Fix minor bugs in tides test case

   - Adds remap topography step to tides case to update cull_mesh
     behavior

Author: cblakely97

compass/ocean/tests/tides/mesh/__init__.py

@@ -60,7 +60,7 @@ def __init__(self, test_group, mesh_name):
 
         self.add_step(CullMeshStep(
             test_case=self, base_mesh_step=base_mesh_step,
-            with_ice_shelf_cavities=True, remap_topography=remap_step))
+            with_ice_shelf_cavities=True, unsmoothed_topo=remap_step))
 
     def configure(self):
         """

compass/ocean/tests/tides/mesh/icos7/icos7.cfg

@@ -1,6 +1,12 @@
 # options for spherical meshes
 [spherical_mesh]
 
+latitude_threshold = 43.0
+
+sweep_count = 20
+
+convert_culled_mesh_to_cdf5 = False
+
 ## config options related to the step for culling land from the mesh
 # number of cores to use
 cull_mesh_cpus_per_task = 18
@@ -58,32 +64,27 @@ tpxo_version = TPXO9
 # constituents to validate
 constituents = k1, k2, m2, n2, o1, p1, q1, s2
 
-
 # config options related to remapping topography to an MPAS-Ocean mesh
 [remap_topography]
 
 # the name of the topography file in the bathymetry database
-topo_filename = BedMachineAntarctica_v3_and_GEBCO_2023_0.0125_degree_20240828.nc
-
-# variable names in topo_filename
-lon_var = lon
-lat_var = lat
-bathymetry_var = bathymetry
-ice_thickness_var = thickness
-ice_frac_var = ice_mask
-grounded_ice_frac_var = grounded_mask
-ocean_frac_var = ocean_mask
-bathy_frac_var = bathymetry_mask
+topo_filename = BedMachineAntarctica-v3_GEBCO_2023_ne3000_20250110.nc
+src_scrip_filename = ne3000_20250110.scrip.nc
+
+# weight generator function:
+#    `tempest` for cubed-sphere bathy or `esmf` for latlon bathy
+weight_generator = tempest
 
 # the description to include in metadata
 description = Bathymetry is from GEBCO 2023, combined with BedMachine
               Antarctica v3 around Antarctica.
 
 # the target and minimum number of MPI tasks to use in remapping
-ntasks = 4096
-min_tasks = 360
+ntasks = 1280
+min_tasks = 256
 
 # remapping method {'bilinear', 'neareststod', 'conserve'}
+# must use 'conserve' for tempestremap
 method = conserve
 
 # threshold of what fraction of an MPAS cell must contain ocean in order to
@@ -92,3 +93,10 @@ renorm_threshold = 0.01
 
 # the density of land ice from MALI (kg/m^3)
 ice_density = 910.0
+
+# smoothing parameters
+# no smoothing (required for esmf):
+#     expandDist = 0   [m]
+#     expandFactor = 1 [cell fraction]
+expandDist = 0
+expandFactor = 1