def __init__(self, chromosome, display_scale=True):
        """
        :param chromosome: :class:`~kaic.data.genomic.GenomicRegion` or string
        :param display_scale: Boolean
                              Display distance scale at bottom right
        """
        if isinstance(chromosome, GenomicRegion):
            self.chromosome = chromosome.chromosome
        else:
            self.chromosome = chromosome
        self.display_scale = display_scale