[SciPy-dev] PyGist

eric jones eric at enthought.com
Mon Mar 10 23:46:43 CST 2003


Tested it on windows, and that seems to fix it here.

 

eric

 

----------------------------------------------
eric jones                    515 Congress Ave
www.enthought.com             Suite 1614
512 536-1057                  Austin, Tx 78701

-----Original Message-----
From: scipy-dev-admin at scipy.net [mailto:scipy-dev-admin at scipy.net] On
Behalf Of Travis E. Oliphant
Sent: Monday, March 10, 2003 6:59 PM
To: scipy-dev at scipy.net
Subject: Re: [SciPy-dev] PyGist

 



eric jones wrote:



Hey Travis,
 
I just tried the same thing from RH 7.2 with the current CVS, and the
same thing happened, so perhaps it isn't a windows issue?
  


No, it's not,  I managed to track it down to gistCmodule.c 

In the switch to the new version, they forgot to register with gist a
function that cleans up the high-level list of graphics engines when a
destroy event occurs.  So, the high-level was eventually trying to
reference a destroyed window.  The fix was to just register this
function (which already existed).  

I've checked in the updated version that doesn't segfault for me
anymore. 

-Travis





 
eric
 
----------------------------------------------
eric jones                    515 Congress Ave
www.enthought.com             Suite 1614
512 536-1057                  Austin, Tx 78701 
 
 
  

-----Original Message-----
From: scipy-dev-admin at scipy.net [mailto:scipy-dev-admin at scipy.net] On
Behalf Of Travis E. Oliphant
Sent: Monday, March 10, 2003 2:48 PM
To: scipy-dev at scipy.net
Subject: Re: [SciPy-dev] PyGist
 
 
 
eric jones wrote:
 
    

Hey Travis,
 
I just tried xplt out in the new CVS on Win XP, and it worked great
      

for
  

a single plot.  If I close the plot window and try to plot something
again, it doesn't bring up a new plot.  When I then tried
      

xplt.figure(),
  

it seg-faulted.
    
I tried what you did and it happened to me too.
 
I will track it down.  I remember this happening before
 
-Travis
 
 
    

Any ideas?
 
eric
 
----------------------------------------------
eric jones                    515 Congress Ave
www.enthought.com             Suite 1614
512 536-1057                  Austin, Tx 78701
 
 
 
 
      

-----Original Message-----
From: scipy-dev-admin at scipy.net [mailto:scipy-dev-admin at scipy.net]
        

On
  

Behalf Of Travis Oliphant
Sent: Friday, March 07, 2003 4:57 PM
To: scipy-dev at scipy.org
Subject: [SciPy-dev] PyGist
 
 
 
I have recently discovered the PyGist has undergone some changes
        

while
  

we've been using it in SciPy.
 
Part of these changes have led it to be available on Windows!!!!
 
Given that to compile SciPy on Windows we need the same tools
        

required
  

to compile and use PyGist on Windows, I am very willing to make the
modifications to xplt necessary to get it to compile and be useful
        

to
  

the windows user.
 
This will provide a fast and very capable plotting package that
        

while
  

missing a couple of the bells and whistles of the eventually
        

delivered
  

chaco package, will allow users to produce publication quality plots
immediately under current SciPy.
 
I think this is very important for the further dissemination of
        

SciPy.
  

Some may get concerned that we will spend too many resources making
 
 
        

xplt
 
 
      

workable to only through it away in the end.   I think this will not
happen because PyGist is so fast and easy to use.
 
I fear that we are losing potential users because we are not
 
 
        

supporting
 
 
      

a consistent and very useable (if not perfect) plotting package for
SciPy.  Because PyGist now works on all platforms and it is very
        

full
  

featured there is no reason not to provide it in all binaries of
 
 
        

SciPy.
 
 
      

-Travis O.
 
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