:="croix";
    labeloffset:=labeloffset*2;
    if Kelvin:
    label.lft(LATEX("\noexpand\footnotesize\noexpand\SI{"&decimal(ValeurUnitex)&"}{\kelvin}"),unitex*(0,1));
    label.lft(LATEX("\noexpand\footnotesize\noexpand\SI{"&decimal(ValeurOrigine)&"}{\kelvin}"),A);
    elseif Farenheit:
    label.lft(LATEX("\noexpand\footnotesize\noexpand\SI{"&decimal(ValeurUnitex)&"}{\farenheit}"),unitex*(0,1));
    label.lft(LATEX("\noexpand\footnotesize\noexpand\SI{"&decimal(ValeurOrigine)&"}{\farenheit}"),A);
    else:
    label.lft(LATEX("\noexpand\footnotesize\noexpand\SI{"&decimal(ValeurUnitex)&"}{\celsius}"),unitex*(0,1));
    label.lft(LATEX("\noexpand\footnotesize\noexpand\SI{"&decimal(ValeurOrigine)&"}{\celsius}"),A);
    fi;
    if AffichageGrad>0:
    for k=((minx+(minx mod pasx)) div pasx) upto (maxx div pasx):
    if (k<0) or (k>1):
    if Kelvin:
    label.lft(LATEX("\noexpand\footnotesize\noexpand\SI{\noexpand\fpeval{"&decimal(ValeurOrigine)&"+"&decimal(ValeurUnitex-ValeurOrigine)&"*"&decimal(k)&"}}{\kelvin}"),unitex*(0,k));%%%
    elseif Farenheit:
label.lft(LATEX("\noexpand\footnotesize\noexpand\SI{\noexpand\fpeval{"&decimal(ValeurOrigine)&"+"&decimal(ValeurUnitex-ValeurOrigine)&"*"&decimal(k)&"}}{\farenheit}"),unitex*(0,k));%%%
    else:
label.lft(LATEX("\noexpand\footnotesize\noexpand\SI{\noexpand\fpeval{"&decimal(ValeurOrigine)&"+"&decimal(ValeurUnitex-ValeurOrigine)&"*"&decimal(k)&"}}{\celsius}"),unitex*(0,k));%%%
    fi;
    fi;
    endfor;
    fi;

    vardef Thermo(expr nbt)=
    pair Tc[];
    Tc[0]=(5mm,unitp*(minx-1));
    path cc[];
    cc1=cercles(Tc[0],2.5mm);
    Tc1=pointarc(cc1,75);
    Tc4=pointarc(cc1,105);
    Tc2=(xpart(Tc1),ypart(B+unitp*(0,0.75)));
    Tc3=(xpart(Tc4),ypart(B+unitp*(0,0.75)));
    Tc5=(xpart(Tc1),ypart(unitp*(0,valeur[1])));
    Tc6=(xpart(Tc4),ypart(unitp*(0,valeur[1])));
    path temp;
    temp=Tc1--Tc5--Tc6--Tc4--arccercle(Tc4,Tc1,Tc0)--cycle;
    if nbt>0:
    fill temp withcolor ColMercure;
    trace Tc5--Tc6;
    fi;
    trace arccercle(Tc4,Tc1,Tc0);
    trace Tc1--Tc2--arccercle(Tc2,Tc3,iso(Tc2,Tc3))--Tc4;
    enddef;

    if Mercure:Thermo(1) else : Thermo(0) fi;
    
    vardef tata(text t)=%on place les points
    if AffichageNom>0:
    n:=0;
    for p_=t:
    n:=n+1;
    label.rt(LATEX(p_),unitp*(0,valeur[n]));
    if p_<>"":
    pointe(unitp*(0,valeur[n]));
    fi;
    endfor;
    fi;
    if AffichageCoord=3:
    n:=0;
    for p_=t:
    n:=n+1;
    if p_<>"":
    drawarrow (unitp*(-1,valeur[n]))--(unitp*(-0.3,valeur[n]));
    label.rt(\btex \hbox to2em{\dotfill} etex,(unitp*(-1,valeur[n])));
    pointe(unitp*(0,valeur[n]-ValeurOrigine));
    fi;
    endfor;
    elseif AffichageCoord=2:
    n:=0;
    for p_=t:
    n:=n+1;
    if p_<>"":
    if ((ValeurUnitex*valeur[n]) mod pasx)<>0:
    label.rt(LATEX("\noexpand\footnotesize$\noexpand\frac{\noexpand\num{\noexpand\fpeval{"&decimal(ValeurUnitex)&"*"&decimal(valeur[n])&"}}}{\num{"&decimal(pasx)&"}}$"),unitp*(0,valeur[n]));
    else:
    label.rt(LATEX("\noexpand\footnotesize\noexpand\num{\noexpand\fpeval{"&decimal(ValeurUnitex)&"*"&decimal(valeur[n])&"/"&decimal(pasx)&"}}"),unitp*(0,valeur[n]));
    fi;
    pointe(unitp*(0,valeur[n]-ValeurOrigine));
    fi;
    endfor;
    elseif AffichageCoord=1:
    n:=0;
    for p_=t:
    n:=n+1;
    if p_<>"":
    if Kelvin:
    label.rt(LATEX("\noexpand\footnotesize\noexpand\SI{\noexpand\fpeval{"&decimal(ValeurOrigine)&"+"&decimal(ValeurUnitex-(ValeurOrigine))&"*"&decimal(valeur[n])&"/"&decimal(pasx)&"}}{\kelvin}"),(5mm,unitp*valeur[n]));
    elseif Farenheit:
    label.rt(LATEX("\noexpand\footnotesize\noexpand\SI{\noexpand\fpeval{"&decimal(ValeurOrigine)&"+"&decimal(ValeurUnitex-(ValeurOrigine))&"*"&decimal(valeur[n])&"/"&decimal(pasx)&"}}{\farenheit}"),(5mm,unitp*valeur[n]));
    else:
    label.rt(LATEX("\noexpand\footnotesize\noexpand\SI{\noexpand\fpeval{"&decimal(ValeurOrigine)&"+"&decimal(ValeurUnitex-(ValeurOrigine))&"*"&decimal(valeur[n])&"/"&decimal(pasx)&"}}{\celsius}"),(5mm,unitp*valeur[n]));
    fi;
    pointe(unitp*(0,valeur[n]));
    draw (unitp*(0,valeur[n]))--(7.5mm,unitp*valeur[n]) dashed evenly;
    fi;
    endfor;
    fi;
    enddef;
    %%%
    tata(#2);
  \end{mpost}
  \fi
}

\def\MPNewDROITEGradueeMulti#1#2{%
  % #1 : liste des points \`a placer en pas. pour g\'erer le cas des rep\'erages fractionnaires
  % #2 : liste des noms des points
  \ifluatex
  \mplibforcehmode
  \begin{mplibcode}
    defaultcolormodel := \useKV[ClesReperage]{ModeleCouleur};
    maxx:=0;
    minx:=4000;
    unitex:=\useKV[ClesReperage]{Unitex}*cm;
    pasx:=\useKV[ClesReperage]{Pasx};
    unitp:=unitex/pasx;%unit\'e de d\'eplacement
    ValeurUnitex:=\useKV[ClesReperage]{ValeurUnitex};
    ValeurOrigine:=\useKV[ClesReperage]{ValeurOrigine};
    AffichageGrad:=\AffichageGrad;
    AffichageCoord:=\useKV[ClesReperage]{AffichageAbs};
    AffichageNom:=\AffichageNom;
    numeric valeur[];
    vardef titi(text t)=
    n:=0;
    for p_=t:
    n:=n+1;
    valeur[n]=p_;
    endfor;
    enddef;
    titi(#1);
    % Détermination des abscisses maximale et minimale
    for k=1 upto n:
    if valeur[k]>maxx:
    maxx:=valeur[k];
    fi;
    if valeur[k]<minx:
    minx:=valeur[k];
    fi;
    endfor;
    maxx:=maxx+(pasx div 2);
    minx:=minx-(pasx div 2);
    if maxx<(pasx+1):
    maxx:=2*pasx-1;
    fi;
    if minx>(-pasx-1):
    minx:=-2*pasx-1;
    fi;
    if minx<\useKV[ClesReperage]{ValeurMin}:
    minx:=\useKV[ClesReperage]{ValeurMin};
    fi;
    if maxx>\useKV[ClesReperage]{ValeurMax}:
    maxx:=\useKV[ClesReperage]{ValeurMax};
    fi;
%    % -----
    pair A[],B[],C[];
    for l=0 upto (\useKV[ClesReperage]{Etages}-1):
    A[l]=(0,-l*cm);
    B[l]=unitp*(maxx,0)+(0,-l*cm);
    C[l]=unitp*(minx,0)+(0,-l*cm);
    % On trace la demi-droite
    drawarrow (C[l]+unitp*(-0.75,0))--(B[l]+unitp*(0.75,0));
    % marquage secondaire
    marque_s:=marque_s/3;
    if ((maxx-minx) mod 2)=0:
      for k=(minx+1) step 2 until (maxx-1):
      draw marquedemidroite(C[l],B[l]);
      draw marquesegment((k/maxx)[A[l],B[l]],((k+1)/maxx)[A[l],B[l]]);
      endfor;
      else:
      for k=(minx) step 2 until (maxx-1):
        draw marquesegment((k/maxx)[A[l],B[l]],((k+1)/maxx)[A[l],B[l]]);
     endfor;
     fi;
    % marquage primaire
    marque_s:=marque_s*3;
    for k=0 step pasx until (maxx-pasx):
    draw marquesegment((k/maxx)[A[l],B[l]],((k+pasx)/maxx)[A[l],B[l]]);
    endfor;
    for k=0 step -pasx until (minx+pasx):
    draw marquesegment((k/maxx)[A[l],B[l]],((k-pasx)/maxx)[A[l],B[l]]);
    endfor;
    endfor;
    % On trace les zoom
    for k=0 upto (\useKV[ClesReperage]{Etages}-2):
    lp:=floor(1+uniformdeviate(8));
    draw (lp/10)[A[k],B[k]]--A[k+1] dashed evenly scaled 0.5 withcolor 0.5white;
    draw ((lp+1)/10)[A[k],B[k]]--B[k+1] dashed evenly scaled 0.5 withcolor 0.5white;
    endfor;
    % Labelisation
    m_c:=m_c*3;
    marque_p:="croix";
    labeloffset:=labeloffset*2;
    label.top(TEX("\footnotesize\num{"&decimal(ValeurUnitex)&"}"),unitex*(1,0));
    label.top(TEX("\footnotesize\num{"&decimal(ValeurOrigine)&"}"),A[0]);
    if AffichageGrad>0:
    for k=((minx+(minx mod pasx)) div pasx) upto (maxx div pasx):
    if (k<0) or (k>1):
    label.bot(TEX("\footnotesize\num{\fpeval{"&decimal(ValeurOrigine)&"+"&decimal(ValeurUnitex-ValeurOrigine)&"*"&decimal(k)&"}}"),unitex*(k,0));%%%
    fi;
    endfor;
    fi;
    labeloffset:=labeloffset/2;
    vardef tata(text t)=%on place les points
    if AffichageNom>0:
    n:=0;
    for p_=t:
    n:=n+1;
    label.top(TEX(p_),unitp*(valeur[n],0)+(0,(-\useKV[ClesReperage]{Etages}+1)*cm));
    pointe(unitp*(valeur[n],0));
    endfor;
    fi;
    if AffichageCoord=3:
    n:=0;
    for p_=t:
    n:=n+1;
    if p_<>"":
    drawarrow (unitp*(valeur[n],-1)+(0,(-\useKV[ClesReperage]{Etages}+1)*cm))--(unitp*(valeur[n],-0.3)+(0,(-\useKV[ClesReperage]{Etages}+1)*cm));
    label.bot(btex \hbox to4em{\dotfill} etex,(unitp*(valeur[n],-1))+(0,(-\useKV[ClesReperage]{Etages}+0.5)*cm));
    %pointe(unitp*(valeur[n],0));
    fi;
    endfor;
    fi;
    enddef;
    %%%
    tata(#2);
  \end{mplibcode}
  \fi
}

% Pour construire les droite/demi-droite gradu\'ee
\def\builddemidroitenew{%
  \toklistepointdroite{}%
  \toklistenompointdemidroite{}%
  \xdef\AffichageNom{0}\ifboolKV[ClesReperage]{AffichageNom}{\xdef\AffichageNom{1}}{}
  \xdef\AffichageCoord{\useKV[ClesReperage]{AffichageAbs}}
  \xdef\AffichageGrad{0}\ifboolKV[ClesReperage]{AffichageGrad}{\xdef\AffichageGrad{1}}{}
  \ifboolKV[ClesReperage]{Thermometre}{%
    \foreachitem\compteur\in\ListePointDroite{\expandafter\Updatetoksdemidroite\compteur\nil}%
    \xdef\Listedesvaleursaplacersurlademidroite{}%
    \foreachitem\compteur\in\ListePointDroite{\xdef\Listedesvaleursaplacersurlademidroite{\Listedesvaleursaplacersurlademidroite,\ListePointDroite[\compteurcnt,1]}}%
    % \Listedesvaleursaplacersurlademidroite%
    \MPThermo{\Listedesvaleursaplacersurlademidroite}{\the\toklistenompointdemidroite}%
  }{%
    \xdef\Listedesvaleursaplacersurlademidroite{}%
    \foreachitem\compteur\in\ListePointDroite{\expandafter\Updatetoksdemidroite\compteur\nil}%
    \foreachitem\compteur\in\ListePointDroite{\xdef\Listedesvaleursaplacersurlademidroite{\Listedesvaleursaplacersurlademidroite,\ListePointDroite[\compteurcnt,1]}}%
    \MPTouteDROITEGraduee{\Listedesvaleursaplacersurlademidroite}{\the\toklistenompointdemidroite}%
  }%
}%

\NewDocumentCommand\Reperage{o m}{%
  \useKVdefault[ClesReperage]%
  \setKV[ClesReperage]{#1}%
  \ifboolKV[ClesReperage]{Espace}{%
    \setKV[ClesReperage]{Unitex=2,Unitey=2.5,Unitez=1.5}%
    \ifboolKV[ClesReperage]{Sphere}{\setKV[ClesReperage]{EchelleEspace=75}}{}%
    \setKV[ClesReperage]{#1}%
    \setsepchar[*]{,*/}\ignoreemptyitems%
    \readlist*\ListePointEspace{#2}%
    \buildespace%
  }{\ifboolKV[ClesReperage]{Plan}{%
      \setsepchar[*]{,*/}%\ignoreemptyitems%
      \readlist\ListePointRepere{#2}%
      \ignoreemptyitems
      \buildreperenew%
    }{%
      \setsepchar[*]{,*/}\ignoreemptyitems%
      \readlist*\ListePointDroite{#2}%
      \builddemidroitenew%
    }%
  }%
}%

\NewDocumentCommand\ReperageMulti{o m}{%
  \useKVdefault[ClesReperage]%
  \setKV[ClesReperage]{#1}%
  \setsepchar[*]{,*/}\ignoreemptyitems%
  \readlist*\ListePointDroite{#2}%
  \toklistepointdroite{}%
  \toklistenompointdemidroite{}%
  \xdef\AffichageNom{0}\ifboolKV[ClesReperage]{AffichageNom}{\xdef\AffichageNom{1}}{}
  \xdef\AffichageCoord{\useKV[ClesReperage]{AffichageAbs}}
  \xdef\AffichageGrad{0}\ifboolKV[ClesReperage]{AffichageGrad}{\xdef\AffichageGrad{1}}{}
  \foreachitem\compteur\in\ListePointDroite{\expandafter\Updatetoksdemidroite\compteur\nil}%
  \xdef\Listedesvaleursaplacersurlademidroite{}%
  \foreachitem\compteur\in\ListePointDroite{\xdef\Listedesvaleursaplacersurlademidroite{\Listedesvaleursaplacersurlademidroite,\ListePointDroite[\compteurcnt,1]}}%
  \MPNewDROITEGradueeMulti{\Listedesvaleursaplacersurlademidroite}{\the\toklistenompointdemidroite}%
  \setsepchar{,}%
}%

\def\MPMultiZoom#1#2#3{%
  % #1 : liste des points \`a placer en pas. pour g\'erer le cas des rep\'erages fractionnaires
  % #2 : liste des noms des points
  % #3 : la décomposition du nombre à placer
  \ifluatex
  \mplibforcehmode
  \begin{mplibcode}
    defaultcolormodel := \useKV[ClesReperage]{ModeleCouleur};
    if defaultcolormodel=7:
    cmykcolor white;
    white=(0,0,0,1);
    fi;
    unitex:=\useKV[ClesReperage]{Unitex}*cm;
    pasx:=10;
    unitp:=unitex/pasx;
    ValeurUnitex:=\useKV[ClesReperage]{ValeurUnitex};
    ValeurOrigine:=\useKV[ClesReperage]{ValeurOrigine};
    AffichageGrad:=\AffichageGrad;
    AffichageCoord:=\useKV[ClesReperage]{AffichageAbs};
    AffichageNom:=\AffichageNom;
    NbEtages:=\useKV[ClesReperage]{Etages};
    EtagesMax=\LongueurPartieDecimale;
    numeric valeur[];
    vardef titi(text t)=
    n:=0;
    for p_=t:
    n:=n+1;
    valeur[n]=p_;
    endfor;
    enddef;
    titi(#1);
    vardef toto(text t)=
    n:=0;
    for p_=t:
    n:=n+1;
    decomp[n]=p_;
    endfor;
    enddef;
    toto(#3);
    % Détermination des abscisses maximale et minimale
    minx=floor(0);
    maxx=ceiling(10);
%    % -----
    pair A[],B[],C[];
    for l=0 upto (NbEtages-1):
    A[l]=(0,-l*cm);
    B[l]=unitp*(maxx,0)+(0,-l*cm);
    C[l]=unitp*(minx,0)+(0,-l*cm);
    % On trace la demi-droite
    if floor(valeur[1]*(10**l))>0:
    drawarrow (C[l]+unitp*(-0.75,0))--(B[l]+unitp*(0.75,0));
    else:
    drawarrow A[l]--(B[l]+unitp*(0.75,0));
    fi;
    % marquage secondaire
    marque_s:=marque_s/3;
    if ((maxx-minx) mod 2)=0:
      for k=(minx+1) step 2 until (maxx-1):
      draw marquedemidroite(C[l],B[l]);
      draw marquesegment((k/maxx)[A[l],B[l]],((k+1)/maxx)[A[l],B[l]]);
      endfor;
      else:
      for k=(minx) step 2 until (maxx-1):
        draw marquesegment((k/maxx)[A[l],B[l]],((k+1)/maxx)[A[l],B[l]]);
     endfor;
     fi;
    % marquage primaire
    marque_s:=marque_s*3;
    for k=0 step pasx until (maxx-pasx):
    draw marquesegment((k/maxx)[A[l],B[l]],((k+pasx)/maxx)[A[l],B[l]]);
    endfor;
    for k=0 step -pasx until (minx+pasx):
    draw marquesegment((k/maxx)[A[l],B[l]],((k-pasx)/maxx)[A[l],B[l]]);
    endfor;
    endfor;
    for k=0 upto (\useKV[ClesReperage]{Etages}-2):
    lp:=decomp[k+2];
    draw ((lp/10)[A[k],B[k]]--((lp+1)/10)[A[k],B[k]]) withpen pencircle scaled 1.5;
    draw (lp/10)[A[k],B[k]]--A[k+1] dashed evenly scaled 0.5 withcolor 0.5white;
    draw ((lp+1)/10)[A[k],B[k]]--B[k+1] dashed evenly scaled 0.5 withcolor 0.5white;
    if lp>0:
      label.bot(TEX("\footnotesize\num{\fpeval{floor("&decimal(valeur[1])&","&decimal(k+1)&")}}"),(lp/10)[A[k],B[k]]+(0,6mm));
    fi;
    if lp<9:
    label.bot(TEX("\footnotesize\num{\fpeval{ceil("&decimal(valeur[1])&","&decimal(k+1)&")}}"),((lp+1)/10)[A[k],B[k]]+(0,6mm));
    fi;
    endfor;
    Decomp=0;
    for k=0 upto (NbEtages-1):
    label.bot(TEX("\footnotesize\num{\fpeval{floor("&decimal(valeur[1])&","&decimal(k)&")}}"),A[k]+(0,6mm));
    label.bot(TEX("\footnotesize\num{\fpeval{ceil("&decimal(valeur[1])&","&decimal(k)&")}}"),B[k]+(0,6mm));
    endfor;
    vardef tata(text t)=%on place les points
    labeloffset:=labeloffset*2;
    if AffichageNom>0:
    for p_=t:
    label.top(TEX("\footnotesize"&p_),unitp*(decomp[NbEtages+1],0)+(0,(-\useKV[ClesReperage]{Etages}+1)*cm));
    endfor;
    fi;
    if AffichageCoord=3:
    for p_=t:
    drawarrow (unitp*(decomp[NbEtages+1],-1)+(0,(-\useKV[ClesReperage]{Etages}+1)*cm))--(unitp*(decomp[NbEtages+1],-0.3)+(0,(-\useKV[ClesReperage]{Etages}+1)*cm));
    label.bot(TEX("\hbox to4em{\dotfill}"),(unitp*(decomp[NbEtages+1],-1))+(0,(-NbEtages+0.8)*cm));
    endfor;
    else:    
    label.bot(TEX("\footnotesize\num{\fpeval{"&decimal(valeur[1])&"}}"),unitp*(decomp[NbEtages+1],0)+(0,(-\useKV[ClesReperage]{Etages}+1)*cm));
    fi;
    labeloffset:=labeloffset/2;
    enddef;
    %%%
    if NbEtages=EtagesMax:
    tata(#2);
    fi;
  \end{mplibcode}
  \fi
}

\NewDocumentCommand\ReperageZoom{o m}{%
  \useKVdefault[ClesReperage]%
  \setKV[ClesReperage]{#1}%
  \setsepchar[*]{,*/}\ignoreemptyitems%
  \readlist*\ListePointDroite{#2}%
  \StrBefore{\ListePointDroite[1,1]}{.}[\PartieEntiere]%
  \StrBehind{\ListePointDroite[1,1]}{.}[\PartieDecimale]%
  \StrLen{\PartieDecimale}[\LongueurPartieDecimale]%
  \ifboolKV[ClesReperage]{Niveaux}{}{%
    \setKV[ClesReperage]{Etages=\LongueurPartieDecimale}%
  }%
  \xdef\Foo{\PartieEntiere}%
  \xintFor* ##1 in {\xintSeq{1}{\LongueurPartieDecimale}}\do{%
    \StrChar{\PartieDecimale}{##1}[\LettreActuelle]%
    \xdef\Foo{\Foo,\LettreActuelle}%
  }%
  \toklistepointdroite{}%
  \toklistenompointdemidroite{}%
  \xdef\AffichageNom{0}\ifboolKV[ClesReperage]{AffichageNom}{\xdef\AffichageNom{1}}{}%
  \xdef\AffichageCoord{\useKV[ClesReperage]{AffichageAbs}}%
  \xdef\AffichageGrad{0}\ifboolKV[ClesReperage]{AffichageGrad}{\xdef\AffichageGrad{1}}{}%
  \foreachitem\compteur\in\ListePointDroite{\expandafter\Updatetoksdemidroite\compteur\nil}%
  \xdef\Listedesvaleursaplacersurlademidroite{}%
  \foreachitem\compteur\in\ListePointDroite{\xdef\Listedesvaleursaplacersurlademidroite{\Listedesvaleursaplacersurlademidroite,\ListePointDroite[\compteurcnt,1]}}%
  \MPMultiZoom{\Listedesvaleursaplacersurlademidroite}{\the\toklistenompointdemidroite}{\Foo}%
  \setsepchar{,}%
}%