使用 tikz 制作数据图形

Question

我在使用 tikz 绘制曲线时遇到问题。我得到的只是图例，但没有曲线，也没有图形或轴......

欢迎任何帮助！谢谢

以下是（简化的）代码

%%% TikZ packages and styles %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

\usepackage{tikz}
\usepackage{pgf}
\usepackage{pgfplots}
\usepackage{tikz-3dplot}
\tdplotsetmaincoords{70}{120}
\pgfplotsset{compat=newest} 
\pgfplotsset{plot coordinates/math parser=false}

\usetikzlibrary{decorations}
\usetikzlibrary{arrows}
\usetikzlibrary{shapes.misc}
\usetikzlibrary{positioning}
\usetikzlibrary{calc}
\usetikzlibrary{plotmarks}


% TikZ styles (nodes and squares)
\tikzstyle{itnode}=[circle,thick,draw]
\tikzstyle{itnodesq}=[rectangle,thick,text centered,text width=5em,minimum height=3em,draw]
\tikzstyle{init} = [pin edge={<-,thin,black}]



\begin{document}
\setlength{\figurewidth}{0.65\columnwidth}
\begin{figure}[h!]
\begin{center}
    \scriptsize
    \begin{tikzpicture} \begin{axis}[
     width=\figurewidth,
   height=0.48830242510699\figurewidth,
  scale only axis,
  xmin=5, xmax=10,
  xlabel={Temps (s)},
  xmajorgrids,
  ymin=40, ymax=95,
  ylabel={Y},
  ymajorgrids,
  axis lines*=left,
  legend style={at={(1.03,1)},anchor=north west,draw=black,fill=white,legend cell align=left}]
  \addplot [
  color=blue,
  solid
  ]
  coordinates{
  (4.98725704809287,67)
  (5.00027860696517,66)
  (5.01330016583748,64)
  (5.02632172470978,64)};
  \addlegendentry{Node 2};
  \addplot [
  color=green!50!black,
  solid]
  coordinates{
  (4.98725704809287,89)
  (5.00027860696517,81)
  (5.01330016583748,82)
  (5.02632172470978,82)};
  \addlegendentry{Node 3};
  \end{axis}
  \end{tikzpicture}%
      \end{center}
      \label{fig:example_plot}
  \end{figure}

  \end{document}

Answer 1

我怀疑你期望的是这样的：

• 由于您的\figurewidth身份不明，我使用默认图像尺寸
• xmin正如您在上面的评论中所看到的，您的坐标范围与声明的范围相比非常小xmax，因此绘制的圆圈（它存在于您的图像上）几乎是不可见的
• 从你的代码片段中我删除了所有与此图不相关的内容

梅威瑟：

\documentclass[margin=3mm]{standalone}
\usepackage{pgfplots}
\pgfplotsset{compat=newest}

\begin{document}
    \scriptsize
    \begin{tikzpicture} 
\begin{axis}[
%     width=\figurewidth,
%   height=0.48830242510699\figurewidth,
  scale only axis,
%  xmin=4, xmax=6,
  xlabel={Temps (s)},
  xmajorgrids,
  ymin=60, ymax=90,
  ylabel={Y},
  ymajorgrids,
  axis lines*=left,
  legend style={at={(1.03,1)},anchor=north west,draw=black,fill=white,legend cell align=left}]
  \addplot[
  color=blue,
  solid
  ]
  coordinates{
  (4.98725704809287,67)
  (5.00027860696517,66)
  (5.01330016583748,64)
  (5.02632172470978,64)};
  \addplot[
  color=green!50!black,
  solid]
  coordinates{
  (4.98725704809287,89)
  (5.00027860696517,81)
  (5.01330016583748,82)
  (5.02632172470978,82)};
  \legend{Node2, Node 3};
  \end{axis}
  \end{tikzpicture}
\end{document}