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Re: [matplotlib-devel] [Python-modules-team] Bug#573179: "AttributeError: 'numpy.bool_' object has no attribute '_mask'" whenever imshow'ing masked array
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From: Eric F. <ef...@ha...> - 2010-03-16 20:10:11
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Sandro Tosi wrote: > forwarded 573179 mat...@li... > thanks > > Hello Matplotlib developers, > I'm forwarding this bug a Debian user reported some days ago. It would > be nice it you could give it a look Using svn trunk mpl and numpy 1.5.0.dev8042, I can't reproduce it; I get a blank figure and a blank colorbar, with no exception. I suspect the difference is in numpy.ma, not matplotlib. Eric > > Thanks in advance, > Sandro > > On Tue, Mar 9, 2010 at 17:05, Yaroslav Halchenko <de...@on...> wrote: >> Package: python-matplotlib >> Version: 0.99.1.2-3 >> Severity: normal >> >> >> throws an exception while comparing two masked arrays which have no values (all >> masked out)... sure thing it can't determine vmin/vmax to be used (unless clim >> is used explicitely), but the exception which is thrown is non-informative. I >> thought that upstream might want to make it more user-friendly -- please >> forward upstream. >> >> Here is the code to reproduce: >> import pylab as pl >> import numpy as np >> >> size = (5, 5) >> d = np.ones(size) >> mask = d.astype(bool) >> >> md = np.ma.masked_array(d, mask) >> pl.imshow(md) >> # explicit clim would eliminate the problem >> #pl.clim(0, 1) >> pl.colorbar() >> >> and here is the traceback: >> >> Traceback (most recent call last): >> File "/usr/lib/python2.5/lib-tk/Tkinter.py", line 1417, in __call__ >> return self.func(*args) >> File "/usr/lib/pymodules/python2.5/matplotlib/backends/backend_tkagg.py", line 212, in resize >> self.show() >> File "/usr/lib/pymodules/python2.5/matplotlib/backends/backend_tkagg.py", line 215, in draw >> FigureCanvasAgg.draw(self) >> File "/usr/lib/pymodules/python2.5/matplotlib/backends/backend_agg.py", line 314, in draw >> self.figure.draw(self.renderer) >> File "/usr/lib/pymodules/python2.5/matplotlib/artist.py", line 46, in draw_wrapper >> draw(artist, renderer, *kl) >> File "/usr/lib/pymodules/python2.5/matplotlib/figure.py", line 773, in draw >> for a in self.axes: a.draw(renderer) >> File "/usr/lib/pymodules/python2.5/matplotlib/artist.py", line 46, in draw_wrapper >> draw(artist, renderer, *kl) >> File "/usr/lib/pymodules/python2.5/matplotlib/axes.py", line 1701, in draw >> im.draw(renderer) >> File "/usr/lib/pymodules/python2.5/matplotlib/artist.py", line 46, in draw_wrapper >> draw(artist, renderer, *kl) >> File "/usr/lib/pymodules/python2.5/matplotlib/image.py", line 237, in draw >> im = self.make_image(renderer.get_image_magnification()) >> File "/usr/lib/pymodules/python2.5/matplotlib/image.py", line 182, in make_image >> x = self.to_rgba(self._A, self._alpha) >> File "/usr/lib/pymodules/python2.5/matplotlib/cm.py", line 166, in to_rgba >> x = self.norm(x) >> File "/usr/lib/pymodules/python2.5/matplotlib/colors.py", line 763, in __call__ >> elif vmin==vmax: >> File "/usr/lib/python2.5/site-packages/numpy/ma/core.py", line 3119, in __eq__ >> check._mask = mask >> AttributeError: 'numpy.bool_' object has no attribute '_mask' >> >> >> >> >> >> >> -- System Information: >> Debian Release: squeeze/sid >> APT prefers unstable >> APT policy: (901, 'unstable'), (900, 'testing'), (300, 'experimental') >> Architecture: amd64 (x86_64) >> >> Kernel: Linux 2.6.31-1-amd64 (SMP w/2 CPU cores) >> Locale: LANG=en_US, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8) >> Shell: /bin/sh linked to /bin/bash >> >> Versions of packages python-matplotlib depends on: >> ii libatk1.0-0 1.28.0-1 The ATK accessibility toolkit >> ii libc6 2.10.2-5 Embedded GNU C Library: Shared lib >> ii libcairo2 1.8.8-2 The Cairo 2D vector graphics libra >> ii libfontconfig1 2.8.0-2 generic font configuration library >> ii libfreetype6 2.3.11-1 FreeType 2 font engine, shared lib >> ii libgcc1 1:4.4.2-2 GCC support library >> ii libglib2.0-0 2.22.4-1 The GLib library of C routines >> ii libgtk2.0-0 2.18.6-1 The GTK+ graphical user interface >> ii libpango1.0-0 1.26.0-1 Layout and rendering of internatio >> ii libpng12-0 1.2.40-1 PNG library - runtime >> ii libstdc++6 4.4.2-2 The GNU Standard C++ Library v3 >> ii python 2.5.4-9 An interactive high-level object-o >> ii python-cairo 1.8.6-1 Python bindings for the Cairo vect >> ii python-dateutil 1.4.1-3 powerful extensions to the standar >> ii python-gobject 2.16.1-1 Python bindings for the GObject li >> ii python-matplotlib-data 0.99.1.2-3 Python based plotting system (data >> ii python-numpy 1:1.3.0-3+b1 Numerical Python adds a fast array >> ii python-pyparsing 1.5.2-1 Python parsing module >> ii python-support 1.0.6.1 automated rebuilding support for P >> ii python-tz 2009l-1 Python version of the Olson timezo >> ii tcl8.5 8.5.7-1 Tcl (the Tool Command Language) v8 >> ii tk8.5 8.5.7-1 Tk toolkit for Tcl and X11, v8.5 - >> ii zlib1g 1:1.2.3.4.dfsg-3 compression library - runtime >> >> Versions of packages python-matplotlib recommends: >> ii python-glade2 2.16.0-1 GTK+ bindings: Glade support >> ii python-tk 2.5.2-1.1 Tkinter - Writing Tk applications >> >> Versions of packages python-matplotlib suggests: >> ii dvipng 1.11-1 convert DVI files to PNG graphics >> ii ipython 0.10-1 enhanced interactive Python shell >> ii librsvg2-common 2.26.0-1 SAX-based renderer library for SVG >> ii python-configobj 4.5.2-2 a simple but powerful config file >> pn python-excelerator <none> (no description available) >> ii python-gtk2 2.16.0-1 Python bindings for the GTK+ widge >> ii python-matplotlib-doc 0.99.0-1 Python based plotting system (docu >> pn python-qt3 <none> (no description available) >> ii python-qt4 4.6-1 Python bindings for Qt4 >> ii python-scipy 0.7.0-2+b1 scientific tools for Python >> ii python-traits 3.2.0-1 Manifest typing and reactive progr >> ii python-wxgtk2.8 2.8.10.1-3 wxWidgets Cross-platform C++ GUI t >> ii texlive-extra-utils 2007.dfsg.2-7 TeX Live: TeX auxiliary programs >> ii texlive-latex-extra 2007.dfsg.17-2 TeX Live: LaTeX supplementary pack >> >> -- no debconf information >> >> >> >> _______________________________________________ >> Python-modules-team mailing list >> Pyt...@li... >> http://lists.alioth.debian.org/mailman/listinfo/python-modules-team >> > > > |
