pgf-pie
Does anyone know how to draw a small pie-chart without labels?
\documentclass{article}
\usepackage{tikz}
\usepackage{pgf-pie}
\begin{document}
\begin{tikzpicture}
\pie[
color = {black!10, black!40},radius = 0.5] {37.5, 62.5}
\end{tikzpicture}
\end{document}
Thanks in advance!
I am not aware if pgf-pie is supporting this. Otherwise you can use the following code to create your chart. It could also be used in a newcommand or the pic-environment to make it reusable.
You can adjust the parameters mysegments (number of segements) and myradius (radius of segments) for customization.
\documentclass[tikz, border=5mm]{standalone}
\begin{document}
\begin{tikzpicture}
\def\mysegments{8}
\def\myradius{2}
\foreach \x in {1,...,\mysegments} {
\draw (0,0) --++ (360/\mysegments*\x:\myradius) arc (360/\mysegments*\x:360/\mysegments*(\x+1):\myradius);
\node at (360/\mysegments*\x-180/\mysegments:\myradius/2) {\x};
}
\end{tikzpicture}
\end{document}
Or with 15 segments (\def\mysemgments{15}):
The command \pgfpie@slice defined in pgf-pie.sty to draw circular diagram
\newcommand{\pgfpie@slice}[8]{
\pgfmathparse{0.5*(#1)+0.5*(#2)}
\let\midangle\pgfmathresult
\path (#8) -- ++(\midangle:#5) coordinate(O);
\pgfmathparse{#7+#5}
\let\radius\pgfmathresult
% slice
\draw[line join=round, fill=#6, \style] (O) -- ++(#1:#7) arc (#1:#2:#7) -- cycle;
\pgfmathparse{min(((#2)-(#1)-10)/110*(-0.3),0)}
\let\temp\pgfmathresult
\pgfmathparse{(max(\temp,-0.5) + 0.8)*#7}
\let\innerpos\pgfmathresult
\ifthenelse{\equal{\pgfpie@text}{inside}}
{
% label and number together
\path (O) -- ++(\midangle:\innerpos) node
{\scalefont{#3}\shortstack{#4\\\beforenumber#3\afternumber}};
}
{
% label
\iflegend
\else
\path (O) -- ++ (\midangle:\radius)
node[inner sep=0, \pgfpie@text=\midangle:#4]{};
\fi
% number
\path (O) -- ++(\midangle:\innerpos) node
{\scalefont{#3}\beforenumber#3\afternumber};
}
}
Numbers inside circle are defined with argument #3 of the command \pgfpie@slice, you can for example modify the definition of \beforenumber and \afternumber to obtain a phantom like command to hide numbers
For this you can just add before number=\phantom and after number=
Code
\documentclass{beamer}
\usepackage{pgf-pie}
\usepackage{pstricks}
\begin{document}
\begin{frame}
\begin{tikzpicture}
\pie [explode=0.1,color={blue!70, green!80, red, yellow},before number=\phantom,after number=]
{10/, 20/, 30/, 40/}
\end{tikzpicture}
\end{frame}
\end{document}
Best Answer
Set the
/tikz/nodes={text opacity=0,overlay}as option for\pie.Code: