OK - Thanks for the explanation. Sorry you had to type such a long response to my short little complaint :)
> -----Original Message----- > From: Michael Droettboom [mailto:[EMAIL PROTECTED] > Sent: Tuesday, November 25, 2008 1:06 PM > To: Drain, Theodore R > Cc: matplotlib-users@lists.sourceforge.net > Subject: Re: [Matplotlib-users] polar > > Drain, Theodore R wrote: > > Michael, > > I think the issue is that there is no Unicode in the script that was > attached - it's just a simple polar call so the user isn't really > Unicode". > > > Polar plots always use Unicode by default for the degree sign. It > would > be crazy to try to do those things without Unicode. The problem at > hand > here is only when usetex is on and text.latex.unicode is False. I > think > it's perhaps time to adjust the default on the latter to True to avoid > this issue -- but someone more familiar with usetex should comment on > that. > > I think Unicode is starting to creep into the source in various > places > Use of Unicode characters in output has existed for some time. There > is, however, no Unicode in the source files (something we've had > transiently but have addressed), because it does cause a problem with > some editors. I think that's a reasonable style guideline, but > avoiding > Unicode in the output is not. I personally put in a lot of work to > support Unicode in all the backends -- it allows the output to be > richer > and more like traditional typesetting rather than being stuck with the > limitations imposed by 7-bit ASCII, which is the only reasonable > alternative. > > - we just had a user point out that negative numbers are using a > normal negative sign ('-1.2') anymore but some kind of Unicode dash > that's a lot bigger than the normal one. I wonder if this could be > related... > > > Yes, it's another instance of the same thing. (Though if usetex is > True, we don't have this specific problem, since TeX has always done > this substitution for us and matplotlib doesn't do the hyphen/minus > correction.) > > (If it matters, most of our users would rather have just the regular > negative sign and not embedded Unicode in the axis labels - it looks > wrong to them and makes doing any kind of processing of axis labels > more difficult). > > > I think that's a matter user preference, and perhaps should be exposed > as an rcParam. Personally, it's always bothers me to see TeX-typeset > papers where the math expressions have proper minus signs, but the > plots > use a hyphen. But maybe I'm too bothered by these things... ;) > > As for processing the axis labels, there are far hairier things (such > as > scientific notation) that make processing axis labels as strings in the > general case difficult. If you need their positions as numeric values, > one can simply use get_majorticklocs() and get an array of floats. > > Cheers, > Mike > > Ted > > > > > >> -----Original Message----- > >> From: Michael Droettboom [mailto:[EMAIL PROTECTED] > >> Sent: Tuesday, November 25, 2008 12:25 PM > >> To: Nils Wagner > >> Cc: matplotlib-users@lists.sourceforge.net > >> Subject: Re: [Matplotlib-users] polar > >> > >> It says: > >> > >> "You are using unicode and latex, but have not enabled the > matplotlib > >> 'text.latex.unicode' rcParam." > >> > >> Does setting text.latex.unicode to True resolve the issue? > >> > >> Maybe that message should be made more prominent -- it currently is > >> only > >> displayed when verbose is turned on, but it really is an exception. > >> Maybe that message should be raised, rather than reraising the > original > >> one there. > >> > >> Mike > >> > >> Nils Wagner wrote: > >> > >>> Hi all, > >>> > >>> If I run the attached example I get > >>> > >>> python -i test_polar.py --verbose-helpful > >>> $HOME=/home/nwagner > >>> matplotlib data path /usr/lib/python2.4/site- > packages/matplotlib/mpl- > >>> > >> data > >> > >>> loaded rc file /home/nwagner/matplotlibrc > >>> matplotlib version 0.98.3 > >>> verbose.level helpful > >>> interactive is False > >>> units is False > >>> platform is linux2 > >>> CONFIGDIR=/home/nwagner/.matplotlib > >>> Using fontManager instance from > >>> > >> /home/nwagner/.matplotlib/fontList.cache > >> > >>> backend WXAgg version 2.5.3.1 > >>> findfont: Matching > >>> :family=sans- > >>> > >> > serif:style=normal:variant=normal:weight=normal:stretch=normal:size=med > >> ium > >> > >>> to Bitstream Vera Sans > >>> (/usr/lib/python2.4/site-packages/matplotlib/mpl- > >>> > >> data/fonts/ttf/Vera.ttf) > >> > >>> with score of 1.000000 > >>> Found dvipng version 1.5 > >>> You are using unicode and latex, but have not enabled the > matplotlib > >>> 'text.latex.unicode' rcParam. > >>> Traceback (most recent call last): > >>> File > >>> "/usr/lib/python2.4/site- > packages/matplotlib/backends/backend_wx.py", > >>> line 1121, in _onPaint > >>> self.draw(drawDC=drawDC) > >>> File > >>> "/usr/lib/python2.4/site- > >>> > >> packages/matplotlib/backends/backend_wxagg.py", > >> > >>> line 60, in draw > >>> FigureCanvasAgg.draw(self) > >>> File > >>> "/usr/lib/python2.4/site- > >>> > >> packages/matplotlib/backends/backend_agg.py", > >> > >>> line 283, in draw > >>> self.figure.draw(self.renderer) > >>> File "/usr/lib/python2.4/site-packages/matplotlib/figure.py", > line > >>> 767, in draw > >>> for a in self.axes: a.draw(renderer) > >>> File "/usr/lib/python2.4/site-packages/matplotlib/axes.py", line > >>> 1591, in draw > >>> a.draw(renderer) > >>> File "/usr/lib/python2.4/site-packages/matplotlib/axis.py", line > >>> 710, in draw > >>> tick.draw(renderer) > >>> File "/usr/lib/python2.4/site-packages/matplotlib/axis.py", line > >>> 193, in draw > >>> self.label1.draw(renderer) > >>> File "/usr/lib/python2.4/site-packages/matplotlib/text.py", line > >>> 448, in draw > >>> bbox, info = self._get_layout(renderer) > >>> File "/usr/lib/python2.4/site-packages/matplotlib/text.py", line > >>> 251, in _get_layout > >>> w, h, d = renderer.get_text_width_height_descent( > >>> File > >>> "/usr/lib/python2.4/site- > >>> > >> packages/matplotlib/backends/backend_agg.py", > >> > >>> line 150, in get_text_width_height_descent > >>> Z = texmanager.get_grey(s, size, self.dpi) > >>> File "/usr/lib/python2.4/site-packages/matplotlib/texmanager.py", > >>> line 383, in get_grey > >>> pngfile = self.make_png(tex, fontsize, dpi) > >>> File "/usr/lib/python2.4/site-packages/matplotlib/texmanager.py", > >>> line 312, in make_png > >>> dvifile = self.make_dvi(tex, fontsize) > >>> File "/usr/lib/python2.4/site-packages/matplotlib/texmanager.py", > >>> line 275, in make_dvi > >>> texfile = self.make_tex(tex, fontsize) > >>> File "/usr/lib/python2.4/site-packages/matplotlib/texmanager.py", > >>> line 254, in make_tex > >>> fh.write(s) > >>> UnicodeEncodeError: 'ascii' codec can't encode character u'\xb0' in > >>> position 300: ordinal not in range(128) > >>> You are using unicode and latex, but have not enabled the > matplotlib > >>> 'text.latex.unicode' rcParam. > >>> Traceback (most recent call last): > >>> File > >>> "/usr/lib/python2.4/site- > packages/matplotlib/backends/backend_wx.py", > >>> line 1121, in _onPaint > >>> self.draw(drawDC=drawDC) > >>> File > >>> "/usr/lib/python2.4/site- > >>> > >> packages/matplotlib/backends/backend_wxagg.py", > >> > >>> line 60, in draw > >>> FigureCanvasAgg.draw(self) > >>> File > >>> "/usr/lib/python2.4/site- > >>> > >> packages/matplotlib/backends/backend_agg.py", > >> > >>> line 283, in draw > >>> self.figure.draw(self.renderer) > >>> File "/usr/lib/python2.4/site-packages/matplotlib/figure.py", > line > >>> 767, in draw > >>> for a in self.axes: a.draw(renderer) > >>> File "/usr/lib/python2.4/site-packages/matplotlib/axes.py", line > >>> 1591, in draw > >>> a.draw(renderer) > >>> File "/usr/lib/python2.4/site-packages/matplotlib/axis.py", line > >>> 710, in draw > >>> tick.draw(renderer) > >>> File "/usr/lib/python2.4/site-packages/matplotlib/axis.py", line > >>> 193, in draw > >>> self.label1.draw(renderer) > >>> File "/usr/lib/python2.4/site-packages/matplotlib/text.py", line > >>> 448, in draw > >>> bbox, info = self._get_layout(renderer) > >>> File "/usr/lib/python2.4/site-packages/matplotlib/text.py", line > >>> 251, in _get_layout > >>> w, h, d = renderer.get_text_width_height_descent( > >>> File > >>> "/usr/lib/python2.4/site- > >>> > >> packages/matplotlib/backends/backend_agg.py", > >> > >>> line 150, in get_text_width_height_descent > >>> Z = texmanager.get_grey(s, size, self.dpi) > >>> File "/usr/lib/python2.4/site-packages/matplotlib/texmanager.py", > >>> line 383, in get_grey > >>> pngfile = self.make_png(tex, fontsize, dpi) > >>> File "/usr/lib/python2.4/site-packages/matplotlib/texmanager.py", > >>> line 312, in make_png > >>> dvifile = self.make_dvi(tex, fontsize) > >>> File "/usr/lib/python2.4/site-packages/matplotlib/texmanager.py", > >>> line 275, in make_dvi > >>> texfile = self.make_tex(tex, fontsize) > >>> File "/usr/lib/python2.4/site-packages/matplotlib/texmanager.py", > >>> line 254, in make_tex > >>> fh.write(s) > >>> UnicodeEncodeError: 'ascii' codec can't encode character u'\xb0' in > >>> position 300: ordinal not in range(128) > >>> > >>> Any idea ? > >>> > >>> Nils > >>> > >>> ------------------------------------------------------------------- > -- > >>> > >> --- > >> > >>> ------------------------------------------------------------------- > -- > >>> > >> ---- > >> > >>> This SF.Net email is sponsored by the Moblin Your Move Developer's > >>> > >> challenge > >> > >>> Build the coolest Linux based applications with Moblin SDK & win > >>> > >> great prizes > >> > >>> Grand prize is a trip for two to an Open Source event anywhere in > the > >>> > >> world > >> > >>> http://moblin-contest.org/redirect.php?banner_id=100&url=/ > >>> ------------------------------------------------------------------- > -- > >>> > >> --- > >> > >>> _______________________________________________ > >>> Matplotlib-users mailing list > >>> Matplotlib-users@lists.sourceforge.net > >>> https://lists.sourceforge.net/lists/listinfo/matplotlib-users > >>> > >> -- > >> Michael Droettboom > >> Science Software Branch > >> Operations and Engineering Division > >> Space Telescope Science Institute > >> Operated by AURA for NASA > >> > >> > >> -------------------------------------------------------------------- > --- > >> -- > >> This SF.Net email is sponsored by the Moblin Your Move Developer's > >> challenge > >> Build the coolest Linux based applications with Moblin SDK & win > great > >> prizes > >> Grand prize is a trip for two to an Open Source event anywhere in > the > >> world > >> http://moblin-contest.org/redirect.php?banner_id=100&url=/ > >> _______________________________________________ > >> Matplotlib-users mailing list > >> Matplotlib-users@lists.sourceforge.net > >> https://lists.sourceforge.net/lists/listinfo/matplotlib-users > >> > >> No virus found in this incoming message. > >> Checked by AVG - http://www.avg.com > >> Version: 8.0.175 / Virus Database: 270.9.10/1811 - Release Date: > >> 11/25/2008 8:29 AM > >> > > > > --------------------------------------------------------------------- > ---- > > This SF.Net email is sponsored by the Moblin Your Move Developer's > challenge > > Build the coolest Linux based applications with Moblin SDK & win > great prizes > > Grand prize is a trip for two to an Open Source event anywhere in the > world > > http://moblin-contest.org/redirect.php?banner_id=100&url=/ > > _______________________________________________ > > Matplotlib-users mailing list > > Matplotlib-users@lists.sourceforge.net > > https://lists.sourceforge.net/lists/listinfo/matplotlib-users > > > > -- > Michael Droettboom > Science Software Branch > Operations and Engineering Division > Space Telescope Science Institute > Operated by AURA for NASA > > > No virus found in this incoming message. > Checked by AVG - http://www.avg.com > Version: 8.0.175 / Virus Database: 270.9.10/1811 - Release Date: > 11/25/2008 8:29 AM ------------------------------------------------------------------------- This SF.Net email is sponsored by the Moblin Your Move Developer's challenge Build the coolest Linux based applications with Moblin SDK & win great prizes Grand prize is a trip for two to an Open Source event anywhere in the world http://moblin-contest.org/redirect.php?banner_id=100&url=/ _______________________________________________ Matplotlib-users mailing list Matplotlib-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/matplotlib-users
