我发现这里此代码对我来说非常有用，但我遇到标签太长（5-6 个字）的问题，因此我从代码中删除了名称标签，并且我想在饼图的右侧添加图例，该图例将与饼图中使用的颜色相对应。
\documentclass{article}
\usepackage{tikz}
\usepackage{color}
\usepackage{xcolor}
\usetikzlibrary{arrows}
\begin{document}
% Adjusts the size of the wheel:
\def\innerradius{1.8cm}
\def\outerradius{2.2cm}
% The main macro
\newcommand{\wheelchartwithlegend}[1]{
% Calculate total
\pgfmathsetmacro{\totalnum}{0}
\foreach \value/\colour/\name in {#1} {
\pgfmathparse{\value+\totalnum}
\global\let\totalnum=\pgfmathresult
}
\begin{tikzpicture}
% Calculate the thickness and the middle line of the wheel
\pgfmathsetmacro{\wheelwidth}{\outerradius-\innerradius}
\pgfmathsetmacro{\midradius}{(\outerradius+\innerradius)/2}
% Rotate so we start from the top
\begin{scope}[rotate=90]
% Loop through each value set. \cumnum keeps track of where we are in the wheel
\pgfmathsetmacro{\cumnum}{0}
\foreach \value/\colour/\name in {#1} {
\pgfmathsetmacro{\newcumnum}{\cumnum + \value/\totalnum*360}
% Calculate the percent value
% \pgfmathsetmacro{\percentage}{\value/\totalnum*100}
\pgfmathsetmacro{\percentage}{\value}
% Calculate the mid angle of the colour segments to place the labels
\pgfmathsetmacro{\midangle}{-(\cumnum+\newcumnum)/2}
% This is necessary for the labels to align nicely
\pgfmathparse{
(-\midangle<180?"west":"east")
} \edef\textanchor{\pgfmathresult}
\pgfmathsetmacro\labelshiftdir{1-2*(-\midangle>180)}
% Draw the color segments. Somehow, the \midrow units got lost, so we add 'pt' at the end. Not nice...
\fill[\colour] (-\cumnum:\outerradius) arc (-\cumnum:-(\newcumnum):\outerradius) --
(-\newcumnum:\innerradius) arc (-\newcumnum:-(\cumnum):\innerradius) -- cycle;
% Draw the data labels
\draw [*-,thin] node [append after command={(\midangle:\midradius pt) -- (\midangle:\outerradius + 1ex) -- (\tikzlastnode)}] at (\midangle:\outerradius + 1ex) [xshift=\labelshiftdir*0.5cm,inner sep=0pt, outer sep=0pt, ,anchor=\textanchor]{\pgfmathprintnumber{\percentage}\%};
% Set the old cumulated angle to the new value
\global\let\cumnum=\newcumnum
}
\end{scope}
\end{tikzpicture}
}
\definecolor{A0}{HTML}{A4DA90}
\definecolor{A1}{HTML}{81C269}
\definecolor{A2}{HTML}{74AA61}
\definecolor{B0}{HTML}{ECEB80}
\definecolor{B1}{HTML}{CFCD56}
\definecolor{C0}{HTML}{9D7AB3}
\definecolor{C1}{HTML}{845A9E}
\definecolor{D0}{HTML}{7E8BB4}
\definecolor{D1}{HTML}{5E6FA0}
\definecolor{E0}{HTML}{8D80B7}
\definecolor{E1}{HTML}{6F61A3}
\wheelchartwithlegend{
49/A0/{\footnotesize Lorem ipsum dolor sit amet},
44/B0/{\footnotesize Ut enim ad minim veniam},
50/C0/{\footnotesize Quis nostrud exercitation ullamco laboris},
36/D0/{\footnotesize Nisi ut aliquip ex ea commodo consequat},
28/E0/{\footnotesize Duis aute irure dolor in reprehenderit },
11/A1/{\footnotesize Voluptate velit esse cillum},
28/B1/{\footnotesize Dolore eu fugiat nulla pariatur},
31/C1/{\footnotesize Excepteur sint occaecat cupidatat non proident, sunt.}/
}
\end{document}
目前这会产生如下结果：
答案1
您的代码只需添加三处小内容：
\foreach [count=\i,remember=\i as \j (initially 0)] ..：每个图例条目都是一个名为的节点L-\i，并使用前一个节点作为参考进行放置。因此，我们需要以\i某种方式减一。remember语句是实现此目的的一种方法。确定
coordinate左上角的第一的图例条目：\coordinate (L-0) at (\outerradius+5mm,-\outerradius-2.5cm);的用途
\outerradius是将图例相对于轮子进行定位。A
\node并\fill制作图例：% add legend node \node [anchor=north west,text width=5cm,font=\footnotesize] (L-\i) at (L-\j.south west) {\name}; % draw legend image \fill [fill=\colour] ([xshift=-3pt,yshift=1mm]L-\i.north west) rectangle ++(-2mm,5mm);text width根据您的需要进行调整。（因为我添加了，所以我删除了从输入到宏的
font=\footnotesize所有命令。）\footnotesize
哦，因为tikz加载xcolor，进而加载color，我从你的序言中删除了后两个包。
\documentclass[border=5mm]{standalone}
\usepackage{tikz}
\usetikzlibrary{arrows.meta}
% Adjusts the size of the wheel:
\def\innerradius{1.8cm}
\def\outerradius{2.2cm}
\definecolor{A0}{HTML}{A4DA90}
\definecolor{A1}{HTML}{81C269}
\definecolor{A2}{HTML}{74AA61}
\definecolor{B0}{HTML}{ECEB80}
\definecolor{B1}{HTML}{CFCD56}
\definecolor{C0}{HTML}{9D7AB3}
\definecolor{C1}{HTML}{845A9E}
\definecolor{D0}{HTML}{7E8BB4}
\definecolor{D1}{HTML}{5E6FA0}
\definecolor{E0}{HTML}{8D80B7}
\definecolor{E1}{HTML}{6F61A3}
% The main macro
\newcommand{\wheelchartwithlegend}[1]{
% Calculate total
\pgfmathsetmacro{\totalnum}{0}
\foreach \value/\colour/\name in {#1} {
\pgfmathparse{\value+\totalnum}
\global\let\totalnum=\pgfmathresult
}
\begin{tikzpicture}
% Calculate the thickness and the middle line of the wheel
\pgfmathsetmacro{\wheelwidth}{\outerradius-\innerradius}
\pgfmathsetmacro{\midradius}{(\outerradius+\innerradius)/2}
% Rotate so we start from the top
\begin{scope}[rotate=90]
% add coordinate to define the upper left starting point of the legend entries
\coordinate (L-0) at (\outerradius+5mm,-\outerradius-2.5cm);
% Loop through each value set. \cumnum keeps track of where we are in the wheel
\pgfmathsetmacro{\cumnum}{0}
\foreach [count=\i,remember=\i as \j (initially 0)] \value/\colour/\name in {#1} {
\pgfmathsetmacro{\newcumnum}{\cumnum + \value/\totalnum*360}
% Calculate the percent value
% \pgfmathsetmacro{\percentage}{\value/\totalnum*100}
\pgfmathsetmacro{\percentage}{\value}
% Calculate the mid angle of the colour segments to place the labels
\pgfmathsetmacro{\midangle}{-(\cumnum+\newcumnum)/2}
% This is necessary for the labels to align nicely
\pgfmathparse{
(-\midangle<180?"west":"east")
} \edef\textanchor{\pgfmathresult}
\pgfmathsetmacro\labelshiftdir{1-2*(-\midangle>180)}
% Draw the color segments. Somehow, the \midrow units got lost, so we add 'pt' at the end. Not nice...
\fill[\colour] (-\cumnum:\outerradius) arc (-\cumnum:-(\newcumnum):\outerradius) --
(-\newcumnum:\innerradius) arc (-\newcumnum:-(\cumnum):\innerradius) -- cycle;
% Draw the data labels
\draw [Circle-,thin] node [append after command={(\midangle:\midradius pt) -- (\midangle:\outerradius + 1ex) -- (\tikzlastnode)}] at (\midangle:\outerradius + 1ex) [xshift=\labelshiftdir*0.5cm,inner sep=0pt, outer sep=0pt, ,anchor=\textanchor]{\pgfmathprintnumber{\percentage}\%};
% add legend node
\node [anchor=north west,text width=5cm,font=\footnotesize] (L-\i) at (L-\j.south west) {\name};
% draw legend image
\fill [fill=\colour] ([xshift=-3pt,yshift=1mm]L-\i.north west) rectangle ++(-2mm,5mm);
% Set the old cumulated angle to the new value
\global\let\cumnum=\newcumnum
}
\end{scope}
\end{tikzpicture}
}
\begin{document}
\wheelchartwithlegend{
49/A0/{Lorem ipsum dolor sit amet},
44/B0/{Ut enim ad minim veniam},
50/C0/{Quis nostrud exercitation ullamco laboris},
36/D0/{Nisi ut aliquip ex ea commodo consequat},
28/E0/{Duis aute irure dolor in reprehenderit },
11/A1/{Voluptate velit esse cillum},
28/B1/{Dolore eu fugiat nulla pariatur},
31/C1/{Excepteur sint occaecat cupidatat non proident, sunt.}
}
\end{document}
答案2
这轮图我写的包，可以使用。
百分比是通过 获得的\WCperc。
图例由键决定legend。这是一个tabular放置在 中的\node。行由键决定legend row。可以使用 获得所有行的结果\WClegend。
使用 键可得到倾斜的线条lines。使用 键可得到线条的水平延伸lines ext。
线条开头的点是通过给予键的装饰获得的lines style。
\documentclass[border=6pt]{standalone}
\usepackage{wheelchart}
\usetikzlibrary{decorations.markings}
\definecolor{A0}{HTML}{A4DA90}
\definecolor{A1}{HTML}{81C269}
\definecolor{A2}{HTML}{74AA61}
\definecolor{B0}{HTML}{ECEB80}
\definecolor{B1}{HTML}{CFCD56}
\definecolor{C0}{HTML}{9D7AB3}
\definecolor{C1}{HTML}{845A9E}
\definecolor{D0}{HTML}{7E8BB4}
\definecolor{D1}{HTML}{5E6FA0}
\definecolor{E0}{HTML}{8D80B7}
\definecolor{E1}{HTML}{6F61A3}
\begin{document}
\begin{tikzpicture}
\wheelchart[
data=\WCperc,
legend row={\tikz\fill[\WCvarB] (0,0) rectangle (0.6,0.3); & {\footnotesize\WCvarC}},
legend={\node[anchor=west] at (4.5,0) {\begin{tabular}{l@{ }p{5cm}}\WClegend\end{tabular}};},
lines=0.4,
lines ext=0.5,
lines sep=-0.2,
lines style={
postaction=decorate,
decoration={
markings,
mark=at position 0 with {
\fill (0,0) circle[radius=0.1];
}
}
},
perc precision=1,
radius={1.8}{2.2}
]{%
49/A0/Lorem ipsum dolor sit amet,
44/B0/Ut enim ad minim veniam,
50/C0/Quis nostrud exercitation ullamco laboris,
36/D0/Nisi ut aliquip ex ea commodo consequat,
28/E0/Duis aute irure dolor in reprehenderit,
11/A1/Voluptate velit esse cillum,
28/B1/Dolore eu fugiat nulla pariatur,
31/C1/{Excepteur sint occaecat cupidatat non proident, sunt.}%
}
\end{tikzpicture}
\end{document}