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Port view downsampling handler to new update apis

pre_flow
Tyler Goodlet 2022-04-14 10:10:38 -04:00
parent cedddb83e4
commit d4e1464b66
1 changed files with 51 additions and 38 deletions
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89
piker/ui/_interaction.py
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@ -492,9 +492,9 @@ class ChartView(ViewBox):
log.debug("Max zoom bruh...")
return
if ev.delta() < 0 and vl >= len(chart._arrays[chart.name]) + 666:
log.debug("Min zoom bruh...")
return
# if ev.delta() < 0 and vl >= len(chart._flows[chart.name].shm.array) + 666:
# log.debug("Min zoom bruh...")
# return
# actual scaling factor
s = 1.015 ** (ev.delta() * -1 / 20) # self.state['wheelScaleFactor'])
@ -777,9 +777,15 @@ class ChartView(ViewBox):
# calculate max, min y values in viewable x-range from data.
# Make sure min bars/datums on screen is adhered.
else:
br = bars_range or chart.bars_range()
profiler(f'got bars range: {br}')
# else:
# TODO: eventually we should point to the
# ``FlowsTable`` (or wtv) which should perform
# the group operations?
# flow = chart._flows[name or chart.name]
# br = bars_range or chart.bars_range()
# br = bars_range or chart.bars_range()
# profiler(f'got bars range: {br}')
# TODO: maybe should be a method on the
# chart widget/item?
@ -830,6 +836,8 @@ class ChartView(ViewBox):
self.setYRange(ylow, yhigh)
profiler(f'set limits: {(ylow, yhigh)}')
profiler.finish()
def enable_auto_yrange(
self,
src_vb: Optional[ChartView] = None,
@ -890,7 +898,7 @@ class ChartView(ViewBox):
graphics items which are our children.
'''
graphics = list(self._chart._graphics.values())
graphics = [f.graphics for f in self._chart._flows.values()]
if not graphics:
return 0
@ -903,44 +911,49 @@ class ChartView(ViewBox):
def maybe_downsample_graphics(self):
profiler = pg.debug.Profiler(
disabled=not pg_profile_enabled(),
gt=3,
)
uppx = self.x_uppx()
if (
if not (
# we probably want to drop this once we are "drawing in
# view" for downsampled flows..
uppx and uppx > 16
and self._ic is not None
):
# TODO: a faster single-loop-iterator way of doing this XD
chart = self._chart
linked = self.linkedsplits
plots = linked.subplots | {chart.name: chart}
for chart_name, chart in plots.items():
for name, flow in chart._flows.items():
if not flow.render:
continue
graphics = flow.graphics
use_vr = False
if isinstance(graphics, BarItems):
use_vr = True
# pass in no array which will read and render from the last
# passed array (normally provided by the display loop.)
chart.update_graphics_from_flow(
name,
use_vr=use_vr,
# gets passed down into graphics obj
profiler=profiler,
)
profiler(f'range change updated {chart_name}:{name}')
else:
# don't bother updating since we're zoomed out bigly and
# in a pan-interaction, in which case we shouldn't be
# doing view-range based rendering (at least not yet).
# print(f'{uppx} exiting early!')
return
profiler = pg.debug.Profiler(
disabled=not pg_profile_enabled(),
gt=3,
delayed=True,
)
# TODO: a faster single-loop-iterator way of doing this XD
chart = self._chart
linked = self.linkedsplits
plots = linked.subplots | {chart.name: chart}
for chart_name, chart in plots.items():
for name, flow in chart._flows.items():
graphics = flow.graphics
use_vr = False
if isinstance(graphics, BarItems):
use_vr = True
# pass in no array which will read and render from the last
# passed array (normally provided by the display loop.)
chart.update_graphics_from_array(
name,
use_vr=use_vr,
profiler=profiler,
)
profiler(f'range change updated {chart_name}:{name}')
profiler.finish()
profiler(f'dowsampling skipped - not in uppx range {uppx} <= 16')