@staticmethod
def chooseDelta(x):
    """Choose a reasonable axis range given that one limit is x.

        Given that end of the axis range (i.e., minValue or maxValue) is
        x, choose a reasonable distance to the other limit.
        """
    if abs(x) < 1e-09:
        return 1.0
    else:
        return 0.1 * abs(x)
