Drawing a circle with known radius

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Row Sarox
Row Sarox 2022-4-17
评论： Image Analyst 2022-4-17
How can i create a circle shape including 100 circles with known radius. Labeled with 4 different colors.

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KSSV
KSSV 2022-4-17
编辑：KSSV 2022-4-17
Ran in:
th = linspace(0,2*pi)' ;
R = 1;
x = R*cos(th) ;
y = R*sin(th) ;
% make groups
G = zeros(size(th)) ;
G(th >= 0 & th < pi/2) =1 ;
G(th>=pi/2 & th < pi) = 2 ;
G(th>=pi & th < 3*pi/2) = 3 ;
G(th >=3*pi/2 & th < 0) = 4 ;
gscatter(x,y,G,'bmgr','o')
axis equal
  2 个评论
Row Sarox
Row Sarox 2022-4-17
Thanks, i have been struggling to change the colors.
Image Analyst
Image Analyst 2022-4-17
There is also a function called viscircles() you might want to know about.

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