我想知道如何将 x 轴和 y 轴刻度更改为：
- 在 y 轴上添加英制单位并保持公制单位（双单位）
- 强制 x 轴上的每个标签都采用十进制形式（无科学计数法形式）并具有固定的小数位数（例如，轴应为 0.00、0.05、0.10、0.20 等）
下面是我的代码，可能有点乱，不过希望还是能实现上面两个目的。
我感谢任何人提供的帮助。
\documentclass{article}
\usepackage{pgfplots}
\begin{document}
\begin{tikzpicture}
\begin{axis}[
legend style={at={(1.4,0)},draw=none,anchor= south, legend columns=1, font=\small,text width=3in, minimum height=0.2in},
ymin=0,ymax=700,
xlabel = Strain,
every axis x label/.style=
{at={(ticklabel cs:0.5)},anchor=near ticklabel},
ylabel = Stress (MPa),
every axis y label/.style=
{at={(ticklabel cs:0.5)},rotate=90,anchor=near ticklabel},
xmin=0, xmax=0.35,
xtick={0.0,0.05,...,0.35},
xticklabel style={/pgf/number format/.cd,fixed zerofill,precision=3},
yticklabel style={/pgf/number format/.cd,fixed zerofill,precision=2},
width=0.75\linewidth,
height=0.58\linewidth,
font=\small,
axis x line=bottom,
axis y line=left,
]
\begin{scope}[
every pin edge/.style={<-,>=latex, mark size=3pt},
every pin/.append style={font=\small}
]
%Idea Connection 5% Strain Limit (True Material)
\addlegendentry{Engineering Stress Strain}
\addplot [name path=engineering,color = red,ultra thick, mark size=3pt,,mark options={fill=gray} opacity = 0.75] table [y=Y1, x=X1]{2021latex_source/Experiment/Stress-Strain/Engineering_Stress-Strain};
%\node[coordinate,pin={[pin distance=1 in,pin edge={gray,thick}]320:{39.85 kip, 5\% PE} } ]
%at (axis cs:0.041,39.848) {};
\addlegendentry{True Stress Strain}
\addplot [name path=true,color = blue,ultra thick, mark size=3pt,,mark options={fill=gray} opacity = 0.75] table [y=Y2, x=X2]{2021latex_source/Experiment/Stress-Strain/True_Stress-Strain};
\addlegendentry{(\ref{Callister, Stress}) $\sigma_T=\sigma_{e}*(1+\epsilon_{eng})$}
\addplot+[black,mark = none,mark size=3pt,mark options={fill=black}, only marks,opacity=0] coordinates {(-0.012,500)};
\addlegendentry{{(\ref{Callister, Strain}) $\epsilon_T=\ln*(1+\epsilon_{eng})$}}
\addplot+[black,mark = none,mark size=3pt,mark options={fill=black}, only marks,opacity=0] coordinates {(-0.012,500)};
%bracket for Zone A (before necking)
%\draw [pen colour={blue},decorate, decoration={calligraphic brace,amplitude=25pt,raise=1pt}] (axis cs:0,85) -- (axis cs:0.06,85) node[pos=0.5,above=25pt,black]{Zone 1 (Before Necking)};
\node[inner sep=0pt] (whitehead) at (axis cs:0.12,15)
{\includegraphics[width=.2\textwidth]{2021latex_source/Experiment/Stress-Strain/Engineering_Stress-Strain}};
\addplot+[black,mark = *,mark size=3pt,mark options={fill=black}, only marks] coordinates {(0.012
,439) (0.2,512) (0.182322,614.400000) (0.29,350)};
%Labels-----------------------------
\node[inner sep=0pt] (whitehead) at (axis cs:0.12,650)
{\small{Eq. (\ref{Callister, Stress}), (\ref{Callister, Strain})}};
\node[coordinate,pin={[pin distance=0.35 in,pin edge={gray,thick}]30:{Necking Point} } ]
at (axis cs:0.2,512) {};
\node[inner sep=0pt] (whitehead) at (axis cs:0.03,400)
{\small{A}};
\node[inner sep=0pt] (whitehead) at (axis cs:0.18,450)
{\small{B}};
\node[inner sep=0pt] (whitehead) at (axis cs:0.21,615)
{\small{B'}};
\node[inner sep=0pt] (whitehead) at (axis cs:0.31,350)
{\small{C}};
\node[inner sep=0pt] (whitehead) at (axis cs:0.1,160)
{\small{Hardening Region}};
\addplot [<->, black, dashed, thick] coordinates {(0.012,439) (0.012,0)};
\addplot [<->, black,dashed, thick] coordinates {(0.2,512) (0.2,0)};
\addplot [<->, black, thick] coordinates {(0.012,100) (0.2,100)};
\addplot [<->, black, dashed, thick] coordinates {(0.29,350) (0.29,0)};
\addplot [<->, black, thick] coordinates {(0.2,100) (0.29,100)};
\node[inner sep=0pt] (whitehead) at (axis cs:0.245,160)
{\small{Necking}};
\end{scope}
\end{axis}
\end{tikzpicture}
\end{center}
\caption{True Stress-Strain Conversion, Region ii}
\label{True Stress-Strain Conversion, Region ii}
\end{figure}
\end{document}
'''
答案1
像那样 ？
\documentclass{article}
\usepackage{pgfplots}
\usepackage{siunitx}
\begin{document}
\begin{tikzpicture}
\pgfplotsset{
width=0.75\linewidth,
height=0.58\linewidth,
xmin=0, xmax=0.35,
}
\begin{axis}[
xtick={0.0,0.05,...,0.35},
ymin=0,ymax=700, ytick={0,200,400,600},
every axis x label/.style={at={(ticklabel cs:0.5)},anchor=near ticklabel},
every axis y label/.style={at={(ticklabel cs:0.5)},rotate=90,anchor=near ticklabel},
font=\small,
xticklabel style={
/pgf/number format/.cd,
fixed,
fixed zerofill,
precision=3,
/tikz/.cd
},
yticklabel style={
/pgf/number format/.cd,
fixed,
fixed zerofill,
precision=2,
/tikz/.cd
},
axis x line=bottom,
axis y line=left,
xlabel = {Strain},
ylabel = {Stress (\unit{\mega\pascal})},
legend style={at={(1.4,0)},draw=none,anchor= south, legend columns=1, font=\small,text width=3in, minimum height=0.2in},
]
\end{axis}
\begin{axis}[
axis x line=none,
axis y line=right,
ymin=0,ymax=101.5, ytick={0,29,58.01,87.02},
ylabel={Stress (\unit{\kilo psi})},
y label style={, anchor=north}
]
\end{axis}
\end{tikzpicture}
\end{document}
- 优先使用
siunitx包进行单元编写。 - 在发送之前尝试编译你的 MWE。
- 英制单位不应该用于科学...（这是个人观点）