我有一片树叶茂盛的森林，它占据了整个页面。我想缩小它的尺寸。我试过了，\scalebox但没有用，它超出了页面
\newcommand{\CLASSINPUTbottomtextmargin}{25.4mm}
\newcommand{\CLASSINPUTtoptextmargin}{19.1mm}
\newcommand{\CLASSINPUToutersidemargin}{15.8mm}
\newcommand{\CLASSINPUTinnersidemargin}{17mm}
\setlength{\textfloatsep}{-5pt}
\documentclass[letterpaper,conference]{IEEEtran}
\usepackage{graphicx}
\usepackage{array,multirow,makecell}
\usepackage{forest}
\usetikzlibrary{shadows}
%---\makeatletter
\newcolumntype{P}[1]{>{\centering\arraybackslash}p{#1}}
\setcellgapes{1pt}
\makegapedcells
\newenvironment{multicases}[1]
{\let\@ifnextchar\new@ifnextchar
\left\lbrace\def\arraystretch{1.2}%
\array{@{}l*{#1}{@{\quad}l}@{}}}
{\endarray\right.\kern-\nulldelimiterspace}
\title{The principal title: hello !}
\begin{document}
%---\maketitle
this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.
\begin{figure*}[!t]
%\begin{center}
\centering
%\scalebox{.7}{
\begin{forest}
for tree={
if level=0{align=center}{% allow multi-line text and set alignment
align={@{}P{45mm}@{}}
},
grow=east,
draw,
font=\sffamily\bfseries,
edge path={
\noexpand\path [draw, \forestoption{edge}] (!u.parent anchor) -- +(5mm,0) |- (.child anchor)\forestoption{edge label};
},
parent anchor=east,
child anchor=west,
l sep=10mm,
tier/.wrap pgfmath arg={tier #1}{level()},
edge={ultra thick, rounded corners=2pt},
fill=white,
rounded corners=2pt,
drop shadow,
}
[UML Diagram
[Structure Diagram
[Class Diagram]
[Class Diagram]
[Class Diagram]
[Class Diagram]
[Class Diagram]
[Class Diagram]
[Class Diagram]
[Class Diagram]
[Class Diagram]
[Class Diagram]
[Class Diagram]
[Class Diagram]
[Class Diagram]
[Class Diagram]
[Class Diagram]
]
[Behaviour Diagram
[Class Diagram]
[Class Diagram]
[Class Diagram]
]
]
\end{forest}
% }
%\end{center}
\caption{My figure}
\end{figure*}
this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a text.this is just a 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\end{document}
答案1
和树放在\footnotesize一起
{\footnotesize
\begin{forest}
...
\end{forest}%
}
或者，你可以使用以下命令为树的前言中的每个节点设置字体
/tikz/every node/.append style={font=\footnotesize},