* [http://cremeronline.com/LaTeX/minimaltikz.pdf A very minimal introduction to TikZ]
 * [http://www.math.uni-leipzig.de/~hellmund/LaTeX/pgf-tut.pdf PGF/TikZ - Graphics for LATEX]

[LaTeXWorkshop/2017|공주대학교 문서작성 워크숍 2017]에서 집중적으로 다루었으며, 좋은 가이드북과 예제들이 많다. 

 * Example: 스마일
    attachment:tikz-smile.png?width=300
   * tikz codes:{{{
\documentclass{standalone}
\usepackage{tikz}
\begin{document}
\begin{tikzpicture}[line width=1.6pt]
%\draw [help lines] (0,0) grid (2,2);
\draw [fill=yellow]      (1,1) circle (1cm);
\draw ([shift=(193:.75cm)]1,1) arc    (193:347:.75cm);
\draw plot [domain=.15:.35]   (\x,{2/3*(\x+1)});
\draw plot [domain=1.65:1.85] (\x,{-2/3*\x+2)});
\filldraw (.6,1.3)  ellipse (.15cm and .25cm);
\filldraw (1.4,1.3) ellipse (.15cm and .25cm);
\path [fill=white] (.55,1.4)  circle (1.5pt);
\path [fill=white] (1.35,1.4) circle (1.5pt);
\end{tikzpicture}
\end{document}
}}}
   * pstricks codes: [http://faq.ktug.org/faq/IsCho/PSTricks 여기]에서 가져옴.{{{
\documentclass[dvips]{oblivoir}
\usepackage{pstricks-add}
\begin{document}
\begin{pspicture}[showgrid=false](-1,-1)(3,2)
  %\psaxes[ticks=none]{->}(-.5,-.5)(-1,-1)(2.5,3)
  \psset{linewidth=1.5pt,fillstyle=solid}
  \pscircle[fillcolor=yellow](1,1){1cm}
  \psarc[fillcolor=yellow](1,1){0.75}{193}{347}
  \psplot[algebraic]{1.65}{1.85}{-2/3*x+2}
  \psplot[algebraic]{0.15}{0.35}{2/3*(x+1)}
  \psellipse[fillcolor=black](.6,1.3)(.15,.25)
  \psellipse[fillcolor=black](1.4,1.3)(.15,.25)
  \pscircle[fillcolor=white](.55,1.4){.8mm}
  \pscircle[fillcolor=white](1.35,1.4){.8mm}
\end{pspicture}
\end{document}
}}}

 * Example: 태극기
    attachment:tageug.png
  * tikz codes: attachment:tikz-taegeug.tex {{{
\documentclass{standalone}

\usepackage{tikz}
%\usepackage{xcolor}
\definecolor{tgred}{RGB}{197,31,50}
\definecolor{tgblue}{RGB}{33,59,116}

\begin{document}

\begin{tikzpicture}[scale=3]
%% 보조선
%\draw [help lines,step=.5] (-1.5,-1) grid (1.5,1);
\draw [densely dashed] (-1.5,1) -- (1.5,-1);
\draw [densely dashed] (-1.5,-1) -- (1.5,1);
\draw [densely dashed] (0,0) circle (.75);

%% 테두리
\draw [semithick] (-1.5,-1) rectangle (1.5,1); % 3:2

%% 태극
\fill [tgred]  (0,0) circle (.5);
\fill [tgblue] (0,0) arc (-atan(2/3):-atan(2/3)-180:1/4)
                     arc (-atan(2/3)-180:-atan(2/3):1/2) % blue
                     arc (-atan(2/3):-atan(2/3)+180:1/4) 
                     -- cycle ;
%% 태극 (alternative)
%\fill [tgblue] (0,0) circle (.5);
%\fill [tgred]  (0,0) arc (-atan(2/3):-atan(2/3)-180:1/4)
%                     arc (-atan(2/3)+180:-atan(2/3):1/2) % red
%                     arc (-atan(2/3):-atan(2/3)+180:1/4) 
%                     -- cycle ;

%% 괘
\begin{scope}[rotate={90-atan(2/3)}]
\fill (-12/48,36/48) rectangle % 36/48=1/2+1/4, 12/48=.5*1/2
      (12/48,{(36+4)/48});
\fill (-12/48,42/48) rectangle 
      (12/48,{(42+4)/48});
\fill (-12/48,48/48) rectangle 
      (12/48,{(48+4)/48});
\end{scope}

\begin{scope}[rotate={90+atan(2/3)}]
\fill (-12/48,36/48) rectangle 
      (12/48,{(36+4)/48});
\fill (-12/48,42/48) rectangle 
      (-1/48,{(42+4)/48}) (1/48,42/48) rectangle %
      (12/48,{(42+4)/48});
\fill (-12/48,48/48) rectangle 
      (12/48,{(48+4)/48});
\end{scope}

\begin{scope}[rotate={-90+atan(2/3)}]
\fill (-12/48,36/48) rectangle 
      (-1/48,{(36+4)/48}) (1/48,36/48) rectangle %
      (12/48,{(36+4)/48});
\fill (-12/48,42/48) rectangle 
      (12/48,{(42+4)/48});
\fill (-12/48,48/48) rectangle 
      (-1/48,{(48+4)/48}) (1/48,48/48) rectangle %
      (12/48,{(48+4)/48});
\end{scope}

\begin{scope}[rotate={-90-atan(2/3)}]
\fill (-12/48,36/48) rectangle 
      (-1/48,{(36+4)/48}) (1/48,36/48) rectangle %
      (12/48,{(36+4)/48});
\fill (-12/48,42/48) rectangle 
      (-1/48,{(42+4)/48}) (1/48,42/48) rectangle %
      (12/48,{(42+4)/48});
\fill (-12/48,48/48) rectangle 
      (-1/48,{(48+4)/48}) (1/48,48/48) rectangle %
      (12/48,{(48+4)/48});
\end{scope}
\end{tikzpicture}

\end{document}
}}}


 * Example: 각도기 [[https://images.app.goo.gl/or6BhSwFYTSrg1UH6 각도기 샘플(googl image)]]
    attachment:tikz-protractor_ktug.png
  * tikz codes: attachment:tikz-protractor_ktug.tex {{{
\documentclass[border=2mm]{standalone}

\usepackage{tikz}

\begin{document}

\begin{tikzpicture}[thick,font=\sffamily\large]
%% 자
\path [fill=gray!25] (-8.5,0) rectangle (8.5,-3);
\foreach \ticksA in {8,7.9,...,-8}
  \draw [semithick] (\ticksA,-3) -- (\ticksA,-2.5);
\foreach \ticksB in {7.5,7,...,-7.5}
  \draw (\ticksB,-3) -- (\ticksB,-2.3);
\foreach \ticksC in {8,7,...,-7}
  \draw (\ticksC,-3) -- (\ticksC,-2);
\foreach \x [count=\n] in {7,6,...,-7}
  \draw (\x,-1.8) node [below,rotate=180] {\n};
\draw (8,-1.8) node [below right,rotate=180,inner xsep=0pt] {mm};
%% 각도기: 배경
\path [fill=gray!25] ([shift={(190:80mm)}]0,0) arc (190:-10:80mm);
\path [fill=white] ([shift={(0:25mm)}]0,0) arc (0:180:25mm) 
                -- (180:55mm) arc (180:0:55mm) -- cycle; 
%% 각도기: ticks
\foreach \angA in {0,1,...,180}
  \draw (\angA:80mm) -- (\angA:76mm);
\foreach \angB in {0,5,...,180}
  \draw (\angB:80mm) -- (\angB:73mm);
\foreach \angBx in {0,10,...,180}
  \draw (\angBx:70mm) node [rotate=-90+\angBx] {\angBx};
\foreach \angC[count=\i from 0] in {180,170,...,0}
{ \draw [line width=.7mm] (\angC:60mm) -- (\angC:55mm);
  \pgfmathsetmacro\xi{int(\i*10)}
%  \pgfmathtruncatemacro\xi{(\i*10)} % (alternative)
  \draw (\angC:63mm)
        node [rotate=-90+\angC] {\xi};}
%% center
\path [fill=white] (0,0) circle (4mm);
\foreach \angR in {0,90,180,270}
\draw [line width=1mm] (\angR:5mm) -- (\angR:12mm);
\end{tikzpicture}

\end{document}
}}}