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slow_update #549

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40 changes: 35 additions & 5 deletions lib/matplotlib/axis.py
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Original file line number Diff line number Diff line change
Expand Up @@ -641,6 +641,8 @@ def __init__(self, axes, pickradius=15):
self._major_tick_kw = dict()
self._minor_tick_kw = dict()

self._reset_tick_cache()

self.cla()
self.set_scale('linear')

Expand Down Expand Up @@ -741,6 +743,12 @@ def reset_ticks(self):
self._lastNumMajorTicks = 1
self._lastNumMinorTicks = 1

self._reset_tick_cache()

def _reset_tick_cache(self):
self._last_interval = None
self._last_ticks_to_draw = None

def set_tick_params(self, which='major', reset=False, **kw):
"""
Set appearance parameters for ticks and ticklabels.
Expand All @@ -767,6 +775,7 @@ def set_tick_params(self, which='major', reset=False, **kw):
if which == 'minor' or which == 'both':
for tick in self.minorTicks:
tick._apply_params(**self._minor_tick_kw)
self._reset_tick_cache()

@staticmethod
def _translate_tick_kw(kw, to_init_kw=True):
Expand Down Expand Up @@ -910,6 +919,7 @@ def get_ticklabel_extents(self, renderer):
def set_smart_bounds(self,value):
"""set the axis to have smart bounds"""
self._smart_bounds = value
self._reset_tick_cache()

def get_smart_bounds(self):
"""get whether the axis has smart bounds"""
Expand All @@ -921,12 +931,18 @@ def _update_ticks(self, renderer):
interval of the axes. Returns a list of ticks that will be
drawn.
"""
view_interval = self.get_view_interval()
axis_interval = self.get_axis_interval()
if (self._last_interval is not None and
np.all(self._last_interval[0] == view_interval) and
np.all(self._last_interval[1] == axis_interval)):
return self._last_ticks_to_draw
self._last_interval = (view_interval.copy(), axis_interval.copy())

interval = self.get_view_interval()
tick_tups = [ t for t in self.iter_ticks()]
tick_tups = list(self.iter_ticks())
if self._smart_bounds:
# handle inverted limits
view_low, view_high = min(*interval), max(*interval)
view_low, view_high = min(*view_interval), max(*view_interval)
data_low, data_high = self.get_data_interval()
if data_low > data_high:
data_low, data_high = data_high, data_low
Expand Down Expand Up @@ -966,12 +982,14 @@ def _update_ticks(self, renderer):
ticks_to_draw = []
for tick, loc, label in tick_tups:
if tick is None: continue
if not mtransforms.interval_contains(interval, loc): continue
if not mtransforms.interval_contains(view_interval, loc): continue
tick.update_position(loc)
tick.set_label1(label)
tick.set_label2(label)
ticks_to_draw.append(tick)

self._last_ticks_to_draw = ticks_to_draw

return ticks_to_draw

def _get_tick_bboxes(self, ticks, renderer):
Expand Down Expand Up @@ -1434,6 +1452,8 @@ def set_ticklabels(self, ticklabels, *args, **kwargs):

ACCEPTS: sequence of strings
"""
self._reset_tick_cache()

#ticklabels = [str(l) for l in ticklabels]
minor = kwargs.pop('minor', False)
if minor:
Expand Down Expand Up @@ -1463,6 +1483,8 @@ def set_ticks(self, ticks, minor=False):

ACCEPTS: sequence of floats
"""
self._reset_tick_cache()

### XXX if the user changes units, the information will be lost here
ticks = self.convert_units(ticks)
if len(ticks) > 1:
Expand Down Expand Up @@ -1730,6 +1752,8 @@ def set_view_interval(self, vmin, vmax, ignore=False):
:meth:`~matplotlib.axes.Axes.set_xlim`.

"""
self._reset_tick_cache()

if ignore:
self.axes.viewLim.intervalx = vmin, vmax
else:
Expand Down Expand Up @@ -1774,7 +1798,8 @@ def set_default_intervals(self):
if not viewMutated:
self.axes.viewLim.intervalx = xmin, xmax


def get_axis_interval(self):
return self.axes.bbox.intervalx

class YAxis(Axis):
__name__ = 'yaxis'
Expand Down Expand Up @@ -1996,6 +2021,8 @@ def set_view_interval(self, vmin, vmax, ignore=False):
:meth:`~matplotlib.axes.Axes.set_ylim`.

"""
self._reset_tick_cache()

if ignore:
self.axes.viewLim.intervaly = vmin, vmax
else:
Expand Down Expand Up @@ -2038,3 +2065,6 @@ def set_default_intervals(self):
self.axes.dataLim.intervaly = ymin, ymax
if not viewMutated:
self.axes.viewLim.intervaly = ymin, ymax

def get_axis_interval(self):
return self.axes.bbox.intervaly