![使用 tikz 树的数字系统插图](https://linux22.com/image/426109/%E4%BD%BF%E7%94%A8%20tikz%20%E6%A0%91%E7%9A%84%E6%95%B0%E5%AD%97%E7%B3%BB%E7%BB%9F%E6%8F%92%E5%9B%BE.png)
我想为像这样的数字系统创建一个插图
这是我的 MWE。
\documentclass[landscape]{article}
\usepackage[utf8]{inputenc}
\usepackage[T1]{fontenc}
\usepackage[margin=1in]{geometry}
\usepackage{tikz-qtree}
\usetikzlibrary{shadows,trees}
\begin{document}
\tikzset{font=\small,
edge from parent fork down,
level distance=1.75cm,
every node/.style=
{top color=white,
bottom color=blue!25,
rectangle,rounded corners,
minimum height=8mm,
draw=blue!75,
very thick,
drop shadow,
align=center,
text depth = 0pt
},
edge from parent/.style=
{draw=blue!50,
thick
}}
\centering
\begin{tikzpicture}
\Tree [.{Real Numbers}
[.{Rational\\ $a$}
[.{Integers}
[.{Negative Integers} ]
[.{Whole Numbers}
[.Zero ]
[.{Natural}
[.Even
[.Odd ]
]
] ]]
[.Fraction
]
]
[.{Irrational\\ $a$}
]
]
]
\end{tikzpicture}
\end{document}
说到“自然”,我就失去了踪迹。
已编辑:使用以下代码,叶子重叠
\documentclass[a4paper,10pt]{article}
\usepackage{tikz}
\usepackage{fullpage}
\usetikzlibrary{positioning,shadows,arrows,trees,shapes,fit}
\begin{document}
\begin{tikzpicture}
[font=\small, edge from parent fork down,
every node/.style={top color=white, bottom color=blue!25,
rectangle,rounded corners, minimum size=6mm, draw=blue!75,
very thick, drop shadow, align=center},
edge from parent/.style={draw=blue!50,thick},
level 1/.style={sibling distance=6cm},
level 2/.style={sibling distance=2.5cm},
level 3/.style={sibling distance=2.5cm},
level distance=2cm,
]
\node {Real} % root
child { node {Rational}
child { node {Int}
child { node {negative}}
child { node {whole}
child { node {zero}}
child { node {natural}
child { node {even}
child { node {prime}}
child { node {composit}}
}
child { node {odd}
child { node {1}}
child { node {prime}}
child { node {composit}}
}}
}}
child { node {frac}}
}
child { node {irrational}}
;
\end{tikzpicture}
\end{document}
答案1
如果我正确理解了你的问题,一致的缩进应该使嵌套分区的逻辑关系变得简单。
\documentclass[landscape]{article}
\usepackage{libertinus}
\usepackage[margin=1in]{geometry}
\usepackage{tikz-qtree}
\usetikzlibrary{shadows,trees}
\begin{document}
\tikzset{font=\small,
edge from parent fork down,
level distance=1.75cm,
every node/.style=
{top color=white,
bottom color=blue!25,
rectangle,rounded corners,
minimum height=8mm,
draw=blue!75,
very thick,
drop shadow,
align=center,
text depth = 0pt
},
edge from parent/.style=
{draw=blue!50,
thick
}}
\centering
\begin{tikzpicture}
\Tree [.{Real Numbers}
[.{Rational Numbers \\ \( \left\{ -5, \frac{-7}{3}, 0, \frac{5}{6} \right\} \)}
[.{Integers \\ \( \{ -50, -1, 0, 1, 2, 17 \} \)}
[.{Negative Integers \\ \( \{ -1,-2,-96 \} \)}
]
[.{Natural Numbers\footnotemark[1] \\ \( \{ 0, 1, 2, 27 \} \)}
[.{Even Numbers}
[.{\(0\)}
]
[.{\(2\)}
]
[.{Even Composites}
]
]
[.{Odd Numbers}
[.{\(1\)}
]
[.{Odd Primes \\ \( \{ 3, 5, 7, 11 \} \)}
]
[.{Odd Composites \\ \( \{ 9, 15, 25, 27 \} \)}
]
]
]
]
[.{Non-Integers \\ \( \left\{ \frac{1}{2}, \frac{5}{3}, \frac{7}{5} \right\} \)}
]
]
[ .{Irrational Numbers \\ \( \left\{ \sqrt{2}, \sqrt{3}, \pi, \right\} \)}
]
]
\end{tikzpicture}
\footnotetext[1]{Not all mathematicians consider \(0\) a natural number.}
\end{document}
我忍不住对树上的一些节点进行了一番修改。(尽管如此,我还是没有在“Even”和“Odd”之前写上“Positive”,因为这样会破坏布局。)