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DOC: entries for the new kwarg and behavior of LogLocator #7153

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Sep 21, 2016
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DOC: entries for the new kwarg and behavior of LogLocator #7153

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10 changes: 10 additions & 0 deletions doc/api/api_changes.rst
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Expand Up @@ -116,6 +116,16 @@ consistently. For example, when both y-axes of a``twinx`` plot use
``matplotlib.ticker.LinearLocator`` with the same number of ticks,
their y-tick locations and grid lines will coincide.

`matplotlib.ticker.LogLocator` gains numticks kwarg
---------------------------------------------------

The maximum number of ticks generated by the
`~matplotlib.ticker.LogLocator` can now be controlled explicitly
via setting the new 'numticks' kwarg to an integer. By default
the kwarg is None which internally sets it to the 'auto' string,
triggering a new algorithm for adjusting the maximum according
to the axis length relative to the ticklabel font size.


New defaults for 3D quiver function in mpl_toolkits.mplot3d.axes3d.py
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11 changes: 11 additions & 0 deletions doc/users/dflt_style_changes.rst
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Expand Up @@ -896,6 +896,17 @@ or create a new `~matplotlib.ticker.MaxNLocator`::
import matplotlib.ticker as mticker
ax.set_major_locator(mticker.MaxNLocator(nbins=9, steps=[1, 2, 5, 10])

For a log-scaled axis the default locator is the
`~matplotlib.ticker.LogLocator`. Previously the maximum number
of ticks was set to 15, and could not be changed. Now there is a
`numticks` kwarg for setting the maximum to any integer value,
to the string 'auto', or to its default value of None which is
equivalent to 'auto'. With the 'auto' setting the maximum number
will be no larger than 9, and will be reduced depending on the
length of the axis in units of the tick font size. As in the
case of the AutoLocator, the heuristic algorithm reduces the
incidence of overlapping tick labels but does not prevent it.


Auto limits
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