重叠xticks是因为它们间距不均匀。初始xticks间距为 2 到 5 点，而后续间距为 50 点。
我想要在以下点 1、2、5、10、20、50、150、200、250 和 300 处绘图。
下面是我的代码
\documentclass[journal]{IEEEtran}
\usepackage{graphicx}
\usepackage{epstopdf}
\usepackage{tikz}
\usepackage{etoolbox}
\usepackage{pgfplots}
\usepackage[font=small,labelfont=bf]{caption}
\begin{document}
\pgfplotsset{footnotesize,samples=10}
\begin{figure}
\centering
\begin{tikzpicture}
\begin{axis}[ % The height and width argument only apply to the actual axis
height=5cm,
width=12cm,
xlabel={Packets Generation Rate (Packets/s)},
ylabel={Throughput (kbps)},
xmin=0, xmax=300,
ymin=0, ymax=8,
xtick= {1,2,5,10,20,50,100,150,200,250,300},
% xticklabels = {1,2,5,10,20,50,100,150,200,250,300},
ytick= {0,1,2,3,4,5,6,7,8},
legend pos=outer north east,
ymajorgrids=true,
grid style=dashed,
]
\addplot+[
color=blue,
thick,
smooth,
]
coordinates {
(1 ,1.7)(2 ,2.7)(5 ,4)(10 ,5.5)(20 ,5.2)(50 ,6.2)(100, 7)(150, 6.5)(200, 5.9)(250, 5.2)(300, 4.8)};
\label{plot_two}
\addlegendentry{1-hop}
\addplot+[
color=magenta,
thick,
smooth,
]
coordinates {
(1 ,1.5)(2 ,2.3)(5 ,3.1)(10 , 3.9)(20 , 4)(50 , 4.8)(100, 5)(150, 4.1)(200, 3.8)(250, 3.8)(300, 2.5)};
\addlegendentry{2-hop}
\addplot+[
color=black,
thick,
smooth,
]
coordinates {
(1 , 1.5)(2 , 2)(5 , 2.5)(10 , 3)(20 , 2.8)(50 , 3.6)(100, 3.6)(150, 3.2)(200, 2.9)(250, 2.4)(300, 1.8)};
\addlegendentry{3-hop}
\addplot+[
color=orange,
thick,
smooth,
]
coordinates {
(1 ,1.4)(2 ,1.9)(5 ,2.1)(10 , 2.7)(20 , 2.4)(50 , 2.8)(100, 2.7)(150, 2.3)(200, 1.9)(250, 1.8)(300, 1.7)};
\addlegendentry{4-hop}
\addplot+[
color=green,
thick,
smooth,
]
coordinates {
(1 ,1.2)(2 ,1.6)(5 ,1.9)(10 , 2.1)(20 , 2.2)(50 , 2.5)(100, 2.3)(150, 2)(200, 1.7)(250, 1.3)(300, 1.1)};
\addlegendentry{5-hop}
\end{axis}
\end{tikzpicture}
\end{figure}
\end{document}
答案1
一个快速的答案可能是使用两个axis环境，使用不同的选项来选择每个环境的绘图范围。然后使用范围来获得xlabel两者的共享中心axis。
axis我非常确定有更漂亮的解决方案，尤其是关于使用一些边界框对两者进行相对定位。
\documentclass{article}
\usepackage{graphicx}
\usepackage{epstopdf}
\usepackage{tikz}
\usepackage{etoolbox}
\usepackage{pgfplots}
\usepackage[font=small,labelfont=bf]{caption}
\pgfplotsset{footnotesize,samples=10,compat=1.5}
\usetikzlibrary{positioning,calc}
\newcommand{\axistoberepeated}[2]{
\begin{axis}[ % The height and width argument only apply to the actual axis
height=5cm,
width=5cm,
ylabel={Throughput (kbps)},
xmin=0, xmax=20,
ymin=0, ymax=8,
xtick= {1,2,5,10,20,50,100,150,200,250,300},
% xticklabels = {1,2,5,10,20,50,100,150,200,250,300},
ytick= {0,1,2,3,4,5,6,7,8},
legend pos=outer north east,
ymajorgrids=true,
grid style=dashed,
#1
]
\addplot+[
color=blue,
thick,
smooth,
]
coordinates {
(1 ,1.7)(2 ,2.7)(5 ,4)(10 ,5.5)(20 ,5.2)(50 ,6.2)(100, 7)(150, 6.5)(200, 5.9)(250, 5.2)(300, 4.8)};
\label{plot_two}
\addlegendentry{1-hop}
\addplot+[
color=magenta,
thick,
smooth,
]
coordinates {
(1 ,1.5)(2 ,2.3)(5 ,3.1)(10 , 3.9)(20 , 4)(50 , 4.8)(100, 5)(150, 4.1)(200, 3.8)(250, 3.8)(300, 2.5)};
\addlegendentry{2-hop}
\addplot+[
color=black,
thick,
smooth,
]
coordinates {
(1 , 1.5)(2 , 2)(5 , 2.5)(10 , 3)(20 , 2.8)(50 , 3.6)(100, 3.6)(150, 3.2)(200, 2.9)(250, 2.4)(300, 1.8)};
\addlegendentry{3-hop}
\addplot+[
color=orange,
thick,
smooth,
]
coordinates {
(1 ,1.4)(2 ,1.9)(5 ,2.1)(10 , 2.7)(20 , 2.4)(50 , 2.8)(100, 2.7)(150, 2.3)(200, 1.9)(250, 1.8)(300, 1.7)};
\addlegendentry{4-hop}
\addplot+[
color=green,
thick,
smooth,
]
coordinates {
(1 ,1.2)(2 ,1.6)(5 ,1.9)(10 , 2.1)(20 , 2.2)(50 , 2.5)(100, 2.3)(150, 2)(200, 1.7)(250, 1.3)(300, 1.1)};
\addlegendentry{5-hop}
#2
\end{axis}
}
\begin{document}
\begin{figure}
\centering
\begin{tikzpicture}
\begin{scope}
\axistoberepeated{
anchor = south west,
local bounding box=axe1,
xmin=0,xmax=20,width=4.5cm,
}{\legend{}}
\axistoberepeated{
anchor = south west,
local bounding box=axe2,
xmin=20,xmax=300,xshift=4cm,width=9cm,
yticklabels=\empty,ylabel=\empty
}{}
\end{scope}
\node[label={[yshift=-1cm]Packets Generation Rate (Packets/s)}] at (current bounding box.south) {};
\end{tikzpicture}
\end{figure}
\end{document}