camir-aes2014: toolboxes/graph_visualisation/graphViz4Matlab/layouts/Treelayout.m annotate

first hg version after svn

rev	line source
wolffd@0	1 classdef Treelayout < Gvizlayout
wolffd@0	2 % A layout that also uses graphviz but calls dot instead of neato to
wolffd@0	3 % to display the graph like a tree.
wolffd@0	4 %
wolffd@0	5 % Matthew Dunham
wolffd@0	6 % University of British Columbia
wolffd@0	7 % http://www.cs.ubc.ca/~mdunham/
wolffd@0	8
wolffd@0	9 methods
wolffd@0	10 function obj = Treelayout(name)
wolffd@0	11 if(nargin < 1)
wolffd@0	12 obj.name = 'Treelayout';
wolffd@0	13 else
wolffd@0	14 obj.name = name;
wolffd@0	15 end
wolffd@0	16 %obj.setImage([0,153,102]/255);
wolffd@0	17 load glicons;
wolffd@0	18 obj.image = icons.tree;
wolffd@0	19 obj.shortDescription = 'Tree Layout (GraphViz)';
wolffd@0	20 end
wolffd@0	21
wolffd@0	22 function available = isavailable(obj)
wolffd@0	23 % Make sure graphViz is available.
wolffd@0	24 available = Gvizlayout.queryGviz('dot');
wolffd@0	25 if(not(available))
wolffd@0	26 fprintf('Please install or upgrade graphViz\n');
wolffd@0	27 end
wolffd@0	28 end
wolffd@0	29
wolffd@0	30 end
wolffd@0	31
wolffd@0	32 methods(Access = 'protected')
wolffd@0	33
wolffd@0	34 function callGraphViz(obj)
wolffd@0	35 % Call GraphViz to determine an optimal layout. Write this layout in
wolffd@0	36 % layout.dot for later parsing.
wolffd@0	37 err = system(['dot -Tdot -Gmaxiter=5000 -Gstart=7 -o ',obj.layoutFile,' ',obj.adjFile]);
wolffd@0	38 if(err),error('Sorry, unknown GraphViz failure, try another layout'); end
wolffd@0	39 end
wolffd@0	40
wolffd@0	41
wolffd@0	42
wolffd@0	43 end
wolffd@0	44
wolffd@0	45
wolffd@0	46
wolffd@0	47
wolffd@0	48
wolffd@0	49
wolffd@0	50
wolffd@0	51 end

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