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Simplify Axis.get_{major,minor}_ticks. by anntzer · Pull Request #10303 · matplotlib/matplotlib · GitHub

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Simplify Axis.get_{major,minor}_ticks. #10303

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Merged
jklymak merged 1 commit into from
Jan 24, 2018
Conversation 19 Commits 1 Checks 0 Files changed
Merged

Simplify Axis.get_{major,minor}_ticks. #10303

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51 changes: 16 additions & 35 deletions lib/matplotlib/axis.py
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Original file line number Diff line number Diff line change
Expand Up @@ -803,8 +803,6 @@ def reset_ticks(self):

self.majorTicks.extend([self._get_tick(major=True)])
self.minorTicks.extend([self._get_tick(major=False)])
self._lastNumMajorTicks = 1
self._lastNumMinorTicks = 1

try:
self.set_clip_path(self.axes.patch)
Expand Down Expand Up @@ -1362,48 +1360,31 @@ def get_major_ticks(self, numticks=None):
'get the tick instances; grow as necessary'
if numticks is None:
numticks = len(self.get_major_locator()())
if len(self.majorTicks) < numticks:
# update the new tick label properties from the old
for i in range(numticks - len(self.majorTicks)):
tick = self._get_tick(major=True)
self.majorTicks.append(tick)

if self._lastNumMajorTicks < numticks:
protoTick = self.majorTicks[0]
for i in range(self._lastNumMajorTicks, len(self.majorTicks)):
tick = self.majorTicks[i]
if self._gridOnMajor:
tick.gridOn = True
self._copy_tick_props(protoTick, tick)

self._lastNumMajorTicks = numticks
ticks = self.majorTicks[:numticks]
while len(self.majorTicks) < numticks:

jklymak Jan 23, 2018

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Choose a reason Spam Abuse Off Topic Outdated Duplicate Resolved Low Quality

Did we decide that the _lastNumMajorTicks logic wasn't needed? What did all that do and why can we remove it? Certainly your change is simpler, but it seems most of the un-simpleness in the old code was because of the _lastNumMajorTicks logic.

anntzer Jan 23, 2018 •
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Choose a reason Spam Abuse Off Topic Outdated Duplicate Resolved Low Quality

It's private, unused anywhere else, and, to the best of my understanding, this implementation does the same thing...
It was introduced in 08610fc and never touched since.
# update the new tick label properties from the old
tick = self._get_tick(major=True)
self.majorTicks.append(tick)
if self._gridOnMajor:
tick.gridOn = True
self._copy_tick_props(self.majorTicks[0], tick)

return ticks
return self.majorTicks[:numticks]

def get_minor_ticks(self, numticks=None):
'get the minor tick instances; grow as necessary'
if numticks is None:
numticks = len(self.get_minor_locator()())

if len(self.minorTicks) < numticks:
while len(self.minorTicks) < numticks:
# update the new tick label properties from the old
for i in range(numticks - len(self.minorTicks)):
tick = self._get_tick(major=False)
self.minorTicks.append(tick)

if self._lastNumMinorTicks < numticks:
protoTick = self.minorTicks[0]
for i in range(self._lastNumMinorTicks, len(self.minorTicks)):
tick = self.minorTicks[i]
if self._gridOnMinor:
tick.gridOn = True
self._copy_tick_props(protoTick, tick)

self._lastNumMinorTicks = numticks
ticks = self.minorTicks[:numticks]

return ticks
tick = self._get_tick(major=False)
self.minorTicks.append(tick)
if self._gridOnMinor:
tick.gridOn = True
self._copy_tick_props(self.minorTicks[0], tick)

return self.minorTicks[:numticks]

def grid(self, b=None, which='major', **kwargs):
"""
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