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

From: David Bateman
Subject: [Octave-bug-tracker] [bug #31305] slow contour plot
Date: Sat, 23 Oct 2010 11:40:51 +0000
User-agent: Mozilla/5.0 (iPhone; U; CPU iPhone OS 4_1 like Mac OS X; fr-fr) AppleWebKit/532.9 (KHTML, like Gecko) Version/4.0.5 Mobile/8B117 Safari/6531.22.7 
Follow-up Comment #17, bug #31305 (project octave):

I'm working on the slow contour part of this bug report addressing two
issues. Firstly using __patch__ rather than patch in __contour__ means that
the callbacks aren't setup and that doubles the speed. The second improvement
is that in the adopt function of the hggroups the axes limits are recalculated
when each contour is added. Do the calcukation once at the last contour
doubles rhe speed again. I'm still looking for other means to speed this ip

D.

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