0

How can we produce this on latex using tikz:

enter image description here

I am not quite sure how to produce this using tikz, especially the chaining of the boxes below.

3

One possibility is to use the chains and positioning libraries for that.

\documentclass[tikz,border=3.14mm]{standalone}
\usetikzlibrary{chains,positioning} %
\begin{document}

\begin{tikzpicture}[start chain=1 going right,every node/.style={draw,minimum
width=0.6cm}] 
\begin{scope}[node distance=-\pgflinewidth,thick]
\foreach \X [count=\Y] in {0,...,15}
{\node [on chain=1] (X\X) {\X};}
\end{scope}
\begin{scope}[node distance=2mm]
\node[below=of X1] (Y23){23};
\node[below=of Y23] (Y57){57};
\draw (X1) -- (Y23) -- (Y57);
\node[below=of X4] (Y4){4};
\draw (X4) -- (Y4);
\node[below=of X7] (Y12){12};
\node[below=of Y12] (Y31){31};
\node[below=of Y31] (Y34){34};
\draw (X7) -- (Y12) -- (Y31) -- (Y34);
\node[below=of X10] (Y8){8};
\draw (X10) -- (Y8);
\node[below=of X14] (Y15){15};
\node[below=of Y15] (Y21){21};
\draw (X14) -- (Y15) -- (Y21);
\node[left=of X0,draw=none] {$h(x)$};
\end{scope}
\end{tikzpicture}
\end{document}

enter image description here

  • 1
    How would you fix this node alignment in this example: puu.sh/AmrdI/be41a92e85.png, the nodes are overlapping? – bigfocalchord May 15 '18 at 4:36
  • @bigfocalchord You need to make the nodes wider, i.e. adjust the minimum width=0.6cm key. – user121799 May 15 '18 at 12:04
6

This is essentially marmot's answer but using the \chainin command to start a chain from an existing node to make the code more concise:

\documentclass[tikz,border=5]{standalone}
\usetikzlibrary{chains}
\begin{document}
\begin{tikzpicture}
\scoped[start chain=going right, node distance=-0.1ex]{
  \node[on chain] {$h(x)$};
  \foreach \i in {0,...,15}
    \node [on chain, line width=0.2ex, minimum width=5ex, draw] (n-\i) {\i};
}
\foreach \i/\J in {1/{23,57},4/{4},7/{12,31,34},8/{204},10/{8},14/{15,29}}{
\scoped[start chain=going below, node distance=0.75ex]{
  \chainin (n-\i);
  \foreach \j in \J 
    \node [on chain, join, minimum width=3ex, draw] {\j};
}}
\end{tikzpicture}
\end{document}

enter image description here

  • Does this fix the problem I commented on the other pic? – bigfocalchord May 15 '18 at 7:41
  • @bigfocalchord, make nodes in the main chain wider. – Zarko May 15 '18 at 8:03

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