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Re: [Matplotlib-users] Any available backend for non-root users?
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From: Liang W. <fra...@gm...> - 2012-08-17 18:10:45
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Appears that I have to build my own python with tk/tcl instead of using the default python, then rebuild mpl. What a pain. Like this: http://shanit.blogspot.com/2011/03/configuring-python-matplotlib-displays.html On Fri, Aug 17, 2012 at 11:51 AM, Liang Wang <fra...@gm...> wrote: > yes Eric, it was built without tk. But how do I specify the path to the tk > lib and headfile? I found them but have no idea how to pass them to the mpl > build. > > Already thankful for your suggestions. > On Aug 17, 2012 11:14 AM, "Moore, Eric (NIH/NIDDK) [F]" < > eri...@ni...> wrote: > >> ** ** >> >> ** ** >> >> *From:* Liang Wang [mailto:fra...@gm...] >> *Sent:* Thursday, August 16, 2012 6:50 PM >> *To:* Benjamin Root >> *Cc:* mat...@li... >> *Subject:* Re: [Matplotlib-users] Any available backend for non-root >> users?**** >> >> ** ** >> >> Thank you Ben,**** >> >> I did use -X option upon ssh and I am running linux locally. The DISPLAY >> variable is automatically "localhost:17.0", where the number 17 changes for >> each login. But Tk would not work even after I export a new value to >> DISPLAY like ":0.0". I even tried reinstalling matplotlib (from source or >> through easy_install) with both values of DISPLAY but it always warns that >> Tk window failed to open. When I try to use TkAgg, it says**** >> >> ** ** >> >> ...**** >> >> import matplotlib.backends.tkagg as tkagg**** >> >> File >> "/ccs/home/lag69/.local/lib/python2.7/site-packages/matplotlib-1.1.0-py2.7-linux-x86_64.egg/matplotlib/backends/tkagg.py", >> line 1, in <module>**** >> >> import _tkagg**** >> >> ImportError: No module named _tkagg**** >> >> ** ** >> >> So far I haven't solved this problem and I have to generate png files to >> view them (I can view them by xview or display of ImageMagick so the x11 >> forwarding does work) **** >> >> ** ** >> >> This is odd, and I almost lost my patient to try. But I still want to >> appreciate your generous help, Ben.**** >> >> ** ** >> >> regards,**** >> >> Liang**** >> >> On Thu, Aug 16, 2012 at 4:54 PM, Benjamin Root <ben...@ou...> wrote:** >> ** >> >> ** ** >> >> On Thu, Aug 16, 2012 at 4:26 PM, Liang Wang <fra...@gm...> wrote:* >> *** >> >> Hi everyone. I have trouble to find a usable background on a remote >> server where I do not have root privilege. Unfortunately, there is no >> backend available:**** >> >> ** ** >> >> Tkinter: no**** >> >> * Using default library and include directories >> for**** >> >> * Tcl and Tk because a Tk window failed to open.* >> *** >> >> * You may need to define DISPLAY for Tk to work so >> **** >> >> * that setup can determine where your libraries >> are**** >> >> * located. Tkinter present, but header files are >> not**** >> >> * found. You may need to install development**** >> >> * packages.**** >> >> Gtk+: no**** >> >> * Building for Gtk+ requires pygtk; you must be >> able**** >> >> * to "import gtk" in your build/install >> environment **** >> >> Mac OS X native: no**** >> >> Qt: no**** >> >> Qt4: no**** >> >> PySide: no**** >> >> Cairo: no**** >> >> ** ** >> >> The output of a simple script is**** >> >> ==================**** >> >> simple_plot.py:**** >> >> #**** >> >> from pylab import ***** >> >> plot([1,2,3])**** >> >> show()**** >> >> #**** >> >> python simple_plot.py --verbose-helpful > output.txt**** >> >> ==================**** >> >> $HOME=/ccs/home/user1**** >> >> CONFIGDIR=/ccs/home/user1/.matplotlib**** >> >> matplotlib data path >> /ccs/home/user1/.local/lib/python2.7/site-packages/matplotlib-1.1.0-py2.7-linux-x86_64.egg/matplotlib/mpl-data >> **** >> >> loaded rc file >> /ccs/home/user1/.local/lib/python2.7/site-packages/matplotlib-1.1.0-py2.7-linux-x86_64.egg/matplotlib/mpl-data/matplotlibrc >> **** >> >> matplotlib version 1.1.0**** >> >> verbose.level helpful**** >> >> interactive is False**** >> >> platform is linux2**** >> >> Using fontManager instance from /ccs/home/user1/.matplotlib/fontList.cache >> **** >> >> backend agg version v2.2**** >> >> ** ** >> >> When I tried to install pygtk, it requires glib, which is missing, and I >> just did not digg further. So, is there any workaround that I can get ANY >> backend to work (to show images on screen). **** >> >> ** ** >> >> ** ** >> >> Any suggestions will be greatly appreciated (I really want to get things >> to work).**** >> >> ** ** >> >> Regards,**** >> >> Liang**** >> >> ** ** >> >> >> The Agg backend is always available for non-interactive plotting. In >> other words, you won't be able to do a show() call, but you can save to any >> of the image formats. The TkAgg backend should also be an option (unless >> that python was built without Tk, which is rare). Often, if Tk isn't >> working, it is a simple matter of setting your display environment >> correctly. Most of the time, simply passing the "-X" option to ssh is >> sufficient (assuming you are sshing from a linux box). Otherwise, I think >> you have to mess around with your DISPLAY environment variable on the >> remote server (I think it is usually ":0.0", but I am no expert on this. >> >> I hope that helps! >> Ben Root**** >> >> ** ** >> >> ** ** >> >> You need to install one of the optional backends. In your original email >> the output you included is showing “no” for all of the interactive >> backends. So somewhere when you’re building mpl, either you don’t have the >> right things installed or the build is unable to locate them. Tk wasn’t >> found during the build, so no module called _tkagg was built, hence the >> import fails as you report in your second email. Your current problem isn’t >> with DISPLAY, but with the build. Hopefully someone else can suggest some >> appropriate steps to take to solve you build problems, but I’d first check >> if your python was built with Tk. **** >> >> ** ** >> >> Eric**** >> >> ** ** >> >> >> ------------------------------------------------------------------------------ >> Live Security Virtual Conference >> Exclusive live event will cover all the ways today's security and >> threat landscape has changed and how IT managers can respond. Discussions >> will include endpoint security, mobile security and the latest in malware >> threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ >> _______________________________________________ >> Matplotlib-users mailing list >> Mat...@li... >> https://lists.sourceforge.net/lists/listinfo/matplotlib-users >> >> |
