Exemplo n.º 1
0
    def test_system_spatial_subsetting(self):
        """Test spatial subsetting ESMF Unstructured format."""

        bbox = shapely.geometry.box(*[-119.2, 61.7, -113.2, 62.7])
        gvar = GeometryVariable(name='geom',
                                value=bbox,
                                is_bbox=True,
                                dimensions='ngeom',
                                crs=Spherical())
        gvar.unwrap()
        rd = RequestDataset(uri=self.path_esmf_unstruct,
                            driver=DriverESMFUnstruct,
                            crs=Spherical(),
                            grid_abstraction='point',
                            grid_is_isomorphic=True)
        field = rd.create_field()
        sub, slc = field.grid.get_intersects(gvar,
                                             optimized_bbox_subset=True,
                                             return_slice=True)
        desired_extent = np.array(
            (240.890625, 61.8046875, 246.796875, 62.6484375))
        self.assertGreaterEqual(len(vm.get_live_ranks_from_object(sub)), 1)
        with vm.scoped_by_emptyable('reduction', sub):
            if not vm.is_null:
                red = sub.reduce_global()
                self.assertNumpyAllClose(desired_extent,
                                         np.array(red.extent_global))
        path = self.get_temporary_file_path('foo.nc', collective=True)
        with vm.scoped_by_emptyable('write', sub):
            if not vm.is_null:
                red.parent.write(path)
Exemplo n.º 2
0
    def test_system_spatial_subsetting(self):
        """Test spatial subsetting ESMF Unstructured format."""

        bbox = shapely.geometry.box(*[-119.2, 61.7, -113.2, 62.7])
        gvar = GeometryVariable(name='geom', value=bbox, is_bbox=True, dimensions='ngeom', crs=Spherical())
        gvar.unwrap()
        rd = RequestDataset(uri=self.path_esmf_unstruct,
                            driver=DriverESMFUnstruct,
                            crs=Spherical(),
                            grid_abstraction='point',
                            grid_is_isomorphic=True)
        field = rd.create_field()
        sub, slc = field.grid.get_intersects(gvar, optimized_bbox_subset=True, return_slice=True)
        desired_extent = np.array((240.890625, 61.8046875, 246.796875, 62.6484375))
        self.assertGreaterEqual(len(vm.get_live_ranks_from_object(sub)), 1)
        with vm.scoped_by_emptyable('reduction', sub):
            if not vm.is_null:
                red = sub.reduce_global()
                self.assertNumpyAllClose(desired_extent, np.array(red.extent_global))
        path = self.get_temporary_file_path('foo.nc', collective=True)
        with vm.scoped_by_emptyable('write', sub):
            if not vm.is_null:
                red.parent.write(path)
Exemplo n.º 3
0
 def fixture_esmf_unstruct_field(self):
     rd = RequestDataset(metadata=self.metadata_esmf_unstruct, driver=DriverESMFUnstruct)
     return rd.create_field()
Exemplo n.º 4
0
 def fixture_esmf_unstruct_field(self):
     rd = RequestDataset(metadata=self.metadata_esmf_unstruct, driver=DriverESMFUnstruct)
     return rd.create_field()