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on 26 Oct 2021
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a=508;
X=linspace(-164,164,a);
[t,r]=cart2pol(X,X'-90);
colormap([1 1 .9;flip(pink.*autumn)]);
s=r;
s(s<12)=1;
image(s);
hold;
Current plot held
image(ones(a),'AlphaData',1.8E4*abs(ifft2(r.^-1.45.*cos(6*rand(a))))-0.1);
patch([-1 1 1 -1]*80+260,[120 120 320 320],[.09 .72 .95],'edgea',0);
ylim([150 508]);
axis equal off
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