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[BUG] Healpix Map Spatial Queries near Rank Bounadaries #160

Description

@AstroPatty

Describe the bug
Healpix map spatial queries result in bad writes when one or more ranks did a query near its boundary. The end result is that the set of valid pixels is not the same in the written dataset, even after accounting for re-partitoning.

To Reproduce
There is a known failing case in test/parallel/test_healpixmap_mpi.py::test_healpix_write
Expected behavior
Healpix maps should warn users if they are doing a query that does not fully overlap with the map, but writing should still proceed correctly.

Desktop (please complete the following information):

  • OS: Any
  • Python Version: Any
  • Using MPI? yes

Activity

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