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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