add plot moc method

src/lsdb/catalog/dataset/healpix_dataset.py

@@ -428,15 +428,28 @@ def plot_pixels(self, projection: str = "MOL", **kwargs):
         """Create a visual map of the pixel density of the catalog.
 
         Args:
-            projection (str) The map projection to use. Valid values include:
-                - moll - Molleweide projection (default)
-                - gnom - Gnomonic projection
-                - cart - Cartesian projection
-                - orth - Orthographic projection
+            projection (str) The map projection to use. Available projections listed at
+            https://docs.astropy.org/en/stable/wcs/supported_projections.html
             kwargs (dict): additional keyword arguments to pass to plotting call.
         """
         return self.hc_structure.plot_pixels(projection=projection, **kwargs)
 
+    def plot_moc(self, **kwargs):
+        """Create a visual map of the coverage of the catalog.
+
+        Args:
+            kwargs: additional keyword arguments to pass to hats.Catalog.plot_moc
+        """
+        self.hc_structure.plot_moc(**kwargs)
+
+    def plot_coverage(self, **kwargs):
+        """Create a visual map of the coverage of the catalog.
+
+        Args:
+            kwargs: additional keyword arguments to pass to hats.Catalog.plot_moc
+        """
+        self.plot_moc(**kwargs)
+
     def to_hats(
         self,
         base_catalog_path: str | Path | UPath,

tests/lsdb/catalog/test_catalog.py

@@ -1,3 +1,4 @@
+import hipscat as hc
 from pathlib import Path
 
 import dask.array as da
@@ -531,6 +532,30 @@ def test_plot_pixels(small_sky_order1_catalog, mocker):
     )
 
 
+# pylint: disable=no-member
+def test_plot_moc(small_sky_order1_catalog, mocker):
+    mocker.patch("hats.catalog.healpix_dataset.healpix_dataset.plot_moc")
+    small_sky_order1_catalog.plot_moc()
+
+    hc.catalog.healpix_dataset.healpix_dataset.plot_moc.assert_called_once()
+    assert (
+        hc.catalog.healpix_dataset.healpix_dataset.plot_moc.call_args[0][0]
+        == small_sky_order1_catalog.hc_structure.moc
+    )
+
+
+# pylint: disable=no-member
+def test_plot_coverage(small_sky_order1_catalog, mocker):
+    mocker.patch("hats.catalog.healpix_dataset.healpix_dataset.plot_moc")
+    small_sky_order1_catalog.plot_coverage()
+
+    hc.catalog.healpix_dataset.healpix_dataset.plot_moc.assert_called_once()
+    assert (
+        hc.catalog.healpix_dataset.healpix_dataset.plot_moc.call_args[0][0]
+        == small_sky_order1_catalog.hc_structure.moc
+    )
+
+
 def test_square_bracket_columns(small_sky_order1_catalog):
     columns = ["ra", "dec", "id"]
     column_subset = small_sky_order1_catalog[columns]