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tikz 错误：非法计量单位和缺失数字

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tikz 错误：非法计量单位和缺失数字

我有 3 个垂直排列的子条形图。但由于空间限制，第三个没有完全显示。Mico 建议我使用图形和子图环境。我已将表子表更改为图形子图。现在问题出在 \textwidth 上。我已经给它提供了一个数字，但 TexMaker 仍然告诉我缺少数字，而且它是非法的计量单位。

错误消息：！缺少数字，视为零。} l.16 \begin{subfigure}{0.9\textwidth} 这里应该有一个数字；我0'. (If you can't figure out why I needed to see a number, look up在 The TeXbook 的索引中插入了奇怪的错误。)！非法计量单位（插入了 pt）。

我的脚本如下，为了缩短脚本，这里我只给出了一个条形图：

\documentclass{article}
\usepackage{subfigure}
\usepackage{amsmath,amssymb,amsfonts,amsthm}
\usepackage{xcolor}
\usepackage{caption}
\usepackage{pgfplots}
\usepackage{tikz}
\definecolor{bblue}{HTML}{4F81BD}
\definecolor{rred}{HTML}{C0504D}
\definecolor{ggreen}{HTML}{9BBB59}
\definecolor{ppurple}{HTML}{9F4C7C}

\begin{document}
\begin{figure}
\begin{subfigure}{1\textwidth}
\centering
\begin{tikzpicture}
    \begin{axis}[
        width  = 1*\textwidth,
        height = 8cm,
        enlarge y limits={upper, value=0.2},
        ymin=0,
        major x tick style = transparent,
        ybar=2*\pgflinewidth,
        bar width=20pt,
        ymajorgrids = true,
        ylabel = {Percentage Error in X Direction \%},
        symbolic x coords={FH,UT,LT},
        xtick = data,
        nodes near coords,
        scaled y ticks = false,
        enlarge x limits=0.25,
        ymin=0,
        legend cell align=left,
        legend style={
                at={(1,1.05)},
                anchor=south east,
                column sep=1ex
        }
    ]
        \addplot[style={bblue,fill=bblue,mark=none]}]
            coordinates {(FH, 100) (UT,100) (LT,100)};

        \addplot[style={rred,fill=rred,mark=none}]
             coordinates {(FH, 89) (UT,170) (LT,173)};
        \legend{M,V}
    \end{axis}
\end{tikzpicture}
\caption{In longitudinal Direction}
\end{subfigure}
\end{figure}
\end{document}

先感谢您！

答案1

不要加载该subfigure包 - 它已被弃用。相反，加载该subcaption包。它与您在之前查询中加载的包相同，该查询与subtable环境有关。

由于条形图足够大，因此无法将这三个图全部放在一页上，因此我建议您使用宏\ContinuedFloat（由包提供caption）。将前两个subfigure环境放在figure一页上，将另一个环境subfigure连同\ContinuedFloat指令一起放在第二个figure环境中。

\documentclass{article}
%%\usepackage{subfigure} % Don't load this package -- it's deprecated!
\usepackage{amsmath,amssymb,amsfonts,amsthm}
\usepackage{xcolor}
\usepackage{caption,subcaption} % <-- load the "subcaption" package instead
\usepackage{pgfplots}
\usepackage{tikz}
\definecolor{bblue}{HTML}{4F81BD}
\definecolor{rred}{HTML}{C0504D}
\definecolor{ggreen}{HTML}{9BBB59}
\definecolor{ppurple}{HTML}{9F4C7C}

\begin{document}

\begin{figure}[p] % start of the first "figure" environment
\caption{Three bar charts}
\begin{subfigure}{1\textwidth}
\centering
\begin{tikzpicture}
    \begin{axis}[
        width  = 1*\textwidth,
        height = 8cm,
        enlarge y limits={upper, value=0.2},
        ymin=0,
        major x tick style = transparent,
        ybar=2*\pgflinewidth,
        bar width=20pt,
        ymajorgrids = true,
        ylabel = {Percentage Error in X Direction \%},
        symbolic x coords={FH,UT,LT},
        xtick = data,
        nodes near coords,
        scaled y ticks = false,
        enlarge x limits=0.25,
        ymin=0,
        legend cell align=left,
        legend style={
                at={(1,1.05)},
                anchor=south east,
                column sep=1ex
        }
    ]
        \addplot[style={bblue,fill=bblue,mark=none]}]
            coordinates {(FH, 100) (UT,100) (LT,100)};

        \addplot[style={rred,fill=rred,mark=none}]
             coordinates {(FH, 89) (UT,170) (LT,173)};
        \legend{M,V}
    \end{axis}
\end{tikzpicture}
\caption{First}
\end{subfigure}

\begin{subfigure}{1\textwidth}
\centering
\begin{tikzpicture}
    \begin{axis}[
        width  = 1*\textwidth,
        height = 8cm,
        enlarge y limits={upper, value=0.2},
        ymin=0,
        major x tick style = transparent,
        ybar=2*\pgflinewidth,
        bar width=20pt,
        ymajorgrids = true,
        ylabel = {Percentage Error in X Direction \%},
        symbolic x coords={FH,UT,LT},
        xtick = data,
        nodes near coords,
        scaled y ticks = false,
        enlarge x limits=0.25,
        ymin=0,
        legend cell align=left,
        legend style={
                at={(1,1.05)},
                anchor=south east,
                column sep=1ex
        }
    ]
        \addplot[style={bblue,fill=bblue,mark=none]}]
            coordinates {(FH, 100) (UT,100) (LT,100)};

        \addplot[style={rred,fill=rred,mark=none}]
             coordinates {(FH, 89) (UT,170) (LT,173)};
        \legend{M,V}
    \end{axis}
\end{tikzpicture}
\caption{Second}
\end{subfigure}
\end{figure} % End of the first "figure" environment

\begin{figure}[t!] % Start of the second "figure" environment
\ContinuedFloat % to ensure that the next subfigure is labelled "(c)", not "(a)"
\begin{subfigure}{1\textwidth}
\centering
\begin{tikzpicture}
    \begin{axis}[
        width  = 1*\textwidth,
        height = 8cm,
        enlarge y limits={upper, value=0.2},
        ymin=0,
        major x tick style = transparent,
        ybar=2*\pgflinewidth,
        bar width=20pt,
        ymajorgrids = true,
        ylabel = {Percentage Error in X Direction \%},
        symbolic x coords={FH,UT,LT},
        xtick = data,
        nodes near coords,
        scaled y ticks = false,
        enlarge x limits=0.25,
        ymin=0,
        legend cell align=left,
        legend style={
                at={(1,1.05)},
                anchor=south east,
                column sep=1ex
        }
    ]
        \addplot[style={bblue,fill=bblue,mark=none]}]
            coordinates {(FH, 100) (UT,100) (LT,100)};

        \addplot[style={rred,fill=rred,mark=none}]
             coordinates {(FH, 89) (UT,170) (LT,173)};
        \legend{M,V}
    \end{axis}
\end{tikzpicture}
\caption{Third}
\end{subfigure}
\end{figure} % End of the second "figure" environment

\end{document}

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