Second mark coordinate in decoration in postaction not recognized












0















In decoration, second mark coordinate is not recognized:



  draw[thick,red,zigzag,postaction={
decoration={
markings,
mark=at position 0.7 with coordinate (x);
mark=at position 0.5 with coordinate (z); %unable to recognize z
},
decorate
}] (-2,0) coordinate(a) -- (2,0) coordinate(b);


The MWE is as follows:



documentclass{article}
usepackage{tikz}
usetikzlibrary{decorations.pathmorphing}
usetikzlibrary{decorations.markings}
usetikzlibrary{calc}
usetikzlibrary{positioning}
tikzset{zigzag/.style={decorate,decoration=zigzag}}
begin{document}
begin{tikzpicture}
coordinate (c) at (0,-2);
coordinate (d) at (4,-2);
coordinate (e) at (2,-4);
draw[thick,red,zigzag,postaction={
decoration={
markings,
mark=at position 0.7 with coordinate (x);
mark=at position 0.5 with coordinate (z); %unable to recognize z
},
decorate
}] (-2,0) coordinate(a) -- (2,0) coordinate(b);

draw[thick,fill=blue!20] (c) -- (b) -- (d) -- (e) -- cycle;
draw[thick,postaction={
decoration={
markings,
mark = at position 0.7 with coordinate (y);
},
decorate
}] (a) -- (c);
draw[thick,red,dashed] (x) -- (y);

node[above = 10ex of z,red] (sn) {singularity};
end{tikzpicture}
end{document}


When I compile this code using PDFLaTeX, I get the following:



! Package pgf Error: No shape named z is known.

See the pgf package documentation for explanation.
Type H <return> for immediate help.
...

l.32 node[above = 10ex of z,red]
(sn) {singularity};
?


Please guide me where I am going wrong.










share|improve this question



























    0















    In decoration, second mark coordinate is not recognized:



      draw[thick,red,zigzag,postaction={
    decoration={
    markings,
    mark=at position 0.7 with coordinate (x);
    mark=at position 0.5 with coordinate (z); %unable to recognize z
    },
    decorate
    }] (-2,0) coordinate(a) -- (2,0) coordinate(b);


    The MWE is as follows:



    documentclass{article}
    usepackage{tikz}
    usetikzlibrary{decorations.pathmorphing}
    usetikzlibrary{decorations.markings}
    usetikzlibrary{calc}
    usetikzlibrary{positioning}
    tikzset{zigzag/.style={decorate,decoration=zigzag}}
    begin{document}
    begin{tikzpicture}
    coordinate (c) at (0,-2);
    coordinate (d) at (4,-2);
    coordinate (e) at (2,-4);
    draw[thick,red,zigzag,postaction={
    decoration={
    markings,
    mark=at position 0.7 with coordinate (x);
    mark=at position 0.5 with coordinate (z); %unable to recognize z
    },
    decorate
    }] (-2,0) coordinate(a) -- (2,0) coordinate(b);

    draw[thick,fill=blue!20] (c) -- (b) -- (d) -- (e) -- cycle;
    draw[thick,postaction={
    decoration={
    markings,
    mark = at position 0.7 with coordinate (y);
    },
    decorate
    }] (a) -- (c);
    draw[thick,red,dashed] (x) -- (y);

    node[above = 10ex of z,red] (sn) {singularity};
    end{tikzpicture}
    end{document}


    When I compile this code using PDFLaTeX, I get the following:



    ! Package pgf Error: No shape named z is known.

    See the pgf package documentation for explanation.
    Type H <return> for immediate help.
    ...

    l.32 node[above = 10ex of z,red]
    (sn) {singularity};
    ?


    Please guide me where I am going wrong.










    share|improve this question

























      0












      0








      0








      In decoration, second mark coordinate is not recognized:



        draw[thick,red,zigzag,postaction={
      decoration={
      markings,
      mark=at position 0.7 with coordinate (x);
      mark=at position 0.5 with coordinate (z); %unable to recognize z
      },
      decorate
      }] (-2,0) coordinate(a) -- (2,0) coordinate(b);


      The MWE is as follows:



      documentclass{article}
      usepackage{tikz}
      usetikzlibrary{decorations.pathmorphing}
      usetikzlibrary{decorations.markings}
      usetikzlibrary{calc}
      usetikzlibrary{positioning}
      tikzset{zigzag/.style={decorate,decoration=zigzag}}
      begin{document}
      begin{tikzpicture}
      coordinate (c) at (0,-2);
      coordinate (d) at (4,-2);
      coordinate (e) at (2,-4);
      draw[thick,red,zigzag,postaction={
      decoration={
      markings,
      mark=at position 0.7 with coordinate (x);
      mark=at position 0.5 with coordinate (z); %unable to recognize z
      },
      decorate
      }] (-2,0) coordinate(a) -- (2,0) coordinate(b);

      draw[thick,fill=blue!20] (c) -- (b) -- (d) -- (e) -- cycle;
      draw[thick,postaction={
      decoration={
      markings,
      mark = at position 0.7 with coordinate (y);
      },
      decorate
      }] (a) -- (c);
      draw[thick,red,dashed] (x) -- (y);

      node[above = 10ex of z,red] (sn) {singularity};
      end{tikzpicture}
      end{document}


      When I compile this code using PDFLaTeX, I get the following:



      ! Package pgf Error: No shape named z is known.

      See the pgf package documentation for explanation.
      Type H <return> for immediate help.
      ...

      l.32 node[above = 10ex of z,red]
      (sn) {singularity};
      ?


      Please guide me where I am going wrong.










      share|improve this question














      In decoration, second mark coordinate is not recognized:



        draw[thick,red,zigzag,postaction={
      decoration={
      markings,
      mark=at position 0.7 with coordinate (x);
      mark=at position 0.5 with coordinate (z); %unable to recognize z
      },
      decorate
      }] (-2,0) coordinate(a) -- (2,0) coordinate(b);


      The MWE is as follows:



      documentclass{article}
      usepackage{tikz}
      usetikzlibrary{decorations.pathmorphing}
      usetikzlibrary{decorations.markings}
      usetikzlibrary{calc}
      usetikzlibrary{positioning}
      tikzset{zigzag/.style={decorate,decoration=zigzag}}
      begin{document}
      begin{tikzpicture}
      coordinate (c) at (0,-2);
      coordinate (d) at (4,-2);
      coordinate (e) at (2,-4);
      draw[thick,red,zigzag,postaction={
      decoration={
      markings,
      mark=at position 0.7 with coordinate (x);
      mark=at position 0.5 with coordinate (z); %unable to recognize z
      },
      decorate
      }] (-2,0) coordinate(a) -- (2,0) coordinate(b);

      draw[thick,fill=blue!20] (c) -- (b) -- (d) -- (e) -- cycle;
      draw[thick,postaction={
      decoration={
      markings,
      mark = at position 0.7 with coordinate (y);
      },
      decorate
      }] (a) -- (c);
      draw[thick,red,dashed] (x) -- (y);

      node[above = 10ex of z,red] (sn) {singularity};
      end{tikzpicture}
      end{document}


      When I compile this code using PDFLaTeX, I get the following:



      ! Package pgf Error: No shape named z is known.

      See the pgf package documentation for explanation.
      Type H <return> for immediate help.
      ...

      l.32 node[above = 10ex of z,red]
      (sn) {singularity};
      ?


      Please guide me where I am going wrong.







      tikz-pgf decorations






      share|improve this question













      share|improve this question











      share|improve this question




      share|improve this question










      asked 17 mins ago









      subham sonisubham soni

      3,98882981




      3,98882981






















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