def call(self, **args):
        raise NotImplementedError('Function.call')
Samples the gridded data into dataset of samples.
dataset/ETHPy150Open stepank/pyws/src/pyws/functions/__init__.py/Function.call--crossover with--dataset/ETHPy150Open ioam/holoviews/holoviews/core/data/grid.py/GridInterface.sample