Re: [Gnuplot-py-users] is it possible to continue to Debug when figure is created??

[Sandy Y. <cd...@li...>]

 

Hi Flávio

thank you very much for help

 

if we use 

 

from numpy import *

g  = Gnuplot.Gnuplot(persist=0) 

 

then

NameError: name 'Gnuplot' is not defined
File "C:\start_Feb_8\my_PY_code\May_18__gnuplot_answer_test_1.py", line 3, in <module>
  g  = Gnuplot.Gnuplot(persist=0)
as I mentioned I am very new in Python

may I use you project [1]http://code.google.com/p/liveplots/


but how to install it??

 

Thank you very much in advance

Sandy
 


From: fcc...@gm...
Date: Tue, 18 May 2010 10:25:18 +0100
To: gnu...@li...
Subject: Re: [Gnuplot-py-users] is it possible to continue to Debug when figure is created??

Sandy,

Like Michael said, You can turn off fifo data transfer and use inline with these lines:

Gnuplot.GnuplotOpts.prefer_inline_data = 1
Gnuplot.GnuplotOpts.prefer_fifo_data = 0

I do this in Liveplots[1] and found that inlining data improved the performance enormously. Besides, since I use Python's multiprocessing module to plot data from children processes, FIFO did not work for me.

Flávio


[1]http://code.google.com/p/liveplots/


On Tue, May 18, 2010 at 8:17 AM, Benny Malengier <ben...@gm...> wrote:




2010/5/18 Michael Haggerty <mh...@al...>



Sandy Ydnas wrote:
> I am staring now to use Gnuplot under Python, since Matplotlib has
> problem - it gets stuck during debugging after show().
>
> pls help understand is Gnuplot­­­ debugging friendly, it means is it
> possible to continue to Debug when figure is created??

I personally don't use pdb, but I don't know of any reason why it should
be difficult to debug code that uses Gnuplot.py.  The only thing that
occurs to me is that the use of FIFOs to communicate data to gnuplot
currently requires the use of additional threads that write the data to
the FIFO, and debugging multithreaded code might be tricky.  But the use
of FIFOs is optional; you could configure Gnuplot.py to use temporary
files or inline data instead.

Please tell us what you find out!


Use
g  = Gnuplot.Gnuplot(persist=0) 
The persist=0 should allow you to easily jump over the code that does the figure.

Benny




Michael

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