[SciPy-user] Fast simple plotting

Barry Drake bldrake at adaptcs.com
Thu Jan 4 09:19:08 CST 2007


John,
Thank you!  I just downloaded all the software and ordered the temperature and dew point sensor.  It's certain I'll have questions after I get started.

Cheers!
Barry

John Hassler <hasslerjc at adelphia.net> wrote:        You might want to look at PyUniversalLibrary, too:
 http://www.its.caltech.edu/~astraw/pyul.html
 
 john
 
 Barry Drake wrote: Samuel,
 I would be interested in you code.  I plan to buy some of the hardware you mentioned and set something up for a teaching lab.
   
 Thanks.
 Barry Drake
   
   Samuel GARCIA wrote:    If you want I have written an osciloscope for mpl and pyqt4.
 But the code is really dirty.
 I have tested it with a usb2 Mesurment Computing Card.
 It works quite good for low sampling rate (16 channel 200Hz) and small
 window (5s.)
 And I am doing something else at the same time (recording to a file and
 trigger detection)
 So for me mpl is good enough too.
     
 What is the size of data you to refresh 5 frames per second ?
     
 Sam
     
 Lars Friedrich wrote:
 > Hello everyone,
 >
 > I am using python/scipy to control some hardware using ctypes and some
 > self written dlls. Now I have the need to display some data online while
 > doing other things. Until now I used matplotlib to plot everything, but
 > this is too slow for the online display. What do you recommend?
 >
 > What I would like to do as a start is a small simple oscilloscope. I
 > read data from a data acquisition card and plot it to a simple 2d-plot.
 > I would like to reach roughly 5 frames per second but *being able to do
 > something else at the same time*.
 >
 > As I said, I tried matplotlib. At the moment I am playing around with
 > VTK. I read about chaco. I know that there is gnuplot. Certainly there
 > is also wx or something equivalent.
 >
 > Is there anyone doing something similar? What do you recommend?
 >
 > Thanks for every comment
 >
 > Lars Friedrich
 >
 >
 > 
     
 -- 
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 Samuel Garcia
 Universite Claude Bernard LYON 1
 CNRS - UMR5020, Laboratoire des Neurosciences et Systemes Sensoriels
 50, avenue Tony Garnier
 69366 LYON Cedex 07
 FRANCE
 Tél : 04 37 28 74 64
 Fax : 04 37 28 76 01
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
     
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