问题就在标题里。提前谢谢您。
以下是代码
\documentclass[tikz]{standalone}
\begin{document}
\def\angle{0}
\def\radius{3}
\def\cyclelist{{"orange","blue","red","green"}}
\newcount\cyclecount \cyclecount=-1
\newcount\ind \ind=-1
\begin{tikzpicture}
\foreach \percent/\name in {
32.9/Union,
20.5/SPD,
12.6/AfD,
10.7/FDP,
9.2/Linke,
8.9/Gr{\"u}ne,
5.2/parteilose
} {
\ifx\percent\empty\else
\global\advance\cyclecount by 1
\global\advance\ind by 1
\ifnum3<\cyclecount
\global\cyclecount=0
\global\ind=0
\fi
\pgfmathparse{\cyclelist[\the\ind]}
\edef\color{\pgfmathresult}
\draw[fill={\color!50},draw={\color}] (0,0) -- (\angle:\radius) arc (\angle:\angle+\percent*3.6:\radius) -- cycle;
\node at (\angle+0.5*\percent*3.6:0.7*\radius) {\percent\%};
\node[pin=\angle+0.5*\percent*3.6:\name] at (\angle+0.5*\percent*3.6:\radius) {};
\pgfmathparse{\angle+\percent*3.6}
\xdef\angle{\pgfmathresult}
\fi
};
%\tkzText[above](5){Ergebnisse Bundestagswahl}
\end{tikzpicture}
\end{document}
答案1
这够花哨吗？
\documentclass[tikz,border=3.14pt]{standalone}
\usepackage{tikz}
\usetikzlibrary{fadings}
% from https://tex.stackexchange.com/a/59544/121799
\pgfkeys{%
/piechartthreed/.cd,
scale/.code = {\def\piechartthreedscale{#1}},
mix color/.code = {\def\piechartthreedmixcolor{#1}},
background color/.code = {\def\piechartthreedbackcolor{#1}},
name/.code = {\def\piechartthreedname{#1}}}
\newcommand\piechartthreed[2][]{%
\pgfkeys{/piechartthreed/.cd,
scale = 1,
mix color = gray,
background color = white,
name = pc}
\pgfqkeys{/piechartthreed}{#1}
\begin{scope}[scale=\piechartthreedscale]
\begin{scope}[xscale=5,yscale=3]
\path[preaction={fill=black,opacity=.8,
path fading=circle with fuzzy edge 20 percent,
transform canvas={yshift=-15mm*\piechartthreedscale}}] (0,0) circle (1cm);
\fill[gray](0,0) circle (0.5cm);
\path[preaction={fill=\piechartthreedbackcolor,opacity=.8,
path fading=circle with fuzzy edge 20 percent,
transform canvas={yshift=-10mm*\piechartthreedscale}}] (0,0) circle (0.5cm);
\pgfmathsetmacro\totan{0}
\global\let\totan\totan
\pgfmathsetmacro\bottoman{180} \global\let\bottoman\bottoman
\pgfmathsetmacro\toptoman{0} \global\let\toptoman\toptoman
\begin{scope}[draw=black,thin]
\foreach \an/\col [count=\xi] in {#2}{%
\def\space{ }
\coordinate (\piechartthreedname\space\xi) at (\totan+\an/2:0.75cm);
\ifdim 180pt>\totan pt
\ifdim 0pt=\toptoman pt
\shadedraw[left color=\col!20!\piechartthreedmixcolor,
right color=\col!5!\piechartthreedmixcolor,
draw=black,very thin] (0:.5cm) -- ++(0,-3mm) arc (0:\totan+\an:.5cm)
-- ++(0,3mm) arc (\totan+\an:0:.5cm);
\pgfmathsetmacro\toptoman{180}
\global\let\toptoman\toptoman
\else
\shadedraw[left color=\col!20!\piechartthreedmixcolor,
right color=\col!5!\piechartthreedmixcolor,
draw=black,very thin](\totan:.5cm)-- ++(0,-3mm) arc(\totan:\totan+\an:.5cm)
-- ++(0,3mm) arc(\totan+\an:\totan:.5cm);
\fi
\fi
\fill[\col!20!gray,draw=black] (\totan:0.5cm)--(\totan:1cm) arc(\totan:\totan+\an:1cm)
--(\totan+\an:0.5cm) arc(\totan+\an:\totan :0.5cm);
\pgfmathsetmacro\finan{\totan+\an}
\ifdim 180pt<\finan pt
\ifdim 180pt=\bottoman pt
\shadedraw[left color=\col!20!\piechartthreedmixcolor,
right color=\col!5!\piechartthreedmixcolor,
draw=black,very thin] (180:1cm) -- ++(0,-3mm) arc (180:\totan+\an:1cm)
-- ++(0,3mm) arc (\totan+\an:180:1cm);
\pgfmathsetmacro\bottoman{0}
\global\let\bottoman\bottoman
\else
\shadedraw[left color=\col!20!\piechartthreedmixcolor,
right color=\col!5!\piechartthreedmixcolor,
draw=black,very thin](\totan:1cm)-- ++(0,-3mm) arc(\totan:\totan+\an:1cm)
-- ++(0,3mm) arc(\totan+\an:\totan:1cm);
\fi
\fi
\pgfmathsetmacro\totan{\totan+\an} \global\let\totan\totan
}
\end{scope}
\draw[thin,black](0,0) circle (0.5cm);
\end{scope}
\end{scope}
}
%
\tikzset{CastShadow/.style={anchor=south,inner sep=0,font=\sffamily\Huge}}
\newcommand{\CastShadow}[2][]{
\node[CastShadow,#1]{#2};
\node[scope fading=south,opacity=0.4,yscale=-1,CastShadow,#1]{#2};
}
\begin{document}
\begin{tikzpicture}
\piechartthreed[scale=0.8,
background color=orange!50,
mix color= darkgray]
{32.9*3.6/black,20.5*3.6/red,12.6*3.6/blue,10.7*3.6/yellow,
9.2*3.6/pink,8.9*3.6/green!50!black,5.2*3.6/orange}
\foreach \i in {1,...,7} { \fill (pc \i) circle (.5mm);}
\draw[darkgray] (pc 1) -- ++(5,0) coordinate (s1) node[anchor=south east]
{Union}
node[anchor=north east] {32.9\%};
\draw[darkgray] (pc 2) -- ++(-2,1) -- ++(-2,0) coordinate (s2) node[anchor=south west] {SPD}
node[anchor=north west] {20.5\%};
\draw[darkgray] (pc 3) -- ++(-4,0) coordinate (s3) node[anchor=south west] {AfD}
node[anchor=north west] {12.6\%};
\draw[darkgray] (pc 4) -- ++(-1,-1) coordinate (s4) --(s4 -| s3)
node[anchor=south west] {FDP}
node[anchor=north west]
{10.7\%};
\draw[darkgray] (pc 5) -- ++(2,-1) coordinate (s5) -- (s5 -| s1) node[anchor=south east] {Linke}
node[anchor=north east]
{9.8\%};
\draw[darkgray] (pc 6) -- ++(2,-0.5) coordinate (s6) -- (s6 -| s1) node[anchor=south east] {Gr{\"u}ne}
node[anchor=north east]
{8.9\%};
\draw[darkgray] (pc 7) -- (pc 7 -| s1) node[anchor=south east] {parteilose}
node[anchor=north east]
{5.2\%};
\CastShadow[at={(0,5)}]{Ergebnisse Bundestagswahl}
\end{tikzpicture}
\end{document}