enable netcdf outputs in 3d model

Currently only 2d fields can be exported

Author: tkarna

thetis/options.py

@@ -525,6 +525,10 @@ class CommonModelOptions(FrozenConfigurable):
         trait=Unicode(),
         default_value=[],
         help="Fields to export in HDF5 format").tag(config=True)
+    fields_to_export_netcdf = List(
+        trait=Unicode(),
+        default_value=[],
+        help="Fields to export in NetCDF format").tag(config=True)
     verbose = Integer(0, help="Verbosity level").tag(config=True)
     linear_drag_coefficient = FiredrakeScalarExpression(
         None, allow_none=True, help=r"""
@@ -743,10 +747,6 @@ class ModelOptions2d(CommonModelOptions):
         2D solver supports 'dg' or 'cg'.""").tag(config=True)
     use_supg_tracer = Bool(
         False, help="Use SUPG stabilisation in tracer advection").tag(config=True)
-    fields_to_export_netcdf = List(
-        trait=Unicode(),
-        default_value=[],
-        help="Fields to export in NetCDF format").tag(config=True)
 
     def __init__(self, *args, **kwargs):
         self.tracer = OrderedDict()

thetis/solver.py

@@ -887,6 +887,15 @@ def create_exporters(self):
                                        verbose=self.options.verbose > 0,
                                        preproc_funcs=self._field_preproc_funcs)
             self.exporters['hdf5'] = e
+            nc_dir = os.path.join(self.options.output_directory, 'nc')
+            e = exporter.ExportManager(nc_dir,
+                                       self.options.fields_to_export_netcdf,
+                                       self.fields,
+                                       field_metadata,
+                                       export_type='netcdf',
+                                       verbose=self.options.verbose > 0,
+                                       preproc_funcs=self._field_preproc_funcs)
+            self.exporters['netcdf'] = e
 
         self._isfrozen = True