mpl_toolkits.axisartist now skips ticklabels of empty string which have caused problem with some TeX installation

leejjoon · leejjoon · commit 62a22b6ba2c7 · 2010-06-05T18:31:52.000Z
svn path=/trunk/matplotlib/; revision=8382
diff --git a/lib/matplotlib/texmanager.py b/lib/matplotlib/texmanager.py
@@ -577,6 +577,8 @@ def get_text_width_height_descent(self, tex, fontsize, renderer=None):
         """
         return width, heigth and descent of the text.
         """
+        if tex.strip() == '':
+            return 0, 0, 0
 
         if renderer:
             dpi_fraction = renderer.points_to_pixels(1.)
diff --git a/lib/mpl_toolkits/axisartist/axis_artist.py b/lib/mpl_toolkits/axisartist/axis_artist.py
@@ -769,6 +769,7 @@ def draw(self, renderer):
         #self._set_offset_radius(r)
 
         for (x, y), a, l in self._locs_angles_labels:
+            if not l.strip(): continue
             self._set_ref_angle(a) #+ add_angle
             self.set_x(x)
             self.set_y(y)
@@ -811,6 +812,7 @@ def get_texts_widths_heights_descents(self, renderer):
         """
         whd_list = []
         for (x, y), a, l in self._locs_angles_labels:
+            if not l.strip(): continue
             clean_line, ismath = self.is_math_text(l)
             whd = renderer.get_text_width_height_descent(
                 clean_line, self._fontproperties, ismath=ismath)
