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iCAPs/packages/gspbox/graphs/gsp_graph_default_plotting_parameters.m
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gsp_graph_default_plotting_parameters.m
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function G = gsp_graph_default_plotting_parameters(G)
%GSP_GRAPH_DEFAULT_PLOTTING_PARAMETERS Default plotting parameters
% Usage: G = gsp_graph_default_plotting_parameters( G );
%
% Input parameters
% G : Graph
% Output parameters
% G : Graph
%
% This function complete all plotting parameter for a graph.
%
%
% List of plotting parameters
% ---------------------------
%
%
% G.plotting*: Plotting parameters
% G.plotting.edge_width*: Width of edges (default 1)
% G.plotting.edge_color*: Color of edges (default [255,88,41]/255 )
% G.plotting.edge_style*: Style of edges (default '-')
% G.plotting.vertex_size*: Size of vertex (default 50)
% G.plotting.vertex_color*: Color of vertex (default 'b')
%
%
%
% Url: http://lts2research.epfl.ch/gsp/doc/graphs/gsp_graph_default_plotting_parameters.php
% Copyright (C) 2013-2016 Nathanael Perraudin, Johan Paratte, David I Shuman.
% This file is part of GSPbox version 0.7.0
%
% This program is free software: you can redistribute it and/or modify
% it under the terms of the GNU General Public License as published by
% the Free Software Foundation, either version 3 of the License, or
% (at your option) any later version.
%
% This program is distributed in the hope that it will be useful,
% but WITHOUT ANY WARRANTY; without even the implied warranty of
% MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
% GNU General Public License for more details.
%
% You should have received a copy of the GNU General Public License
% along with this program. If not, see <http://www.gnu.org/licenses/>.
% If you use this toolbox please kindly cite
% N. Perraudin, J. Paratte, D. Shuman, V. Kalofolias, P. Vandergheynst,
% and D. K. Hammond. GSPBOX: A toolbox for signal processing on graphs.
% ArXiv e-prints, Aug. 2014.
% http://arxiv.org/abs/1408.5781
% Author: Nathanael Perraudin
% Date : 13.08.2014
if nargin<1
error('You need a graph to run this function!')
end
if isfield(G,'coords')
% Assign default plotting parameters
if ~isfield(G,'plotting')
G.plotting=struct;
end
if ~isfield(G.plotting,'edge_width')
G.plotting.edge_width=1;
end
if ~isfield(G.plotting,'edge_color')
% G.plotting.edge_color=[255,88,41]/255;
G.plotting.edge_color=[0.6 0.6 0.6];
end
if ~isfield(G.plotting,'edge_style')
G.plotting.edge_style='-';
end
if ~isfield(G.plotting,'vertex_size')
G.plotting.vertex_size=50;
end
if ~isfield(G.plotting,'vertex_color')
G.plotting.vertex_color='b';
end
% if ~isfield(G,'vertex_edge_color')
% G.plotting.vertex_edge_color='k';
% end
% Limit for plotting
if ~isfield(G.plotting,'limits'),
if isfield(G,'coords')
if size(G.coords,2)>2
mrx = (max(G.coords(:,1)) - min(G.coords(:,1)))/20+eps;
mry = (max(G.coords(:,2)) - min(G.coords(:,2)))/20+eps;
mrz = (max(G.coords(:,3)) - min(G.coords(:,3)))/20+eps;
G.plotting.limits = [min(G.coords(:,1))-mrx,...
max(G.coords(:,1))+mrx, ...
min(G.coords(:,2))-mry, max(G.coords(:,2))+mry, ...
min(G.coords(:,3))-mrz, max(G.coords(:,3))+mrz];
elseif size(G.coords,2)>1
mrx = (max(G.coords(:,1)) - min(G.coords(:,1)))/20+eps;
mry = (max(G.coords(:,2)) - min(G.coords(:,2)))/20+eps;
G.plotting.limits = [min(G.coords(:,1))-mrx,...
max(G.coords(:,1))+mrx, min(G.coords(:,2))-mry,...
max(G.coords(:,2))+mry];
else
mrx = (max(G.coords) - min(G.coords))/20;
G.plotting.limits = [min(G.coords)-mrx, max(G.coords)+mrx];
end
else
G.plotting.limits = [0, 1, 0,1,0, 1];
end
end
else
G.plotting = struct;
end
end
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