8000 [RFC] Speed up Axes.bar by ivirshup · Pull Request #20092 · matplotlib/matplotlib · GitHub
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[RFC] Speed up Axes.bar #20092

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[RFC] Speed up Axes.bar #20092

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07bc4aa
use patch collection in Axes.bar
ivirshup Apr 27, 2021
074fa4e
Fix colors
ivirshup Apr 27, 2021
773d41f
Cleaner color fix
ivirshup Apr 27, 2021
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4 changes: 3 additions & 1 deletion lib/matplotlib/axes/_axes.py
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Original file line number Diff line number Diff line change
Expand Up @@ -35,6 +35,7 @@
_AxesBase, _TransformedBoundsLocator, _process_plot_format)
from matplotlib.axes._secondary_axes import SecondaryAxis
from matplotlib.container import BarContainer, ErrorbarContainer, StemContainer
from matplotlib.collections import PatchCollection

_log = logging.getLogger(__name__)

Expand Down Expand Up @@ -2369,9 +2370,10 @@ def bar(self, x, height, width=0.8, bottom=None, *, align="center",
r.sticky_edges.y.append(b)
elif orientation == 'horizontal':
r.sticky_edges.x.append(l)
self.add_patch(r)
patches.append(r)

self.add_collection(PatchCollection(patches))

if xerr is not None or yerr is not None:
if orientation == 'vertical':
# using list comps rather than arrays to preserve unit info
Expand Down
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