File:Adjacencylist linkedlistof linkedlists directedgraph.svg
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[edit]DescriptionAdjacencylist linkedlistof linkedlists directedgraph.svg |
Deutsch: Adjazenzlisten des gerichteten Graphen in implementiert mit einer einfach verketteten Liste der Knoten und einfach verketteten Adjazenzlisten.
English: Adjacencylist of a digraph implemented as linked list of linked lists
Created using the tikz package and compiled with pdflatex. \documentclass{standalone}
\usepackage{ifthen}
\usepackage{tikz}
\usetikzlibrary{positioning,calc,shapes.multipart,arrows}
\tikzstyle{pointer}=[fill=black, circle, minimum width = 3pt, inner sep=0]
\tikzstyle{link}=[>=stealth]
\tikzstyle{list_node_horizontal}=[draw, rectangle split, rectangle split parts=2, rectangle split horizontal,
rounded corners=2pt,minimum height=5mm, minimum width=10mm, node distance=5mm,fill=red!35]
\tikzstyle{list_node_vertical}=[draw, rectangle split, rectangle split parts=2,
rounded corners=2pt,minimum height=10mm, minimum width=5mm, node distance=5mm,fill=green!40]
\tikzstyle{nil}=[draw, rectangle,minimum height=4mm, minimum width=4mm, node distance=5mm]
\def\Adjacencylist#1{%
% Draw Adjacency List
\foreach [count=\j] \element in \adlist {
% a counter the refers to the previous node
\prevnode=\j
\advance\prevnode by -1
% draw the node from the list with a pointer
\node[list_node_horizontal,right = of node\the\prevnode] (node\j) {\element};
\path[-] let \p1 = (node\j.two), \p2 = (node\j.center) in
node[pointer] (rightpointer\j) at (\x1+2,\y2){};
%draw incomming link from previous node
\draw[link,->] (rightpointer\the\prevnode) edge (node\j);
}
% Draw nil pointer
\node[nil, right = of rightpointer\j] (rightnil) {};
\draw (rightnil.north east) -- (rightnil.south west);
\draw (rightnil.north west) -- (rightnil.south east);
% Draw edge to nil pointer node
\path [link,->] (rightpointer\j) edge (rightnil);
}
\newcount\prevnode
\begin{document}
% Define graph as a list of pairs, where each pair consists of a node, the delimiter "/" and the set of adjacent nodes.
\newcommand{\inputgraph}{a/{b,d,e}, b/{c}, c/{d}, d/{a}, e/{}}
% Draw array and adjacency lists
\begin{tikzpicture}
\node (bottompointer0) at (0,0) {};
\foreach [count=\i] \index/\adlist in \inputgraph {
% a counter the refers to the previous node
\prevnode=\i
\advance\prevnode by -1
% draw the node from the list of graph vertices and a pointer to the next vertex
\node[list_node_vertical,below = of bottompointer\the\prevnode] (vnode\i){\index};
\path[-] let \p1 = (vnode\i.two), \p2 = (vnode\i.two west) in
node[pointer] (bottompointer\i) at (\x1+2,\y2){};
%draw incomming link from previous node
\draw[link,->] (bottompointer\the\prevnode) edge (vnode\i);
%set starting points for the adjacency list
\node (rightpointer0) at (vnode\i.text split) {};
\coordinate (node0) at (vnode\i.text split east);
%draw adjacency list
\Adjacencylist{\adlist}
}
% Draw nil pointer (for the list of vertices)
\node[nil, below = of bottompointer\i] (bottomnil) {};
\draw (bottomnil.north east) -- (bottomnil.south west);
\draw (bottomnil.north west) -- (bottomnil.south east);
% Draw edge to nil pointer node
\path [link,->] (bottompointer\i) edge (bottomnil);
\end{tikzpicture}
\end{document}
|
Date | |
Source | Own work |
Author | Wdvorak |
Licensing
[edit]This file is made available under the Creative Commons CC0 1.0 Universal Public Domain Dedication. | |
The person who associated a work with this deed has dedicated the work to the public domain by waiving all of their rights to the work worldwide under copyright law, including all related and neighboring rights, to the extent allowed by law. You can copy, modify, distribute and perform the work, even for commercial purposes, all without asking permission.
http://creativecommons.org/publicdomain/zero/1.0/deed.enCC0Creative Commons Zero, Public Domain Dedicationfalsefalse |
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current | 21:45, 28 July 2015 | 192 × 254 (29 KB) | Wdvorak (talk | contribs) | User created page with UploadWizard |
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Height | 203.506pt |