Exemplo n.º 1
0
def mst_calculation(ifg_paths_or_instance, params):
    if isinstance(ifg_paths_or_instance, list):
        ifgs = pre_prepare_ifgs(ifg_paths_or_instance, params)
        mst_grid = mst.mst_parallel(ifgs, params)
    else:
        nan_conversion = params[cf.NAN_CONVERSION]
        assert isinstance(ifg_paths_or_instance, matlab_mst._IfgListPyRate)
        ifgs = ifg_paths_or_instance.ifgs
        for i in ifgs:
            if not i.mm_converted:
                i.nodata_value = params[cf.NO_DATA_VALUE]
                i.convert_to_mm()
        ifg_instance_updated, epoch_list = \
            get_nml(ifg_paths_or_instance,
                               nodata_value=params[cf.NO_DATA_VALUE],
                               nan_conversion=nan_conversion)
        mst_grid = matlab_mst._matlab_mst_bool(ifg_instance_updated)

    # write mst output to a file
    mst_mat_binary_file = join(params[cf.OUT_DIR], 'mst_mat')
    np.save(file=mst_mat_binary_file, arr=mst_grid)

    for i in ifgs:
        i.close()
    return mst_grid
Exemplo n.º 2
0
    def test_mst_boolean_array(self):
        nan_conversion = 1
        for i in self.small_ifgs:
            if not i.is_open:
                i.open(readonly=False)
            if nan_conversion:  # nan conversion happens here in networkx mst
                i.nodata_value = 0
                i.convert_to_nans()
            if not i.mm_converted:
                i.convert_to_mm()
                i.write_modified_phase()
        mst_nx = mst.mst_boolean_array(self.small_ifgs)

        small_ifg_instance = IfgList(datafiles=self.small_files)
        ifgs = small_ifg_instance.ifgs
        for i in ifgs:
            if not i.mm_converted:
                i.convert_to_mm()
                i.write_modified_phase()
        ifg_instance_updated, epoch_list = \
            get_nml(small_ifg_instance, nodata_value=0,
                    nan_conversion=nan_conversion)

        mst_matlab = _matlab_mst_bool(ifg_instance_updated)
        np.testing.assert_array_equal(mst_matlab, mst_nx)

        # close ifgs for windows
        for i in self.small_ifgs:
            i.close()
Exemplo n.º 3
0
    def test_mas_mat_vs_mst_mat_generator(self):
        ifg_instance = IfgList(datafiles=self.ifg_file_list)
        ifg_list, _ = get_nml(ifg_instance, nodata_value=0,
                              nan_conversion=True)
        mst_mat1 = _matlab_mst(ifg_list)
        mst_mat2 = _matlab_mst_bool(ifg_list)

        np.testing.assert_array_equal(mst_mat2, mst_mat1)
Exemplo n.º 4
0
    def test_matlab_make_mstmat_boolean_array(self):
        """
        tests equality of boolean mst arrays of both python and matlab.
        """
        ifg_instance = IfgList(datafiles=self.ifg_file_list)
        ifg_list, _ = get_nml(ifg_instance, nodata_value=0)
        mst_mat = _matlab_mst_bool(ifg_list, p_threshold=1)

        # path to csv folders from matlab output
        from tests.common import SML_TEST_MATLAB_MST_DIR

        onlyfiles = [f for f in os.listdir(SML_TEST_MATLAB_MST_DIR)
                if os.path.isfile(os.path.join(SML_TEST_MATLAB_MST_DIR, f))]

        for i, f in enumerate(onlyfiles):
            mst_f = np.genfromtxt(os.path.join(SML_TEST_MATLAB_MST_DIR, f),
                                  delimiter=',')
            for k, j in enumerate(self.ifg_file_list):
                if f.split('matlab_')[-1].split('.')[0] == \
                        os.path.split(j)[-1].split('.')[0]:
                    np.testing.assert_array_equal(mst_f, mst_mat[k, :, :])