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Remove method arc_alpha #1825

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Remove method arc_alpha #1825

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10 changes: 0 additions & 10 deletions src/weathergen/datasets/tokenizer_utils.py
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Original file line number Diff line number Diff line change
Expand Up @@ -17,16 +17,6 @@
numpy_argsort_args = {"stable": True} if int(np.__version__.split(".")[0]) >= 2 else {}


def arc_alpha(sin_alpha, cos_alpha):
"""Maps a point on the unit circle (np.array or torch.tensor), defined by its (cosine, sine)
coordinates to its spherical coordinate in [0,2pi)
"""
t = torch.arccos(cos_alpha)
mask = sin_alpha < 0.0
t[mask] = (2.0 * np.pi) - t[mask]
return t


def theta_phi_to_standard_coords(coords):
thetas = ((90.0 - coords[:, 0]) / 180.0) * np.pi
phis = ((coords[:, 1] + 180.0) / 360.0) * 2.0 * np.pi
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9 changes: 0 additions & 9 deletions src/weathergen/datasets/utils.py
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Original file line number Diff line number Diff line change
Expand Up @@ -16,15 +16,6 @@
from weathergen.datasets.batch import BatchSamples


####################################################################################################
def arc_alpha(sin_alpha, cos_alpha):
"""Invert cosine/sine for alpha in [0,2pi] using both functions"""
t = torch.arccos(cos_alpha)
mask = sin_alpha < 0.0
t[mask] = (2.0 * np.pi) - t[mask]
return t


####################################################################################################
def vecs_to_rots(vecs):
"""
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