ENH: Show conversion of TOML dict to elastix ParameterMap

[N-Dekker]

Extended the TOML notebook, showing how to convert a Python dict from TOML to the elastix ParameterMap format.

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[N-Dekker]

@thewtex The example presents a convert_to_parameter_map(toml_dict) function, so that one can initialize a ParameterObject by a converted TOM dict, as follows:

toml_dict = tomllib.loads(
    """
# Example transformation
NumberOfParameters = 2
Transform = "TranslationTransform"
TransformParameters = [ 1.2345, -1048 ]
"""
)

parameter_object = itk.ParameterObject.New(
    parameter_map=convert_to_parameter_map(toml_dict)
)

As an example, this may be nice, but I think it would be even nicer if one could directly initialize a ParameterObject by a TOM dict, without having to call convert_to_parameter_map(toml_dict) explicitly. As in itk.ParameterObject.New(parameter_map=toml_dict). Do you have an idea how to achieve that? Something with %extend swig_name, extending ParameterObject with TOML dict support?

[thewtex]

🎇 @N-Dekker very nice!

Yes, we could look into making the conversion happen directly. I will take a look. Tracking issue #332 created.