import numpy as np from matplotlib import pyplot as plt from libs.aco import AntColony, total_distance name = "berlin52" cities = [[565, 575], [25, 185], [345, 750], [945, 685], [845, 655], [880, 660], [25, 230], [525, 1000], [580, 1175], [650, 1130], [1605, 620], [1220, 580], [1465, 200], [1530, 5], [845, 680], [725, 370], [145, 665], [415, 635], [510, 875], [560, 365], [300, 465], [520, 585], [480, 415], [835, 625], [975, 580], [1215, 245], [1320, 315], [1250, 400], [660, 180], [410, 250], [420, 555], [575, 665], [1150, 1160], [700, 580], [685, 595], [685, 610], [770, 610], [795, 645], [720, 635], [760, 650], [475, 960], [95, 260], [875, 920], [700, 500], [555, 815], [830, 485], [1170, 65], [830, 610], [605, 625], [595, 360], [1340, 725], [1740, 245]] optimal = 7542 n_ants = 10 alpha = [1, 2] beta = [2, 3, 4, 5] evaporation = 0.5 intensification = 2 max_times = [1] iterations = 1 bar_width = 0.15 opacity = 0.8 x = np.arange(len(max_times)) fig, ax = plt.subplots() # Preparing the colormap colors = [ '#1f77b4', # Bleu moyen '#ff7f0e', # Orange '#2ca02c', # Vert '#d62728', # Rouge '#9467bd', # Violet '#8c564b', # Marron '#e377c2', # Rose '#7f7f7f', # Gris '#bcbd22', # Vert olive '#17becf', # Turquoise '#1b9e77', # Vert Teal '#d95f02', # Orange foncé '#7570b3', # Violet moyen '#e7298a', # Fuchsia '#66a61e', # Vert pomme '#e6ab02', # Jaune or '#a6761d', # Bronze '#666666', # Gris foncé '#f781bf', # Rose clair '#999999', # Gris moyen ] color_dict = {} for i in range(len(alpha)): for j in range(len(beta)): best_distances = [] for max_time in max_times: for iteration in range(iterations): ant_colony = AntColony(cities, n_ants, alpha[i], beta[j], evaporation, intensification, max_time) print("Running iteration number {}/{} ({} sec)".format(iteration + 1, iterations, max_time)) best_route = ant_colony.run() best_distances.append(total_distance(best_route)) # Defining a unique key for each alpha-beta pair key = f"alpha={alpha[i]}_beta={beta[j]}" if key not in color_dict: color_dict[key] = colors[i * len(beta) + j] ax.bar(x + (i * len(beta) + j) * bar_width, best_distances, bar_width, alpha=opacity, color=color_dict[key], label='alpha={} beta={}'.format(alpha[i], beta[j])) ax.set_xlabel('Max Time') ax.set_ylabel('Best Distance') ax.set_title('Best distances per max time for each alpha and beta') ax.set_xticks(x + bar_width / 3) ax.set_xticklabels(max_times) ax.legend() plt.axhline(y=optimal, color='r') plt.show()