Mercurial > hg > camir-aes2014
annotate toolboxes/graph_visualisation/graphViz4Matlab/layouts/Circlelayout.m @ 0:e9a9cd732c1e tip
first hg version after svn
| author | wolffd |
|---|---|
| date | Tue, 10 Feb 2015 15:05:51 +0000 |
| parents | |
| children |
| rev | line source |
|---|---|
| wolffd@0 | 1 classdef Circlelayout < Abstractlayout |
| wolffd@0 | 2 % A simple layout which places node onto a scaled unit circle. |
| wolffd@0 | 3 % |
| wolffd@0 | 4 % Matthew Dunham |
| wolffd@0 | 5 % University of British Columbia |
| wolffd@0 | 6 properties |
| wolffd@0 | 7 xmin; % The left most point on the graph axis in data units |
| wolffd@0 | 8 xmax; % The right most point on the graph axis in data units |
| wolffd@0 | 9 ymin; % The bottom most point on the graph axis in data units |
| wolffd@0 | 10 ymax; % The top most point on the graph axis in data units |
| wolffd@0 | 11 adjMatrix; % The adjacency matrix |
| wolffd@0 | 12 maxNodeSize; % The maximum diameter of a node in data units |
| wolffd@0 | 13 image; % An image for the button that will lanuch this layout |
| wolffd@0 | 14 name; % A unique name for instances of this class |
| wolffd@0 | 15 shortDescription; % A description for use in the tooltips |
| wolffd@0 | 16 nodeSize; % The calculated node size, call dolayout() before accessing |
| wolffd@0 | 17 centers; % The calculated node centers in an n-by-2 matrix |
| wolffd@0 | 18 end |
| wolffd@0 | 19 |
| wolffd@0 | 20 methods |
| wolffd@0 | 21 function obj = Circlelayout(name) |
| wolffd@0 | 22 % constructor |
| wolffd@0 | 23 if(nargin < 1) |
| wolffd@0 | 24 obj.name = 'circlelayout'; |
| wolffd@0 | 25 else |
| wolffd@0 | 26 obj.name = name; |
| wolffd@0 | 27 end |
| wolffd@0 | 28 load glicons; |
| wolffd@0 | 29 obj.image = icons.circle; |
| wolffd@0 | 30 obj.shortDescription = 'Simple Circle Layout'; |
| wolffd@0 | 31 end |
| wolffd@0 | 32 end |
| wolffd@0 | 33 |
| wolffd@0 | 34 methods(Access = 'protected') |
| wolffd@0 | 35 |
| wolffd@0 | 36 function calcLayout(obj) |
| wolffd@0 | 37 nnodes = size(obj.adjMatrix,1); |
| wolffd@0 | 38 step = 2*pi/(nnodes); |
| wolffd@0 | 39 t = 0:step:2*pi; |
| wolffd@0 | 40 x = 0.4*sin(t)+0.5; |
| wolffd@0 | 41 y = 0.4*cos(t)+0.5; |
| wolffd@0 | 42 |
| wolffd@0 | 43 x = obj.xmin + x ./ (obj.xmax - obj.xmin); |
| wolffd@0 | 44 y = obj.ymin + y ./ (obj.ymax - obj.ymin); |
| wolffd@0 | 45 obj.centers = [x',y']; |
| wolffd@0 | 46 d = sqrt((x(2)- x(1))^2 + (y(2) - y(1))^2); |
| wolffd@0 | 47 obj.nodeSize = min(2*d/3,obj.maxNodeSize); |
| wolffd@0 | 48 end |
| wolffd@0 | 49 |
| wolffd@0 | 50 end |
| wolffd@0 | 51 |
| wolffd@0 | 52 |
| wolffd@0 | 53 |
| wolffd@0 | 54 end |