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[Octave-bug-tracker] [bug #55707] graphics backend takes long when plott
From: |
Pantxo Diribarne |
Subject: |
[Octave-bug-tracker] [bug #55707] graphics backend takes long when plotting many lines |
Date: |
Thu, 14 Feb 2019 10:49:09 -0500 (EST) |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Firefox/60.0 |
Follow-up Comment #8, bug #55707 (project octave):
@Markus, Rik: At least, Lachlan stated in bug #47052, that when creating line
objects most of the time was spent initializing graphics_objects. A way to see
that line objects rendering is quite fast is to try to use the "pan" tool on
the figure:
tic; plot (1:1000, 10); toc ## -> 28s on my system
Panning is fast: I can't see jagged rendering which means that it doesn't take
more than a few 10ms for each redraw.
On the contrary the example from bug #40663 is slow the first time (when
creating patch objects) but also when panning
a = randn(1000,3);
scatter(a(:,1),a(:,2),[],a(:,3));
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- [Octave-bug-tracker] [bug #55707] plot(vector, scalar) is very slow, Hartmut, 2019/02/13
- [Octave-bug-tracker] [bug #55707] plot(vector, scalar) is very slow, Markus Mützel, 2019/02/13
- [Octave-bug-tracker] [bug #55707] plot(vector, scalar) is very slow, Pantxo Diribarne, 2019/02/13
- [Octave-bug-tracker] [bug #55707] plot(vector, scalar) is very slow, Pantxo Diribarne, 2019/02/13
- [Octave-bug-tracker] [bug #55707] plot(vector, scalar) is very slow, Markus Mützel, 2019/02/13
- [Octave-bug-tracker] [bug #55707] graphics backend takes long when plotting many lines, Markus Mützel, 2019/02/13
- [Octave-bug-tracker] [bug #55707] graphics backend takes long when plotting many lines, Rik, 2019/02/13
- [Octave-bug-tracker] [bug #55707] graphics backend takes long when plotting many lines, Markus Mützel, 2019/02/14
- [Octave-bug-tracker] [bug #55707] graphics backend takes long when plotting many lines,
Pantxo Diribarne <=
- [Octave-bug-tracker] [bug #55707] graphics backend takes long when plotting many lines, Rik, 2019/02/14
- [Octave-bug-tracker] [bug #55707] graphics backend takes long when plotting many lines, anonymous, 2019/02/14
- [Octave-bug-tracker] [bug #55707] graphics backend takes long when plotting many lines, anonymous, 2019/02/14
- [Octave-bug-tracker] [bug #55707] graphics backend takes long when plotting many lines, Hartmut, 2019/02/15
- [Octave-bug-tracker] [bug #55707] graphics backend takes long when plotting many lines, Rik, 2019/02/15