viscid.readers.athena_bin module

Athena binary file reader

At the moment, this reader assumes the conserved fields are in the files. The Athena custom Grid has methods to do vx = M1 / d, etc.

class viscid.readers.athena_bin.AthenaBinDataWrapper(file_wrapper, fld_name, expected_shape, fld_number)

Bases: viscid.readers.vfile.DataWrapper

dtype

expected_shape = None

file_wrapper = None

filename = None

fld_name = None

fld_number = None

len()

read_direct(*args, **kwargs)

shape

zyx shape since that’s the shape __array__ returns

Type:Returns

class viscid.readers.athena_bin.AthenaBinFile(fname, crds=None, float_type_name=None, var_type=None, **kwargs)

Bases: viscid.readers.athena.AthenaFile, viscid.readers.vfile_bucket.ContainerFile

An Athena binary file reader

classmethod collective_name_from_group(fnames)

float_type_name = None

get_file_wrapper(filename)

classmethod group_fnames(fnames)

Group File names

The default implementation just returns fnames, but some file types might do something fancy here

Parameters:fnames (list) – names that can be logically grouped, as in a bunch of file names that are different time steps of a given run Returns:A list of things that can be given to the constructor of this class

load(fname)

set_file_wrapper(wrapper)

var_type = None

class viscid.readers.athena_bin.AthenaBinFileWrapper(filename, keep_crd_clist=False, float_type_name=None, var_type=None)

Bases: object

A File-like object for interfacing with Athena binary files

float_type_name

default float data type, should be ‘f4’ or ‘f8’; deufaults to double (‘f8’)

Type:str

close()

count = None

crd_clist = None

dt = None

field_names

filename = None

fld_names = None

float_dtype

float_type_name = 'f8'

isopen

keep_crd_clist = None

nscalars = None

nvars = None

open()

read_field(fld_id)

Read a field given a seekable location

Parameters:fld_id (int) – number of field in file Returns:tuple array

read_header()

shape = None

time = None

var_type = 'cons'