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%% wheelchart.sty
%% Copyright 2022 Matthias Floré
%
% This work may be distributed and/or modified under the
% conditions of the LaTeX Project Public License, either version 1.3c
% of this license or (at your option) any later version.
% The latest version of this license is in
%   http://www.latex-project.org/lppl.txt
% and version 1.3c or later is part of all distributions of LaTeX
% version 2005/12/01 or later.
%
% This work has the LPPL maintenance status `maintained'.
% 
% The Current Maintainer of this work is Matthias Floré.
%
% This work consists of the files wheelchart.pdf, wheelchart.sty,
% wheelchart.tex and README.md.
\NeedsTeXFormat{LaTeX2e}
\ProvidesPackage{wheelchart}[2022/09/11 v1.0 Draw wheelcharts with TikZ]
\RequirePackage{tikz}
\usetikzlibrary{calc}
\def\wheelchart@slicesstart{}
\def\wheelchart@slicesend{}
\newif\ifwheelchart@contour
\newif\ifwheelchart@counterclockwise
\newif\ifwheelchart@definnercontour
\newif\ifwheelchart@draw
\newif\ifwheelchart@linesextfixed
\newif\ifwheelchart@middlefill
\newif\ifwheelchart@pie
\newif\ifwheelchart@slicesarcadaptangle
\newif\ifwheelchart@wheellines
\newcommand{\wheelchart@slicesarcdefmacros}[2]{
\pgfmathsetmacro{\wheelchart@slicesarcA}{#1}
\pgfmathsetmacro{\wheelchart@slicesarcB}{#2}
\pgfmathsetmacro{\wheelchart@slicesarcradius}{(1-(\wheelchart@slicesarcB))*\n1*abs((1/(\wheelchart@slicesarcA))+(\wheelchart@slicesarcA))/2}
\wheelchart@slicesarcadaptanglefalse
\ifdim \wheelchart@slicesarcA pt<\z@
\pgfmathsetmacro{\wheelchart@slicesarccoord}{max(\wheelchart@slicesarcB,0)}
\wheelchart@slicesarcadaptangletrue
\ifdim \wheelchart@slicesarcB pt<\z@
\else
\pgfmathsetmacro{\wheelchart@halflengthsliceinnerstartplussliceouterstart}{veclen(\x3/\pgf@xx,\y3/\pgf@yy)}
\pgfmathsetmacro{\wheelchart@slicesarcradiusbound}{sqrt((\wheelchart@halflengthsliceinnerstartplussliceouterstart^2-((\wheelchart@gap)^2)+((\wheelchart@gap-\wheelchart@slicesarcA*(1-(\wheelchart@slicesarcB))*\n1-\wheelchart@slicesarcradius)^2))}
\pgfmathsetmacro{\wheelchart@slicesarcradiusboundminusslicesarcradius}{\wheelchart@slicesarcradiusbound-\wheelchart@slicesarcradius}
\pgfmathsetmacro{\wheelchart@slicesarcradiusboundplusslicesarcradius}{\wheelchart@slicesarcradiusbound+\wheelchart@slicesarcradius}
\ifdim \wheelchart@slicesarcradiusboundminusslicesarcradius pt>\wheelchart@innerradius pt
\ifdim \wheelchart@slicesarcradiusboundplusslicesarcradius pt<\wheelchart@outerradius pt
\wheelchart@slicesarcadaptanglefalse
\fi
\fi
\fi
\else
\pgfmathsetmacro{\wheelchart@slicesarccoord}{\wheelchart@slicesarcB}
\fi
\pgfmathsetmacro{\wheelchart@slicesarccoordtimesnone}{\wheelchart@slicesarccoord*\n1}
\ifwheelchart@slicesarcadaptangle
\pgfmathsetmacro{\wheelchart@slicesarcangle}{-acos((2*(\wheelchart@slicesarccoord-1))/((1-(\wheelchart@slicesarcB))*((1/(\wheelchart@slicesarcA))+(\wheelchart@slicesarcA))))}
\else
\pgfmathsetmacro{\wheelchart@slicesarcangle}{atan(((1/(\wheelchart@slicesarcA))-(\wheelchart@slicesarcA))/2)}
\fi
}
\newcommand{\wheelchart@slicesarrowdefmacros}[2]{
\pgfmathsetmacro{\wheelchart@slicesarrowA}{#1}
\pgfmathsetmacro{\wheelchart@slicesarrowB}{#2}
\pgfmathsetmacro{\wheelchart@slicesarrowlength}{\n1}
\ifdim \wheelchart@slicesarrowA pt<\z@
\pgfmathsetmacro{\wheelchart@slicesarrowcoord}{max(\wheelchart@slicesarrowB,0)}
\else
\pgfmathsetmacro{\wheelchart@slicesarrowcoord}{\wheelchart@slicesarrowB}
\fi
\pgfmathsetmacro{\wheelchart@slicesarrowtip}{(1-\wheelchart@slicesarrowcoord)*\wheelchart@slicesarrowA}
}
\pgfkeys{
/wheelchart/.is family,
/wheelchart,
anchor xsep/.initial=5,
anchor ysep/.initial=5,
at/.initial={(0,0)},
caption/.store in=\wheelchart@caption,
caption style/.style={caption style@options/.style={#1}},
caption style@options/.style={},
caption left/.store in=\wheelchart@captionleft,
caption left style/.style={caption left style@options/.style={#1}},
caption left style@options/.style={},
contour@boolean/.is if=wheelchart@contour,
contour/.style={contour@boolean=true,contour@options/.style={#1}},
contour@options/.style={},
counterclockwise/.is if=wheelchart@counterclockwise,
data/.initial={\WCvarC},
data angle shift/.initial=0,
data sep/.initial=0.2,
data style/.style={data style@options/.style={#1}},
data style@options/.style={},
expand list/.is choice,
expand list/false/.code={\def\wheelchart@expandlistvalue{false}\def\wheelchart@foreachdeflist##1{\def\wheelchart@foreachlist{##1}}},
expand list/once/.code={\def\wheelchart@expandlistvalue{true}\def\wheelchart@foreachdeflist##1{\def\wheelchart@foreachlist{\unexpanded\expandafter{##1}}}},
expand list/true/.code={\def\wheelchart@expandlistvalue{true}\def\wheelchart@foreachdeflist##1{\def\wheelchart@foreachlist{##1}}},
expand list=once,
explode/.initial=0,
explode/.default=0.2,
gap/.initial=0,
gap/.default=0.05,
gap polar/.initial=0,
gap polar/.default=1,
inner data/.store in=\wheelchart@innerdata,
inner data sep/.initial=0.2,
inner data style/.style={inner data style@options/.style={#1}},
inner data style@options/.style={},
inner radius/.initial=2,
legend/.store in=\wheelchart@legend,
legend entry/.store in=\wheelchart@legendentry,
lines/.initial=0,
lines/.default=1,
lines ext/.initial=0,
lines ext/.default=0.5,
lines ext bottom dir/.is choice,
lines ext bottom dir/left/.code={\pgfmathsetmacro{\wheelchart@linesextbottomdir}{-1}},
lines ext bottom dir/right/.code={\pgfmathsetmacro{\wheelchart@linesextbottomdir}{1}},
lines ext bottom dir=right,
lines ext dirsep/.initial=0,
lines ext fixed/.is if=wheelchart@linesextfixed,
lines ext left anchor/.initial={mid east},
lines ext right anchor/.initial={mid west},
lines ext top dir/.is choice,
lines ext top dir/left/.code={\pgfmathsetmacro{\wheelchart@linesexttopdir}{-1}},
lines ext top dir/right/.code={\pgfmathsetmacro{\wheelchart@linesexttopdir}{1}},
lines ext top dir=right,
lines sep/.initial=0.2,
lines style/.style={lines style@options/.style={#1}},
lines style@options/.style={},
middle/.store in=\wheelchart@middle,
middle fill@boolean/.is if=wheelchart@middlefill,
middle fill/.style={middle fill@boolean=true,middle fill@options/.style={#1}},
middle fill@options/.style={},
middle style/.style={middle style@options/.style={#1}},
middle style@options/.style={},
name/.code={\xdef\wheelchart@name{#1}},
name=wheelchart@name,
outer radius/.initial=3,
perc precision/.initial=0,
pie/.is if=wheelchart@pie,
radius/.code 2 args={\pgfkeys{/wheelchart,inner radius={#1},outer radius={#2}}},
slices/.store in=\wheelchart@slices,
slices arc/.code 2 args={\pgfkeys{/wheelchart,slices start arc={-(#1)}{#2},slices end arc={#1}{#2}}},
slices arrow/.code 2 args={\pgfkeys{/wheelchart,slices start arrow={-(#1)}{#2},slices end arrow={#1}{#2}}},
slices end arc/.code 2 args={\def\wheelchart@slicesend{{[shift={(wheelchart@sliceouterend)},rotate={90-atan2(\p2)},/utils/exec={\wheelchart@slicesarcdefmacros{#1}{#2}}]--({-\wheelchart@slicesarccoordtimesnone},0) arc[start angle={\wheelchart@counterorclockwise*\wheelchart@slicesarcangle},end angle={\wheelchart@counterorclockwise*(sign(#1)*180-\wheelchart@slicesarcangle)},radius={\wheelchart@slicesarcradius}]}}},
slices end arrow/.code 2 args={\def\wheelchart@slicesend{{[shift={(wheelchart@sliceouterend)},rotate={90-atan2(\p2)},/utils/exec={\wheelchart@slicesarrowdefmacros{#1}{#2}}]--({-\wheelchart@slicesarrowcoord*\wheelchart@slicesarrowlength},0)--({-\wheelchart@slicesarrowlength},{\wheelchart@counterorclockwise*\wheelchart@slicesarrowtip*\wheelchart@slicesarrowlength})--({(\wheelchart@slicesarrowcoord-2)*\wheelchart@slicesarrowlength},0)}}},
slices start arc/.code 2 args={\def\wheelchart@slicesstart{{[shift={(wheelchart@sliceinnerstart)},rotate={90-atan2(\p1)},/utils/exec={\wheelchart@slicesarcdefmacros{#1}{#2}}]({\wheelchart@slicesarccoordtimesnone},0) arc[start angle={-\wheelchart@counterorclockwise*(sign(#1)*180-\wheelchart@slicesarcangle)},end angle={-\wheelchart@counterorclockwise*\wheelchart@slicesarcangle},radius={\wheelchart@slicesarcradius}]}--}},
slices start arrow/.code 2 args={\def\wheelchart@slicesstart{{[shift={(wheelchart@sliceinnerstart)},rotate={90-atan2(\p1)},/utils/exec={\wheelchart@slicesarrowdefmacros{#1}{#2}}]({\wheelchart@slicesarrowcoord*\wheelchart@slicesarrowlength},0)--({\wheelchart@slicesarrowlength},{-\wheelchart@counterorclockwise*\wheelchart@slicesarrowtip*\wheelchart@slicesarrowlength})--({(2-\wheelchart@slicesarrowcoord)*\wheelchart@slicesarrowlength},0)}--}},
slices style/.style={slices style@options/.style={#1}},
slices style@options/.style={},
slices style={\WCvarB},
start angle/.initial=90,
start half/.store in=\wheelchart@starthalf,
start half/.default=90,
title/.store in=\wheelchart@title,
title style/.style={title style@options/.style={#1}},
title style@options/.style={},
title left/.store in=\wheelchart@titleleft,
title left style/.style={title left style@options/.style={#1}},
title left style@options/.style={},
total angle/.initial=360,
total count/.code={\pgfmathsetmacro{\wheelchart@totalcount}{int(#1)}},
value/.initial={\WCvarA},
wheel data/.store in=\wheelchart@wheeldata,
wheel data pos/.initial=0.66,
wheel data style/.style={wheel data style@options/.style={#1}},
wheel data style@options/.style={},
wheel lines@boolean/.is if=wheelchart@wheellines,
wheel lines/.style={wheel lines@boolean=true,wheel lines@options/.style={#1}},
wheel lines@options/.style={},
}
\newcommand{\wheelchart@foreachinitial}[2]{\ifcsname wheelchart@totalcount\endcsname\ifnum\wheelchart@totalcount>1\gdef\wheelchart@foreachlist{}\foreach\wheelchart@n in {2,...,\wheelchart@totalcount}{\xdef\wheelchart@foreachlist{\wheelchart@foreachlist,}}\else\ifnum\wheelchart@totalcount=1\gdef\wheelchart@foreachlist{{}}\else\gdef\wheelchart@foreachlist{}\fi\fi\else\wheelchart@foreachdeflist{#1}\fi\foreach\WCvarA/\WCvarB/\WCvarC/\WCvarD/\WCvarE/\WCvarF/\WCvarG/\WCvarH/\WCvarI/\WCvarJ/\WCvarK/\WCvarL/\WCvarM/\WCvarN/\WCvarO/\WCvarP/\WCvarQ/\WCvarR/\WCvarS/\WCvarT/\WCvarU/\WCvarV/\WCvarW/\WCvarX/\WCvarY/\WCvarZ [count=\WCcount,expand list=\wheelchart@expandlistvalue] in \wheelchart@foreachlist{#2}}
\newcommand{\wheelchart@foreach}[2]{\pgfmathsetmacro{\wheelchart@angle}{\wheelchart@startangle}\wheelchart@foreachinitial{#1}{\pgfmathsetmacro{\wheelchart@outerradius}{\pgfkeysvalueof{/wheelchart/outer radius}}
\ifwheelchart@pie
\pgfmathsetmacro{\wheelchart@innerradius}{0}
\else
\pgfmathsetmacro{\wheelchart@innerradius}{\pgfkeysvalueof{/wheelchart/inner radius}}
\fi
\pgfmathsetmacro{\wheelchart@gap}{\pgfkeysvalueof{/wheelchart/gap}}
\pgfmathsetmacro{\wheelchart@gappolar}{\pgfkeysvalueof{/wheelchart/gap polar}}
\pgfmathsetmacro{\wheelchart@value}{\pgfkeysvalueof{/wheelchart/value}}
\pgfmathsetmacro{\wheelchart@newangle}{\wheelchart@angle+(\wheelchart@counterorclockwise*\wheelchart@value*(\wheelchart@totalangle/\WCtotalnum))}
\pgfmathsetmacro{\wheelchart@abshalfangleminusnewangle}{abs((\wheelchart@angle-\wheelchart@newangle)/2)}
\wheelchart@drawfalse
\pgfmathsetmacro{\wheelchart@abshalfangleminusnewangleminusgappolar}{\wheelchart@abshalfangleminusnewangle-\wheelchart@gappolar}
\ifdim \wheelchart@abshalfangleminusnewangleminusgappolar pt=180 pt
\pgfmathsetmacro{\wheelchart@outergap}{asin(\wheelchart@gap/\wheelchart@outerradius)}
\ifdim \wheelchart@gap pt<\wheelchart@innerradius pt
\pgfmathsetmacro{\wheelchart@innergap}{asin(\wheelchart@gap/\wheelchart@innerradius)}
\else
\pgfmathsetmacro{\wheelchart@innergap}{90}
\pgfmathsetmacro{\wheelchart@innerradius}{\wheelchart@gap}
\fi
\ifdim \wheelchart@innerradius pt<\wheelchart@outerradius pt
\wheelchart@drawtrue
\fi
\else
\ifdim \wheelchart@abshalfangleminusnewangleminusgappolar pt>\z@
\pgfmathsetmacro{\wheelchart@outerradiustimessinabshalfangleminusnewangleminusgappolar}{\wheelchart@outerradius*sin(\wheelchart@abshalfangleminusnewangleminusgappolar)}
\ifdim \wheelchart@outerradiustimessinabshalfangleminusnewangleminusgappolar pt<\wheelchart@gap pt
\else
\pgfmathsetmacro{\wheelchart@outergap}{asin(\wheelchart@gap/\wheelchart@outerradius)+\wheelchart@gappolar}
\pgfmathsetmacro{\wheelchart@innerradiustimessinabshalfangleminusnewangleminusgappolar}{\wheelchart@innerradius*sin(\wheelchart@abshalfangleminusnewangleminusgappolar)}
\ifdim \wheelchart@innerradiustimessinabshalfangleminusnewangleminusgappolar pt>\wheelchart@gap pt
\pgfmathsetmacro{\wheelchart@innergap}{asin(\wheelchart@gap/\wheelchart@innerradius)+\wheelchart@gappolar}
\else
\pgfmathsetmacro{\wheelchart@innergap}{\wheelchart@abshalfangleminusnewangle}
\ifdim \wheelchart@innerradiustimessinabshalfangleminusnewangleminusgappolar pt<\wheelchart@gap pt
\pgfmathsetmacro{\wheelchart@innerradius}{\wheelchart@gap/sin(\wheelchart@abshalfangleminusnewangleminusgappolar)}
\fi
\fi
\ifdim \wheelchart@innerradius pt<\wheelchart@outerradius pt
\wheelchart@drawtrue
\fi
\fi
\fi
\fi
\pgfmathsetmacro{\wheelchart@explode}{\pgfkeysvalueof{/wheelchart/explode}}
\pgfmathsetmacro{\WCmidangle}{Mod((\wheelchart@angle+\wheelchart@newangle)/2,360)}
\pgfmathsetmacro{\wheelchart@dataangleshift}{\pgfkeysvalueof{/wheelchart/data angle shift}}
\pgfmathsetmacro{\WCdataangle}{Mod(\wheelchart@counterorclockwise*\wheelchart@dataangleshift+\WCmidangle,360)}
\pgfmathsetmacro{\WCpercentage}{\wheelchart@value/(\WCtotalnum/100)}
\pgfmathprintnumberto[precision=\pgfkeysvalueof{/wheelchart/perc precision}]{\WCpercentage}{\WCpercentagerounded}
\begin{scope}[shift={(\WCmidangle:\wheelchart@explode)}]
#2
\end{scope}
\global\let\wheelchart@angle=\wheelchart@newangle}}
\AtBeginDocument{\@ifpackageloaded{siunitx}{\newcommand{\WCperc}{\qty[round-mode=places,round-precision=\pgfkeysvalueof{/wheelchart/perc precision}]{\WCpercentage}{\percent}}}{\newcommand{\WCperc}{\WCpercentagerounded\,\%}}}
\newcommand{\wheelchart@ifnotext}[3]{%%https://tex.stackexchange.com/questions/42280/expand-away-empty-macros-within-ifthenelse%https://tex.stackexchange.com/questions/44919/proper-way-to-detect-empty-blank-text
\begingroup%
\begin{pgfinterruptpicture}%%https://tex.stackexchange.com/questions/459853/savebox-within-tikzpicture-results-in-an-empty-savebox
\sbox0{#1}%
\ifdim\wd0=\z@%
\gdef\wheelchart@node{0}%
\else%
\gdef\wheelchart@node{1}%
\fi%
\end{pgfinterruptpicture}%
\endgroup%
\ifnum\wheelchart@node=0%
{#2}%%if #1 is empty
\else%
{#3}%%if #1 is not empty
\fi%
}
\newcommand{\wheelchart}[2][]{{
\pgfkeys{/wheelchart,#1}
\begin{scope}[shift/.expanded={\pgfkeysvalueof{/wheelchart/at}},local bounding box/.expanded=\wheelchart@name]
\ifwheelchart@counterclockwise
\pgfmathsetmacro{\wheelchart@counterorclockwise}{1}
\else
\pgfmathsetmacro{\wheelchart@counterorclockwise}{-1}
\fi
\pgfmathsetmacro{\wheelchart@totalangle}{\pgfkeysvalueof{/wheelchart/total angle}}
\pgfmathsetmacro{\WCtotalnum}{0}
\wheelchart@foreachinitial{#2}{
\pgfmathsetmacro{\wheelchart@value}{\pgfkeysvalueof{/wheelchart/value}}
\pgfmathparse{\wheelchart@value+\WCtotalnum}
\global\let\WCtotalnum=\pgfmathresult
\ifnum\WCcount=1
\xdef\wheelchart@firstvalue{\wheelchart@value}
\fi
\xdef\WCtotalcount{\WCcount}
}
\ifcsname wheelchart@starthalf\endcsname
\pgfmathsetmacro{\wheelchart@startangle}{Mod(\wheelchart@starthalf-(\wheelchart@counterorclockwise*\wheelchart@firstvalue*0.5*(\wheelchart@totalangle/\WCtotalnum)),360)}
\else
\pgfmathsetmacro{\wheelchart@startangle}{Mod(\pgfkeysvalueof{/wheelchart/start angle},360)}
\fi
\wheelchart@definnercontourfalse
\ifwheelchart@contour
\wheelchart@definnercontourtrue
\xdef\wheelchart@outercontour{}
\wheelchart@foreach{#2}{
\xdef\wheelchart@outercontour{(\wheelchart@newangle:\wheelchart@outerradius) arc[start angle=\wheelchart@newangle,end angle=\wheelchart@angle,radius=\wheelchart@outerradius]--\wheelchart@outercontour}
}
\else
\ifwheelchart@middlefill
\wheelchart@definnercontourtrue
\fi
\fi
\ifwheelchart@definnercontour
\xdef\wheelchart@innercontour{}
\wheelchart@foreach{#2}{
\xdef\wheelchart@innercontour{\wheelchart@innercontour(\wheelchart@angle:\wheelchart@innerradius) arc[start angle=\wheelchart@angle,end angle=\wheelchart@newangle,radius=\wheelchart@innerradius]--}
}
\fi
\ifwheelchart@middlefill
\fill[/wheelchart/middle fill@options]
\ifdim \wheelchart@totalangle pt=360 pt
\else
(0,0)--
\fi
\wheelchart@innercontour cycle;
\fi
\wheelchart@foreach{#2}{
\ifcsname wheelchart@slices\endcsname
\begin{scope}[shift={(\WCmidangle:{(\wheelchart@innerradius+\wheelchart@outerradius)/2})},rotate=\WCmidangle]
\fill[/wheelchart/slices style@options] \wheelchart@slices
\end{scope}
\else
\ifwheelchart@draw
\pgfmathsetmacro{\wheelchart@sliceinnerstartangle}{\wheelchart@angle+(\wheelchart@counterorclockwise*(\wheelchart@innergap))}
\pgfmathsetmacro{\wheelchart@sliceinnerendangle}{\wheelchart@newangle-(\wheelchart@counterorclockwise*(\wheelchart@innergap))}
\pgfmathsetmacro{\wheelchart@sliceouterstartangle}{\wheelchart@angle+(\wheelchart@counterorclockwise*(\wheelchart@outergap))}
\pgfmathsetmacro{\wheelchart@sliceouterendangle}{\wheelchart@newangle-(\wheelchart@counterorclockwise*(\wheelchart@outergap))}
\coordinate (wheelchart@sliceinnerstart) at (\wheelchart@sliceinnerstartangle:\wheelchart@innerradius);
\coordinate (wheelchart@sliceinnerend) at (\wheelchart@sliceinnerendangle:\wheelchart@innerradius);
\coordinate (wheelchart@sliceouterstart) at (\wheelchart@sliceouterstartangle:\wheelchart@outerradius);
\coordinate (wheelchart@sliceouterend) at (\wheelchart@sliceouterendangle:\wheelchart@outerradius);
\fill[/wheelchart/slices style@options] let \p1=($(wheelchart@sliceouterstart)-(wheelchart@sliceinnerstart)$),\p2=($(wheelchart@sliceouterend)-(wheelchart@sliceinnerend)$),\p3=($(wheelchart@sliceinnerstart)!0.5!(wheelchart@sliceouterstart)$),\n1={veclen(\x1/\pgf@xx,\y1/\pgf@yy)/2} in \wheelchart@slicesstart(wheelchart@sliceouterstart) arc[start angle=\wheelchart@sliceouterstartangle,end angle=\wheelchart@sliceouterendangle,radius=\wheelchart@outerradius]\wheelchart@slicesend--(wheelchart@sliceinnerend) arc[start angle=\wheelchart@sliceinnerendangle,end angle=\wheelchart@sliceinnerstartangle,radius=\wheelchart@innerradius]--cycle;
\fi
\fi
}
\ifwheelchart@wheellines
\ifdim \wheelchart@totalangle pt=360 pt
\def\wheelchart@start{1}
\else
\def\wheelchart@start{0}
\fi
\wheelchart@foreach{#2}{
\foreach\wheelchart@n in {\wheelchart@start,...,\wheelchart@value}{
\pgfmathsetmacro{\wheelchart@anglewheellines}{\wheelchart@angle+(\wheelchart@counterorclockwise*\wheelchart@n*(\wheelchart@totalangle/\WCtotalnum))}
\draw[/wheelchart/wheel lines@options] (\wheelchart@anglewheellines:\wheelchart@innerradius)--(\wheelchart@anglewheellines:\wheelchart@outerradius);
}
\gdef\wheelchart@start{1}
}
\fi
\ifwheelchart@contour
\ifdim \wheelchart@totalangle pt=360 pt
\draw[/wheelchart/contour@options] \wheelchart@innercontour cycle;
\draw[/wheelchart/contour@options] \wheelchart@outercontour cycle;
\else
\draw[/wheelchart/contour@options] \wheelchart@innercontour\wheelchart@outercontour cycle;
\fi
\fi
\wheelchart@foreach{#2}{
\pgfmathsetmacro{\wheelchart@datasep}{\pgfkeysvalueof{/wheelchart/data sep}}
\pgfmathsetmacro{\wheelchart@lines}{\pgfkeysvalueof{/wheelchart/lines}}
\pgfmathsetmacro{\wheelchart@linesext}{\pgfkeysvalueof{/wheelchart/lines ext}}
\pgfmathsetmacro{\wheelchart@linessep}{\pgfkeysvalueof{/wheelchart/lines sep}}
\ifdim \wheelchart@linesext pt>\z@
\pgfmathsetmacro{\wheelchart@linesextdirsep}{\pgfkeysvalueof{/wheelchart/lines ext dirsep}}
\pgfmathparse{
(\WCdataangle<90-\wheelchart@linesextdirsep?"1":
(\WCdataangle<=90+\wheelchart@linesextdirsep?"\wheelchart@linesexttopdir":
(\WCdataangle<270-\wheelchart@linesextdirsep?"-1":
(\WCdataangle<=270+\wheelchart@linesextdirsep?"\wheelchart@linesextbottomdir":
"1"
))))
}
\edef\wheelchart@linesextdir{\pgfmathresult}
\draw[/wheelchart/lines style@options] let \p1=(\WCdataangle:{\wheelchart@outerradius+\wheelchart@linessep+\wheelchart@lines}) in (\WCdataangle:{\wheelchart@outerradius+\wheelchart@linessep})--(\p1)
\ifwheelchart@linesextfixed
--({\wheelchart@linesextdir*(\wheelchart@outerradius+\wheelchart@linessep+\wheelchart@lines+\wheelchart@linesext)},\y1)
\else
--++({\wheelchart@linesextdir*\wheelchart@linesext},0)
\fi
coordinate (wheelchart@datacoord);
\pgfmathparse{
(\wheelchart@linesextdir==1?"\pgfkeysvalueof{/wheelchart/lines ext right anchor}":
(\wheelchart@linesextdir==-1?"\pgfkeysvalueof{/wheelchart/lines ext left anchor}":
))
}
\edef\wheelchart@dataanchor{\pgfmathresult}
\else
\pgfmathsetmacro{\wheelchart@anchorxsep}{\pgfkeysvalueof{/wheelchart/anchor xsep}}
\pgfmathsetmacro{\wheelchart@anchorysep}{\pgfkeysvalueof{/wheelchart/anchor ysep}}
\pgfmathparse{
(\WCdataangle==0?"west":
(\WCdataangle==90?"south":
(\WCdataangle==180?"east":
(\WCdataangle==270?"north":
(\WCdataangle<=\wheelchart@anchorysep?"west":
(\WCdataangle<90-\wheelchart@anchorxsep?"south west":
(\WCdataangle<=90+\wheelchart@anchorxsep?"south":
(\WCdataangle<180-\wheelchart@anchorysep?"south east":
(\WCdataangle<=180+\wheelchart@anchorysep?"east":
(\WCdataangle<270-\wheelchart@anchorxsep?"north east":
(\WCdataangle<=270+\wheelchart@anchorxsep?"north":
(\WCdataangle<360-\wheelchart@anchorysep?"north west":
"west"
))))))))))))
}
\edef\wheelchart@dataanchor{\pgfmathresult}
\ifdim \wheelchart@lines pt>\z@
\draw[/wheelchart/lines style@options] (\WCdataangle:{\wheelchart@outerradius+\wheelchart@linessep})--++(\WCdataangle:\wheelchart@lines) coordinate[shift={(\WCdataangle:\wheelchart@datasep)}] (wheelchart@datacoord);
\else
\coordinate (wheelchart@datacoord) at (\WCdataangle:{\wheelchart@outerradius+\wheelchart@datasep});
\fi
\fi
\wheelchart@ifnotext{\pgfkeysvalueof{/wheelchart/data}}{}{\node[anchor=\wheelchart@dataanchor,align=left,/wheelchart/data style@options] at (wheelchart@datacoord) {\pgfkeysvalueof{/wheelchart/data}};}
\ifcsname wheelchart@innerdata\endcsname
\wheelchart@ifnotext{\wheelchart@innerdata}{}{%
\pgfmathsetmacro{\wheelchart@innerdatasep}{\pgfkeysvalueof{/wheelchart/inner data sep}}%
\node[align=left,/wheelchart/inner data style@options] at (\WCdataangle:{\wheelchart@innerradius-(\wheelchart@innerdatasep)}) {\wheelchart@innerdata};%
}
\fi
\ifcsname wheelchart@wheeldata\endcsname
\wheelchart@ifnotext{\wheelchart@wheeldata}{}{%
\pgfmathsetmacro{\wheelchart@wheeldatapos}{\pgfkeysvalueof{/wheelchart/wheel data pos}}%
\node[align=left,/wheelchart/wheel data style@options] at (\WCdataangle:{\wheelchart@wheeldatapos*\wheelchart@outerradius+(1-\wheelchart@wheeldatapos)*\wheelchart@innerradius}) {\wheelchart@wheeldata};%
}
\fi
\ifcsname wheelchart@legendentry\endcsname
\wheelchart@legendentry
\fi
}
\ifcsname wheelchart@middle\endcsname
\wheelchart@ifnotext{\wheelchart@middle}{}{%
\node[align=center,/wheelchart/middle style@options] at (0,0) {\wheelchart@middle};%
}
\fi
\ifcsname wheelchart@legend\endcsname
\wheelchart@legend
\fi
\end{scope}
\ifcsname wheelchart@captionleft\endcsname
\wheelchart@ifnotext{\wheelchart@captionleft}{}{%
\node[anchor=north west,align=left,/wheelchart/caption left style@options] at ($(\wheelchart@name.south west)-(0,0.5)$) {\wheelchart@captionleft};%
}
\fi
\ifcsname wheelchart@caption\endcsname
\wheelchart@ifnotext{\wheelchart@caption}{}{%
\coordinate[shift/.expanded={\pgfkeysvalueof{/wheelchart/at}}] (wheelchart@center) at (0,0);%
\node[anchor=north,align=center,/wheelchart/caption style@options] at ($(\wheelchart@name.south-|wheelchart@center)-(0,0.5)$) {\wheelchart@caption};%
}
\fi
\ifcsname wheelchart@titleleft\endcsname
\wheelchart@ifnotext{\wheelchart@titleleft}{}{%
\node[anchor=south west,align=left,/wheelchart/title left style@options] at ($(\wheelchart@name.north west)+(0,0.5)$) {\wheelchart@titleleft};%
}
\fi
\ifcsname wheelchart@title\endcsname
\wheelchart@ifnotext{\wheelchart@title}{}{%
\coordinate[shift/.expanded={\pgfkeysvalueof{/wheelchart/at}}] (wheelchart@center) at (0,0);%
\node[anchor=south,align=center,/wheelchart/title style@options] at ($(\wheelchart@name.north-|wheelchart@center)+(0,0.5)$) {\wheelchart@title};%
}
\fi
}}
\endinput