10000 Fix Angstrom issues. · matplotlib/matplotlib@41e6c29 · GitHub
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Fix Angstrom issues.
Add support for \mathring. Make \AA symbol match LaTeX.
1 parent 6e3471d commit 41e6c29

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3 files changed

+12
-7
lines changed

3 files changed

+12
-7
lines changed

‎lib/matplotlib/_mathtext_data.py

Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -2281,7 +2281,7 @@
22812281
'obar' : 9021,
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'supseteq' : 8839,
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'nu' : 957,
2284-
'AA' : 8491,
2284+
'AA' : 197,
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'AE' : 198,
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'models' : 8871,
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'ominus' : 8854,

‎lib/matplotlib/mathtext.py

Lines changed: 9 additions & 5 deletions
Original file line numberDiff line numberDiff line change
@@ -2475,7 +2475,7 @@ def unknown_symbol(self, s, loc, toks):
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# The first 2 entires in the tuple are (font, char, sizescale) for
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# the two symbols under and over. The third element is the space
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# (in multiples of underline height)
2478-
r'AA' : ( ('rm', 'A', 1.0), (None, '\circ', 0.5), 0.0),
2478+
r'AA' : ( ('it', 'A', 1.0), (None, '\circ', 0.5), 0.0),
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}
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24812481
def c_over_c(self, s, loc, toks):
@@ -2532,7 +2532,8 @@ def c_over_c(self, s, loc, toks):
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r'.' : r'\combiningdotabove',
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r'^' : r'\circumflexaccent',
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r'overrightarrow' : r'\rightarrow',
2535-
r'overleftarrow' : r'\leftarrow'
2535+
r'overleftarrow' : r'\leftarrow',
2536+
r'mathring' : r'\circ'
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}
25372538

25382539
_wide_accents = set(r"widehat widetilde widebar".split())
@@ -2546,11 +2547,14 @@ def accent(self, s, loc, toks):
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raise ParseFatalException("Error parsing accent")
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accent, sym = toks[0]
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if accent in self._wide_accents:
2549-
accent = AutoWidthChar(
2550+
accent_box = AutoWidthChar(
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'\\' + accent, sym.width, state, char_class=Accent)
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else:
2552-
accent = Accent(self._accent_map[accent], state)
2553-
centered = HCentered([accent])
2553+
accent_box = Accent(self._accent_map[accent], state)
2554+
if accent == 'mathring':
2555+
accent_box.shrink()
2556+
accent_box.shrink()
2557+
centered = HCentered([Hbox(sym.width / 4.0), accent_box])
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centered.hpack(sym.width, 'exactly')
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return Vlist([
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centered,

‎lib/matplotlib/tests/test_mathtext.py

Lines changed: 2 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -93,7 +93,8 @@
9393
r"$? ! &$", # github issue #466
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r'$\operatorname{cos} x$', # github issue #553
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r'$\sum _{\genfrac{}{}{0}{}{0\leq i\leq m}{0<j<n}}P\left(i,j\right)$',
96-
r"$\left\Vert a \right\Vert \left\vert b \right\vert \left| a \right| \left\| b\right\| \Vert a \Vert \vert b \vert$"
96+
r"$\left\Vert a \right\Vert \left\vert b \right\vert \left| a \right| \left\| b\right\| \Vert a \Vert \vert b \vert$",
97+
r'$\mathring{A} \stackrel{\circ}{A} \AA$'
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]
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99100
digits = "0123456789"

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