Image talk:Squircle circle square.png

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The messy and inefficient code for all of the squircle images: clear

x = ([1:512]-256.5);

z = ones(512,1)*(x.^2);

x = ones(512,1)*x; y = x';

r = sqrt(z'+z);


circle = (r > 199 & r < 201);




x = ([1:512]-256.5);

z = ones(512,1)*(x.^4);

x = ones(512,1)*x; y = x';

r = sqrt(sqrt(z'+z));

squirc = (r > 199 & r < 201);


const = circle | squirc;

figure(1) colormap(gray(256)) imagesc(~circle) axis equal tight

figure(2) colormap(gray) imagesc(~squirc) axis equal tight

figure(3) colormap(gray) imagesc(~const) axis equal tight

rectangle ('position',[56 56 400 400])

figure(4) colormap(gray) imagesc(~squirc) axis equal tight rectangle ('position',[56.5 56.5 400 400], 'curvature',[0.5 0.5],'edgecolor','r') Modest Genius ^talk 16:23, 24 September 2006 (UTC)