Remove overlapping areas of 663 rectangles
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As in the first image (Figure 1), I am trying to remove the overlaps of 663 intersecting rectangles, and have the outmost lines visible. The second image (Figure 2) presents an example with two intersecting rectangle. I have attached an EXCEL file containing the coordinates of all the rectangles. I've stuck with this problem, please help me.
![](https://www.mathworks.com/matlabcentral/answers/uploaded_files/193926/image.jpeg)
Figure 1
![](https://www.mathworks.com/matlabcentral/answers/uploaded_files/193928/image.jpeg)
Figure 2
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采纳的回答
Bruno Luong
2018-11-6
![](https://www.mathworks.com/matlabcentral/answers/uploaded_files/194308/image.png)
data = xlsread('Rectangle points.xlsx');
data = reshape(data,[],2,4);
data = permute(data,[2 3 1]);
n = size(data,3);
p = arrayfun(@(k) polyshape(data(1,:,k),data(2,:,k)), 1:n);
q = p(1);
for k=2:n
q = union(q,p(k));
end
plot(q)
axis equal
9 个评论
Bruno Luong
2018-11-19
Sorry I do not know any built-in data structure that can store a volume in 3D by plannar faces, beside convex hul (but in your case it is not convex at all), let alone doing operation on it.
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