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TiKz：包 pgf 错误：没有已知的名为“图像”的形状

tag-icon • tag-icon tikz-pgf graphics
TiKz：包 pgf 错误：没有已知的名为“图像”的形状

实际上，我只是想将文档中的图形复制到另一个模板（mdpi 模板https://www.overleaf.com/latex/templates/mdpi-article-template/fcpwsspfzsph）我知道这个模板存在很大问题。

简化的部分我抄袭了：

\begin{figure}[ht]
\begin{tikzpicture}
\begin{scope}[ x={(image.south east)},y={(image.north west)}]
\node at (0.5,0.5) { \includegraphics[width=1\columnwidth]{figures/figure.png}};
    %% HERE WILL BE SOME NOTATIONS/ETC (I USE THE COORDINATE SYSTEM TO DRAW THEM ON TOP OF THE IMAGE)
    %% AND GRID that are commented
    %   \draw[help lines,xstep=.1,ystep=.1] (0,0) grid (1,1);
    %   \draw[help lines,xstep=.05,ystep=.05] (0,0) grid (1,1);
    %   \foreach \x in {0,1,...,9} { \node [anchor=north] at (\x/10,0) {0.\x}; }
    %   \foreach \y in {0,1,...,9} { \node [anchor=east] at (0,\y/10) {0.\y};}
 \end{scope}
\end{tikzpicture}
  \caption{Test figure.}
 \label{fig:figure1}
\end{figure}

当我尝试编译它时，我收到了一个相当意外的错误，即\begin{scope}[ x={(image.south east)},y={(image.north west)}] 对于Package pgf Error: "No shape named 'image' is known" 另一个模板来说，它运行完美。

可能存在什么问题？

提前感谢大家。谨致问候，

答案1

这与模板无关。答案很简单，就是少了一行：

\begin{figure}[ht]
\begin{tikzpicture}
\node[anchor=south west, inner sep=0] (image) at (0,0) {\includegraphics[width=0.8\columnwidth]{figures/figure1.png}};
\begin{scope}[x={(image.south east)},y={(image.north west)}]
% \node at (0.5,0.5) { \includegraphics[width=1\columnwidth]{figures/figure1.png}};
    %% HERE WILL BE SOME NOTATIONS/ETC (I USE THE COORDINATE SYSTEM TO DRAW THEM ON TOP OF THE IMAGE)
    %% AND GRID that are commented
      \draw[help lines,xstep=.1,ystep=.1] (0,0) grid (1,1);
      \draw[help lines,xstep=.05,ystep=.05] (0,0) grid (1,1);
      \foreach \x in {0,1,...,9} { \node [anchor=north] at (\x/10,0) {0.\x}; }
      \foreach \y in {0,1,...,9} { \node [anchor=east] at (0,\y/10) {0.\y};}
 \end{scope}
\end{tikzpicture}
  \caption{Test figure.}
 \label{fig:figure1}
\end{figure}

感谢评论者。它之所以没有在另一个模板/环境中失败，是因为节点是全局定义的，并且image使用了前一个实例的。

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