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在投影机中禁用/启用双重徽标

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在投影机中禁用/启用双重徽标

我正在尝试在特定帧禁用双重徽标，其中图像可以与右侧徽标重叠，然后再启用它。

我的代码是

\PassOptionsToPackage{demo}{graphicx}
\documentclass{beamer}

\usepackage{ifthen}
\newboolean{doublelogo}%Double logo after a certain slide
\setboolean{doublelogo}{true}
\logo{%
  \makebox[0.99\paperwidth]{%
  \ifthenelse{\boolean{doublelogo}}{
    \includegraphics[width=0.8cm,keepaspectratio]{ntua-logo.jpg}}{}%
    \hfill%
    \includegraphics[width=0.8cm,keepaspectratio]{demokritos-logo.jpg}%
  }%
}

\begin{document}

\begin{frame}hjkl;
  \begin{columns}[T]
    \begin{column}{0.5\textwidth}
      \begin{itemize}
    \item Why : \uncover<1->{\begin{enumerate}
                          \item $Si,Ge$
                          \item Yes
                          \item No
                         \end{enumerate}}
      \item \uncover<2->{\setboolean{doublelogo}{false}\begin{enumerate}
                          \item non-Rutherford
                          \item $(p,\alpha)$
                         \end{enumerate}}
      \item Blue
    \end{itemize}
    \end{column}
    \begin{column}{0.5\textwidth}
     \includegraphics[width=\textwidth]{crossSections}\\
     \includegraphics[width=\textwidth]{alphaBG}
    \end{column}
  \end{columns}
\end{frame}

\end{document}

我的输出是

在此处输入图片描述

关于如何使其工作有什么想法或任何其他建议可以防止右侧徽标与图片重叠？

答案1

问题是，该徽标作为每个框架的一部分放置在文档中，您无法在框架内对其进行修改。但是，您可以将框架“分成”两个。另外，您不需要\uncover，只需写入< >。

使用以下代码：

\documentclass{beamer}
\usepackage{graphicx}

\logo{%
  \makebox[0.99\paperwidth]{%
    \includegraphics[width=0.8cm,keepaspectratio]{noimage}%
    \hfill%
    \includegraphics[width=0.8cm,keepaspectratio]{noimage}%
  }%
}

\begin{document}

\begin{frame}<1>[label=fr:1]
% HERE I defined, that only the items with <1> (or without a number) from this frame will show up
% I also labeled this frame "fr:1" for later use
  hjkl;
  \begin{columns}[T]
    \begin{column}{0.5\textwidth}
      \begin{itemize}
        \item<1-> Why :
          \begin{enumerate}
            \item $Si,Ge$
            \item Yes
            \item No
          \end{enumerate}
        \item<2->
          \begin{enumerate}
            \item non-Rutherford
            \item $(p,\alpha)$
          \end{enumerate}}
        \item Blue
      \end{itemize}
    \end{column}
    \begin{column}{0.5\textwidth}
      \only<1->{\rule{\linewidth}{\linewidth}}\\ % HERE by writing \only I just wanted to emphasize the difference between both frames
      \only<2->{\rule{\linewidth}{\linewidth}}
    \end{column}
  \end{columns}
\end{frame}

{ % start of frames with no logo
\setbeamertemplate{logo}{} % HERE I set logo to nothing
\againframe<2->{fr:1} % HERE I use the 2nd and every other part of "fr:1"
} % end of frames with no logo
% these brackets are important because otherwise the no-logo style will apply to the rest of your document

\end{document}

在此处输入图片描述

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