Random Hdf5 Loader¶

Description¶

A hdf5 dataset of a specified size is created at runtime using numpy random sampling (numpy.random) and saved to file. This created dataset will be used as the input file, and the input file path passed to Savu will be ignored (use a dummy).

Parameters

preview:
    visibility: basic
    dtype: preview
    description: A slice list of required frames.
    default: "[]"

size:
    visibility: basic
    dtype: "[list[float], list[]]"
    description: A list specifiying the required data size.
    default: "[]"

axis_labels:
    visibility: basic
    dtype: "[list[],list[str]]"
    description: "A list of the axis labels to be associated with each dimension, of the form ['name1.unit1', 'name2.unit2',...]"
    default: "[]"

patterns:
    visibility: basic
    dtype: "[list[],list[str]]"
    description: "A list of data access patterns e.g. [SINOGRAM.0c.1s.2c, PROJECTION.0s.1c.2s], where 'c' and 's' represent core and slice dimensions respectively and every dimension must be specified."
    default: "[]"

file_name:
    visibility: intermediate
    dtype: str
    description: Assign a name to the created h5 file.
    default: input_array

dtype_:
    visibility: intermediate
    dtype: nptype
    description: A numpy array data type
    default: int16

dataset_name:
    visibility: intermediate
    dtype: str
    description: The name assigned to the dataset
    default: tomo

angles:
    visibility: intermediate
    dtype: "[None,str,int]"
    description: "A python statement to be evaluated or a file - if the value is None, values will be in the interval [0, 180]"
    default: None

pattern:
    visibility: intermediate
    dtype: "[None,str]"
    description: Pattern used to create and store the hdf5 dataset default is the first pattern in the pattern dictionary.
    default: None

range:
    visibility: intermediate
    dtype: "list[float,float]"
    description: Set the distribution interval.
    default: "[1, 10]"

Key

visibility: The visibility level of the parameter
dtype: The type of data
description: A short explanation of the parameter
default: The default value
options: A list of permitted values
dependency: The name of the parameter and value which this parameter depends upon
range: A guide for the range of the parameter