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% * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
% COPYRIGHT 2014 - Claudio Fiandrino
% Released under the LaTeX Project Public License v1.3c or later
%
% email: <claudio dot fiandrino at gmail dot com>
%
% Timeline TikZ library version 0.3a - 19/07/2014
\usetikzlibrary{backgrounds,calc}
\pgfkeys{/tikz/.cd,
timespan/.store in=\timespan,
timespan=Week,
timeline width/.store in=\timelinewidth,
timeline width=20,
timeline height/.store in=\timelineheight,
timeline height=0.5,
timeline offset/.store in=\timelineoffset,
timeline offset=0.15,
initial week/.store in=\initialweek,
initial week=1,
end week/.store in=\endweek,
end week=2,
time point/.store in=\timepoint,
time point=0.5,
between day/.style args={#1 and #2 in #3}{% auxiliary style for days
initial week=#1,
end week=#2,
time point=#3,
},
between week/.style args={#1 and #2 in #3}{% style for weeks
initial week=#1,
end week=#2,
time point=#3,
},
between month/.style args={#1 and #2 in #3}{% auxiliary style for months
initial week=#1,
end week=#2,
time point=#3,
},
between year/.style args={#1 and #2 in #3}{% auxiliary style for years
initial week=#1,
end week=#2,
time point=#3,
},
involvement degree/.store in=\involvdegree,
involvement degree=2cm,
phase color/.store in=\phasecol,
phase color=red!50!orange,
phase appearance/.style={
circle,
opacity=0.3,
minimum size=\involvdegree,
fill=\phasecol
},
}
% settings to customize aspect of timeline
\newif\ifcustominterval
\pgfkeys{/tikz/timeline/.cd,
custom interval/.is if=custominterval,
custom interval=false,
}
% settings to deploy milestones
\pgfkeys{/tikz/milestone/.cd,
at/.store in=\msstartpoint,
at=phase-1.north,
circle radius/.store in=\milestonecircleradius,
circle radius=0.1cm,
direction/.store in=\msdirection,
direction=90:2cm,
text/.store in=\mstext,
text={},
text options/.code={\tikzset{#1}},
}
\newcommand{\reftimespan}{\MakeLowerCase{\timespan}}
\newcommand{\timeline}[2][]{
\pgfkeys{/tikz/timeline/.cd,#1}
\draw[fill,opacity=0.8] (0,0) rectangle (\timelinewidth,\timelineheight);
\shade[top color=black, bottom color=white,middle color=black!20]
(0,0) rectangle (\timelinewidth,-\timelineoffset);
\shade[top color=white, bottom color=black,middle color=black!20]
(0,\timelineheight) rectangle (\timelinewidth,\timelineheight+\timelineoffset);
\ifcustominterval%
\foreach \smitem [count=\xi] in {#2} {\global\let\maxsmitem\xi}%
\else%
\foreach \smitem [count=\xi] in {1,...,#2} {\global\let\maxsmitem\xi}%
\fi%
\pgfmathsetmacro\position{\timelinewidth/(\maxsmitem+1)}
\node at (0,0.5*\timelineheight)(\timespan-0){\phantom{Week 0}};
\ifcustominterval%
\foreach \x[count=\xi] in {#2}{%
\node[text=white,text depth=0pt]at +(\xi*\position,0.5*\timelineheight) (\timespan-\xi) {\timespan\ \x};%
}%
\else%
\foreach \x[count=\xi] in {1,...,#2}{%
\node[text=white, text depth=0pt]at +(\xi*\position,0.5*\timelineheight) (\timespan-\xi) {\timespan\ \x};%
}%
\fi%
}
\newcounter{involv}
\setcounter{involv}{0}
\newcommand{\phase}[1]{
\stepcounter{involv}
\node[phase appearance,#1]
(phase-\theinvolv)
at ($(\timespan-\initialweek)!\timepoint!(\timespan-\endweek)$){};
}
\newcommand{\initialphase}[1]{
\node[phase appearance,#1,anchor=west,between week=0 and 1 in 0,]
(phase-\theinvolv)
at ($(\timespan-0)!0!(\timespan-1)$){};
\setcounter{involv}{0}
}
\newenvironment{phases}{\begin{pgfonlayer}{background}}{\end{pgfonlayer}}
\newcommand{\addmilestone}[1]{
\pgfkeys{/tikz/milestone/.cd,#1}
\draw[double,fill] (\msstartpoint) circle [radius=\milestonecircleradius];
\draw(\msstartpoint)--++(\msdirection)node[/tikz/milestone/text options]{\mstext};
}
% HISTORY
% 0.1 -> initial release
% 0.2 -> customizable timespan label
% 0.3 -> \timeline command with custom intervals
% styles ``between x''
% removed unnecessary call to xstring
% 0.3a -> text depth for timeline labels