How do i create a hole or cut a certain portion of a plane in GUI?

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DIJESH
DIJESH 2014-6-20
回答： Dishant Arora 2014-6-20
x = [100 100 100 100];
y = [100 100 100 100];
z = [0 0 0 0];
fill3(x,y,z,blue,'FaceAlpha',0.4)
This would create an x-y plane of blue colour. What is the code if i want to create a hole in the moddle of this plane? Or what if I want to remove a small rectangular portion from the centre of this plane? Please help.

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回答（2 个）

Dishant Arora
Dishant Arora 2014-6-20
Z = zeros(100,100);
Z(40:60,40:60) = nan;
mesh(Z)
David Sanchez
David Sanchez 2014-6-20
x = [0 100 100 0];
y = [0 0 100 100];
z = [0 0 0 0];
fill(x,y,'b')
x_hole = [40 60 60 40];
y_hole = [40 40 60 60 ];
hold on
fill(x_hole,y_hole,'w')
hold off

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