コード例 #1
0
ファイル: fv3core_test.py プロジェクト: twicki/fv3core
def transpose(state, dims, npz, npx, npy):
    return_state = {}
    for name, quantity in state.items():
        if name == "time":
            return_state[name] = quantity
        else:
            if len(quantity.storage.shape) == 2:
                data_3d = numpy.ascontiguousarray(
                    numpy.broadcast_to(
                        quantity.data[:, :, None],
                        (quantity.data.shape[0], quantity.data.shape[1],
                         npz + 1),
                    ))
                quantity_3d = Quantity.from_data_array(
                    xr.DataArray(
                        data_3d,
                        attrs=quantity.attrs,
                        dims=[
                            quantity.dims[0], quantity.dims[1], Z_INTERFACE_DIM
                        ],
                    ),
                    origin=(quantity.origin[0], quantity.origin[1], 0),
                    extent=(quantity.extent[0], quantity.extent[1], npz + 1),
                )
                quantity_3d.metadata.gt4py_backend = "numpy"
                return_state[name] = quantity_3d.transpose(dims)
            elif len(quantity.storage.shape) == 1:
                data_3d = numpy.tile(quantity.data, (npx + 6, npy + 6, 1))
                quantity_3d = Quantity.from_data_array(
                    xr.DataArray(
                        data_3d,
                        attrs=quantity.attrs,
                        dims=[
                            X_INTERFACE_DIM, Y_INTERFACE_DIM, quantity.dims[0]
                        ],
                    ),
                    origin=(0, 0, quantity.origin[0]),
                    extent=(npx, npy, quantity.extent[0]),
                )
                quantity_3d.metadata.gt4py_backend = "numpy"
                return_state[name] = quantity_3d.transpose(dims)
            else:
                return_state[name] = quantity.transpose(dims)

    return return_state
コード例 #2
0
def _convert_to_quantities(state, metadata):

    quantities = {}
    for key, data in state.items():
        data = np.squeeze(data.astype(np.float32))
        data_t = data.T
        dims = DIMS_MAP[data.ndim]
        attrs = _get_attrs(key, metadata)
        units = attrs.pop("units", "unknown")
        quantities[key] = Quantity(data_t, dims, units)
        # Access to private member could break TODO: Quantity kwarg for attrs?
        quantities[key]._attrs.update(attrs)

    return quantities
コード例 #3
0
def convert_3d_to_1d(state, field_names):
    return_state = state
    for field in field_names:
        quantity = state[field]
        # Assuming we've already transposed from xyz to zyx
        data_1d = quantity.data[
            :, 0, 0
        ]  # take the first column since they should be the same
        quantity_1d = Quantity.from_data_array(
            xr.DataArray(data_1d, attrs=quantity.attrs, dims=[quantity.dims[0]]),
            origin=[quantity.origin[0]],
            extent=[quantity.extent[0]],
        )
        return_state[field] = quantity_1d
    return return_state
コード例 #4
0
ファイル: fv3core_test.py プロジェクト: twicki/fv3core
def convert_3d_to_2d(state, field_levels):
    return_state = state
    for field in field_levels.keys():
        quantity = state[field]
        # Assuming we've already transposed from xyz to zyx
        data_2d = quantity.data[field_levels[
            field], :, :]  # take the bottom level since they should all be the same
        quantity_2d = Quantity.from_data_array(
            xr.DataArray(data_2d,
                         attrs=quantity.attrs,
                         dims=[quantity.dims[1], quantity.dims[2]]),
            origin=(quantity.origin[1], quantity.origin[2]),
            extent=(quantity.extent[1], quantity.extent[2]),
        )
        return_state[field] = quantity_2d
    return return_state
コード例 #5
0
ファイル: fv3core_test.py プロジェクト: twicki/fv3core
    fv3core._config.set_grid(grid)

    # startup
    wrapper.initialize()

    # add things to State
    origin = (0, 3, 3)
    extent = (spec.namelist.npz, spec.namelist.npy - 1, spec.namelist.npx - 1)
    arr = np.zeros(
        (spec.namelist.npz + 1, spec.namelist.npy + 6, spec.namelist.npx + 6))
    turbulent_kinetic_energy = Quantity.from_data_array(
        xr.DataArray(
            arr,
            attrs={
                "fortran_name": "qsgs_tke",
                "units": "m**2/s**2"
            },
            dims=["z", "y", "x"],
        ),
        origin=origin,
        extent=extent,
    )
    u_tendency = Quantity.from_data_array(
        xr.DataArray(
            arr.reshape((spec.namelist.npx + 6, spec.namelist.npy + 6,
                         spec.namelist.npz + 1)),
            attrs={
                "fortran_name": "u_dt",
                "units": "m/s**2"
            },
            dims=["x", "y", "z"],
        ),