Actually, I have other problems : I cannot save in many formats. The bmp is
deemed usueless by gimp, and ps and eps save options gives the following
error message (I am using matplotlib-0.90 on python/ipython 2.4) :
In [1]: show()
---------------------------------------------------------------------------
exceptions.ValueError Traceback (most recent
call last)
/usr/lib/python2.4/site-packages/matplotlib/backends/backend_gtk.py in
save_figu re(self, button)
630 fname = self.fileselect.get_filename_from_user()
631 if fname:
--> 632 self.canvas.print_figure(fname)
633
634 def configure_subplots(self, button):
/usr/lib/python2.4/site-packages/matplotlib/backends/backend_gtkagg.py in
print_ figure(self, filename, dpi, facecolor, edgecolor, orientation,
**kwargs)
112 try:
113 agg.print_figure(filename, dpi, facecolor,
edgecolor,
--> 114 orientation, **kwargs)
115 except IOError, msg:
116 error_msg_gtk('Failed to save\nError message:
%s'%(msg,) , self)
/usr/lib/python2.4/site-packages/matplotlib/backends/backend_agg.py in
print_fig ure(self, filename, dpi, facecolor, edgecolor, orientation,
**kwargs)
486 ps = self.switch_backends(FigureCanvasPS)
487 ps.print_figure(filename, dpi, facecolor, edgecolor,
--> 488 orientation, **kwargs)
489 elif ext.find('pdf')>=0:
490 from backend_pdf import FigureCanvasPdf
/usr/lib/python2.4/site-packages/matplotlib/backends/backend_ps.py in
print_figu re(self, outfile, dpi, facecolor, edgecolor, orientation,
papertype)
1073 self._pswriter = StringIO()
1074 renderer = RendererPS(width, height, self._pswriter,
dpi=dpi )
-> 1075 self.figure.draw(renderer)
1076
1077 self.figure.set_facecolor(origfacecolor)
/usr/lib/python2.4/site-packages/matplotlib/figure.py in draw(self,
renderer)
567
568 # render the axes
--> 569 for a in self.axes: a.draw(renderer)
570
571 # render the figure text
/usr/lib/python2.4/site-packages/matplotlib/axes.py in draw(self, renderer,
infr ame)
1153
1154 for zorder, i, a in dsu:
-> 1155 a.draw(renderer)
1156
1157 self.transData.thaw() # release the lazy objects
/usr/lib/python2.4/site-packages/matplotlib/axis.py in draw(self, renderer,
*arg s, **kwargs)
623 # the actual bbox
624 self._update_label_position(ticklabelBoxes, ticklabelBoxes2)
--> 625 self.label.draw(renderer)
626
627 self._update_offset_text_position(ticklabelBoxes,
ticklabelBoxes 2)
/usr/lib/python2.4/site-packages/matplotlib/text.py in draw(self, renderer)
398
399 return
--> 400 bbox, info = self._get_layout(renderer)
401 trans = self.get_transform()
402 if ismath=='TeX':
/usr/lib/python2.4/site-packages/matplotlib/text.py in _get_layout(self,
rendere r)
243 heightt += 3 # 3 pixel pad
244 for line in lines:
--> 245 w,h = renderer.get_text_width_height(
246 line, self._fontproperties, ismath=self.is_math_text
())
247
/usr/lib/python2.4/site-packages/matplotlib/backends/backend_ps.py in
get_text_w idth_height(self, s, prop, ismath)
264
265 if ismath:
--> 266 width, height, pswriter = math_parse_s_ps(
267 s, 72, prop.get_size_in_points())
268 return width, height
/usr/lib/python2.4/site-packages/matplotlib/mathtext.py in __call__(self, s,
dpi , fontsize, angle)
1581 expression.parseString( s )
1582
-> 1583 handler.expr.set_size_info(fontsize, dpi)
1584
1585 # set the origin once to allow w, h compution
/usr/lib/python2.4/site-packages/matplotlib/mathtext.py in
set_size_info(self, f ontsize, dpi)
1197
1198 def set_size_info(self, fontsize, dpi):
-> 1199 self.elements[0].set_size_info(self._scale*fontsize, dpi)
1200 Element.set_size_info(self, fontsize, dpi)
1201 #print 'set size'
/usr/lib/python2.4/site-packages/matplotlib/mathtext.py in
set_size_info(self, f ontsize, dpi)
1108
1109 def set_size_info(self, fontsize, dpi):
-> 1110 Element.set_size_info(self, fontsize, dpi)
1111 self.metrics = Element.fonts.get_metrics(
1112 self.font, self.sym, self.fontsize, dpi)
/usr/lib/python2.4/site-packages/matplotlib/mathtext.py in
set_size_info(self, f ontsize, dpi)
1021 element.set_size_info(0.7*self.fontsize, dpi)
1022 else:
-> 1023 element.set_size_info(self.fontsize, dpi)
1024
1025 def pady(self):
/usr/lib/python2.4/site-packages/matplotlib/mathtext.py in
set_size_info(self, f ontsize, dpi)
1108
1109 def set_size_info(self, fontsize, dpi):
-> 1110 Element.set_size_info(self, fontsize, dpi)
1111 self.metrics = Element.fonts.get_metrics(
1112 self.font, self.sym, self.fontsize, dpi)
/usr/lib/python2.4/site-packages/matplotlib/mathtext.py in
set_size_info(self, f ontsize, dpi)
1021 element.set_size_info(0.7*self.fontsize, dpi)
1022 else:
-> 1023 element.set_size_info(self.fontsize, dpi)
1024
1025 def pady(self):
/usr/lib/python2.4/site-packages/matplotlib/mathtext.py in
set_size_info(self, f ontsize, dpi)
1108
1109 def set_size_info(self, fontsize, dpi):
-> 1110 Element.set_size_info(self, fontsize, dpi)
1111 self.metrics = Element.fonts.get_metrics(
1112 self.font, self.sym, self.fontsize, dpi)
/usr/lib/python2.4/site-packages/matplotlib/mathtext.py in
set_size_info(self, f ontsize, dpi)
1021 element.set_size_info(0.7*self.fontsize, dpi)
1022 else:
-> 1023 element.set_size_info(self.fontsize, dpi)
1024
1025 def pady(self):
/usr/lib/python2.4/site-packages/matplotlib/mathtext.py in
set_size_info(self, f ontsize, dpi)
1108
1109 def set_size_info(self, fontsize, dpi):
-> 1110 Element.set_size_info(self, fontsize, dpi)
1111 self.metrics = Element.fonts.get_metrics(
1112 self.font, self.sym, self.fontsize, dpi)
/usr/lib/python2.4/site-packages/matplotlib/mathtext.py in
set_size_info(self, f ontsize, dpi)
1021 element.set_size_info(0.7*self.fontsize, dpi)
1022 else:
-> 1023 element.set_size_info(self.fontsize, dpi)
1024
1025 def pady(self):
/usr/lib/python2.4/site-packages/matplotlib/mathtext.py in
set_size_info(self, f ontsize, dpi)
1108
1109 def set_size_info(self, fontsize, dpi):
-> 1110 Element.set_size_info(self, fontsize, dpi)
1111 self.metrics = Element.fonts.get_metrics(
1112 self.font, self.sym, self.fontsize, dpi)
/usr/lib/python2.4/site-packages/matplotlib/mathtext.py in
set_size_info(self, f ontsize, dpi)
1021 element.set_size_info(0.7*self.fontsize, dpi)
1022 else:
-> 1023 element.set_size_info(self.fontsize, dpi)
1024
1025 def pady(self):
/usr/lib/python2.4/site-packages/matplotlib/mathtext.py in
set_size_info(self, f ontsize, dpi)
1197
1198 def set_size_info(self, fontsize, dpi):
-> 1199 self.elements[0].set_size_info(self._scale*fontsize, dpi)
1200 Element.set_size_info(self, fontsize, dpi)
1201 #print 'set size'
/usr/lib/python2.4/site-packages/matplotlib/mathtext.py in
set_size_info(self, f ontsize, dpi)
1108
1109 def set_size_info(self, fontsize, dpi):
-> 1110 Element.set_size_info(self, fontsize, dpi)
1111 self.metrics = Element.fonts.get_metrics(
1112 self.font, self.sym, self.fontsize, dpi)
/usr/lib/python2.4/site-packages/matplotlib/mathtext.py in
set_size_info(self, f ontsize, dpi)
1021 element.set_size_info(0.7*self.fontsize, dpi)
1022 else:
-> 1023 element.set_size_info(self.fontsize, dpi)
1024
1025 def pady(self):
/usr/lib/python2.4/site-packages/matplotlib/mathtext.py in
set_size_info(self, f ontsize, dpi)
1109 def set_size_info(self, fontsize, dpi):
1110 Element.set_size_info(self, fontsize, dpi)
-> 1111 self.metrics = Element.fonts.get_metrics(
1112 self.font, self.sym, self.fontsize, dpi)
1113
/usr/lib/python2.4/site-packages/matplotlib/mathtext.py in get_metrics(self,
fon t, sym, fontsize, dpi)
799
800 def get_metrics(self, font, sym, fontsize, dpi):
--> 801 basename, metrics, sym, offset = \
802 self._get_info(font, sym, fontsize, dpi)
803 return metrics
/usr/lib/python2.4/site-packages/matplotlib/mathtext.py in _get_info(self,
font, sym, fontsize, dpi)
748 num = 0
749 sym = '.notdef'
--> 750 raise ValueError('unrecognized symbol "%s, %d"' % (sym,
num) )
751 filename = os.path.join(self.basepath, basename) + '.ttf'
752 if filename not in bakoma_fonts:
ValueError: unrecognized symbol ".notdef, 0"
On 3/7/07, johann cohen-tanugi <[EMAIL PROTECTED]> wrote:
Hello,
I am attaching my python script to this email. It makes three figures, and
everything is fine (I started with matplotlib a couple of weeks ago and so
far I love it!),
but for the way \tilde is dealt with, which seems to be a bug :
If I do r'$A\tilde{B}$' the tilde is actually on the A !! If instead I do
(like in the attached script) r'$AB\tilde$' then the tilde is on the B, but
looks pretty ugly.
Is there a quick fix? Do I need to choose another font?
thanks for your help,
Johann
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