find the vertices from delaunay triangulation

Question

Elysi Cochin 2017-10-17

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https://ww2.mathworks.cn/matlabcentral/answers/361689-find-the-vertices-from-delaunay-triangulation

编辑： KSSV 2017-10-17

i creates a Delaunay triangulation using the following lines

X = [y(:,1) x(:,1)];
dt = delaunayTriangulation(X);

The output "dt" is a matrix with 3 columns (a,b,c). How can i find the vertices of the triangles so that i get (xa,ya) (xb,yb) and (xc,yc)

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Answer 1

KSSV 2017-10-17

2
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https://ww2.mathworks.cn/matlabcentral/answers/361689-find-the-vertices-from-delaunay-triangulation#answer_286158

编辑：KSSV 2017-10-17

在 MATLAB Online 中打开

x = rand(10,1) ; % a randoms data 
y = rand(10,1) ;
dt = delaunayTriangulation(x,y) ;   % delaunay triangulation 
points = dt.Points ;    % points 
tri = dt.ConnectivityList ;    % nodal connectivity 
x = points(:,1) ;  
X = x(tri) ;
y = points(:,2) ;
Y = y(tri) ;