我正在使用 pgfplots 绘制一个图表，其中两个轴都是对数刻度。我无法在 y 轴上看到小刻度，尽管没有什么可以阻止它出现。
\documentclass[a4paper, 10pt]{article}
\usepackage[margin = 1in]{geometry}
\usepackage{tikz}
\usepackage{filecontents,pgfplots,pgfplotstable}
%\usepackage{subfigure} % The subfig package replaces the older subfigure package - don't use both of them at the same time.
\usepackage{subfig}
\usepackage{graphicx}
\usepackage[font=normalsize]{caption} % Float captions.
\usetikzlibrary{backgrounds,automata}
\definecolor{color0}{rgb}{0, 0, 0}
\definecolor{color1}{rgb}{0.82, 0.1, 0.26}
\definecolor{color2}{rgb}{0.6, 0.4, 0.8}
\definecolor{color3}{rgb}{0.2, 0.76, 0.30}
\definecolor{color4}{rgb}{0.90, 0.40, 0.12}
\definecolor{color5}{rgb}{0.0, 0.5, 0.0}
\definecolor{color6}{rgb}{0.23, 0.27, 0.29}
\definecolor{color7}{rgb}{0.53, 0.2, 0.16}
\definecolor{color8}{rgb}{0.15, 0.6, 0.8}
\definecolor{color9}{rgb}{0.32, 0.40, 0.50}
\begin{filecontents}{fig-4-Y50-JAlloy-2013-symb.dat}
0.016869759 37.76681404 0.171784179 49.91678965 1.796861093 69.29523177 16.11211768 89.71949457
0.020291403 47.3637568 0.206871669 64.18916607 2.170245764 85.47469296 19.32197383 109.0979367
0.025325377 65.6656188 0.258560657 88.24304183 2.722088317 117.6182993 24.02869179 126.353978
0.032197345 86.12064103 0.329227157 115.2805825 3.479324598 143.8253353 30.42976865 155.7292355
0.042474166 123.3703131 0.435083319 151.9150659 4.618347053 166.802631 39.96197531 175.9689417
\end{filecontents}
\begin{document}
\pgfplotstableread{fig-4-Y50-JAlloy-2013-symb.dat}{\YfiftyJAlloySymb}
\begin{figure}[!h]
\centering
\captionsetup[subfloat]{farskip=2pt,captionskip=2pt}
\subfloat[][]{
\begin{tikzpicture}[]
\begin{loglogaxis}[
xlabel={$t(s)$},
ylabel={$x(m)$},
legend style={at={(0.7,0.25)},anchor=west},
legend columns=1,
% for log axes, x filter operates on LOGS.
% and log(x * 1000) = log(x) + log(1000):
xmin = 0.005,
tick align=inside,
minor tick num=7,
ymin = 30, ymax = 200,
yticklabels={$10$, $10^1$, $10^2$, $10^3$},
log basis x=10,
log base 10 number format code/.code={$-10^{\pgfmathprintnumber{#1}}$},
]
\addplot[only marks, line width=1.5, color = color0] table [x index = {0}, y index = {1}] {\YfiftyJAlloySymb};
\addplot[only marks, line width=1.5, color = color1] table [x index = {2}, y index = {3}] {\YfiftyJAlloySymb};
\addplot[only marks, line width=1.5, color = color2] table [x index = {4}, y index = {5}] {\YfiftyJAlloySymb};
\addplot[only marks, line width=1.5, color = color3] table [x index = {6}, y index = {7}] {\YfiftyJAlloySymb};
\legend{$\,$ 493 K, $\,$ 533 K, $\,$ 573 K, $\,$ 613 K, $\,$ 653 K}
\end{loglogaxis}
\end{tikzpicture}
}
\end{figure}
\end{document}
答案1
评论太长了。
这是因为您的 y 范围太窄，少于十年。因此，最简单的解决方案是简单地以线性方式（而不是对数方式）绘制 y 轴。如果这不是一个选项，您可以使用minor y tick选项“手动”添加小刻度（参见下面的代码）。
（您的代码还显示您用“其他”值覆盖了默认值yticklabels。当然，如果您这样做，添加“正确”的次要刻度会困难得多。）
% used PGFPlots v1.17
\begin{filecontents}{fig-4-Y50-JAlloy-2013-symb.dat}
0.016869759 37.76681404 0.171784179 49.91678965 1.796861093 69.29523177 16.11211768 89.71949457
0.020291403 47.3637568 0.206871669 64.18916607 2.170245764 85.47469296 19.32197383 109.0979367
0.025325377 65.6656188 0.258560657 88.24304183 2.722088317 117.6182993 24.02869179 126.353978
0.032197345 86.12064103 0.329227157 115.2805825 3.479324598 143.8253353 30.42976865 155.7292355
0.042474166 123.3703131 0.435083319 151.9150659 4.618347053 166.802631 39.96197531 175.9689417
\end{filecontents}
\documentclass[border=5pt]{standalone}
\usepackage{pgfplots}
\definecolor{color0}{rgb}{0, 0, 0}
\definecolor{color1}{rgb}{0.82, 0.1, 0.26}
\definecolor{color2}{rgb}{0.6, 0.4, 0.8}
\definecolor{color3}{rgb}{0.2, 0.76, 0.30}
\begin{document}
\begin{tikzpicture}
\pgfplotstableread{fig-4-Y50-JAlloy-2013-symb.dat}{\YfiftyJAlloySymb}
\begin{loglogaxis}[
xlabel={$t$ / s},
ylabel={$x$ / m},
legend style={at={(0.7,0.25)},anchor=west},
legend columns=1,
xmin=0.005,
ymin=30,
ymax=200,
% minor tick num=7,
% yticklabels={$10$, $10^1$, $10^2$, $10^3$},
% log basis x=10,
% log base 10 number format code/.code={$-10^{\pgfmathprintnumber{#1}}$},
% ---------------------------------------------------------------------
% added stuff
% ---------------------------------------------------------------------
ytick={50,100,150},
minor ytick={30,40,...,200},
log ticks with fixed point,
only marks,
mark options={mark=*},
% ---------------------------------------------------------------------
]
\addplot+ [color=color0] table [x index=0,y index=1] {\YfiftyJAlloySymb};
\addplot+ [color=color1] table [x index=2,y index=3] {\YfiftyJAlloySymb};
\addplot+ [color=color2] table [x index=4,y index=5] {\YfiftyJAlloySymb};
\addplot+ [color=color3] table [x index=6,y index=7] {\YfiftyJAlloySymb};
\legend{493 K, 533 K, 573 K, 613 K, 653 K}
\end{loglogaxis}
\end{tikzpicture}
\end{document}
