import matplotlib.pyplot as pl from matplotlib.patches import Rectangle from find_targets import find_targets, normalize_coordinates ax = pl.subplot(211) img = pl.imread('image.jpeg') H, L, R, objects = find_targets(img, return_slices=True) for o in objects: x, y = o r = Rectangle((y.start, x.start), y.stop-y.start, x.stop-x.start, linewidth=1,edgecolor='r',facecolor='none') ax.add_patch(r) ax.imshow(img) ax.plot([H[0], L[0], R[0]], [H[1], L[1], R[1]], 'o', color='red') ax = pl.subplot(212) w = len(img[0]) h = len(img) H = normalize_coordinates(H, w, h) L = normalize_coordinates(L, w, h) R = normalize_coordinates(R, w, h) ax.plot([H[0], L[0], R[0]], [H[1], L[1], R[1]], 'o', color='red') ax.grid() ax.set_title("Positions normalisées") pl.show()