[Tex/LaTex] TikZ grid inside a circle

gridstikz-pgf

any idea how I could draw an even grid inside a circle in TikZ? I could manually add invisible nodes on the circumferences and connect these with lines but there is probably a more sophisticated way to do this?

Best Answer

Use the TikZ macro \clip to 'cut' out everything outside of a given path, which is the circle here, later on, draw the grid as 'usual' with draw ... grid ...

\documentclass{article}

\usepackage{tikz}

\usetikzlibrary{calc}

\begin{document}
\begin{tikzpicture}
\clip[draw] circle (5cm);
\draw (-5,-5) grid (5,5);
\end{tikzpicture}

\end{document}

Related Solutions

[Tex/LaTex] Tikz Polar Grid

You could use PGFplots (version 1.5) for this. It can draw polar axes with very flexible customisation possibilities:

\documentclass{article}
\usepackage{pgfplots}
\usepgfplotslibrary{polar}

\begin{document}
\begin{tikzpicture}
\begin{polaraxis}[
    width=40cm,
    xmin=160,xmax=200,
    ymin=2,ymax=3,
    yticklabels={},
    xtick={160,165,...,200},
    xticklabels={160,165,...,180,-175,-170,...,-160},
    minor tick num=4,   
    grid=both,
    minor grid style=black!25,
    major grid style={black!75,thick}]
\addplot coordinates {(0,1) (90,1)
(180,1) (270,1)};
\end{polaraxis}
\end{tikzpicture}

\end{document}

[Tex/LaTex] Pacman circle in TikZ

edit:

consider Kpym comments let expanded one "paceman" to set of them with different orientation, size, rotation and colors....

\documentclass[tikz, margin=3mm]{standalone}
\usepackage{geometry}
\usepackage{tikz}

\begin{document}
\begin{tikzpicture}%[scale=...]
  \draw[thick,fill=yellow]
    (0,0) -- (30:1cm) arc (30:330:1cm) -- cycle;
  \fill (0,0.66) circle (1.5mm);
\end{tikzpicture}\quad
\begin{tikzpicture}[xscale=-1]
  \draw[thick,fill=yellow]
    (0,0) -- (30:1cm) arc (30:330:1cm) -- cycle;
  \fill (0,2/3) circle (1.5mm);
\end{tikzpicture}\quad 
\begin{tikzpicture}[scale=-1]
  \draw[thick,fill=yellow]
    (0,0) -- (30:1cm) arc (30:330:1cm) -- cycle;
  \fill (0,2/3) circle (1.5mm);
\end{tikzpicture}\quad 
\begin{tikzpicture}[yscale=-1]
  \draw[thick,fill=yellow]
    (0,0) -- (30:1cm) arc (30:330:1cm) -- cycle;
  \fill (0,2/3) circle (1.5mm);
\end{tikzpicture}\quad 
\begin{tikzpicture}[scale=0.75,rotate=-45]
  \draw[thick,fill=yellow!50!orange]
    (0,0) -- (30:1cm) arc (30:330:1cm) -- cycle;
  \fill (0,2/3) circle (1.5mm);
\end{tikzpicture}\quad 
\begin{tikzpicture}[xscale=-0.75,yscale=0.75, rotate=45]
  \draw[thick,fill=orange]
    (0,0) -- (30:1cm) arc (30:330:1cm) -- cycle;
  \fill (0,2/3) circle (1.5mm);
\end{tikzpicture}\quad 
\begin{tikzpicture}[scale=-0.75, rotate=90]
  \draw[thick,fill=olive]
    (0,0) -- (30:1cm) arc (30:330:1cm) -- cycle;
  \fill (0,2/3) circle (1.5mm);
\end{tikzpicture}
\end{document}

size and orientation of "pacman" (as you can see) you can adopt to your wishes with scaling with scale=..., xscale=..., yscale=..., rotate=... in any combination.

edit (2):

another idea is to define "paceman" as \newcommand and use it in document also out of tikzpicture environment:

 \documentclass{article}
\usepackage{geometry}
\usepackage{tikz}

\newcommand\pacman[2]{\tikz[baseline, #1]{%
    \draw[thick,fill=#2]
    (0,0) -- (30:1cm) arc (30:330:1cm) -- cycle;
    \fill (0,2/3) circle (1.5mm);}
                       } 
\begin{document}
\pacman{scale=1}{yellow}\quad
\pacman{xscale=-1}{yellow}\quad 
\pacman{scale=-1}{yellow}\quad
\pacman{yscale=-1}{yellow}\quad

\begin{tikzpicture}
\pacman{scale=0.75,rotate=-45}{yellow!50!orange}\quad 
\pacman{xscale=-0.75,yscale=0.75, rotate=45}{orange}
\end{tikzpicture}
 \end{document}

Best Answer

Related Solutions

[Tex/LaTex] Tikz Polar Grid

[Tex/LaTex] Pacman circle in TikZ

Related Question