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如何使该节点正确垂直和水平对齐，并且与上方节点没有水平偏差？

tag-icon • tag-icon tikz-pgf positioning intersections
如何使该节点正确垂直和水平对齐，并且与上方节点没有水平偏差？

我试图让节点\node[below = 3 cm of OPC] (NCM) {No match};对齐，使其位于上方节点的正下方，并与右侧节点完全位于同一行。如果我执行简单的下方规范（代码未注释掉），那么它与右侧的节点相比太低了，尽管我认为它们应该具有相同的垂直高度，因为所有内容都是一行。我想保持相对定位。

我知道当节点在同一垂直水平时如何等距放置节点，但当一个节点在上面而另一个节点在同一行时，我不知道如何做到这一点。我的尝试被注释掉了。关键问题是它)在Couples节点中放置了一个，否则看起来不错。当我做一个玩具示例时，所有节点都只有一行，使用该方法没有问题below = of。也许这里的问题是由于多行节点造成的？

另外，有没有一种简单的方法可以在节点上画一条小弧OPC？PCM有些答案是使用矩阵布局和这使用圆圈，但有没有更简单的方法？我想显示的重叠线是\draw[arrow] (node cs:name=RPIC) -- (node cs:name=NCM)

代码

\usepackage[english]{babel}
\usepackage{amsmath,amsthm,amssymb}
\usepackage{amsfonts}
\usepackage[a4paper,layout=a4paper,
        bindingoffset=4cm,left=0cm,right=2cm,
        head=2.5cm, bmargin=2cm]{geometry}      %get the page layout right
%\usepackage[none]{hyphenat}                        %turn off hypenation globally
\usepackage{microtype}                              %better typesetting, affects justification and punctuation
\usepackage{verbatim}
\usepackage{graphicx}
\usepackage{url}                                    % typeset URL's reasonably
\usepackage[round]{natbib}                          % default bracket type is round
\usepackage{listings}
\usepackage{booktabs}                               %typeset tables better
\usepackage{multirow}                               %allow merge look across table rows
%\usepackage{placeins}                              %fix table floats!
\RequirePackage[l2tabu, orthodox]{nag}
\usepackage[table]{xcolor}                                 % must be imported BEFORE tikz
\usepackage{tikz}                                   %write flowcharts etc
\usetikzlibrary{arrows, shapes, chains, fit, backgrounds, calc, decorations.pathreplacing, matrix, calligraphy, positioning}
\usepackage{hyperref}

\usepackage[flushleft]{threeparttable}
\usepackage[inline, shortlabels]{enumitem} 
\usepackage{tikzlings}
\usepackage{array}
\usepackage{rotating}
\usepackage{subcaption}
\usepackage{cleveref}   

\begin{document}
\begin{tikzpicture}[
every node/.style= {draw, rounded corners, font=\footnotesize, align=center}, 
arrow/.style={thick, -stealth}]
\node (CPL) {Couples};
\node[right = 6cm of CPL] (Ch) {Children};

\node[below left = 3cm and 0cm of CPL] (OPC) {Other person\\in couple};
\node[below right = 3cm and 0cm of CPL] (RPIC) {Reference person\\in couple} ;
\node[below left = 3cm and 0cm of Ch] (CFC) {Children\\for couples};
\node[below right = 3cm and 0cm of Ch] (CFSP) {Children for\\sole-parents};

%   \node[below = 3 cm of $(OPC)(RPIC)$] (NCM) {No child match};
\node[below = 3 cm of OPC] (NCM) {No child match};
\node[below = 3 cm of $(RPIC)!0.5!(CFC)$] (PCM) {Parent-child match};
%   \node[below = 3 cm of $(CFSP)(PCM)$] (TNF) {\Cref{fig:SPWC}};

\draw[arrow] (node cs:name=CPL) -- (node cs:name=OPC);
\draw[arrow] (node cs:name=CPL) -- (node cs:name=RPIC);
\draw[arrow] (node cs:name=Ch) -- (node cs:name=CFC);
\draw[arrow] (node cs:name=Ch) -- (node cs:name=CFSP);
%   \draw[arrow] (node cs:name=OPC) -- (node cs:name=NCM);
%   \draw[arrow] (node cs:name=RPIC) -- (node cs:name=NCM);
\draw[arrow] (node cs:name=OPC) -- (node cs:name=PCM);
\draw[arrow] (node cs:name=RPIC) -- (node cs:name=PCM);
\draw[arrow] (node cs:name=CFC) -- (node cs:name=PCM);
%   \draw[arrow] (node cs:name=CFSP) -- (node cs:name=TNF);

\end{tikzpicture}
\end{figure}
\end{document}

答案1

在此处输入图片描述

\documentclass{article}
\usepackage[english]{babel}
\usepackage{amsmath,amsthm,amssymb}
\usepackage{amsfonts}
\usepackage[a4paper,layout=a4paper,
        bindingoffset=4cm,left=0cm,right=2cm,
        head=2.5cm, bmargin=2cm]{geometry}      %get the page layout right
%\usepackage[none]{hyphenat}                        %turn off hypenation globally
\usepackage{microtype}                              %better typesetting, affects justification and punctuation
\usepackage{verbatim}
\usepackage{graphicx}
\usepackage{url}                                    % typeset URL's reasonably
\usepackage[round]{natbib}                          % default bracket type is round
\usepackage{listings}
\usepackage{booktabs}                               %typeset tables better
\usepackage{multirow}                               %allow merge look across table rows
%\usepackage{placeins}                              %fix table floats!
\RequirePackage[l2tabu, orthodox]{nag}
\usepackage[table]{xcolor}                                 % must be imported BEFORE tikz
\usepackage{tikz}                                   %write flowcharts etc
\usetikzlibrary{arrows, shapes, chains, fit, backgrounds, calc, decorations.pathreplacing, matrix, calligraphy, positioning}
\usepackage{hyperref}

\usepackage[flushleft]{threeparttable}
\usepackage[inline, shortlabels]{enumitem} 
\usepackage{tikzlings}
\usepackage{array}
\usepackage{rotating}
\usepackage{subcaption}
\usepackage{cleveref}   

\begin{document}
\begin{tikzpicture}[
every node/.style= {draw, rounded corners, font=\footnotesize, align=center, minimum height=0.8cm}, 
arrow/.style={thick, -stealth}]
\node (CPL) {Couples};
\node[right = 6cm of CPL] (Ch) {Children};

\node[below left = 2cm and 0cm of CPL] (OPC) {Other person\\in couple};
\node[below left = 2cm and 0cm of Ch] (CFC) {Children\\for couples};
\node[below right = 2cm and 0cm of Ch] (CFSP) {Children for\\sole-parents};
\node[below right = 2cm and 0cm of CPL] (RPIC) {Reference person\\in couple} ;

%   \node[below = 3 cm of $(OPC)(RPIC)$] (NCM) {No child match};
\node[below = 2 cm of $(RPIC)!0.5!(CFC)$]  (PCM) {Parent-child match};
\node at (OPC|-PCM) (NCM) {No child match};
\draw [red] (NCM.south) -- (PCM.south);
%   \node[below = 3 cm of $(CFSP)(PCM)$] (TNF) {\Cref{fig:SPWC}};

\draw[arrow] (CPL) -- (OPC);
\draw[arrow] (CPL) -- (RPIC);
\draw[arrow] (Ch) -- (CFC);
\draw[arrow] (Ch) -- (CFSP);
%   \draw[arrow] (node cs:name=OPC) -- (node cs:name=NCM);
%   \draw[arrow] (node cs:name=RPIC) -- (node cs:name=NCM);
\draw[arrow] (OPC) -- (PCM);
\draw[arrow] (RPIC) -- (PCM);
\draw[arrow] (CFC) -- (PCM);
%   \draw[arrow] (node cs:name=CFSP) -- (node cs:name=TNF);

\end{tikzpicture}

\end{document}

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