Optional dependency for older healpy fits files.

pyproject.toml

@@ -42,6 +42,7 @@ full = [
     "fsspec[full]", # complete file system specs.
     "ipykernel", # Support for Jupyter notebooks
     "ipywidgets", # useful for tqdm in notebooks.
+    "healpy", # used only in hipscat conversion
 ]
 
 [build-system]

src/hats_import/hipscat_conversion/run_conversion.py

@@ -4,7 +4,7 @@
 import tempfile
 from typing import no_type_check
 
-import hats.pixel_math.healpix_shim as hp
+import healpy as hp
 import numpy as np
 import pyarrow.parquet as pq
 from dask.distributed import as_completed, get_worker
@@ -170,10 +170,4 @@ def _write_nested_fits_map(input_dir, output_dir):
             else:
                 map_fits_image = map_fits_image[0]
 
-    output_file = output_dir / "point_map.fits"
-    with tempfile.NamedTemporaryFile() as _tmp_file:
-        with output_file.open("wb") as _map_file:
-            hp.write_map(
-                _tmp_file.name, map_fits_image, overwrite=True, dtype=np.int32, nest=True, coord="CEL"
-            )
-            _map_file.write(_tmp_file.read())
+    file_io.write_fits_image(map_fits_image, output_dir / "point_map.fits")

src/hats_import/soap/resume_plan.py

@@ -6,9 +6,8 @@
 from typing import List, Optional, Tuple
 
 import hats.pixel_math.healpix_shim as hp
-from hats import pixel_math
 import numpy as np
-from hats import read_hats
+from hats import pixel_math, read_hats
 from hats.catalog import Catalog
 from hats.io import file_io
 from hats.pixel_math.healpix_pixel import HealpixPixel