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Suppress "all-nan slice" warning in ScatterDensityArtist init. #51

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Suppress "all-nan slice" warning in ScatterDensityArtist init. #51

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16 changes: 14 additions & 2 deletions mpl_scatter_density/generic_density_artist.py
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Original file line number Diff line number Diff line change
@@ -1,3 +1,5 @@
import warnings

import numpy as np

from .color import make_cmap
Expand Down Expand Up @@ -49,8 +51,18 @@ class GenericDensityArtist(BaseImageArtist):
def __init__(self, ax, dpi=72, color=None, vmin=None, vmax=None, norm=None,
histogram2d_func=None, update_while_panning=True, **kwargs):

self._density_vmin = np.nanmin
self._density_vmax = np.nanmax
def nanmin(array):
with warnings.catch_warnings():
warnings.simplefilter("ignore", RuntimeWarning)
return np.nanmin(array)

def nanmax(array):
with warnings.catch_warnings():
warnings.simplefilter("ignore", RuntimeWarning)
return np.nanmax(array)

self._density_vmin = nanmin
self._density_vmax = nanmax

super(GenericDensityArtist, self).__init__(ax,
array_func=histogram2d_func,
Expand Down
4 changes: 4 additions & 0 deletions pyproject.toml
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Original file line number Diff line number Diff line change
Expand Up @@ -6,3 +6,7 @@ build-backend = 'setuptools.build_meta'

[tool.setuptools_scm]

[tool.pytest.ini_options]
filterwarnings = [
"error"
]
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