2

I have a chain of nodes connected by arrows. I positioned the arrows exactly as I'd like using angles. However, the arrows at either end of the chain point to a node which holds some text. I can't seem to get the text of these nodes to align with the arrows. See the image below:

enter image description here

The text "NULL" should be aligned with the arrows at the end. How can I accomplish this? I tried to use yshift where the node is defined but that is ignored. Here is an MWE:

\documentclass{article} \usepackage{tikz} \usetikzlibrary{arrows.meta, bending,calc,shapes.multipart,chains,arrows,decorations.markings}

\begin{document} \begin{tikzpicture}[ every edge/.style = {draw, -{Stealth[angle=32:10pt, bend]}}, start chain = going right, list/.style = {rectangle split, rectangle split parts=3, rectangle split horizontal, draw, thick, minimum height=1cm, on chain}, ] \node [on chain] (X) {NULL}; \begin{scope}[nodes={list}] \node (A) {\nodepart{second}$A_1$}; \node (B) {\nodepart{second}$A_2$}; \node (C) {\nodepart{second}$A_3$}; \node (D) {\nodepart{second}$A_4$}; \node (E) {\nodepart{second}$A_5$}; \end{scope} \node [on chain] (Y) {NULL}; % \draw (A.170) edge (X.12) (A.10) edge (B.170) (B.195) edge (A.-15) (B.10) edge (C.170) (C.195) edge (B.-15) (C.10) edge (D.170) (D.195) edge (C.-15) (D.10) edge (E.170) (E.195) edge (D.-15) (E.10) edge (Y.168); \end{tikzpicture} \end{document}
Improve this question

1 Answer 1

Reset to default
4

You do not need the X and Y nodes to be on chain.

\documentclass[tikz,border=3mm]{standalone} \usetikzlibrary{arrows.meta,bending,chains,shapes.multipart} \begin{document} \begin{tikzpicture}[ every edge/.style = {draw, -{Stealth[angle=32:10pt, bend]}}, start chain = going right, list/.style = {rectangle split, rectangle split parts=3, rectangle split horizontal, draw, thick, minimum height=1cm, on chain}, ] \begin{scope}[nodes={list}] \node (A) {\nodepart{second}$A_1$}; \node (B) {\nodepart{second}$A_2$}; \node (C) {\nodepart{second}$A_3$}; \node (D) {\nodepart{second}$A_4$}; \node (E) {\nodepart{second}$A_5$}; \end{scope} % \draw (A.170) ++ (-1,0) coordinate[label=left:NULL] (X) (A.170) edge (X) (A.10) edge (B.170) (B.195) edge (A.-15) (B.10) edge (C.170) (C.195) edge (B.-15) (C.10) edge (D.170) (D.195) edge (C.-15) (D.10) edge (E.170) (E.195) edge (D.-15) (E.10) ++ (1,0) coordinate[label=right:NULL] (Y) (E.10) edge (Y) ; \end{tikzpicture} \end{document}

enter image description here

BTW, you could shorten the code.

\documentclass[tikz,border=3mm]{standalone} \usetikzlibrary{arrows.meta,bending,chains,shapes.multipart} \begin{document} \begin{tikzpicture}[ every edge/.style = {draw, -{Stealth[angle=32:10pt, bend]}}, start chain = going right, list/.style = {rectangle split, rectangle split parts=3, rectangle split horizontal, draw, thick, minimum height=1cm, on chain}, ] \begin{scope}[nodes={list}] \path foreach \X [count=\Y,remember=\X as \LastX] in {A,...,E} {node (\X) {\nodepart{second}$A_{\Y}$} \ifnum\Y>1 ([yshift=1.4mm]\LastX.east) edge ([yshift=1.4mm]\X.west) ([yshift=-1.4mm]\X.west) edge ([yshift=-1.4mm]\LastX.east) \fi}; \end{scope} % \path ([yshift=1.4mm]A.west) ++ (-1,0) coordinate[label=left:NULL] (X) ([yshift=1.4mm]A.west) edge (X) ([yshift=-1.4mm]E.east) ++ (1,0) coordinate[label=right:NULL] (Y) ([yshift=-1.4mm]E.east) edge (Y); \end{tikzpicture} \end{document}
Improve this answer
1
  • Oh great thanks! I'm still learning Tikz, I did not know loops were possible! Commented Dec 7, 2020 at 14:01

You must log in to answer this question.

Start asking to get answers

Find the answer to your question by asking.

Ask question

Explore related questions

See similar questions with these tags.