QuickLaTeX: tikZ graphics

QuickLaTeX is free online service which allows LaTeX usage on the web pages.

QuickLaTeX supports tikZ graphics since version 3.7.1.

User can insert tikZ code snippets directly on the page (in WordPress editor) between \begin{tikzpicture} ... \end{tikzpicture} commands. QuickLaTeX will render it into image and place on the page.

By default, tikz is not included into QuickLaTeX preamble, so user has to include tikz package in the local preamble manually using [+preamble] ... [/preamble] shortcodes.

Let’s check few examples. Plotting:


% Include tikz into local preamble
         axis equal,
         grid style={dashed,gray!30},
         xmin=-2, xmax=2,
         ymin=-1.5, ymax=3.5,
         axis lines=middle,
         xlabel style={below, anchor=north east,inner xsep=0pt},
         ylabel style={above,anchor=north east,inner ysep=0pt},
         %legend cell align=left,
         %legend pos=outer north east,
         legend style={at={(1,1)},xshift=0cm,anchor=north east,nodes=right,fill=none}
 \addplot[red,name path=f1,mark=none,domain=-2:2,line legend,thick] {3-x^2};

 \addplot[blue,name path=f2,mark=none,domain=-1.4:1.4, line legend,thick] {3*x^2-1};

\path[name path=lower,intersection segments={of=f1 and f2,sequence=B0 --A1}];
\addplot[pattern=north west lines, pattern color=green]fill between[of=f2 and lower];

QuickLaTeX will render it on the page as:

Rendered by QuickLaTeX.com

A little more elaborate example is Rotated triangle by Martin Scharrer:

    \coordinate (A) at (0,0);
    \coordinate (B) at (-60:12cm);
    \coordinate (C) at (240:12cm);
    \foreach \density in {20,30,...,160}{%
        \draw[fill=MidnightBlue!\density] (A)--(B)--(C)--cycle;
             (A) coordinate (X)
          -- (B) coordinate[pos=.15](A)
          -- (C) coordinate[pos=.15](B)
          -- (X) coordinate[pos=.15](C);

Rendered by QuickLaTeX.com

User can scale drawings with \begin{tikzpicture}[scale=N] .... \end{tikzpicture} as usual, e.g. [scale=0.5]:

Rendered by QuickLaTeX.com

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  1. sadfdf
    Posted May 14, 2017 at 10:33 pm | #

    can’t display:

    Rendered by QuickLaTeX.com

    • Posted May 17, 2017 at 9:30 am | #

      Somehow new version of TikZ doesn’t work with [scale=2]. If we remove it – everything works fine (as you see).

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