\newcommand{\appendGnuplot}[4][]{\appendFigure{#2}{\begin{adjustbox}%
  {#1,min width=\textwidth,min totalheight=\textheightleft,max width=\textwidth,max totalheight=\textheightleft}\agnuplot#3{}{}{}{}\end{adjustbox}}{#4}}%
\newcommand{\AppendGnuplot}[4][]{\AppendFigure{#2}{\begin{adjustbox}%
  {#1,min width=\textwidth,min totalheight=\textheightleft,max width=\textwidth,max totalheight=\textheightleft}\agnuplot#3{}{}{}{}\end{adjustbox}}{#4}}%
\newcommand{\appendGnuplotSideways}[4][]{\appendFigureSideways{#2}{\begin{adjustbox}%
  {#1,min width=\textheightleft,min totalheight=\textwidth,,max totalheight=\textwidth}\agnuplot#3{}{}{}{}\end{adjustbox}}{#4}}%
\newcommand{\AppendGnuplotSideways}[4][]{\AppendFigureSideways{#2}{\begin{adjustbox}%
  {#1,min width=\textheightleft,min totalheight=\textwidth,max width=\textheightleft,max totalheight=\textwidth}\agnuplot#3{}{}{}{}\end{adjustbox}}{#4}}%
\newcommand{\appendPDF}[4][]{\appendFigure{#2}{\directlua{markFileAsUsed([[#3]])}%
  \includegraphics[#1,width=\textwidth,height=\textheight,keepaspectratio]{#3}}{#4}}%
\newcommand{\AppendPDF}[4][]{\AppendFigure{#2}{\directlua{markFileAsUsed([[#3]])}%
  \includegraphics[#1,width=\textwidth,height=.96\textheight,keepaspectratio]{#3}}{#4}}%
\newcommand{\appendPDFsideways}[4][]{\appendFigureSideways{#2}{\directlua{markFileAsUsed([[#3]])}%
  \includegraphics[#1,width=\textwidth,height=\textheight,keepaspectratio,angle=-90]{#3}}{#4}}%
\newcommand{\AppendPDFsideways}[4][]{\AppendFigureSideways{#2}{\directlua{markFileAsUsed([[#3]])}%
  \includegraphics[#1,width=\textwidth,height=.96\textheight,keepaspectratio,angle=-90]{#3}}{#4}}%

\gdef\@rotatedPage{false}
\newcommand{\@RotatePages}[1]{\ifthenelse{\equal{\directlua{tex.print(neverRotatePages)}}{true}}{}{\global\pdfpageattr\expandafter{\the\pdfpageattr/Rotate #1}}}
%\newcommand{\@RotatePages}[1]{}
\def\rotatePages  {\ifthenelse{\equal{\@rotatedPage}{true}}{}{\@RotatePages{90}\gdef\@rotatedPage{true}}}
\def\unrotatePages{\ifthenelse{\equal{\@rotatedPage}{true}}{\@RotatePages{0}\gdef\@rotatedPage{false}}{}}

\ifthenelse{\isundefined{\chapter}}
  {\ifthenelse{\isundefined{\section}}
    {\newcounter{ctrAppendix}}
    {\newcounter{ctrAppendix}[section]}}
  {
    \newcounter{ctrAppendix}[chapter]
    \renewcommand*\thectrAppendix{\thechapter.\arabic{ctrAppendix}}%
  }

\def\@CaptionedAppendix{false}
\def\enableCaptionedAppendix{\def\@CaptionedAppendix{true}}
\def\disableCaptionedAppendix{\def\@CaptionedAppendix{false}}

\newcommand{\@MaybeCaptioned}[2]
{%
  \begin{figure}[H]%
    %\centering%
    \ifthenelse{\equal{\@CaptionedAppendix}{true}}%
      {%
        \scalebox{.95}{#2}
        \caption{#1}%
      }%
      {#2}%
  \end{figure}%
}
\newcommand{\@MaybeCaptionedRotated}[2]
{\vfill\rotatebox{90}{\parbox[c][\textwidth][c]{0px}{\@MaybeCaptioned{#1}{#2}}}}

\newcommand{\appendFigure}[3]%
{%
  %1  – title%
  %2  – content%
  %3  – label%
  \clearpage%
  \unrotatePages%
  \refstepcounter{ctrAppendix}%
  \ifthenelse{\isempty{#1}}{}{\expandafter\subsubsection{#1}}%
  \labelAppendix{#3}%
  \expandafter\belowpdfbookmark{\nolink{#1}}{page:\thepage}%
  \expandafter\addxcontentsline{toc}{section}{\nolink{#1}}%
  \@MaybeCaptioned{#1}{#2}%
}%

\newcommand{\appendFigureSideways}[3]%
{%
  %1  – title%
  %2  – content%
  %3  – label%
  \clearpage%
  \rotatePages%
  \refstepcounter{ctrAppendix}%
  \ifthenelse{\isempty{#1}}{}{\expandafter\subsubsection{#1}}%
  \labelAppendix{#3}%
  \expandafter\belowpdfbookmark{\nolink{#1}}{page:\thepage}%
  \expandafter\addxcontentsline{toc}{section}{\nolink{#1}}%
  \@MaybeCaptionedRotated{#1}{#2}%
  %\leavevmode\unrotatePages%
}%

\newcommand{\AppendFigure}[3]%
{%
  %1  – title%
  %2  – content%
  %3  – label%
  %\newpage%
  %\clearpage%
  %\refstepcounter{ctrAppendix}
  %\ifthenelse{\isempty{#3}}%
  %  {}%
  %  {\label{#3}}%
  \unrotatePages%
  \expandafter\subsubsection*{#1}%
  %\expandafter\belowpdfbookmark{\nolink{#1}}{page:\thepage}%
  %\expandafter\addxcontentsline{toc}{section}{\nolink{#1}}%
  \@MaybeCaptioned{#1}{#2}%
}%

\newcommand{\AppendFigureSideways}[3]%
{%
  %1  – title%
  %2  – content%
  %3  – label%
  %\newpage%
  %\clearpage%
  %\refstepcounter{ctrAppendix}
  %\ifthenelse{\isempty{#3}}%
  %  {}%
  %  {\label{#3}}%
  \rotatePages%
  \expandafter\subsubsection*{#1}%
  %\expandafter\belowpdfbookmark{\nolink{#1}}{page:\thepage}%
  %\expandafter\addxcontentsline{toc}{section}{\nolink{#1}}%
  \@MaybeCaptionedRotated{#1}{#2}%
  %\leavevmode\unrotatePages%
}%