how to fit a whole picture on page in latex
\newlength{\textundbildtextheight}
\newcommand{\textundbild}[2]{
\settototalheight\textundbildtextheight{\vbox{#1}}
#1
\vfill
\begin{center}
\includegraphics[width=\textwidth,keepaspectratio=true,height=\textheight-\the\textundbildtextheight]{#2}
\end{center}
\vfill
}latex full width image two column
\onecolumn
\begin{figure}[H]
\includegraphics{arc}
\end{figure}
\twocolumnCopyright © 2021 Codeinu
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