holdtom
from mpl_toolkits.axes_grid1 import make_axes_locatableimport matplotlib.pyplot as pltdef display_image_in_actual_size(im_path): dpi = 80 im_data = plt.imread(im_path) height, width, depth = im_data.shape # What size does the figure need to be in inches to fit the image? figsize = width / float(dpi), height / float(dpi) # Create a figure of the right size with one axes that takes up the full figure fig = plt.figure(figsize=figsize) ax = fig.add_axes([0, 0, 1, 1]) #ax.axis('off') # uncommenting this will result a plot without axis ! # configures size of colorbar divider = make_axes_locatable(ax) im=plt.imshow(im_data) cax = divider.append_axes("right", size="5%", pad=0.05) plt.colorbar(im, cax=cax) ax.imshow(im_data, cmap='gray') ax.set(xlim=[-10, width - 0.5], ylim=[height - 0.5, -0.5], aspect=1) plt.savefig('last_image.png') #saving new image plt.show()display_image_in_actual_size("gray.png")我已经从这里改编了部分答案