main.tex

%% main.tex
%% Copyright 2022 Robert Grzonka
%
% This work may be distributed and/or modified under the
% conditions of the LaTeX Project Public License, either version 1.3
% 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 1.3 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 Robert Grzonka.
%
% This work consists of all files listed in manifest.txt.
\documentclass[crop]{standalone}

% main font
\usepackage{fontspec}
\setmainfont{Latin Modern Roman}

% math font
\usepackage{amsmath}
\usepackage{unicode-math}
\setmathfont{Latin Modern Math}
\unimathsetup{
    math-style=ISO,
	bold-style=ISO,
	sans-style=italic,
	nabla=upright,
	partial=upright,
}

% units
\usepackage{siunitx}
\sisetup{
    unit-font-command=\symup,
    locale=DE,
    round-mode=figures,
    round-precision=3,
}

% chemistry
%redefine chemgreek_text to use upright math alphabet instead
\usepackage{chemmacros}
\chemsetup{
    greek=fontspec,
}
\ExplSyntaxOn
\cs_set_protected:Nn \chemgreek_text:n
    {\ensuremath{\symup{#1}}}
\ExplSyntaxOff

% pictures
\usepackage{tikz}

% plots & global settings
\usepackage{pgfplots}
\usepgfplotslibrary{groupplots}
\pgfplotsset{
    compat=1.18,
    xlabel=$t$ / \unit{\nano\second},
    legend style={
        legend pos=north east,
        legend cell align=left,
        legend columns=1,
        name=legend,
    },
    enlarge x limits=false,
    enlarge y limits=0.05,
    tick pos=lower,
    tick align=outside,
    extra tick style={
        grid=major,
        major grid style={
            dashed,
            thick,
        },
    },
    clip marker paths=true,
    clip limits=true,
}

% define some line styles
\pgfplotsset{
    data/.style={
        only marks,
        mark=*,
        mark size=0.4,
    },
    fit/.style={
        very thick,
        no marks,
        line join=round,
    },
    residuals/.style={
        black,
        data,
    },
}

% number format
% german locale
\pgfkeys{
    /pgf/number format/.cd,
    read comma as period,
    set decimal separator={{{,}}},
    set thousands separator={\,},
}

\begin{document}
\begin{tikzpicture}
\begin{groupplot}[
    group style={
        columns=1,
        rows=1,
        xlabels at=edge bottom,
    },
    width=14cm,
    scale only axis,
    xmin=20,
    xmax=80,
]

\nextgroupplot[
    height=8cm,
    ylabel=$I$ / counts,
    ymode=log,
    ymin=1,
    try min ticks=5,
    cycle list name=color list,
    extra description/.code={
        \node[left=0.03,anchor=north east] at (legend.north west) {
            \shortstack[l]{
                \textbf{Rhodamin B}
            }
        };
    },
]

%\addplot+ [data] table [x=t, y=chcl3_irf, col sep=tab]{data/tcspc_daten-1_fit.txt};
%\addlegendentry{IRF}

\pgfplotsinvokeforeach{chcl3,etoh,h2o,iproh}{
    \addplot [data, forget plot] table [x=t, y=#1_dec, col sep=tab]{data/tcspc_daten-1_fit.txt};
}

\pgfplotsinvokeforeach{chcl3,etoh,h2o,iproh}{
    \addplot+ [fit] table [x=t, y=#1_fit, col sep=tab]{data/tcspc_daten-1_fit.txt};
}

\legend{
    \ch{CHCl3},
    \ch{EtOH},
    \ch{H2O},
    \ch{^{\textit{i}}PrOH},
}

%\nextgroupplot[
%    height=1.5cm,
%    ylabel=Residuals / $\sigma$,
%    try min ticks=3,
%    extra y ticks={0},
%]

%\addplot [residuals] table [x=t, y=chcl3_res, col sep=tab]{data/tcspc_daten-1_fit.txt};

\end{groupplot}
\end{tikzpicture}
\end{document}