[yt-users] X11 issues with yt

[Elizabeth Tasker]

For some reason, it doesn't recognise this. Even though I have it right 
at the start of my script, I see:

work/taskere/yt/yt-2/lib/python2.6/site-packages/matplotlib/__init__.py:854: 
UserWarning:  This call to matplotlib.use() has no effect
because the the backend has already been chosen;
matplotlib.use() must be called *before* pylab, matplotlib.pyplot,
or matplotlib.backends is imported for the first time.


But it couldn't come any earlier:

#!/usr/bin/python

import matplotlib
matplotlib.use('Agg')

from yt.config import ytcfg; ytcfg["yt","serialize"] = "False"
from yt.analysis_modules.api import EnzoSimulation as ES
from yt.mods import *



Elizabeth


Cameron Hummels wrote:
> Try making the first two lines of your code:
>
> import matplotlib
> matplotlib.use('Agg')
>
> I believe the caps on the 'Agg' matter.
>
> Cameron
>
> On 5/2/11 11:18 AM, Elizabeth Tasker wrote:
>> Hi,
>>
>> I suspect this is really a python query, but I've been unable to fix 
>> it... An cluster upgrade has meant I have to submit all my yt scripts 
>> to the queue, rather than running interactively. For some reason, my 
>> script wants to pull up a window to show its plot and then panics 
>> because it can't find a display when it's submitted to a node. I 
>> don't understand why it wants to do this when I ask it to save, not 
>> show:
>>
>>
>>
>> from yt.config import ytcfg; ytcfg["yt","serialize"] = "False"
>> from yt.analysis_modules.api import EnzoSimulation as ES
>> from yt.mods import *
>> ..
>> ..
>> ..
>> ..
>> stuff
>> ..
>> ..
>> ..
>> pylab.plot(time, mass)
>> pylab.ylim([6.39e9, 6.5e9])
>> pylab.savefig("mass_fig.png")
>>
>>
>> I tried adding a "matplotlib.use('agg')" in there but to no avail.
>>
>> Elizabeth
>>
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>>
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