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使用 onslide 和 overprint 以及 setbeamercovered{invisible} 时，表格标题透明

tag-icon • tag-icon tables beamer overlays transparency
使用 onslide 和 overprint 以及 setbeamercovered{invisible} 时，表格标题透明

以下操作正确，因为正确的表格在正确的时间显示，并且所有对齐方式均按预期工作。唯一的问题是，虽然表格主体显示正常，但表格标题却像被 一样被阴影化了\setbeamercovered{transparent}。

\begin{frame}
\frametitle{Reduced Resource Requirements}
\begin{columns}
  \begin{column}[c]{0.5\textwidth}
  \setbeamercovered{transparent}
    \hspace{-2em}
    \begin{itemize}
    \onslide<1>\item $95\%$ decrease disk footprint
    \onslide<2>\item $86\%$ decrease memory footprint
    \onslide<3>\item $62\%$ decrease in runtime
    \end{itemize}
  \end{column}

  \begin{column}[c]{0.5\textwidth}
  \setbeamercovered{invisible}
    \begin{overprint}

      \onslide<1>
        \begin{table}
          \centering
          \caption{On Disk Requirement}
          \begin{tabular}{r|l}
            AST & Source code         \\
                & \& build toolchain  \\
            ASM & Assembly code       \\
                & assembler \& linker \\
            ELF & Compiled executable \\
          \end{tabular}
        \end{table}

      \onslide<2>
        \begin{table}
          \centering
          \caption{Memory(MB) Requirements}
          \begin{tabular}{r|l}
            AST & 1402 \\
            ASM & 756  \\
            ELF & 200  \\
          \end{tabular}
        \end{table}

      \onslide<3>
        \begin{table}
          \centering
          \caption{Runtime (Sec)}
          \begin{tabular}{r|l}
            AST & 229.50 \\
            ASM & 278.30 \\
            ELF & 74.20  \\
          \end{tabular}
        \end{table}

    \end{overprint}
  \end{column}

\end{columns}
\end{frame}

我尝试将每个表包装在一个块中，但这会导致 TeX 堆栈溢出问题。任何想法都非常感谢。

答案1

的行为\onslide取决于它是在overprint环境内部使用还是单独使用。在环境外部，您必须使用括号来分隔命令的参数\onslide。这似乎可以解决问题：

\documentclass{beamer}

\begin{document}

\begin{frame}
\frametitle{Reduced Resource Requirements}
\begin{columns}
  \begin{column}[c]{0.5\textwidth}
  \setbeamercovered{transparent}
    \hspace{-2em}
    \begin{itemize}
    \onslide<1>{\item $95\%$ decrease disk footprint}
    \onslide<2>{\item $86\%$ decrease memory footprint}
    \onslide<3>{\item $62\%$ decrease in runtime}
    \end{itemize}
  \end{column}

  \begin{column}[c]{0.5\textwidth}
  \setbeamercovered{invisible}
    \begin{overprint}

      \onslide<1>
        \begin{table}
          \centering
          \caption{On Disk Requirement}
          \begin{tabular}{r|l}
            AST & Source code         \\
                & \& build toolchain  \\
            ASM & Assembly code       \\
                & assembler \& linker \\
            ELF & Compiled executable \\
          \end{tabular}
        \end{table}

      \onslide<2>
        \begin{table}
          \centering
          \caption{Memory(MB) Requirements}
          \begin{tabular}{r|l}
            AST & 1402 \\
            ASM & 756  \\
            ELF & 200  \\
          \end{tabular}
        \end{table}

      \onslide<3>
        \begin{table}
          \centering
          \caption{Runtime (Sec)}
          \begin{tabular}{r|l}
            AST & 229.50 \\
            ASM & 278.30 \\
            ELF & 74.20  \\
          \end{tabular}
        \end{table}

    \end{overprint}
  \end{column}

\end{columns}
\end{frame}

\end{document}

\onslide就您而言，如果您利用了覆盖意识，您甚至不需要使用\item：

\documentclass{beamer}

\begin{document}

\begin{frame}
\frametitle{Reduced Resource Requirements}
\begin{columns}
  \begin{column}[c]{0.5\textwidth}
  \setbeamercovered{transparent}
    \hspace{-2em}
    \begin{itemize}
    \item<1> $95\%$ decrease disk footprint
    \item<2> $86\%$ decrease memory footprint
    \item<3> $62\%$ decrease in runtime
    \end{itemize}
  \end{column}

  \begin{column}[c]{0.5\textwidth}
  \setbeamercovered{invisible}
    \begin{overprint}

      \onslide<1>
        \begin{table}
          \centering
          \caption{On Disk Requirement}
          \begin{tabular}{r|l}
            AST & Source code         \\
                & \& build toolchain  \\
            ASM & Assembly code       \\
                & assembler \& linker \\
            ELF & Compiled executable \\
          \end{tabular}
        \end{table}

      \onslide<2>
        \begin{table}
          \centering
          \caption{Memory(MB) Requirements}
          \begin{tabular}{r|l}
            AST & 1402 \\
            ASM & 756  \\
            ELF & 200  \\
          \end{tabular}
        \end{table}

      \onslide<3>
        \begin{table}
          \centering
          \caption{Runtime (Sec)}
          \begin{tabular}{r|l}
            AST & 229.50 \\
            ASM & 278.30 \\
            ELF & 74.20  \\
          \end{tabular}
        \end{table}

    \end{overprint}
  \end{column}

\end{columns}
\end{frame}

\end{document}

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