evolution_strategy.py 文件源码

def plot_axes_scaling(self, iabscissa=1):
        from matplotlib import pyplot
        if not hasattr(self, 'D'):
            self.load()
        dat = self
        if np.max(dat.D[:, 5:]) == np.min(dat.D[:, 5:]):
            pyplot.text(0, dat.D[-1, 5],
                        'all axes scaling values equal to %s'
                        % str(dat.D[-1, 5]),
                        verticalalignment='center')
            return self  # nothing interesting to plot
        self._enter_plotting()
        pyplot.semilogy(dat.D[:, iabscissa], dat.D[:, 5:], '-b')
        # pyplot.hold(True)
        pyplot.grid(True)
        ax = array(pyplot.axis())
        # ax[1] = max(minxend, ax[1])
        pyplot.axis(ax)
        pyplot.title('Principle Axes Lengths')
        # pyplot.xticks(xticklocs)
        self._xlabel(iabscissa)
        self._finalize_plotting()
        return self