data_structures.py 文件源码

def __init__(self, ds, dataset_type='chombo_hdf5'):
        self.domain_left_edge = ds.domain_left_edge
        self.domain_right_edge = ds.domain_right_edge
        self.dataset_type = dataset_type
        self.field_indexes = {}
        self.dataset = weakref.proxy(ds)
        # for now, the index file is the dataset!
        self.index_filename = os.path.abspath(
            self.dataset.parameter_filename)
        self.directory = ds.fullpath
        self._handle = ds._handle

        self._levels = [
            key for key in self._handle.keys() if key.startswith('level')
        ]

        GridIndex.__init__(self, ds, dataset_type)

        self._read_particles()