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[Octave-bug-tracker] [bug #35033] mangled filled contour plot


From: Ben Abbott
Subject: [Octave-bug-tracker] [bug #35033] mangled filled contour plot
Date: Sun, 11 Dec 2011 19:14:25 +0000
User-agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_7_2) AppleWebKit/535.2 (KHTML, like Gecko) Chrome/15.0.874.121 Safari/535.2

Follow-up Comment #1, bug #35033 (project octave):

Another example is below


N = 601;
D = round (N/3);
M = round ((N-1) / 10) + 1;
z1 = rand (M, M);
x1 = 10 * ((1:M) - 1) + 1;
[x1, y1] = meshgrid (x1, x1);

[x, y] = meshgrid (1:N, 1:N);
z = 0.5 * (round (2 * interp2 (x1, y1, z1, x, y)) == 2);

r = min (abs (x - D * round (x / D)), abs (y - D * round (y / D)));
z(r < ceil (D/20)) = 1;

contourf (z)
caxis ([0 1])
colorbar


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  <http://savannah.gnu.org/bugs/?35033>

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