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\includegraphics 在 a0poster 中

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\includegraphics 在 a0poster 中 
\documentclass[a0,final]{a0poster}
%%%Load packages
\usepackage{multicol}           %3-column layout
\usepackage[left=3cm,right=3cm,bottom=0cm,top=0cm]{geometry}            %Reset margins
\usepackage{helvet}             %Load Helvetica font & CM math
\usepackage{color}              %Needed for colour boxes & coloured text
\usepackage{graphics}
%%%Define colours and lengths
\definecolor{headingcol}{rgb}{1,1,1}            %Colour of main title
\definecolor{boxcol}{rgb}{0.7,0.2,0.2}      %Edge-colour of box and top banner
\fboxsep=1cm                            %Padding between box and text
\setlength{\columnsep}{3cm}             %Set spacing between columns
\renewcommand{\familydefault}{\sfdefault}   %Set main text to sans-serif

%%%Format title
\makeatletter                           %Needed to include code in main file
\renewcommand\@maketitle{%
\null                                   %Sets position marker
{
\color{headingcol}\sffamily\VERYHuge        %Set title font and colour
\@title \par}%
\vskip 0.6em%
{
\color{white}\sffamily\large                %Set author font and colour
\lineskip .5em%
\begin{tabular}[t]{l}%
\@author
\end{tabular}\par}%
\vskip 1cm
\par
}
\makeatother

\title{hello world \LaTeX}

\author{Author A \& Author B\\
University College London}

\begin{document}
\hspace{-3cm}                               %Align with edge of page, not margin
\colorbox{boxcol}{                          %Coloured banner across top
\begin{minipage}{1189mm}                    %Minipage for title contents
\maketitle
\end{minipage}}
\vspace{1cm}

\begin{multicols}{3}                            %Use 3-column layout
\raggedcolumns                          %Don't stretch contents vertically

%%%Column1
\section*{Introduction}


\section*{Method}

\includegraphics[scale=0.5cm]{burnsideTri.png}



\columnbreak

%%%Column 2
\section*{Maths}

\section*{Lists and tables}

\columnbreak

%%%Column 3
\section*{Discussion}

\nocite*

%\bibliographystyle{plain}
%\bibliography{halobib}

\end{multicols}
\end{document}

我想放大我包含的图像。但是，当我尝试在 \includegraphics[]{} 中的 [] 字段中放入任何内容时，会抛出错误。但是，它只适用于 \includegraphics{}。有人能提供解决方案吗？

那是，

 \section*{Method}
    \includegraphics[scale=0.5cm]{burnsideTri.png}

为什么这里会抛出错误，而不是

\includegraphics{burnsideTri.png}

答案1

缩放图像的命令是\includegraphics[scale=0.5]{burnsideTri.png}（不是0.5cm）。如果要指定某个宽度，则为width=0.5cm。

您应该加载graphicx而不是graphics因为前者更为现代（而且我从未使用过后者，所以也许缩放不起作用，我不知道）。

只是为了向您展示什么是 MWE。

这就是你的问题看起来的样子，没有任何噪音：

\documentclass{a0poster}
\usepackage{graphics}

\begin{document}
    \includegraphics[scale=0.5cm]{burnsideTri.png}
\end{document}

我的答案是：

% arara: pdflatex

\documentclass{a0poster}
\usepackage[demo]{graphicx} % the demo option must be taken away. I did not have you image

\begin{document}
    \includegraphics[scale=0.5]{burnsideTri} % the file ending png can be ommited. 
\end{document}

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