GaussianRandomField

class pisces.math_utils.random_fields.GaussianRandomField(domain_dimensions: ndarray, bounding_box: ndarray, field_shape: tuple[int, ...] | None = None, **kwargs)

Class for generating Gaussian random fields in arbitrary dimensions.

Methods

__init__(domain_dimensions, bounding_box[, ...])
compute_grid_arrays()	Compute the meshgrid of spatial coordinates for the random field.
compute_spatial_mgrid(**kwargs)	Compute the meshgrid of spatial coordinates for the random field.
compute_wavenumber_arrays([fft_type])	Compute the 1D wavenumber arrays for each axis of the domain.
compute_wavenumber_mgrid([fft_type])	Compute the meshgrid of wavenumber arrays for the random field.
generate()	Generate a real-space Gaussian random field with the specified power spectrum.

Attributes

bbox	Bounding box of the random field.
dd	Domain dimensions of the random field.
dl	Alias for grid_spacing.
envelope_function	Spatial envelope function modulating the field.
field_shape	Shape of the field at each grid point.
grid_range	Range of the grid in each dimension.
grid_spacing	Spacing of the grid in each dimension.
mean_field	Mean field value added to the generated field.
ndim	Number of dimensions of the random field.
power_spectrum	Power spectrum function defining the statistical properties of the field.