Re: [Matplotlib-users] How to remove x axis in a subplotted graph
On Wed, Mar 14, 2012 at 2:38 PM, kususe kus...@interfree.it wrote: I got an error using the first subplot function because I have to specify 3 parameters. If i do it, I get that AxesSubplot' object is not iterable I coded using 3 subplot functions, getting the same error. Thanks K. Note that I wrote `subplots` with an s, which is a different command than `subplot`. (You're really having problems with ss today :) BTW, would you mind interleaving or bottom-posting replieshttp://en.wikipedia.org/wiki/Posting_style#Placement_of_replies. It's a bit easier to follow the conversation that way. -Tony Yes, for sure I coded: fig, axes = plt.subplot(3,1,1) ax1, ax2, ax3 = axes p1, = ax1.plot(self.data0,self.data1) plt.subplot(3,1,2) p2, = ax2.plot(self.data0,self.data2) ... plt.subplot(3,1,3) p3, = ax3.plot(self.data0,self.data4) for ax in axes: ax.set_xticks([]) but I got the error which said you. -- View this message in context: http://old.nabble.com/How-to-remove-x-axis-in-a-subplotted-graph-tp33500598p33507959.html Sent from the matplotlib - users mailing list archive at Nabble.com. -- This SF email is sponsosred by: Try Windows Azure free for 90 days Click Here http://p.sf.net/sfu/sfd2d-msazure ___ Matplotlib-users mailing list Matplotlib-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/matplotlib-users
[Matplotlib-users] How to remove the black border in a Matplotlib figure
Hi folks, I'd like to remove the black border which is created when I save the image, letting just the white background and the graph. Is there a solution?? Thanks, K. -- View this message in context: http://old.nabble.com/How-to-remove-the-black-border-in-a-Matplotlib-figure-tp33508568p33508568.html Sent from the matplotlib - users mailing list archive at Nabble.com. -- This SF email is sponsosred by: Try Windows Azure free for 90 days Click Here http://p.sf.net/sfu/sfd2d-msazure ___ Matplotlib-users mailing list Matplotlib-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/matplotlib-users
[Matplotlib-users] Figure save hack
Hey, last weekend I wrote a hook which can track figure creation. Basically it takes care of creating the new figure and wraps it to track all changes to it. Its a hack, and the code is not cleaned up or tested much, but I like to do scripts that I run with many parameters to create plots and it works well to allow me to open the figures in a way that I can zoom, etc. and would allow editing (a bit) later on too. So while I doubt the approach can be made something serious, and there are probably things that don't work (right now 3D Axis can be done with a bit extra but mouse zooming does not work inside a 3D Axis, though I think its likely not difficult to change), I thought I would put it online because I am not aware of any way to save matplotlib figures: https://github.com/seberg/haunter-for-matplotlib-figures Maybe someone finds it useful or interesting :) Regards, Sebastian Berg -- This SF email is sponsosred by: Try Windows Azure free for 90 days Click Here http://p.sf.net/sfu/sfd2d-msazure ___ Matplotlib-users mailing list Matplotlib-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/matplotlib-users
Re: [Matplotlib-users] Bus error related to ft2font on Mac OS X (10.6), gcc-4.2, apparently 0.99 branch related
Hi, Am 14. November 2011 15:04 schrieb Friedrich Romstedt friedrichromst...@gmail.com: 2011/11/14 Michael Droettboom md...@stsci.edu: Thanks for all the time you've devoted to this. It does look like possibly some kind of compiler bug. The font loads and renders fine on Linux, for what it's worth (just as a data point). To confirm this theory: if you move NISC1803.ttf somewhere temporary, delete ~/.matplotlibrc/fontList.cache and then import matplotlib, do you get the crash? That at least confirms that loading this font file triggers the bug (wherever the bug may be). Test with matplotlib 1.1.0 or git master so we have a sense of the current behavior. Hi Mike, the following fonts on my system are offending: /Library/Fonts/NISC18030.ttf /Library/Fonts/AppleMyungjo.ttf /Library/Fonts/Gungseouche.ttf With these fonts made unfindable by matplotlib (:file:`*.ttf_`) it exits cleanly. I will provide with a patch to matplotlib for an rc setting fonts.bus-error : ..., e.g. ``fonts.bus-error : NISC18030.ttf, AppleMyungjo.ttf, Gungseouche.ttf`` in the next days. I just took the time to recompile the whole thingy, including supporting libraries. I used: – libfreetype-2.4.9 – matplotlib-1.1.0 – MACOSX_DEPLOYMENT_TARGET=10.5 – The files noted in the citation above are in place (i.e., accessible as .ttf files) My theory was that a compiler error triggers the error with the font files in question. Because recompiling ft2font.so with a different MACOSX_DEPLOYMENT_TARGET made the crash disappear I supposed that ft2font would trigger that compiler error. It needed to be a compiler error because that environment variable was the only change that made the crash disappear. Now it is the question if with more recent software that error still persists. I have found that this is not the case. I recompiled with the libraries noted above (all compiled from source), and I can successfully import matplotlib.figure. This import previously provoked the crash. So I believe that either I was wrong in some respect, or the more recent software toolchain no longer provokes the crash, because its code changed. Since it works just flawlessly on my system now, I see little need to implement the mechanism for excluding font files from being loaded – if it is not needed I will not code it. Friedrich P.S.: Of course I moved the font cache before, so that it is recreated when importing matplotlib.figure for the first time. P.P.S.: One more difference is that the current Python is not a framework Python anymore, but a regular Python. It was clear from the beginning (well, from the point I got a handle on it), that loading the font makes the 2009 matplotlib crash. The only question unanswered is where the codepath is that triggers this compiler bug (I think the compiler but hypothesis is not disproven and works well atm). If the code path is in ft2font.cpp, we could (you could) reformulate ft2font.cpp in an equivalent way with the exception that it is not equivalent in crashing. You might want to augment ft2font.cpp by printf() or something to see if the crash appears inside a call to libfreetype or if all those calls return cleanly. To my understanding, since recompiling ft2font.so without MACOSX_DEPLOYMENT_TARGET different from 10.6 helps, ft2font.cpp should be the culprit resp. victim. The only alternative I'm seeing would be that it has to to do with the load mechanism of the dylib, but I deem this rather unlikely. Well, unlikely is not the best word in this context, since all this things here were pretty unlikely. If the codepath is in libfreetype this would be an issue for their list. ... Friedrich -- This SF email is sponsosred by: Try Windows Azure free for 90 days Click Here http://p.sf.net/sfu/sfd2d-msazure ___ Matplotlib-users mailing list Matplotlib-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/matplotlib-users
Re: [Matplotlib-users] 2D plots in mplot3d
Hello list; I have some data that I would like to display a bit like it is done in this example: http://matplotlib.sourceforge.net/mpl_toolkits/mplot3d/tutorial.html#d-plots-in-3d Only, instead of the line plot in the z=0 plane, I would like to represent my data as a pcolormesh (and instead of the scatter I would like to do a line plot of the levels at chosen y-values, bu that is not the problem now). However, when I try to do a ax.pcolormesh() - which should be inherited - it creates the object just fine, but when I write 'draw()', I get the error message: AttributeError: 'QuadMesh' object has no attribute 'do_3d_projection' Is there a different way to obtain what I wanbt - that is, an image plot with customizeable coordinate axes, in a given plane (here z=0) of the Axes3D? Cheers; Emil -- This SF email is sponsosred by: Try Windows Azure free for 90 days Click Here http://p.sf.net/sfu/sfd2d-msazure ___ Matplotlib-users mailing list Matplotlib-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/matplotlib-users
[Matplotlib-users] matplotlib.sankey: boxes spliced into flow?
Hullo matplotlib list, I've discovered (with pleasure!) that matplotlib has recently learned how to create Sankey diagrams. Thank you Kevin and Yannick! One of my less-technically inclined fellow graduate students is searching for his toolset of choice for generating these suckers, and is currently looking at Stan. As I'm an open-source advocate I'd love to be able to say, you can do this with X, where X in this case is clearly matplotlib. Specifically, I've not heavily used matplotlib before, and from the given examples I see on matplotlib.sf.net, I'm not clear on exactly the capabilities of this recently-added code. What my fellow grad student has opined would be nice for his uses would be boxes that are built into the flows, rather than just used as labels. Something like: Page Load http://modernl.com/images/diagrams/web-traffic-sankey-diagram.png Input, Gas Turbine, HRSG, Waste, BP Turbine, Output http://www.bucknell.edu/images/Depts/Facilities/sankeythumb.jpg Is this currently possible, /without/ manually adjusting the graphic? Thanks! Kevin -- This SF email is sponsosred by: Try Windows Azure free for 90 days Click Here http://p.sf.net/sfu/sfd2d-msazure ___ Matplotlib-users mailing list Matplotlib-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/matplotlib-users
Re: [Matplotlib-users] How to remove the black border in a Matplotlib figure
On Thu, Mar 15, 2012 at 6:01 AM, kususe kus...@interfree.it wrote:
Hi folks,
I'd like to remove the black border which is created when I save the image,
letting just the white background and the graph.
Is there a solution??
Thanks,
K.
--
Matplotlib provides a function that *almost* does this: `plt.axis('off')`
or `ax.set_axis_off()`, but these functions clear the white background as
well (along with the ticks, spines, and axis labels).
The following snippet clears only the spines and ticks:
ax.xaxis.set_ticks([])
ax.yaxis.set_ticks([])
for spine in ax.spines.itervalues():
spine.set_visible(False)
I've wrapped this up into a utility function:
https://github.com/tonysyu/mpltools/blob/master/mpltools/layout.py
-Tony
--
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Re: [Matplotlib-users] (Lack of) hidden surfaces - mplot3d bug?
On Thu, Mar 15, 2012 at 12:31 PM, Thøger Rivera-Thorsen thoger.e...@gmail.com wrote: Hello people, I am trying to do a surface plot of some data, with some line plots marking some lines of special interest - see attachment. It would be really nice if the surface plot would hide the lines that are behind the surface, but every single line piece is clearly visible, which makes the picture a good deal more messy than I'd like it to be. Is this a bug, and/or is there a way to fix it? This is a common problem and is partly addressed here in the mplot3d FAQ: http://matplotlib.sourceforge.net/mpl_toolkits/mplot3d/faq.html#my-3d-plot-doesn-t-look-right-at-certain-viewing-angles For your particular situation, the surface plot is represented by a single z value (z in the viewing coordinates, not the graph coordinates). Depending on how your lines are being done, the group of lines may each be represented by their own z values or there is a single z-value for all of the lines (again, depending on how you are plotting). For your kind of scene, there are some work-arounds. Specifically, I might try modifying the surface object itself. It is pretty much just a PolyCollection. You can get/set the edgecolors, specifically modifying the elements that correspond to the lines you want to color. Note that it is a bit tricky in that you have to also modify the collection's _edgecolors3d attribute as it is what stores the original colors (the colors that are displayed gets shaded with user-interaction, so we have to store the original colors there). I hope this rambling makes some sense. Let me know if you have questions. Ben Root -- This SF email is sponsosred by: Try Windows Azure free for 90 days Click Here http://p.sf.net/sfu/sfd2d-msazure___ Matplotlib-users mailing list Matplotlib-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/matplotlib-users
Re: [Matplotlib-users] open ascii grid data and plot
El día 15 de marzo de 2012 05:14, questions anon questions.a...@gmail.com escribió: I think my error is from the np.genfromtxt because I just checked the size of my data and it appears in 1D rather than 2D. This is unsurprising since your file has just one row of data. I overlooked that because the weird error message drove all my attention to it. You can reshape the resulting array to (691, 886). Still that error message should not be there in any case. I don't really understand what np.logical_or is or how to use it? I have tried just calling it at the beginning of the script np.logical_or computes the logical out of two boolean arrays. It's called internally by countourf and that's triggering the exception: AttributeError: logical_or Which makes no sense at all because: 1. np is expected to be an alias for numpy and numpy *does* have an attribute called logical_or. 2. In case np didn't have an attribute called logical_or (for whatever reason) it would cause an exception but the error message should be something like AttributeError: 'module' object has no attribute 'logical_or'. You where asked to call np.logical_or at the beginning of the script in order to know if it triggers the exception in that context. [...] but I still end up with the same error. So the call at the beginning didn't trigger the error? Regards Goyo -- This SF email is sponsosred by: Try Windows Azure free for 90 days Click Here http://p.sf.net/sfu/sfd2d-msazure ___ Matplotlib-users mailing list Matplotlib-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/matplotlib-users
[Matplotlib-users] matplotlib compiled fine, but plot doesn't pop up in interactive mode
Dear all, I tried to search through the mailinglist archive first, but couldn't ( http://sourceforge.net/mailarchive/forum.php?forum_name=matplotlib-users). Is the mailinglist only for browsing by date? I did a clean install of matplotlib (following the installation webpage) on Linux machine (x86_64 GNU/Linux), from source file matplotlib-1.1.0.tar. the building log is as follow, you could see that I did change the basedir list in setupext.py. I didn't change the matplotlibrc file. (I installed ActiveTcl and ActivePython trying to solve the problem, but the installation seems unchanged.) tabasco:~/software/matplotlib-1.1.0 python setup.py build basedirlist is: ['/usr/local', '/usr', '/mnt/raidc/mshang/software/libpng-1.5.9', '/mnt/raidc/mshang/software/ActiveTcl', '/mnt/raidc/mshang/software/ActivePython', '/mnt/raidc/mshang/software/freetype-2.4.9', '/mnt/raidc/mshang/software/zlib-1.2.6'] BUILDING MATPLOTLIB matplotlib: 1.1.0 python: 2.7.2 (default, Mar 3 2012, 11:39:51) [GCC 4.1.2 20061115 (prerelease) (Debian 4.1.1-21)] platform: linux2 REQUIRED DEPENDENCIES numpy: 1.6.1 freetype2: found, but unknown version (no pkg-config) OPTIONAL BACKEND DEPENDENCIES libpng: found, but unknown version (no pkg-config) Tkinter: no * TKAgg requires Tkinter 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 Cairo: no OPTIONAL DATE/TIMEZONE DEPENDENCIES datetime: present, version unknown dateutil: 1.5 pytz: 2011c OPTIONAL USETEX DEPENDENCIES dvipng: no ghostscript: /bin/sh: gs: command not found latex: no [Edit setup.cfg to suppress the above messages] . After compilation, I can generate plots using script as blow: cat test.py from matplotlib import pyplot as plt plt.plot([1,2],[2,3]) plt.savefig(test.png) plt.savefig(test.eps) plt.savefig(test.pdf) But the problem I have now is that: I get no pop-up window when I type pylab.show() in interactive mode. And below is the output of simple_plot: cat simple_plot.py from pylab import * plot([1,2,3]) show() python simple_plot.py --verbose-helpful $HOME=/mnt/raidc/mshang CONFIGDIR=/mnt/raidc/mshang/.matplotlib matplotlib data path /mnt/raidc/mshang/software/Python-2.7.2/lib/python2.7/site-packages/matplotlib/mpl-data loaded rc file /mnt/raidc/mshang/software/Python-2.7.2/lib/python2.7/site-packages/matplotlib/mpl-data/matplotlibrc matplotlib version 1.1.0 verbose.level helpful interactive is False platform is linux2 Using fontManager instance from /mnt/raidc/mshang/.matplotlib/fontList.cache backend agg version v2.2 Does anyone have any idea what's going wrong here? I can run gnuplot and get pop-up windows fine, but I guess matplotlib doesn't use Xming... Thank you all for reading this post!! -- Miranda -- This SF email is sponsosred by: Try Windows Azure free for 90 days Click Here http://p.sf.net/sfu/sfd2d-msazure___ Matplotlib-users mailing list Matplotlib-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/matplotlib-users
Re: [Matplotlib-users] matplotlib compiled fine, but plot doesn't pop up in interactive mode
On Thursday, March 15, 2012, Yi Shang mirandaisb...@gmail.com wrote: Dear all, I tried to search through the mailinglist archive first, but couldn't ( http://sourceforge.net/mailarchive/forum.php?forum_name=matplotlib-users). Is the mailinglist only for browsing by date? I did a clean install of matplotlib (following the installation webpage) on Linux machine (x86_64 GNU/Linux), from source file matplotlib-1.1.0.tar. the building log is as follow, you could see that I did change the basedir list in setupext.py. I didn't change the matplotlibrc file. (I installed ActiveTcl and ActivePython trying to solve the problem, but the installation seems unchanged.) tabasco:~/software/matplotlib-1.1.0 python setup.py build basedirlist is: ['/usr/local', '/usr', '/mnt/raidc/mshang/software/libpng-1.5.9', '/mnt/raidc/mshang/software/ActiveTcl', '/mnt/raidc/mshang/software/ActivePython', '/mnt/raidc/mshang/software/freetype-2.4.9', '/mnt/raidc/mshang/software/zlib-1.2.6'] BUILDING MATPLOTLIB matplotlib: 1.1.0 python: 2.7.2 (default, Mar 3 2012, 11:39:51) [GCC 4.1.2 20061115 (prerelease) (Debian 4.1.1-21)] platform: linux2 REQUIRED DEPENDENCIES numpy: 1.6.1 freetype2: found, but unknown version (no pkg-config) OPTIONAL BACKEND DEPENDENCIES libpng: found, but unknown version (no pkg-config) Tkinter: no * TKAgg requires Tkinter 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 Cairo: no OPTIONAL DATE/TIMEZONE DEPENDENCIES datetime: present, version unknown dateutil: 1.5 pytz: 2011c OPTIONAL USETEX DEPENDENCIES dvipng: no ghostscript: /bin/sh: gs: command not found latex: no [Edit setup.cfg to suppress the above messages] . After compilation, I can generate plots using script as blow: cat test.py from matplotlib import pyplot as plt plt.plot([1,2],[2,3]) plt.savefig(test.png) plt.savefig(test.eps) plt.savefig(test.pdf) But the problem I have now is that: I get no pop-up window when I type pylab.show() in interactive mode. And below is the output of simple_plot: cat simple_plot.py from pylab import * plot([1,2,3]) show() python simple_plot.py --verbose-helpful $HOME=/mnt/raidc/mshang CONFIGDIR=/mnt/raidc/mshang/.matplotlib matplotlib data path /mnt/raidc/mshang/software/Python-2.7.2/lib/python2.7/site-packages/matplotlib/mpl-data loaded rc file /mnt/raidc/mshang/software/Python-2.7.2/lib/python2.7/site-packages/matplotlib/mpl-data/matplotlibrc matplotlib version 1.1.0 verbose.level helpful interactive is False platform is linux2 Using fontManager instance from /mnt/raidc/mshang/.matplotlib/fontList.cache backend agg version v2.2 Does anyone have any idea what's going wrong here? I can run gnuplot and get pop-up windows fine, but I guess matplotlib doesn't use Xming... Thank you all for reading this post!! -- Miranda The build can't find the build dependencies. At the very least, install the tkinter-devel packages. These dependencies are needed to make mpl interactive, but are not required for a successful build. The instructions on the page for how to install from source explains how to determine all your build requirements from the command-line. I hope that helps! Ben Root -- This SF email is sponsosred by: Try Windows Azure free for 90 days Click Here http://p.sf.net/sfu/sfd2d-msazure___ Matplotlib-users mailing list Matplotlib-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/matplotlib-users
