scale.py 文件源码

def break_info(self, range=None):
        """
        Return break information for the axis

        The range, major breaks & minor_breaks are
        in transformed space. The labels for the major
        breaks depict data space values.
        """
        if range is None:
            range = self.dimension()

        major = self.get_breaks(range)
        if major is None or len(major) == 0:
            major = minor = labels = np.array([])
        else:
            major = major.compress(np.isfinite(major))
            minor = self.get_minor_breaks(major, range)

        major = major.compress(
            (range[0] <= major) & (major <= range[1]))
        labels = self.get_labels(major)

        return {'range': range,
                'labels': labels,
                'major': major,
                'minor': minor}