LaTeX柱状图标注优化：文本对齐、标签显示及冗余移除问题

修改后的完整代码 #

\begin{figure}
    \centering
    \begin{tikzpicture}
        \begin{axis}[
            ybar,
            symbolic x coords={CRITICAL, HIGH, MEDIUM, LOW},
            xtick={CRITICAL, HIGH, MEDIUM, LOW}, % 明确指定X轴刻度，避免重复标签
            x tick label style={rotate=50, anchor=south, align=center}, % 调整标签锚点，实现居中对齐
            ymin=0, 
            bar width=0.8cm,
            nodes near coords, 
            axis x line=bottom,
            axis y line=left,
            enlarge x limits=0.2, % 缩小轴范围扩展比例，避免标签挤压
            ylabel={Anzahl},
        ]
        \addplot[draw=black, fill=red] coordinates {(CRITICAL, 3)};
        \addplot[draw=black, fill=orange] coordinates {(HIGH, 17)};
        \addplot[draw=black, fill=yellow] coordinates {(MEDIUM, 33)};
        \addplot[draw=black, fill=blue] coordinates {(LOW, 54)};
        \legend{} % 移除自动生成的图例（可选，若不需要图例则添加）
        \end{axis}
    \end{tikzpicture}
    \caption{Severity from the difference between Grype/Snyk and Docker Scout}
    \label{balkendiagramm_grype_scout}
\end{figure}

关键修改说明 #

• X轴文本居中：将x tick label style中的anchor=north east改为anchor=south，并添加align=center，让标签锚定在柱子正下方并居中对齐。
• 修复HIGH标签显示：把enlarge x limits=1调整为0.2，原参数会过度扩展X轴范围，导致标签被挤压或偏移，缩小比例后可确保所有标签正常显示。
• 移除重复LOW标签：添加xtick={CRITICAL, HIGH, MEDIUM, LOW}明确指定X轴刻度项，避免因多\addplot触发重复刻度渲染。

内容的提问来源于stack exchange，提问作者53845714nF