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Fix `plot_labels()` colored histogram bug (#6574) 

* Fix `plot_labels()` colored histogram bug

* Cleanup
pull/6578/head
Glenn Jocher 2022-02-08 14:03:50 +01:00 committed by GitHub
parent 22da63e30f
commit f627bc53f8
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1 changed files with 4 additions and 1 deletions
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5
utils/plots.py
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@ -340,7 +340,10 @@ def plot_labels(labels, names=(), save_dir=Path('')):
matplotlib.use('svg') # faster
ax = plt.subplots(2, 2, figsize=(8, 8), tight_layout=True)[1].ravel()
y = ax[0].hist(c, bins=np.linspace(0, nc, nc + 1) - 0.5, rwidth=0.8)
[y[2].patches[i].set_color([x / 255 for x in colors(i)]) for i in range(nc)] # update colors bug #3195
try: # color histogram bars by class
[y[2].patches[i].set_color([x / 255 for x in colors(i)]) for i in range(nc)] # known issue #3195
except Exception:
pass
ax[0].set_ylabel('instances')
if 0 < len(names) < 30:
ax[0].set_xticks(range(len(names)))