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Question

Introduction. I am cross-referencing tables and figures from a supplementary.tex file to a main.tex file, by using the xr package and the latexmkrc file (I copied and pasted the latexmkrc file from Cross referencing with the xr package in Overleaf). In other words, in the main.tex file, I need to "call" the references of figures and tables, which are defined in the supplementary.tex file. My MWE is the following:

supplementary.tex

\documentclass{article}
\usepackage{hyperref}
\usepackage{graphicx}
\usepackage{subcaption}
\usepackage{cleveref}

\begin{document}

\section{Tables}
\label{supp_table}
\begin{table}[ht]
\centering
  \begin{tabular}{ll}
    \hline material  & T [K] \\ \hline
    Sn               & 3,7   \\
    Pb               & 7,2   \\
    Al               & 1,2   \\ \hline
  \end{tabular}
\caption{My table.}
\label{my_table}
\end{table}

\section{Figures}
\label{supp_fig}
\begin{figure*}[h]
  \centering
  \begin{subfigure}{0.4\textwidth}
    \includegraphics[width=\linewidth]{figure1/test_figure_latex1}
    \caption{Left}
  \end{subfigure}
  \begin{subfigure}{0.4\textwidth}
    \includegraphics[width=\linewidth]{figure1/test_figure_latex2}
    \caption{Right}
  \end{subfigure}
  \caption{My figure.}
  \label{my_figure}
\end{figure*}

\end{document}

main.tex

\documentclass[12pt]{article}
\usepackage{hyperref}
\usepackage{cleveref}
\usepackage{xr}

\makeatletter
\newcommand*{\addFileDependency}[1]{
\typeout{(#1)}
\@addtofilelist{#1}
\IfFileExists{#1}{}{\typeout{No file #1.}}
}\makeatother
\newcommand*{\myexternaldocument}[1]{%
\externaldocument{#1}%
\addFileDependency{#1.tex}%
\addFileDependency{#1.aux}%
}
\myexternaldocument{supplementary}

\begin{document}

\noindent
In \Cref{supp_table} there is \Cref{my_table}.\\ \\
In \Cref{supp_fig} there is \Cref{my_figure}.

\end{document}

Question. Once I am in the main.tex file, how can I automatically add the word "Supplementary" to the referenced figures and tables which are defined in the supplementary.tex file? (in order to have the following names: "Supplementary Figure" and "Supplementary Table")

Desired Output. My desired is to get automatically the names "Supplementary Figure" and "Supplementary Table" as outputs of the main file as follows: In this moment, instead, I am adding "by hand" the word "Supplementary" to each figure and table which were defined in the supplementary file.

Note after the @gusbrs solution.

To people interested in this topic and in the method here kindly provided by @gusbrs: you might be also interested in How can I pass the name of a section from a tex file to another (with "zref-clever")? and in the @gusbrs great solution!

Answer 1

This is how I'd go about this using zref-clever (you may be able to pull off a similar approach using cleveref, but I'm not sure it would be this straightforward to remap the reference types).

supplementary.tex:

\documentclass{article}

\usepackage{zref-clever}
\usepackage{graphicx}
\usepackage{subcaption}
\usepackage{hyperref}

\zcsetup{
  countertype={
    section=suppsection,
    table=supptable,
    figure=suppfigure,
    % And others you might need...
  },
}

\zcLanguageSetup{english}{
  type = suppsection ,
    Name-sg = Section ,
    name-sg = section ,
    Name-pl = Sections ,
    name-pl = sections ,
  type = suppfigure ,
    Name-sg = Figure ,
    name-sg = figure ,
    Name-pl = Figures ,
    name-pl = figures ,
  type = supptable ,
    Name-sg = Table ,
    name-sg = table ,
    Name-pl = Tables ,
    name-pl = tables ,
  % And others you might need...
}

\begin{document}

\section{Tables}
\label{supp_table}
\begin{table}[ht]
\centering
  \begin{tabular}{ll}
    \hline material  & T [K] \\ \hline
    Sn               & 3,7   \\
    Pb               & 7,2   \\
    Al               & 1,2   \\ \hline
  \end{tabular}
\caption{My table.}
\label{my_table}
\end{table}

\section{Figures}
\label{supp_fig}
\begin{figure*}[h]
  \centering
  \begin{subfigure}{0.4\textwidth}
    \includegraphics[width=\linewidth]{example-image-a}
    \caption{Left}
  \end{subfigure}
  \begin{subfigure}{0.4\textwidth}
    \includegraphics[width=\linewidth]{example-image-b}
    \caption{Right}
  \end{subfigure}
  \caption{My figure.}
  \label{my_figure}
\end{figure*}

\end{document}

main.tex:

\documentclass[12pt]{article}

\usepackage{zref-clever}
\usepackage{zref-xr}
\usepackage{graphicx}
\usepackage{hyperref}

\zexternaldocument{supplementary}

\zcLanguageSetup{english}{
  type = suppsection ,
    Name-sg = Supplementary section ,
    name-sg = supplementary section ,
    Name-pl = Supplementary sections ,
    name-pl = supplementary sections ,
  type = suppfigure ,
    Name-sg = Supplementary figure ,
    name-sg = supplementary figure ,
    Name-pl = Supplementary figures ,
    name-pl = supplementary figures ,
  type = supptable ,
    Name-sg = Supplementary table ,
    name-sg = supplementary table ,
    Name-pl = Supplementary tables ,
    name-pl = supplementary tables ,
  % And others you might need...
}

\begin{document}

\section{References}

In \zcref{supp_table} there is \zcref{my_table}.

In \zcref{supp_fig} there is \zcref{my_figure}.

\bigskip{}

Now, note why using a different reference type for the supplementary
references, even if it requires some work to setup, pays off.

You can get start of sentence, capitalization and other options to work
correctly, and without fuss.  \zcref[S]{supp_table} is a table in
supplementary.tex, for example.

You can mix references from supplementary and main and get proper results:
\zcref{main_table, my_table_main, main_fig, my_figure_main, supp_table,
  my_table, supp_fig, my_figure}.

Etc.

\section{Tables}
\label{main_table}
\begin{table}[ht]
\centering
  \begin{tabular}{ll}
    \hline material  & T [K] \\ \hline
    Sn               & 3,7   \\
    Pb               & 7,2   \\
    Al               & 1,2   \\ \hline
  \end{tabular}
\caption{My table.}
\label{my_table_main}
\end{table}

\section{Figures}
\label{main_fig}
\begin{figure}
  \includegraphics{example-image-b}
  \caption{My figure.}
  \label{my_figure_main}
\end{figure}

\end{document}