下面的代码
\documentclass[border=1pt]{standalone}
\usepackage{tikz}
\usepackage{amsmath}
\usepackage{xcolor}
\usepackage{bm}
\usetikzlibrary{automata,positioning}
\begin{document}
\begin{tikzpicture}[shorten >=1pt,node distance=2cm,on grid,auto]
\node[state,accepting] (0) {$\bm{0}$};
\node[state,accepting] (3) [right=of 0] {$\bm{3}$};
\node[state,accepting] (6) [right=of 3] {$\bm{6}$};
\node[state] (1) [above=of 0] {$\bm{1}$};
\node[state] (2) [above=of 1] {$\bm{2}$};
\node[state] (4) [above=of 3] {$\bm{4}$};
\node[state] (5) [above=of 4] {$\bm{5}$};
\node[state] (7) [above=of 6] {$\bm{7}$};
\node[state] (8) [above=of 7] {$\bm{8}$};
\path[->]
(0) edge [in=170, out=10] node {$v$} (3)
(3) edge [in=170, out=10] node {$v$} (6)
(6) edge [in=350, out=190] node {$w$} (3)
(3) edge [in=350, out=190] node {$w$} (0)
(6) edge [in=330, out=210] node [swap,yshift=-1mm] {$v$} (0)
(0) edge [in=230, out=310] node [yshift=-1mm] {$w$} (6)
(0) edge [in=280, out=80] node[swap,yshift=-2mm,xshift=-1mm] {$k$} (1)
(3) edge [in=280, out=80] node[swap,yshift=-2mm,xshift=-1mm] {$k$} (4)
(6) edge [in=280, out=80] node[swap,yshift=-2mm,xshift=-1mm] {$k$} (7)
(7) edge [in=280, out=80] node[swap,yshift=-2mm,xshift=-1mm] {$k$} (8)
(4) edge [in=280, out=80] node[swap,yshift=-2mm,xshift=-1mm] {$k$} (5)
(1) edge [in=280, out=80] node[swap,yshift=-2mm,xshift=-1mm] {$k$} (2)
(2) edge [in=100, out=260] node [swap,yshift=3mm,xshift=1mm] {$m$} (1)
(5) edge [in=100, out=260] node[swap,yshift=3mm,xshift=1mm] {$m$} (4)
(8) edge [in=100, out=260] node[swap,yshift=3mm,xshift=1mm] {$m$} (7)
(1) edge [in=100, out=260] node[swap,yshift=3mm,xshift=1mm] {$e$} (0)
(4) edge [in=100, out=260] node[swap,yshift=3mm,xshift=1mm] {$e$} (3)
(7) edge [in=100, out=260] node[swap,yshift=3mm,xshift=1mm] {$e$} (6)
(2) edge [in=125, out=330] node [yshift=14mm,xshift=-8.5mm] {$h$} (3)
(1) edge [in=150, out=330] node [yshift=7mm,xshift=-6mm] {$h$} (3)
(2) edge [in=125, out=330] node [yshift=14mm,xshift=-8.5mm] {$h$} (3)
(5) edge [in=125, out=330] node [yshift=14mm,xshift=-8.5mm] {$h$} (6)
(2) edge [in=125, out=330] node [yshift=14mm,xshift=-8.5mm] {$h$} (3)
(4) edge [in=150, out=330] node [yshift=7mm,xshift=-6mm] {$h$} (6)
(5) edge [in=55, out=220] node [yshift=19.5mm,xshift=4mm] {$l$} (0)
(8) edge [in=55, out=220] node [yshift=19.5mm,xshift=4mm] {$l$} (3)
(4) edge [in=30, out=210] node [yshift=12mm,xshift=3mm] {$l$} (0)
(1) edge [in=30, out=210, color=blue] node [yshift=7mm,xshift=-28mm] {$l$} (6)
(2) edge [in=20, out=210, color=blue] node [yshift=18mm,xshift=-28mm] {$l$} (6)
(8) edge [in=120, out=150, color=red, looseness=1.9] node [yshift=4.5mm,xshift=38mm] {$h$} (0)
(7) edge [in=135, out=60, color=red, looseness=3.5] node [yshift=-26mm,xshift=29mm] {$h$} (0);
\end{tikzpicture}
\end{document}
收益
状态机周围有很多不需要的空白空间。
为什么这个选项border=1pt不起作用standalone？
答案1
如果没有其他解决方案，这可能会有所帮助：
\begin{tikzpicture}[shorten >=1pt,node distance=2cm,on grid,auto]
\useasboundingbox (-2,-1.5) rectangle (5,6);
