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%% PGFPlots settings
%% -----------------
%
%% PGFPLOTS is a package in (La)TeX for making plots internally. It fits
%% nicely with the purpose of a reproducible project. But it isn't
%% mandatory. Therefore if you don't need it, just comment/delete the line
%% that includes this file in the top LaTeX source (`paper.tex').
%
%% However, TiKZ and PGFPlots are the recommended way to include figures
%% and plots in your paper. There are two main reasons: 1) it follows the
%% same LaTeX settings as the text of the paper, so the figures will be in
%% the exact same settings (for example font or lines) as the main body of
%% the papers. 2) It doesn't require any extra dependency (it is
%% distributed as part of TeX-live). Adding specific programs/libraries for
%% plots can greatly increase the number of dependencies for the
%% project. For example Python's Matplotlib library is indeed very good,
%% but it requires Python and Numpy. The latter is not easy to build from
%% source, so after a few years, installing the required version can be
%% very frustrating.
%
%% Keeping all BibLaTeX settings in a separate preamble was done in the
%% spirit of modularity to 1) easily managable, 2) If a similar BibLaTeX
%% configuration is necessary in another LaTeX compilation, this file can
%% just be copied there and used.
%
%% PGFPlots uses the (La)TeX TiKZ package to build plots. So we will first
%% do the settings that are necessary in TiKZ, and then go onto the actual
%% PGFPlots package.
%%
%% USAGE:
%
%%  - All plots are made within a `tikz' directory (that must already be
%%    present in the location LaTeX is run).
%
%%  - Use `\includetikz{XXXX}' to make/use the figure. If a `makepdf' LaTeX
%%    macro is not defined, then \includetikz will assume a `XXXX.pdf' file
%%    exists in `tex/tikz' and simply import it. If `makepdf' is defined,
%%    then TiKZ/PGFPlot will be called to (possibly) build the plot based
%%    on `tex/XXXX.tex'. Note that if the contents of `tex/src/XXXX.tex'
%%    hasn't changed since the last build. TiKZ/PGFPlots won't rebuild the
%%    plot.
%
%% Copyright (C) 2018-2020 Mohammad Akhlaghi <mohammad@akhlaghi.org>
%
%% This LaTeX file is part of Maneage. Maneage is free software: you can
%% redistribute it and/or modify it under the terms of the GNU General
%% Public License as published by the Free Software Foundation, either
%% version 3 of the License, or (at your option) any later version.
%
%% Maneage is distributed in the hope that it will be useful, but WITHOUT
%% ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
%% FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
%% for more details. See <http://www.gnu.org/licenses/>.




%% Very general TiKZ settings. In particular, to allow faster processing
%% (not having to re-build the plots on every run), we are using the
%% externalization feature of TiKZ. With this option, TiKZ will build every
%% figure independently in a special directory afterwards it will include
%% the built figure in the final file. This has many advantages: 1) if the
%% code for the plot hasn't changed, then the plot won't be re-made (can be
%% slow with detailed plots). 2) You can use the PDFs of the individual
%% plots for other purposes (for example to include in slides) cleanly.
\usepackage{tikz}
\usetikzlibrary{graphs}
\usetikzlibrary{external}
\usetikzlibrary{positioning}
\tikzexternalize
\tikzsetexternalprefix{tikz/}





%% The following rule will cause the name of the files keeping a figure's
%% external PDF to be set based on the file that the TiKZ commands are
%% from. Without this, TiKZ will use numbers based on the order of
%% figures. These numbers can be hard to manage and they will also depend
%% on order in the final PDF, so it will be very buggy to manage them.
\newcommand{\includetikz}[2]{%
  \ifdefined\makepdf%
    \tikzsetnextfilename{#1}%
    \input{tex/src/#1.tex}%
  \else
    \includegraphics[#2]{tex/tikz/#1.eps}
  \fi
}





%% Uncomment the following lines for TiKZ external images to be saved as
%% EPS and PS images.
\tikzset{
  external/system call={
    rm -f "\image".eps "\image".ps "\image".dvi;
    latex \tikzexternalcheckshellescape -halt-on-error
          -interaction=batchmode -jobname "\image" "\texsource";
    dvips -o "\image".ps "\image".dvi;
    ps2eps "\image.ps"
  }
}





%% Inport and configure PGFPlots.
\usepackage{pgfplots}
\pgfplotsset{compat=newest}
\usepgfplotslibrary{groupplots}
\pgfplotsset{
  axis line style={thick},
  tick style={semithick},
  tick label style = {font=\footnotesize},
  every axis label = {font=\footnotesize},
  legend style = {font=\footnotesize},
  label style = {font=\footnotesize}
  }





%% Nodes in demo graphs

%% sub-Makefiles.
\tikzset{node-makefile/.style={
  thick,
  rectangle,
  anchor=north,
  minimum height=4.7cm,
  minimum width=2.1cm,
  draw=green!50!black!50,
  fill=black!10!green!12!white}}

%% Input files (green, sharp-edged boxes).
\tikzset{node-nonterminal/.style={
  rectangle,
  very thick,
  anchor=north,
  text centered,
  top color=white,
  text width=1.7cm,
  minimum height=4mm,
  draw=green!50!black!50,
  bottom color=green!80!black!50,
  font=\ttfamily}}

\tikzset{node-terminal/.style={
  rectangle,
  very thick,
  draw=blue!50,
  text centered,
  top color=white,
  text width=1.7cm,
  minimum height=4mm,
  rounded corners=2mm,
  bottom color=blue!20,
  font=\ttfamily}}


%%%%%%%%%%%%%%%%%%%

\tikzset{node-nonterminal-thin/.style={
  rectangle,
  thick,
  text centered,
  top color=white,
  text width=2cm,
  minimum size=2mm,
  draw=green!50!black!50,
  bottom color=green!80!black!50,
  font=\ttfamily\scriptsize}}

\tikzset{node-point/.style={
  circle,
  black!50,
  inner sep=0pt,
  minimum size=0pt,
  fill=white}}

\tikzset{ bbox/.style={
  rectangle,
  minimum width=2.5cm,
  rounded corners=2mm,
  very thick,draw=blue!50,
  top color=white,
  bottom color=blue!20 } }

\tikzset{ rbox/.style={
    rectangle,
    dotted,
    minimum width=2.5cm,
    rounded corners=2mm,
    very thick,draw=red!50!black!50,
    top color=white,
    bottom color=red!50!black!20 } }

\tikzset{ gbox/.style={
    rectangle,
    minimum width=2.5cm,
    very thick,
    draw=green!50!black!50,
    top color=white,
    bottom color=green!50!black!20 } }

\tikzset{ dirbox/.style={
    thick,
    rectangle,
    anchor=north,
    text centered,
    font=\ttfamily,
    minimum width=15cm,
    minimum height=7.5cm,
    draw=brown!50!black!50,
    fill=brown!10!white }}