fdtdx.PointSymmetry3D

fdtdx.PointSymmetry3D#

class fdtdx.PointSymmetry3D[source]#

Bases: SameShapeTypeParameterTransform

Enforce 180-degree rotational (point) symmetry in 3D.

This creates a design that is symmetric under 180-degree rotation about the center point of the volume. The symmetry is enforced by averaging the array with its fully reversed version (flipped along all three axes).

Quick Reference#

Attributes

Methods

Attributes#

Methods#

PointSymmetry3D.aset(attr_name, val, create_new_ok=False)#

Sets an attribute of this class. In contrast to the classical .at[].set(), this method updates the class attribute directly and does not only operate on jax pytree leaf nodes. Instead, replaces the full attribute with the new value.

The attribute can either be the attribute name of this class, or for nested classes it can also be the attribute name of a class, which itself is an attribute of this class. The syntax for this operation could look like this: “a->b->[0]->[‘name’]”. Here, the current class has an attribute a, which has an attribute b, which is a list, which we index at index 0, which is an element of type dictionary, which we index using the dictionary key ‘name’.

Note that dictionary keys cannot contain square brackets or single quotes (even if they are escaped).

Parameters:

  • attr_name (str) – Name of attribute to set

  • val (Any) – Value to set the attribute to

  • create_new_ok (bool, optional) – If false (default), throw an error if the attribute does not exist. If true, creates a new attribute if the attribute name does not exist yet.

Returns:

Updated instance with new attribute value

Return type:

Self

PointSymmetry3D.get_class_fields()#
Return type:

list[TreeClassField]

PointSymmetry3D.get_input_shape(output_shape)#
Return type:

dict[str, tuple[int, ...]]

PointSymmetry3D.get_output_type(input_type)#
Return type:

dict[str, ParameterType]

PointSymmetry3D.get_public_fields()#
Return type:

list[TreeClassField]

PointSymmetry3D.init_module(config, materials, matrix_voxel_grid_shape, single_voxel_size, output_shape)#
Return type:

Self

PointSymmetry3D.init_type(input_type)#
Return type:

Self

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