【莫烦Python】Matplotlib Python 画图教程 image图片

a = np.array([0.313660827978, 0.365348418405, 0.423733120134,
              0.365348418405, 0.439599930621, 0.525083754405,
              0.423733120134, 0.525083754405, 0.651536351379]).reshape(3,3)

"""
for the value of "interpolation", check this:
http://matplotlib.org/examples/images_contours_and_fields/interpolation_methods.html
for the value of "origin"= ['upper', 'lower'], check this:
http://matplotlib.org/examples/pylab_examples/image_origin.html
"""
plt.imshow(a, interpolation='nearest', cmap='bone', origin='lower')
#展示图片传输a二维图片，origin有lower和upper两个方向可以调换
#interpolation='nearest'有各种各样的样式，这种是框框的样式
plt.colorbar(shrink=.92)#颜色的柱状参数

plt.xticks(())
plt.yticks(())
plt.show()