How to make this symbol in TikZ? - TeX

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How to make this symbol in TikZ?

tikz add tag

Anonymous 1123

I want to make symbol like this picture (not contain red color)
![ScreenHunter 860.png](/image?hash=af2646111c30c98f5929b7e477670392372637ef307d74b194d35e369cfe31ed)
I see this style
```
\newcommand{\dd}{
\begin{tikzpicture}[scale=0.08, x=1.0cm,y=1.0cm]
\clip(6,-2.5) rectangle (13,1);
\draw [shift={(8.,-1.)},line width=0.8pt]  plot[domain=1.5707963267949003:5.442116636611619,variable=\t]({1.*1.*cos(\t r)+0.*1.*sin(\t r)},{0.*1.*cos(\t r)+1.*1.*sin(\t r)});
\draw [shift={(11.,-1.)},line width=0.8pt]  plot[domain=-1.5707963267948664:2.300523983021824,variable=\t]({1.*1.*cos(\t r)+0.*1.*sin(\t r)},{0.*1.*cos(\t r)+1.*1.*sin(\t r)});
\draw [line width=0.8pt] (8.666666666666647,-1.7453559924999638)-- (10.333333333333313,-0.2546440074999928);
\end{tikzpicture}}
```

For example

```
\documentclass[12pt,a4paper]{article}
\usepackage[utf8]{inputenc}
\usepackage{amsmath}
\usepackage{amsfonts}
\usepackage{amssymb}
\usepackage{tikz}
\usepackage[left=2cm,right=2cm,top=2cm,bottom=2cm]{geometry}
\newcommand{\dd}{
\begin{tikzpicture}[scale=0.08, x=1.0cm,y=1.0cm]
\clip(6,-2.5) rectangle (13,1);
\draw [shift={(8.,-1.)},line width=0.8pt]  plot[domain=1.5707963267949003:5.442116636611619,variable=\t]({1.*1.*cos(\t r)+0.*1.*sin(\t r)},{0.*1.*cos(\t r)+1.*1.*sin(\t r)});
\draw [shift={(11.,-1.)},line width=0.8pt]  plot[domain=-1.5707963267948664:2.300523983021824,variable=\t]({1.*1.*cos(\t r)+0.*1.*sin(\t r)},{0.*1.*cos(\t r)+1.*1.*sin(\t r)});
\draw [line width=0.8pt] (8.666666666666647,-1.7453559924999638)-- (10.333333333333313,-0.2546440074999928);
\end{tikzpicture}}
\begin{document}
$ABS \dd BCD$
\end{document}
```

How to get a simplyer code?

Top Answer

user 3.14159

Here is something that provides you with a somewhat shorter Ti*k*Z code. The code in the answer is longer because the resulting symbol respects the font size. 

```
\documentclass[12pt,a4paper]{article}
\usepackage[utf8]{inputenc}
\usepackage{amsmath}
\usepackage{amsfonts}
\usepackage{amssymb}
\usepackage{tikz}
\usepackage{scalerel}
\usepackage[left=2cm,right=2cm,top=2cm,bottom=2cm]{geometry}
\newcommand{\myrel}[2][]{\tikzset{my symbols/.cd,#1}%
\mathrel{\scalerel*{\tikzset{my symbols/#2}}{%
	\pgfkeysvalueof{/tikz/my symbols/scaleto}}}}
\newsavebox\myddbox
\sbox\myddbox{\begin{tikzpicture}
\draw[line width=0.8pt,line cap=round] 
	(-0.8ex,0.5ex) arc[start angle=90,end angle=315,radius=0.5ex] 
	-- ({0.8ex+0.5ex*cos(135)},{0.5ex*sin(135)})
	arc[start angle=135,end angle=-90,radius=0.5ex] ;
 \path (0,-0.9ex);	
\end{tikzpicture}}
\tikzset{my symbols/.cd,scaleto/.initial={aa},
dd/.code={\usebox\myddbox}}

\begin{document}
\noindent
$ABS \myrel{dd} BCD$\par\noindent\smallskip
$X_{ABS \myrel{dd} BCD}$\par\noindent\smallskip
{\Large $ABS \myrel{dd} BCD$}\par\noindent\smallskip
{\Huge $ABS \myrel{dd} BCD$}\par\noindent\smallskip
\end{document}
```
![Screen Shot 2020-10-08 at 4.06.40 PM.png](/image?hash=a82fad427a41b13083542803ada4aae2855a816b30288c3814192a5a9b8f42cf)

Answer #2

samcarter

A similar symbol is available as `\backsim` in amssymb:

```
\documentclass{article}

\usepackage{amssymb}
\newcommand{\dd}{\backsim}

\begin{document}
$ABS \dd BCD$
\end{document}
```

![Screen Shot 2020-10-08 at 18.44.36.png](/image?hash=e4999c2f7bc90e495c91f4a15972562f9b926001aaadb93b4e0e0fe6349781cf)

@marmot, re: [your answer](#a1644), I see [here](https://tex.stackexchange.com/questions/96680/a-better-notation-to-denote-arcs-for-an-american-high-school-textbook) and [here](https://tex.stackexchange.com/questions/525148/a-ugly-arc-widearc-wideparen-using-lite-mtpro2)

@marmot, re: [your answer](#a1644), I use this code to draw an `arc` ``` \documentclass{article} \usepackage{graphicx} \makeatletter \DeclareFontFamily{U}{tipa}{} \DeclareFontShape{U}{tipa}{m}{n}{<->tipa10}{} \newcommand{\arc@char}{{\usefont{U}{tipa}{m}{n}\symbol{62}}}% \newcommand{\arc}[1]{\mathpalette\arc@arc{#1}} \newcommand{\arc@arc}[2]{% \sbox0{$\m@th#1#2$}% \vbox{ \hbox{\resizebox{\wd0}{\height}{\arc@char}} \nointerlineskip \box0 }% } \makeatother \begin{document} $\arc{AC}$ $\arc{BAD}$ $\arc{ICK}$ $\arc{GOOD}_{\arc{xyz}}$ \end{document} ``` How can I use `Tikz` to make a syntax for this?

Or maybe `\backsim` ``` \documentclass[12pt,a4paper]{article} \usepackage[utf8]{inputenc} \usepackage{amsmath} \usepackage{amsfonts} \usepackage{amssymb} \usepackage[left=2cm,right=2cm,top=2cm,bottom=2cm]{geometry} \newcommand{\dd}{\backsim} \begin{document} $ABS \dd BCD$ \end{document} ```

How about ``` \documentclass[12pt,a4paper]{article} \usepackage[utf8]{inputenc} \usepackage{amsmath} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{stix} \usepackage[left=2cm,right=2cm,top=2cm,bottom=2cm]{geometry} \newcommand{\dd}{\sinewave} \begin{document} $ABS \dd BCD$ \end{document} ```

``` \documentclass{article} \usepackage{amsmath} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{graphicx} \newcommand{\dd}{\rotatebox[]{90}{\sffamily S}} \begin{document} $ABS \dd BCD$ \end{document} ```

2 Answers