FIX: formatting in LogFormatterExponent #5594
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The scale passed to the `pprint_val` method needs to also be scaled by the log so that the range used to format the tick labels matches the actual range of the tick labels (not the underlying values). reported via http://stackoverflow.com/questions/33975758/matplotlib-logformatterexponent-e-in-the-exponent-labels-of-cbar
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Sigh, meant to target this against v2.0.x, oh well. |
tacaswell
modified the milestones:
next major release (2.0),
next bug fix release (2.0.1)
Makes sure that there are never trailing 'e' with no exponent.
Code used to generate the test data to establish bench mark.
First print out is human-readable, second is for testing
import itertools
import matplotlib.ticker as mticker
import numpy as np
domains = sorted([1e-3, 1.5e-2, 1e6, 100, 5, .5])
float_values = sorted([np.pi * (10**i) for i in range(-5, 6)])
int_values = sorted([1 * (10 ** i) for i in range(-5, 6)])
fmt = mticker.LogFormatter()
print()
for d in domains:
print('Domain ', d)
for f in float_values:
print(' {: >10.7f}: {: <10}'.format(f, fmt.pprint_val(f, d)))
for f in int_values:
print(' {: >10g}: {: <10}'.format(f, fmt.pprint_val(f, d)))
print()
print()
print(',\n'.join([' ({v:.10g}, {d!r}, {res!r})'.format(
v=f, d=d, res=fmt.pprint_val(f, d))
for d, f in itertools.product(
domains, float_values + int_values)]))
These are now the results of pprint_val for all of the domains in a human-readable form. |
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👍 |
mdboom
added a commit
that referenced
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Dec 14, 2015
FIX: formatting in LogFormatterExponent
mdboom
added a commit
that referenced
this pull request
Dec 14, 2015
FIX: formatting in LogFormatterExponent
|
Backported to 2.0.x as 7414cf0 |
tacaswell
pushed a commit
to tacaswell/matplotlib
that referenced
this pull request
Dec 19, 2015
…onent FIX: formatting in LogFormatterExponent
|
Backport to v2.x is actually via 5ff7e37. |
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The scale passed to the
pprint_valmethod needs to also bescaled by the log so that the range used to format the tick labels
matches the actual range of the tick labels (not the underlying values).
reported via http://stackoverflow.com/questions/33975758/matplotlib-logformatterexponent-e-in-the-exponent-labels-of-cbar
More coming on
pprint_val