ImageHandler.py 文件源码

def showFourier(self):
        psd2D = np.log(np.abs(self.four)**2+1)
        (height,width) = psd2D.shape
        py.figure(figsize=(10,10*height/width),facecolor='white')
        py.clf()
        py.rc('text',usetex=True)
        py.xlabel(r'$\omega_1$',fontsize=24)
        py.ylabel(r'$\omega_2$',fontsize=24)
        py.xticks(fontsize=16)
        py.yticks(fontsize=16)
        py.imshow( psd2D, cmap='Greys_r',extent=[-pi,pi,-pi,pi],aspect='auto')
        py.show()