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Re: Zooming in subplots is very slow


From: Nicholas Jankowski
Subject: Re: Zooming in subplots is very slow
Date: Wed, 20 Nov 2019 15:57:15 -0500

> what takes time is for the zoom rectangle to appear, when it has appeared it
> is OK.

ok, so just to be clear: you're seeing a lot of lag in drawing the
Zoom rectangle, but the actual zoom operation happens at an acceptable
speed.

there may be something specific to how Octave does the screen redraw,
or how it redraws in the presence of a high data-point graph, that
could use some optimization

which graphics toolkit are you using?
>> graphics_toolkit

does the slow performance occur in all toolkits?  maybe repeat the
operation with each of

>> graphics_toolkit('qt')
>> graphics_toolkit('fltk')
>> graphics_toolkit('gnuplot')

and see if you get the same behavior.



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