Offset polygon draw

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Tanvir Faisal
Tanvir Faisal 2011 年 6 月 18 日
回答済み: Steven 2018 年 11 月 14 日
Hi, I am working with Voronoi. However, I need to draw offset polygon. In my case, it will be negative offset polygon (the inner polygon will shrink). Can any one help me out. I tried, but did not get it. I am trying to provide the the coordinates of the original polygon and amount of offset (it may be positive for expansion and negative value for contraction). My case, the polygon is arbitrary shaped, i.e. it can be of any number of sides but of course convex polygon. I will appreciate if someone can help me out.
Thanks, Tanvir

回答 (2 件)

Razvan Sencu
Razvan Sencu 2013 年 3 月 13 日
Hi,
Did you find your answer? I'll be interested in offseting some polygons as well.
Thanks, Razvan

Steven
Steven 2018 年 11 月 14 日
for ii = [0 1 3]
xoff = ii;
yoff = 1;
t = 0.05:0.01:2*pi;
x1 = avgdistbig*cos(t)+xoff;
y1 = avgdistbig*sin(t)+yoff;
pgon = polyshape(x1,y1);
hold on;plot(pgon)
end

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