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Fix HEALPix unit conversion at load time #795

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merged 2 commits into from
Oct 29, 2024
Merged

Fix HEALPix unit conversion at load time #795

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a5f13c7
Fix HEALPix unit conversion at load time
keskitalo Oct 28, 2024
4c058c6
Fix another place where unit conversion might have failed
keskitalo Oct 28, 2024
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14 changes: 5 additions & 9 deletions src/toast/pixels_io_healpix.py
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Original file line number Diff line number Diff line change
@@ -1,4 +1,4 @@
# Copyright (c) 2015-2021 by the parties listed in the AUTHORS file.
# Copyright (c) 2015-2024 by the parties listed in the AUTHORS file.
# All rights reserved. Use of this source code is governed by
# a BSD-style license that can be found in the LICENSE file.

Expand Down Expand Up @@ -77,18 +77,14 @@ def read_healpix_fits(pix, path, nest=True, comm_bytes=10000000):
funits = pix.units
if funits != pix.units:
scale = 1.0 * funits
scale.to(pix.units)
fscale = scale.value
fscale = scale.to_value(pix.units)

if nside_map != nside:
errors += "Wrong NSide: {} has {}, expected {}\n" "".format(
path, nside_map, nside
)
errors += f"Wrong NSide: {path} has {nside_map}, expected {nside}\n"
map_nnz = h[1].header["tfields"]
if map_nnz != pix.n_value:
errors += "Wrong number of columns: {} has {}, expected {}\n" "".format(
path, map_nnz, pix.n_value
)
errors += f"Wrong number of columns: {path} has {map_nnz}, "
errors += f"expected {pix.n_value}\n"
h.close()
if len(errors) != 0:
raise RuntimeError(errors)
Expand Down