cortex.dataset.Volume.empty

classmethod Volume.empty(subject, xfmname, value=0, **kwargs)

Create a constant-valued VolumeData for the given subject and xfmname. Often useful for testing purposes.

Parameters

subjectstr

Subject identifier. Must exist in the pycortex database.

xfmnamestr

Transform name. Must exist in the pycortex database.

valuefloat, optional

Value that the VolumeData will be filled with.

**kwargs

Other keyword arguments are passed to the init function for this class.

Returns

VolumeData subclass

A VolumeData subclass object whose data is constant, equal to value.