2

I am working on this "graph" in tikz, and I would like to know how I can add crossing-out (and not dashed) below the threshold $\mu_A$ (from the beginning of the arrow, until the dot $\mu_A$), such as to explain that $mu$ doesn't go below this threshold. I put the picture of the code I get, associated with the code, and also a drawing of what I would like to get. objective step2

\begin{tikzpicture}[y=1cm, x=1cm, thick, font=\footnotesize]    
% axis
\draw [dashed] [line width=1.2pt] (0,0) -- (3,0);  
\draw [line width=1.2pt, ->, >=latex']  (3,0) --  coordinate (x axis) (10,0) [solid]; 

% time points
\draw (3,-4pt) coordinate (Ans)          -- (3,4pt) node[anchor=south] {$\mu_A$};
\draw (5,-4pt) coordinate (dev)      -- (5,4pt) node[anchor=south] {$\mu_{B}$};
\draw (7,-4pt) coordinate (Re) -- (7,4pt) node[anchor=south] {$\mu_{C}$};

% curly braces 
\draw[decorate,decoration={brace,amplitude=3pt,mirror}] 
    (3,-2.5) coordinate (Ans_unten) -- (5,-2.5) coordinate (dev_unten); 
\node at (4,-3){$\triangle^{\text{opt}}$};
\draw[decorate,decoration={brace,amplitude=3pt,mirror}] 
    (dev_unten) -- (7,-2.5) coordinate (Re_unten); 
\node at (6,-3){$\triangle^{\text{impl}}$};

% vertical dotted lines
\draw[dotted] (Ans)          -- (Ans_unten);
\draw[dotted] (dev)      -- (dev_unten);
\draw[dotted] (Re) -- (Re_unten);
\end{tikzpicture}
Pauline
  • 33
  • 1
    Your question is not clear to me. Can you describe the desired result in some more detail? If you could post an image (even a drawing made by hand) of the intended result, that would be great! – Gonzalo Medina Nov 19 '14 at 17:50

1 Answers1

3

Please always post complete documents and not just code snippets.

Below I present two possible options:

  1. Using a simple \foreach loop to \draw the crossing-out lines:

    enter image description here

    The code:

    \documentclass{article}
\usepackage{amsmath}
\usepackage{tikz}
\usetikzlibrary{arrows,decorations.pathreplacing,patterns}

\begin{document}

\begin{tikzpicture}[y=1cm, x=1cm, thick, font=\footnotesize]    
% axis
\draw[line width=1.2pt, ->, >=latex'](0,0) -- (3,0) -- coordinate (x axis) (10,0);       

% time points
\draw (3,-4pt) coordinate (Ans)          -- (3,4pt) node[anchor=south] {$\mu_A$};
\draw (5,-4pt) coordinate (dev)      -- (5,4pt) node[anchor=south] {$\mu_{B}$};
\draw (7,-4pt) coordinate (Re) -- (7,4pt) node[anchor=south] {$\mu_{C}$};

% curly braces
\draw[decorate,decoration={brace,amplitude=3pt,mirror}] 
    (3,-2.5) coordinate (Ans_unten) -- (5,-2.5) coordinate (dev_unten); 
\node at (4,-3){$\triangle^{\text{opt}}$};
\draw[decorate,decoration={brace,amplitude=3pt,mirror}] 
    (dev_unten) -- (7,-2.5) coordinate (Re_unten); 
\node at (6,-3){$\triangle^{\text{impl}}$};

% vertical dotted lines
\draw[dotted] (Ans)          -- (Ans_unten);
\draw[dotted] (dev)      -- (dev_unten);
\draw[dotted] (Re) -- (Re_unten);

% the crossing-out lines
\foreach \Step in {0,0.30,...,3}
  \draw[ultra thick] (\Step cm-7pt,7pt) -- (\Step cm+7pt,-7pt);
\end{tikzpicture}

\end{document}

  2. Using a custom pattern (requires the patterns library):

    enter image description here

    The code:

    \documentclass{article}
\usepackage{amsmath}
\usepackage{tikz}
\usetikzlibrary{arrows,decorations.pathreplacing,patterns}

% defining the new dimensions and parameters
\newlength{\hatchspread}
\newlength{\hatchthickness}
\newlength{\hatchshift}
\newcommand{\hatchcolor}{}
% declaring the keys in tikz
\tikzset{hatchspread/.code={\setlength{\hatchspread}{#1}},
         hatchthickness/.code={\setlength{\hatchthickness}{#1}},
         hatchshift/.code={\setlength{\hatchshift}{#1}},% must be >= 0
         hatchcolor/.code={\renewcommand{\hatchcolor}{#1}}}
% setting the default values
\tikzset{hatchspread=3pt,
         hatchthickness=0.4pt,
         hatchshift=0pt,% must be >= 0
         hatchcolor=black}
% declaring the pattern
\pgfdeclarepatternformonly[\hatchspread,\hatchthickness,\hatchshift,\hatchcolor]% variables
   {custom north west lines}% name
   {\pgfqpoint{\dimexpr-2\hatchthickness}{\dimexpr-2\hatchthickness}}% lower left corner
   {\pgfqpoint{\dimexpr\hatchspread+2\hatchthickness}{\dimexpr\hatchspread+2\hatchthickness}}% upper right corner
   {\pgfqpoint{\dimexpr\hatchspread}{\dimexpr\hatchspread}}% tile size
   {% shape description
    \pgfsetlinewidth{\hatchthickness}
    \pgfpathmoveto{\pgfqpoint{0pt}{\dimexpr\hatchspread+\hatchshift}}
    \pgfpathlineto{\pgfqpoint{\dimexpr\hatchspread+0.15pt+\hatchshift}{-0.15pt}}
    \ifdim \hatchshift > 0pt
      \pgfpathmoveto{\pgfqpoint{0pt}{\hatchshift}}
      \pgfpathlineto{\pgfqpoint{\dimexpr0.15pt+\hatchshift}{-0.15pt}}
    \fi
    \pgfsetstrokecolor{\hatchcolor}
%    \pgfsetdash{{1pt}{1pt}}{0pt}% dashing cannot work correctly in all situation this way
    \pgfusepath{stroke}
   }

\begin{document}

\begin{tikzpicture}[y=1cm, x=1cm, thick, font=\footnotesize]    
% axis
\draw[line width=1.2pt, ->, >=latex'](0,0) -- (3,0) -- coordinate (x axis) (10,0);       

% time points
\draw (3,-4pt) coordinate (Ans)          -- (3,4pt) node[anchor=south] {$\mu_A$};
\draw (5,-4pt) coordinate (dev)      -- (5,4pt) node[anchor=south] {$\mu_{B}$};
\draw (7,-4pt) coordinate (Re) -- (7,4pt) node[anchor=south] {$\mu_{C}$};

% curly braces
\draw[decorate,decoration={brace,amplitude=3pt,mirror}] 
    (3,-2.5) coordinate (Ans_unten) -- (5,-2.5) coordinate (dev_unten); 
\node at (4,-3){$\triangle^{\text{opt}}$};
\draw[decorate,decoration={brace,amplitude=3pt,mirror}] 
    (dev_unten) -- (7,-2.5) coordinate (Re_unten); 
\node at (6,-3){$\triangle^{\text{impl}}$};

% vertical dotted lines
\draw[dotted] (Ans)          -- (Ans_unten);
\draw[dotted] (dev)      -- (dev_unten);
\draw[dotted] (Re) -- (Re_unten);

% the crossing-out lines
\fill[pattern=custom north west lines,hatchspread=8pt,hatchthickness=1pt,] 
  (0pt,7pt) rectangle (3,-7pt);
\end{tikzpicture}

\end{document}

    To define the new pattern, I used Philippe Goutet's answer to Custom and built in TikZ fill patterns.

Community
  • 1
Gonzalo Medina
  • 505,128