MATALAB绘制色图变换和Voronoi图

load spine
image(X)
colormap cool
spinmap(10)
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rand('state',5)
x=rand(1,10);
y=rand(1,10);
subplot(131)
voronoi(x,y);%绘制voronoi图形
axis equal
axis([-0.2 1.6 -0.5 2.5])
subplot(132)
[vx,vy]=voronoi(x,y);
plot(x,y,'r+',vx,vy,'b-');%应用返回值绘制
axis equal
axis([-0.2 1.6 -0.5 2.5])
subplot(133)
rand('state',5);
x=rand(10,2);
[v,c]=voronoin(x);%返回值v参数维voronoi顶点矩阵，返回值c参数为voronoi元胞数组
for i=1:length(c)
if all(c{i}~=1)
patch(v(c{i},1),v(c{i},2),i);%应用色图i
end
end
axis equal
axis([-0.2 1.6 -0.5 2.5])
box on
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