我在我的论文中添加了以下代码来绘制一棵树。一切正常，但树与论文的第二列重叠，请问如何将其插入以占据一列或甚至占据两列而不与文本重叠。
\documentclass[letterpaper, 10 pt, conference]{ieeeconf} \IEEEoverridecommandlockouts
\usepackage{tikz}
\newtheorem{definition}{\textbf{Definition}}
\overrideIEEEmargins
\usepackage{booktabs,lipsum,makecell}
\usetikzlibrary{arrows,shapes,positioning,shadows,trees}
\tikzset{
basic/.style = {draw, text width=2cm, drop shadow, font=\sffamily, rectangle},
root/.style = {basic, rounded corners=2pt, thin, align=center,
fill=green!30},
level 2/.style = {basic, rounded corners=6pt, thin,align=center, fill=green!60,
text width=8em},
level 3/.style = {basic, thin, align=left, fill=pink!60, text width=6.5em}
}
\title{\LARGE \bf
Test
}
\begin{document}
\maketitle
\thispagestyle{empty}
\pagestyle{empty}
\section{test}
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\begin{tikzpicture}[
level 1/.style={sibling distance=40mm},
edge from parent/.style={->,draw},
>=latex]
% root of the the initial tree, level 1
\node[root] {Drawing diagrams}
% The first level, as children of the initial tree
child {node[level 2] (c1) {Defining node and arrow styles}}
child {node[level 2] (c2) {Positioning the nodes}}
child {node[level 2] (c3) {Drawing arrows between nodes}};
% The second level, relatively positioned nodes
\begin{scope}[every node/.style={level 3}]
\node [below of = c1, xshift=15pt] (c11) {Setting shape};
\node [below of = c11] (c12) {Choosing color};
\node [below of = c12] (c13) {Adding shading};
\node [below of = c2, xshift=15pt] (c21) {Using a Matrix};
\node [below of = c21] (c22) {Relatively};
\node [below of = c22] (c23) {Absolutely};
\node [below of = c23] (c24) {Using overlays};
\node [below of = c3, xshift=15pt] (c31) {Default arrows};
\node [below of = c31] (c32) {Arrow library};
\node [below of = c32] (c33) {Resizing tips};
\node [below of = c33] (c34) {Shortening};
\node [below of = c34] (c35) {Bending};
\end{scope}
\foreach \value in {1,2,3}
\draw[->] (c1.195) |- (c1\value.west);
\foreach \value in {1,...,4}
\draw[->] (c2.195) |- (c2\value.west);
\foreach \value in {1,...,5}
\draw[->] (c3.195) |- (c3\value.west);
\end{tikzpicture}
\end{document}
答案1
调整 mwe 后（代码中以 标出变化% <--- ...）：
\documentclass[conference]{ieeeconf}
%\IEEEoverridecommandlockouts
%\overrideIEEEmargins
\usepackage{tikz}
\usetikzlibrary{arrows, positioning, shadows}
\usepackage{lipsum}
\title{Test}
\begin{document}
\maketitle
\thispagestyle{empty}
\section{test}
\lipsum*[11]% <--- added for dummy text
\begin{table}[ht]
\centering
\begin{tikzpicture}[
node distance = 3mm and 0mm, % <--- added
basic/.style = {draw, drop shadow, text width=18mm, inner xsep=2pt,
font=\sffamily\footnotesize}, % <-- changed
root/.style = {basic, rounded corners=2pt, align=center, fill=green!30},
level 2/.style = {basic, rounded corners=6pt, align=center, fill=green!60,
text width=22mm}, <-- changed
level 3/.style = {basic, align=left, fill=pink!60, text width=20mm}, <-- changed
sibling distance=27mm, <-- changed
edge from parent/.style={-latex,draw},
]
% root of the initial tree, level 1
\node[root] {Drawing diagrams}
% The first level, as children of the initial tree
child {node[level 2] (c1) {Defining node and arrow styles}}
child {node[level 2] (c2) {Positioning the nodes}}
child {node[level 2] (c3) {Drawing arrows between nodes}};
% The second level, relatively positioned nodes
\begin{scope}[every node/.style={level 3}] % <--- corrected positioning syntax
\node [below=of c1, xshift=5pt] (c11) {Setting shape};
\node [below=of c11] (c12) {Choosing color};
\node [below=of c12] (c13) {Adding shading};
\node [below=of c2, xshift=5pt] (c21) {Using a Matrix};
\node [below=of c21] (c22) {Relatively};
\node [below=of c22] (c23) {Absolutely};
\node [below=of c23] (c24) {Using overlays};
\node [below=of c3, xshift=5pt] (c31) {Default arrows};
\node [below=of c31] (c32) {Arrow library};
\node [below=of c32] (c33) {Resizing tips};
\node [below=of c33] (c34) {Shortening};
\node [below=of c34] (c35) {Bending};
\end{scope}
% lines from each level 1 node to every one of its "children"
\foreach \value in {1,2,3}
\draw[->] (c1.195) |- (c1\value.west);
\foreach \value in {1,...,4}
\draw[->] (c2.195) |- (c2\value.west);
\foreach \value in {1,...,5}
\draw[->] (c3.195) |- (c3\value.west);
\end{tikzpicture}
\caption{diagram}
\end{table}
\lipsum[1-23] % <--- added for dummy text
\end{document}
我得到以下结果：
