Ordered boundaries in matlab about gptoolbox

[alecjacobson]

I think I currently have something like that in ordered_outline. I probably
should use dfsearch instead of shortest path

On Monday, 7 November 2016, Andrea [email protected] wrote:

I am not sure when they added these, but it's quite neat!
[image: ordered_boundary]
https://cloud.githubusercontent.com/assets/4480573/20084455/509fd428-a517-11e6-939f-98a1d325f4a4.gif

clc; clear; close all;
load myoutline.mat M;
V = M.vertices;
F = M.faces;
B = mesh_boundary(F);

%--- Order
nv = max(B(:));
is = B(:,1);
js = B(:,2);
vs = ones(size(is,1),1);
A = sparse(is,js,vs,nv,nv);
A = A+A'; %< undirected
G = graph(A);
O = dfsearch(G,B(1,1));

point2 = @(P,varargin) plot(P(:,1), P(:,2), varargin{:});
figure(2); patch(M,'facecolor','none'); axis equal; hold on;
xlim([-0.5 +1.5]); axis off; set(gcf,'color','white');
for i=1:size(O,1)
point2(V(O(i),:), '.r', 'markersize',10);
gif_add_frame(gca,'ordered_boundary.gif');
end

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