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[Octave-bug-tracker] [bug #31305] slow contour plot

From: Shai Ayal
Subject: [Octave-bug-tracker] [bug #31305] slow contour plot
Date: Tue, 12 Oct 2010 19:14:03 +0000
User-agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv: Gecko/20100916 Iceweasel/3.5.13 (like Firefox/3.5.13)

Follow-up Comment #12, bug #31305 (project octave):

contour uses patches to draw the contour lines. The patch cdata is supposed
to determine the color of the edges, but it does not work in fltk.
The follwing code displays an empty triangle with black edges on fltk,
although the edges should be blue according to the default colormap:

clf ()
axis ([0 1 0 1])
patch ([0.5, 0.6, 0.5],[0.5, 0.5 , 0.6] , "facecolor", "none", "edgecolor",
"flat", "cdata" , 0.5)

Can you confirm matlabs behavior for his code?



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