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| -rw-r--r-- | doc/pgf-pie.sty | 439 |
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diff --git a/doc/pgf-pie.sty b/doc/pgf-pie.sty new file mode 100644 index 0000000..6a669e3 --- /dev/null +++ b/doc/pgf-pie.sty @@ -0,0 +1,439 @@ +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% +% Start of pgf-pie.sty +% +% Some LaTeX macros for pie chart by using PGF/Tikz package. +% Home page of project: http://pgf-pie.googlecode.com/ +% Author: Xu Yuan <xuyuan.cn@gmail.com> +% + +\NeedsTeXFormat{LaTeX2e}[1999/12/01] +\ProvidesPackage{pgf-pie}[2011/10/02 v0.2 Some LaTeX macros for pie +chart by using PGF/Tikz package.] + +\RequirePackage{tikz} +\RequirePackage{ifthen} +\RequirePackage{scalefnt} + + +% args: +% #1: begin angle +% #2: end angle +% #3: number +% #4: label +% #5: explode +% #6: fill color +% #7: radius +% #8: center +\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}; + } +} + +\newcommand{\pgfpie@findColor}[1] +{ + \pgfmathparse{int(mod(#1,\value{pgfpie@colorLength}))} + \let\ci\pgfmathresult + \foreach \c [count=\j from 0] in \color { + \ifnum \j=\ci + \xdef\thecolor{\c} + \thecolor + \breakforeach + \fi + } +} + +\newcommand{\pgfpie@findExplode}[1] +{ + \pgfmathparse{int(mod(#1,\value{pgfpie@explodeLength}))} + \let\ei\pgfmathresult + \foreach \e [count=\j from 0] in \explode { + \ifnum \j=\ei + \xdef\theexplode{\e} + \breakforeach + \fi + } +} + +% #1: bottom left point +% #2: size +% #3: number +% #4: color +% #5: text +\newcommand{\pgfpie@square}[5] +{ + \ifthenelse{\equal{\pgfpie@text}{inside}} + { + \draw[fill=#4, \style] (#1) rectangle node + {\scalefont{#3}\shortstack{#5\\\beforenumber#3\afternumber}} ++(#2); + } + { + \draw[fill=#4, \style] (#1) rectangle node + {\scalefont{#3}\beforenumber#3\afternumber} ++(#2); + } +} + +% #1: pos +% #2: radius +% #3: number +% #4: color +% $5: style +% $6: label +\newcommand{\pgfpie@cloud}[6] +{ + \draw[fill=#4, #5] (#1) circle[radius=#2]; + \ifthenelse{\equal{\pgfpie@text}{inside}} + { + \node at (#1) {\scalefont{#3}\shortstack{#6\\\beforenumber#3\afternumber}}; + } + { + \node at (#1) {\scalefont{#3}\beforenumber#3\afternumber}; + } +} + +\newlength{\pgfpie@angleEnd} +\newcounter{pgfpie@explodeLength} +\newcounter{pgfpie@colorLength} +\newcounter{pgfpie@sliceLength} + +\def\setexplode#1\pgfeov{\def\explode{#1}} +\pgfkeyslet{/explode/.@cmd}{\setexplode} + +\def\setcolor#1\pgfeov{\def\color{#1}} +\pgfkeyslet{/color/.@cmd}{\setcolor} + +\def\setradius#1\pgfeov{\def\radius{#1}} +\pgfkeyslet{/radius/.@cmd}{\setradius} + +\def\setpos#1\pgfeov{\def\pos{#1}} +\pgfkeyslet{/pos/.@cmd}{\setpos} + +\def\setstyle#1\pgfeov{\def\style{#1}} +\pgfkeyslet{/style/.@cmd}{\setstyle} + +\def\setbeforenumber#1\pgfeov{\def\beforenumber{#1}} +\pgfkeyslet{/before number/.@cmd}{\setbeforenumber} + +\def\setafternumber#1\pgfeov{\def\afternumber{#1}} +\pgfkeyslet{/after number/.@cmd}{\setafternumber} + +\def\settext#1\pgfeov{\xdef\pgfpie@text{#1}} +\pgfkeyslet{/text/.@cmd}{\settext} + +\def\setsum#1\pgfeov{\xdef\pgfpie@sum{#1}} +\pgfkeyslet{/sum/.@cmd}{\setsum} + +\def\setrotate#1\pgfeov{\xdef\rotate{#1}} +\pgfkeyslet{/rotate/.@cmd}{\setrotate} + +\newif\ifpolar +\pgfkeys{/polar/.is if=polar} + +\newif\iflegend + +\newif\ifsquare +\pgfkeys{/square/.is if=square} + +\newif\ifcloud +\pgfkeys{/cloud/.is if=cloud} + +\newif\ifscalefont +\pgfkeys{/scale font/.is if=scalefont} +\let\scalefontorg\scalefont +\renewcommand{\scalefont}[1] +{ + \ifscalefont + \pgfmathparse{#1 / \pgfpie@sum * 3 + 0.9} + \scalefontorg{\pgfmathresult} + \fi +} + +\newcommand{\pie}[2][] +{ + % load default parameters + \pgfkeys{ + explode=0, + color={blue!60, cyan!60, yellow!60, orange!60, red!60, + blue!60!cyan!60, cyan!60!yellow!60, red!60!cyan!60, + red!60!blue!60, orange!60!cyan!60}, + radius=3, + pos={0,0}, + style={thick}, + before number=, + after number=, + text=label, + sum=100, + rotate=0, + polar=false, + square=false, + cloud=false, + scale font=false, + } + % load user's parameters + \pgfkeys{#1} + % add percentage automatically + \ifthenelse{\equal{\pgfpie@sum}{100}} + { + \pgfkeys{after number=\%} + \pgfkeys{#1} + }{} + + % legend or not + \ifthenelse{\equal{\pgfpie@text}{legend}} + {\legendtrue} + {\legendfalse} + + % handle sum + \ifthenelse{\equal{\pgfpie@sum}{auto}} + { + % sum all input + \xdef\pgfpie@sum{0} + \foreach \p/\t in {#2} + { + \pgfmathparse{\pgfpie@sum + \p} + \xdef\pgfpie@sum{\pgfmathresult} + } + } + {} + + % init counters + \setcounter{pgfpie@explodeLength}{0} + \foreach \e in \explode { \addtocounter{pgfpie@explodeLength}{1} } + + \setcounter{pgfpie@colorLength}{0} + \foreach \c in \color { \addtocounter{pgfpie@colorLength}{1} } + + \pgfmathsetlength{\pgfpie@angleEnd}{0} + + \setcounter{pgfpie@sliceLength}{0} + \foreach \p/\e in {#2} { \addtocounter{pgfpie@sliceLength}{1} } + + \ifsquare + %%%%%%%%%% SQUARE PIE BEGIN %%%%%%%%%%% + \pgfmathparse{\radius*2} + \xdef\verticalLength{\pgfmathresult} + \xdef\horizontalLength{\pgfmathresult} + \path (\pos) -- ++(-\radius, -\radius) coordinate (start); + \pgfmathparse{\verticalLength * \horizontalLength / \pgfpie@sum} + \let\squareUnit\pgfmathresult + + % drawing loop + \foreach \p/\t [count=\i from 0] in {#2} + { + \pgfpie@findColor{\i} + + \ifthenelse{\lengthtest{\verticalLength cm > \horizontalLength cm}} + { + \pgfmathparse{\p * \squareUnit / \horizontalLength} + \let\height\pgfmathresult + + \pgfpie@square{start}{\horizontalLength,\height} + {\p} + {\thecolor} + {\t} + %label + \iflegend + \else + \ifthenelse{\equal{\pgfpie@text}{inside}} + {} + { + \path (start) -- ++(\horizontalLength,\height*0.5) node[inner + sep=0, \pgfpie@text=0:\t]{}; + } + \fi + + \pgfmathparse{\verticalLength - \height} + \xdef\verticalLength{\pgfmathresult} + \path (start) -- ++(0, \height) coordinate (start); + } + { + \pgfmathparse{\p * \squareUnit / \verticalLength } + \let\width\pgfmathresult + + \pgfpie@square{start}{\width,\verticalLength} + {\p} + {\thecolor} + {\t} + %label + \iflegend + \else + \ifthenelse{\equal{\pgfpie@text}{inside}} + {} + { + \path (start) -- ++(\width*0.5,\verticalLength) node[inner + sep=0, \pgfpie@text=90:\t]{}; + } + \fi + + \pgfmathparse{\horizontalLength - \width} + \xdef\horizontalLength{\pgfmathresult} + \path (start) -- ++(\width, 0) coordinate (start); + } + } + + %%%%%%%%%% SQUARE PIE END %%%%%%%%%%% + \else + \ifcloud + %%%%%%%%%% CLOUD PIE BGEIN %%%%%%%%%%% + % drawing loop + \foreach \p/\t [count=\i from 0] in {#2} + { + % find explode + \pgfpie@findExplode{\i} + \def\cloudGap{\theexplode + 0.1} + \pgfmathparse{sqrt(\p / \pgfpie@sum) * \radius} + \let\cloudR\pgfmathresult + \ifnum \i = 0 + % first cloud + \coordinate (O) at (\pos); + \xdef\cloudRone{\cloudR} + \xdef\cloudExtendDir{180+\rotate} + \else + \ifnum \i = 1 + % second cloud + \xdef\cloudRtwo{\cloudR} + \xdef\cloudExtendDir{45+\rotate} + \path (O) -- ++(\cloudExtendDir:\cloudRone+\cloudGap+\cloudRtwo) coordinate (O); + \else + % next cloud + \pgfmathparse{\cloudRone+\cloudGap+\cloudRtwo} + \let\la\pgfmathresult + \pgfmathparse{\cloudRone+\cloudGap+\cloudR} + \let\lb\pgfmathresult + \pgfmathparse{\cloudRtwo+\cloudGap+\cloudR} + \let\lc\pgfmathresult + \pgfmathparse{\la^2+\lc^2-\lb^2} + \let\tmp\pgfmathresult + \pgfmathparse{180 - acos(\tmp / 2 / \la / \lc)} + \let\cloudRot\pgfmathresult + \ifodd \i + \pgfmathparse{-\cloudRot} + \let\cloudRot\pgfmathresult + \fi + \pgfmathparse{\cloudExtendDir - \cloudRot} + \xdef\cloudExtendDir{\pgfmathresult} + \path (O) -- ++(\cloudExtendDir:\lc) coordinate (O); + \xdef\cloudRone{\cloudRtwo} + \xdef\cloudRtwo{\cloudR} + \fi + \fi + + % find color + \pgfpie@findColor{\i} + + \pgfpie@cloud{O}{\cloudR}{\p} + {\thecolor}{\style}{\t} + + % label + \iflegend + \else + \ifthenelse{\equal{\pgfpie@text}{inside}} + {} + { + \path (O) -- ++(\cloudExtendDir:\cloudR) + node[inner sep=0, \pgfpie@text=\cloudExtendDir:\t] {}; + } + \fi + } + %%%%%%%%%% CLOUD PIE BGEIN %%%%%%%%%%% + \else + %%%%%%%%%% CIRCLE PIE BGEIN %%%%%%%%%%% + \ifpolar + \xdef\maxValue{0} + \foreach \p/\e in {#2} { + \ifnum \maxValue < \p + \xdef\maxValue{\p} + \fi + } + \pgfmathparse{\pgfpie@sum / \value{pgfpie@sliceLength}} + \xdef\polarangle{\pgfmathresult} + \pgfmathparse{\radius / sqrt(\maxValue)} + \xdef\polarRadiusUnit{\pgfmathresult} + \else + \xdef\theradius{\radius} + \fi + + \xdef\pgfpie@angleBegin{\the\pgfpie@angleEnd} + % drawing loop + \foreach \p/\t [count=\i from 0] in {#2} + { + \pgfmathsetlength{\pgfpie@angleEnd}{\pgfpie@angleBegin} + \ifpolar + % Polar area diagram + \pgfmathaddtolength{\pgfpie@angleEnd}{\polarangle} + \pgfmathparse{sqrt(\p) * \polarRadiusUnit} + \xdef\theradius{\pgfmathresult} + \else + % normal pie + \pgfmathaddtolength{\pgfpie@angleEnd}{\p} + \fi + + % find explode + \pgfpie@findExplode{\i} + + % find color + \pgfpie@findColor{\i} + \pgfpie@slice{\pgfpie@angleBegin/\pgfpie@sum*360+\rotate} + {\the\pgfpie@angleEnd/\pgfpie@sum*360+\rotate} + {\p} + {\t} + {\theexplode} + {\thecolor} + {\theradius} + {\pos} + \xdef\pgfpie@angleBegin{\the\pgfpie@angleEnd} + } + %%%%%%%%%% CIRCLE PIE END %%%%%%%%%%% + \fi + \fi + + % legend + \iflegend + \coordinate[xshift=0.8cm, + yshift=(\value{pgfpie@sliceLength}*0.5+1)*0.5cm] (legendpos) at + (current bounding box.east); + + \begin{scope}[node distance=0.5cm] + \foreach \p/\t [count=\i from 0] in {#2} + { + \pgfpie@findColor{\i} + \node[draw, fill=\thecolor, \style, below of=legendpos, label=0:\t] (legendpos) {}; + } + \end{scope} + \fi +} + +%%% End of pgf-pie.sty +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% + |