.
Regards,
Christophe
-Original Message-
From: John Hunter [mailto:jdh2...@gmail.com]
Sent: Sat 08/08/2009 09:00
To: Kaushik Ghose
Cc: matplotlib-users@lists.sourceforge.net
Subject: Re: [Matplotlib-users] animate histogram
On Sat, Aug 8, 2009 at 6:17 AM, Kaushik
Ghosekaushik_gh
On Wed, Aug 19, 2009 at 3:25 PM, Christophe
Duprechristophe.du...@vhayu.com wrote:
I just saw the email below from John, and I was wondering why using compound
paths are goo-gobs faster than using rectangles(patches)?
I've been using the candlestick function quite a bit lately. I guess using
OK, I mostly understand John's example and have
adapted it in the attached Histogram class, for
whoever might care. (The file is a working
example.) Thanks!
Here are my remaining questions.
1. To get a new histogram, I just change the
data in the vertices object and then ask my
Ooops, forgot the attachment.
Alan
Adapts John Hunter's example of how to use a path patch to draw a bunch of
rectangles for an animated histogram
import Tkinter as tk
import numpy as np
import matplotlib as mpl
mpl.use('TkAgg')
from matplotlib.backends.backend_tkagg import FigureCanvasTkAgg,
On Tue, Aug 18, 2009 at 12:53 PM, Alan G Isaacalan.is...@gmail.com wrote:
OK, I mostly understand John's example and have
adapted it in the attached Histogram class, for
whoever might care. (The file is a working
example.) Thanks!
Here are my remaining questions.
1. To get a new
On Tue, Aug 18, 2009 at 1:53 PM, Alan G Isaacalan.is...@gmail.com wrote:
2. This is pretty fast. Would there be additional
speed gains to blitting, and if so, how would it
be done? (I'm just asking for clues, not a complete
example.)
Blitting will improve the performance when significant
Hi Alan,
Alan G Isaac wrote:
This is a second plea for help.
http://www.mail-archive.com/matplotlib-users@lists.sourceforge.net/msg12632.html
I have a figure.Figure embedded in a FigureCanvasTkAgg.
Each iteration, new data are received,
and I want an updated histogram.
Now I can at
On Sat, Aug 8, 2009 at 6:17 AM, Kaushik
Ghosekaushik_gh...@hms.harvard.edu wrote:
(http://matplotlib.sourceforge.net/api/artist_api.html#matplotlib.patches.Rectangle)
e.g. set_height() to change the rectangles?
e.g. code
--
import pylab
x = pylab.rand(20)
h =
On Sat, Aug 8, 2009 at 9:00 AM, John Hunterjdh2...@gmail.com wrote:
This example shows how to use a path patch to draw a bunch of
rectangles for an animated histogram
Oops, in my last post I have the timer logic wrong because the call is
non-blocking so the animation ran too fast -- a rare
On 8/8/2009 10:09 AM John Hunter apparently wrote:
Here is the corrected example:
Seems perfect!
Time to study it.
Thanks!
Alan
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This is a second plea for help.
http://www.mail-archive.com/matplotlib-users@lists.sourceforge.net/msg12632.html
I have a figure.Figure embedded in a FigureCanvasTkAgg.
Each iteration, new data are received,
and I want an updated histogram.
Now I can at least see a way to do this with pyplot:
I
Animating a line plot is well covered in the Cookbook:
http://www.scipy.org/Cookbook/Matplotlib/Animations
Can anyone offer a hint or two for animating a histogram?
Thanks,
Alan Isaac
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