Drawing from a specific x-axis value to a line intersection then to y-axis












1















Using the following code, how to automate the process of drawing from a specific x-axis point up to the intersection to a line, then to the y-axis.



documentclass{beamer}
beamertemplatenavigationsymbolsempty
usepackage{verbatim}
usepackage{tikz}
usepackage{pgfplots}
begin{document}
begin{frame}[fragile,t]
frametitle{}
begin{tikzpicture}[scale=.8, transform shape]
pgfmathsetmacro{incrmnty}{1.}
pgfmathsetmacro{incrmntx}{2.}
pgfmathsetmacro{xlab}{2006}
pgfmathsetmacro{xn}{5}
pgfmathsetmacro{yn}{5}
begin{scope}[xshift=0cm, yshift=0cm]
draw [thick](0,0) -- (incrmntx*xn+2,0);
node at (incrmntx*xn+2,incrmnty*yn-.4) (endx){};% to compensate for the shift of the x-axis labels, and to draw short from the end of the y-axis
draw [thick](0,0) -- (0,incrmnty*yn);
end{scope}
begin{scope}[xshift=incrmntx*.4cm, yshift=0cm]% to shift the x-axis labels
foreach x [evaluate=x as aff using int(xlab+(1*x))]in {0,...,xn}{draw [black!20!white] (incrmntx*x,0) node [black, xshift=0cm, yshift=-.68cm] {footnotesize aff} -- +(-90:.2);}
end{scope}
draw[blue!40!black, line width=.4mm] (-.1*incrmntx,1.56*incrmnty) -- (endx.center);
draw[blue!80!white, thick, dashed] (incrmntx*xn+.8,0) --+(90:4.26cm) node (aa){} -| (aa.center-|0,0) node [black, xshift=-1cm, yshift=.06cm] {2011 value};
draw[red!40!black, line width=.4mm] (-.1*incrmntx,2.5*incrmnty) -- (endx.center);
draw[red!80!white, thick, dashed] (incrmntx*xn-3.2,0) --+(90:3.7cm) node (bb){} -| (bb.center-|0,0) node [black, xshift=-1cm, yshift=.06cm] {2009 value};
end{tikzpicture}
end{frame}
end{document}


enter image description here










share|improve this question



























    1















    Using the following code, how to automate the process of drawing from a specific x-axis point up to the intersection to a line, then to the y-axis.



    documentclass{beamer}
    beamertemplatenavigationsymbolsempty
    usepackage{verbatim}
    usepackage{tikz}
    usepackage{pgfplots}
    begin{document}
    begin{frame}[fragile,t]
    frametitle{}
    begin{tikzpicture}[scale=.8, transform shape]
    pgfmathsetmacro{incrmnty}{1.}
    pgfmathsetmacro{incrmntx}{2.}
    pgfmathsetmacro{xlab}{2006}
    pgfmathsetmacro{xn}{5}
    pgfmathsetmacro{yn}{5}
    begin{scope}[xshift=0cm, yshift=0cm]
    draw [thick](0,0) -- (incrmntx*xn+2,0);
    node at (incrmntx*xn+2,incrmnty*yn-.4) (endx){};% to compensate for the shift of the x-axis labels, and to draw short from the end of the y-axis
    draw [thick](0,0) -- (0,incrmnty*yn);
    end{scope}
    begin{scope}[xshift=incrmntx*.4cm, yshift=0cm]% to shift the x-axis labels
    foreach x [evaluate=x as aff using int(xlab+(1*x))]in {0,...,xn}{draw [black!20!white] (incrmntx*x,0) node [black, xshift=0cm, yshift=-.68cm] {footnotesize aff} -- +(-90:.2);}
    end{scope}
    draw[blue!40!black, line width=.4mm] (-.1*incrmntx,1.56*incrmnty) -- (endx.center);
    draw[blue!80!white, thick, dashed] (incrmntx*xn+.8,0) --+(90:4.26cm) node (aa){} -| (aa.center-|0,0) node [black, xshift=-1cm, yshift=.06cm] {2011 value};
    draw[red!40!black, line width=.4mm] (-.1*incrmntx,2.5*incrmnty) -- (endx.center);
    draw[red!80!white, thick, dashed] (incrmntx*xn-3.2,0) --+(90:3.7cm) node (bb){} -| (bb.center-|0,0) node [black, xshift=-1cm, yshift=.06cm] {2009 value};
    end{tikzpicture}
    end{frame}
    end{document}


    enter image description here










    share|improve this question

























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      1








      Using the following code, how to automate the process of drawing from a specific x-axis point up to the intersection to a line, then to the y-axis.



      documentclass{beamer}
      beamertemplatenavigationsymbolsempty
      usepackage{verbatim}
      usepackage{tikz}
      usepackage{pgfplots}
      begin{document}
      begin{frame}[fragile,t]
      frametitle{}
      begin{tikzpicture}[scale=.8, transform shape]
      pgfmathsetmacro{incrmnty}{1.}
      pgfmathsetmacro{incrmntx}{2.}
      pgfmathsetmacro{xlab}{2006}
      pgfmathsetmacro{xn}{5}
      pgfmathsetmacro{yn}{5}
      begin{scope}[xshift=0cm, yshift=0cm]
      draw [thick](0,0) -- (incrmntx*xn+2,0);
      node at (incrmntx*xn+2,incrmnty*yn-.4) (endx){};% to compensate for the shift of the x-axis labels, and to draw short from the end of the y-axis
      draw [thick](0,0) -- (0,incrmnty*yn);
      end{scope}
      begin{scope}[xshift=incrmntx*.4cm, yshift=0cm]% to shift the x-axis labels
      foreach x [evaluate=x as aff using int(xlab+(1*x))]in {0,...,xn}{draw [black!20!white] (incrmntx*x,0) node [black, xshift=0cm, yshift=-.68cm] {footnotesize aff} -- +(-90:.2);}
      end{scope}
      draw[blue!40!black, line width=.4mm] (-.1*incrmntx,1.56*incrmnty) -- (endx.center);
      draw[blue!80!white, thick, dashed] (incrmntx*xn+.8,0) --+(90:4.26cm) node (aa){} -| (aa.center-|0,0) node [black, xshift=-1cm, yshift=.06cm] {2011 value};
      draw[red!40!black, line width=.4mm] (-.1*incrmntx,2.5*incrmnty) -- (endx.center);
      draw[red!80!white, thick, dashed] (incrmntx*xn-3.2,0) --+(90:3.7cm) node (bb){} -| (bb.center-|0,0) node [black, xshift=-1cm, yshift=.06cm] {2009 value};
      end{tikzpicture}
      end{frame}
      end{document}


      enter image description here










      share|improve this question














      Using the following code, how to automate the process of drawing from a specific x-axis point up to the intersection to a line, then to the y-axis.



      documentclass{beamer}
      beamertemplatenavigationsymbolsempty
      usepackage{verbatim}
      usepackage{tikz}
      usepackage{pgfplots}
      begin{document}
      begin{frame}[fragile,t]
      frametitle{}
      begin{tikzpicture}[scale=.8, transform shape]
      pgfmathsetmacro{incrmnty}{1.}
      pgfmathsetmacro{incrmntx}{2.}
      pgfmathsetmacro{xlab}{2006}
      pgfmathsetmacro{xn}{5}
      pgfmathsetmacro{yn}{5}
      begin{scope}[xshift=0cm, yshift=0cm]
      draw [thick](0,0) -- (incrmntx*xn+2,0);
      node at (incrmntx*xn+2,incrmnty*yn-.4) (endx){};% to compensate for the shift of the x-axis labels, and to draw short from the end of the y-axis
      draw [thick](0,0) -- (0,incrmnty*yn);
      end{scope}
      begin{scope}[xshift=incrmntx*.4cm, yshift=0cm]% to shift the x-axis labels
      foreach x [evaluate=x as aff using int(xlab+(1*x))]in {0,...,xn}{draw [black!20!white] (incrmntx*x,0) node [black, xshift=0cm, yshift=-.68cm] {footnotesize aff} -- +(-90:.2);}
      end{scope}
      draw[blue!40!black, line width=.4mm] (-.1*incrmntx,1.56*incrmnty) -- (endx.center);
      draw[blue!80!white, thick, dashed] (incrmntx*xn+.8,0) --+(90:4.26cm) node (aa){} -| (aa.center-|0,0) node [black, xshift=-1cm, yshift=.06cm] {2011 value};
      draw[red!40!black, line width=.4mm] (-.1*incrmntx,2.5*incrmnty) -- (endx.center);
      draw[red!80!white, thick, dashed] (incrmntx*xn-3.2,0) --+(90:3.7cm) node (bb){} -| (bb.center-|0,0) node [black, xshift=-1cm, yshift=.06cm] {2009 value};
      end{tikzpicture}
      end{frame}
      end{document}


      enter image description here







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      asked 13 mins ago









      HanyHany

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