def only_local(option, f):
knowledge = 0
iterations_local = 50 # number of trials
scenarios.generate_victim_positions_traces()
scenarios.partial_knowledge_generation(knowledge)
list_best_individuals = list()
list_best_fitness = list()
list_evolution_max = list()
list_best_time = list()
for i in range(0, iterations_local):
list_drones = quality.init(
global_variables.num_drones) # random selection
global_variables.partial = 1
result_global = quality.evaluate(list_drones)
global_variables.partial = 1 # we evaluate the hill climbing
type_global = "Genetic Algorithm"
if option == "Hill":
type_local = "Hill Climbing"
list_drones_climbing, records = local.hill_climbing(
list_drones, result_global)
list_best_individuals.append(list_drones_climbing)
#list_best_time.append(best_time)
q, = quality.evaluate(list_drones_climbing)
list_best_fitness.append(q)
list_evolution_max.append(records)
length = len(list_best_fitness)
mean = sum(list_best_fitness) / length
sum2 = sum(x * x for x in list_best_fitness)
std = abs(sum2 / length - mean**2)**0.5
index = miscelleneous.find_max(list_best_fitness)
f.write(type_local)
f.write("\n")
f.write("Results \n")
f.write("Max, Min, Mean, Std \n")
f.write(
str(max(list_best_fitness)) + "," + str(min(list_best_fitness)) + "," +
str(mean) + "," + str(std))
f.write(str(list_best_fitness))
plots.print_drones_data(list_best_individuals[index], f)
plots.evolution_local(list_evolution_max[index], type_local)
plots.positions(list_drones, list_best_individuals[index], type_global,
type_local)
def ground_nodes():
""" It plots the solution"""
k_values = [0.4, 0.6, 0.8, 1]
list_x_global = [list() for i in range(len(k_values))]
list_y_global = [list() for i in range(len(k_values))]
scenarios.generate_victim_positions_traces()
for i, k in enumerate(k_values):
#list_victims_partical_victims = []
#list_partial_victims = []
list_x = list()
list_y = list()
scenarios.partial_knowledge_generation(k)
for j in global_variables.list_partial_victims:
list_x.append(j.node_x)
list_y.append(j.node_y)
list_x_global[i].append(list_x)
list_y_global[i].append(list_y)
# plotting drones connectivity
fig = plt.figure(figsize=(13, 10), dpi=300)
ax1 = fig.add_subplot(2, 2, 1)
ax1.scatter(list_x_global[0],
list_y_global[0],
c='k',
label="known victims",
marker='o')
ax1.set_title("a) 50 ground nodes", fontsize=12)
ax1.set_xlabel("X [m]", fontsize=11)
ax1.set_ylabel("Y [m]", fontsize=11)
ax1.axis([-50, 1050, -50, 1050])
ax1.grid(True)
ax2 = fig.add_subplot(2, 2, 2)
ax2.scatter(list_x_global[1],
list_y_global[1],
c='k',
label="known victims",
marker='o')
ax2.set_title("b) 75 ground nodes", fontsize=12)
ax2.set_xlabel("X [m]", fontsize=11)
ax2.set_ylabel("Y [m]", fontsize=11)
ax2.axis([-50, 1050, -50, 1050])
ax2.grid(True)
ax3 = fig.add_subplot(2, 2, 3)
ax3.scatter(list_x_global[2],
list_y_global[2],
c='k',
label="known victims",
marker='o')
ax3.set_title("c) 100 ground nodes", fontsize=12)
ax3.set_xlabel("X [m]", fontsize=11)
ax3.set_ylabel("Y [m]", fontsize=11)
ax3.axis([-50, 1050, -50, 1050])
ax3.grid(True)
ax4 = fig.add_subplot(2, 2, 4)
ax4.scatter(list_x_global[3],
list_y_global[3],
c='k',
label="known victims",
marker='o')
ax4.set_title("d) 125 ground nodes", fontsize=12)
ax4.set_xlabel("X [m]", fontsize=11)
ax4.set_ylabel("Y [m]", fontsize=11)
ax4.axis([-50, 1050, -50, 1050])
ax4.grid(True)
fig.savefig("Positions.png")
def positions_from_file(fil, num, k, nodes, UAVs, fig):
""" It plots the solution"""
#global list_victim
#global list_partial_victims
f = open(fil, 'r')
scenarios.generate_victim_positions_traces()
scenarios.partial_knowledge_generation(k)
#print list_victims
list_drones = list()
for line in f:
fields = line.split(",")
list_drones.append(
global_variables.Drone(int(fields[0]), float(fields[1]),
float(fields[2])))
for i in list_drones:
print(i.id, i.node_x, i.node_y)
#CO= quality.evaluate_coverage(list_drones)
#G= quality.create_drones_graph(list_drones)
#print quality.check_graph_connectivity(G)
#for i in list_drones:
# print i.neighbordrones
#F= quality.evaluate_weighted(list_drones)
CO = quality.evaluate_coverage(list_drones)
print("coverage", CO)
#FTO= quality.evaluate_tolerance(list_drones)
#print FTO
#RO= quality.evaluate_redundancy(list_drones)
#print "redundancy", RO
ground_x = list() # victims' positions
ground_y = list()
ground_x_covered = list() # victims' positions
ground_y_covered = list()
UAV_x = list() # drones' positions
UAV_y = list()
UAV_ground_x = list() # links among drones and victims
UAV_ground_y = list()
UAV_UAV_x = list() # links among drones
UAV_UAV_y = list()
for i in global_variables.list_partial_victims:
ground_x.append(i.node_x)
ground_y.append(i.node_y)
for j in list_drones:
UAV_x.append(j.node_x)
UAV_y.append(j.node_y)
#print UAV_x, UAV_y
#print ground_x, ground_y
UAV_ground_x, UAV_ground_y, ground_x_covered, ground_y_covered = plot_links(
list_drones, 1)
UAV_UAV_x, UAV_UAV_y = plot_links_drones(list_drones)
#print UAV_ground_x
# plotting drones connectivity
#fig = plt.figure(figsize= (10,20), dpi = 300)
ax1 = fig.add_subplot(4, 2, num)
#s1= ax1.scatter(ground_x, ground_y, c = 'y', label = "ground_nodes", marker = 'o')
s1 = ax1.scatter(UAV_x, UAV_y, c='r', label="UAV", marker='x')
for i in range(0, len(UAV_UAV_x)):
if i % 2 == 0:
x1 = UAV_UAV_x[i]
x11 = UAV_UAV_x[i + 1]
y1 = UAV_UAV_y[i]
y11 = UAV_UAV_y[i + 1]
ax1.plot([x1, x11], [y1, y11],
'r--',
label="UAV-UAV links",
marker='_')
ax1.set_xlabel("X [m]", fontsize=11)
ax1.set_ylabel("Y [m]", fontsize=11)
ax1.axis([-50, 1050, -50, 1050])
ax1.set_title(UAVs, fontsize=12)
ax1.grid("on")
ax2 = fig.add_subplot(4, 2, num + 1)
s2 = ax2.scatter(ground_x,
ground_y,
c='c',
label="ground_nodes",
marker='x')
s3 = ax2.scatter(ground_x_covered,
ground_y_covered,
c='m',
label="ground_nodes",
marker='x')
ax2.scatter(UAV_x, UAV_y, c='r', label="UAV", marker='x')
for i in range(0, len(UAV_ground_x)):
if i % 2 == 0:
x1 = UAV_ground_x[i]
x11 = UAV_ground_x[i + 1]
y1 = UAV_ground_y[i]
y11 = UAV_ground_y[i + 1]
ax2.plot([x1, x11], [y1, y11],
'g--',
label="UAV-ground links",
marker='_')
ax2.set_xlabel("X [m]", fontsize=11)
ax2.set_ylabel("Y [m]", fontsize=11)
ax2.axis([-50, 1050, -50, 1050])
ax2.set_title(nodes, fontsize=12)
ax2.grid("on")
#l = ["unknown victims", "known victims", "drones"]
#c = ['b', 'k', 'r', 'y', 'g', 'r']
#m = ['o', 'o', 'o', '_', '_', '_']
UAV_links = mlines.Line2D([], [],
color='red',
linestyle='--',
label='Blue stars')
GN_links = mlines.Line2D([], [],
color='green',
linestyle='--',
label='Blue stars')
if num == 1:
fig.legend(handles=[s1, s2, s3, UAV_links, GN_links],
labels=['UAV', 'GN', 'Cov-GN', 'UAV-links', 'GN-links'],
loc='upper center')
#fig.legend(handles=[s1, s2, s3, s4, s5, s6], ('UAV', 'GN','Cov-GN','UAV-links', 'GN-GN.links'), loc= 'upper right')
fig.savefig("Positions.png")
def global_plus_local(f):
""" This function runs the whole approach global + local search """
iterations_genetic = 1 # iterations genetic algorithm
knowledge = 0.8 # level of knowledge
list_best_individuals = list(
) # to store the best individual of each genetic algorithm run
list_best_fitness = list(
) # to store the best fitness of the best individual of each run
list_generations = list() # to store the generations
list_drones_climbing = list()
list_evolution_max = list()
type_global = "Genetic"
type_local = "Hill Climbing"
f.write(type_global)
f.write("\n")
scenarios.generate_victim_positions_traces()
scenarios.partial_knowledge_generation(knowledge)
for i in range(0, iterations_genetic):
individual, fitness, generation, evol_max = genetic.genetic_algorithm(
"global_plus_local", i, knowledge)
list_best_individuals.append(individual)
list_best_fitness.append(fitness)
list_generations.append(generation)
list_evolution_max.append(evol_max)
length = len(list_best_fitness)
mean = sum(list_best_fitness) / length
sum2 = sum(x * x for x in list_best_fitness)
std = abs(sum2 / length - mean**2)**0.5
f.write("Results \n")
f.write("Max, Min, Mean, Std \n")
f.write(
str(max(list_best_fitness)) + "," + str(min(list_best_fitness)) + "," +
str(mean) + "," + str(std))
f.write("\n")
global_max = max(list_best_fitness)
index = miscelleneous.find_max(list_best_fitness)
plots.print_drones_data(list_best_individuals[index], f)
# LOCAL
f.write(type_local)
f.write("\n")
#list_dr = quality.init_modified(list_best_individuals[index], global_variables.num_drones) # To simulate different number of drones for the initial deployment and for the adaptation to the real conditions
#list_drones_climbing, records = local.hill_climbing(list_dr, list_best_individuals[index].fitness.values)
list_drones_climbing, records = local.hill_climbing(
list_best_individuals[index],
list_best_individuals[index].fitness.values)
f.write("Results \n")
f.write(str(quality.evaluate(list_drones_climbing)))
plots.print_drones_data(list_drones_climbing, f)
plots.positions(list_best_individuals[index], list_drones_climbing,
type_global, type_local)
plots.evolution_local(records, type_local)
plots.evolution_global(list_evolution_max[index], type_global)
print("######### FIRST DEPLOYMENT STATISTICS ################")
print(" Min %s" % min(list_best_fitness))
print(" Max %s" % max(list_best_fitness))
print(" Avg %s" % mean)
print(" Std %s" % std)
def only_global(f, type_algorithm, knowledge, fil, argument):
#iterations_genetic = 120
#iterations_genetic = 30 # how many times we run the algorithm
iterations_genetic = 30
iterations_pso = 1
list_best_individuals = list() # list of best individuals
list_best_fitness = list() # list of best fitnesses
list_generations = list() # list of generations
list_evolution_max = list()
list_covergence = list()
list_best_individuals_f1 = list() # list of best individuals
list_best_fitness_f1 = list() # list of best fitnesses
list_generations_f1 = list() # list of generations
list_evolution_max_f1 = list()
list_id_f1 = list()
list_covergence_f1 = list()
list_best_individuals_f2 = list() # list of best individuals
list_best_fitness_f2 = list() # list of best fitnesses
list_generations_f2 = list() # list of generations
list_evolution_max_f2 = list()
list_id_f2 = list()
list_covergence_f2 = list()
list_best_individuals_f3 = list() # list of best individuals
list_best_fitness_f3 = list() # list of best fitnesses
list_generations_f3 = list() # list of generations
list_evolution_max_f3 = list()
list_id_f3 = list()
list_covergence_f3 = list()
list_best_individuals_f4 = list() # list of best individuals
list_best_fitness_f4 = list() # list of best fitnesses
list_generations_f4 = list() # list of generations
list_evolution_max_f4 = list()
list_id_f4 = list()
list_covergence_f4 = list()
results_f1 = list()
results_f2 = list()
results_f3 = list()
results_f4 = list()
res = list()
# scenario generation
## basically, the victims are splitted into quadrants (4 :1.up-right,2.left-down,3.up-left,4.down-right)
## given the preferred number of ground nodes to display, the quadrants will appear
scenarios.generate_victim_positions_traces()
scenarios.partial_knowledge_generation(knowledge)
if type_algorithm == "genetic":
for i in range(0, iterations_genetic):
#
individual, fitness, generation, evol_max, convergence = genetic.genetic_algorithm(
"genetic", i, knowledge)
list_best_individuals.append(individual)
list_best_fitness.append(fitness)
list_generations.append(generation)
list_evolution_max.append(evol_max)
list_covergence.append(convergence)
#print convergence
print("list_covergence STEP ", list_covergence)
stat = miscelleneous.statistics(list_best_fitness)
stat_convergence = miscelleneous.statistics(list_covergence)
data_results = pd.DataFrame(
[stat], columns=["maximum", "minimum", "mean", "std", "index"])
data_convergence = pd.DataFrame(
[stat_convergence],
columns=["maximum", "minimum", "mean", "std", "index"])
data_results.to_csv(fil + "results.csv")
data_convergence.to_csv(fil + "convergence.csv")
f.write("The best solution of population 1\n")
plots.print_drones_data(list_best_individuals[stat["index"]],
list_evolution_max[stat["index"]], f)
if type_algorithm == "pso":
for i in range(0, iterations_pso):
individual, fitness, = pso.pso_algorithm()
list_best_individuals.append(individual)
list_best_fitness.append(fitness)
if type_algorithm == "multi_population":
for i in range(0, iterations_genetic):
## print the iterations
print("Iteration genetic : ", i)
if len(argument) > 1: ## input : initial positions
res = ga_multi_population.ga_multi_population(
argument, type_algorithm, i, knowledge)
else: ## classic search with no individuals to start with
res = ga_multi_population.ga_multi_population(
None, type_algorithm, i, knowledge)
## 4 * iterations_genetic number of ga_multi_population : each node in the queue (ring schema)
## has THE SAME : iterations_genetic (30) results
for i, r in enumerate(res):
if i == 0:
results_f1.append(r)
if i == 1:
results_f2.append(r)
if i == 2:
results_f3.append(r)
if i == 3:
results_f4.append(r)
if type_algorithm == "multi_population":
for r in results_f1:
list_best_fitness_f1.append(r.best_fitness)
list_best_individuals_f1.append(r.best)
list_evolution_max_f1.append(r.best_evolution)
list_id_f1.append(r.id)
list_covergence_f1.append(r.convergence_generation)
for r in results_f2:
list_best_fitness_f2.append(r.best_fitness)
list_best_individuals_f2.append(r.best)
list_evolution_max_f2.append(r.best_evolution)
list_id_f2.append(r.id)
list_covergence_f2.append(r.convergence_generation)
for r in results_f3:
list_best_fitness_f3.append(r.best_fitness)
list_best_individuals_f3.append(r.best)
list_evolution_max_f3.append(r.best_evolution)
list_id_f3.append(r.id)
list_covergence_f3.append(r.convergence_generation)
for r in results_f4:
list_best_fitness_f4.append(r.best_fitness)
list_best_individuals_f4.append(r.best)
list_evolution_max_f4.append(r.best_evolution)
list_id_f4.append(r.id)
list_covergence_f4.append(r.convergence_generation)
stat1 = miscelleneous.statistics(list_best_fitness_f1)
stat2 = miscelleneous.statistics(list_best_fitness_f2)
stat3 = miscelleneous.statistics(list_best_fitness_f3)
stat4 = miscelleneous.statistics(list_best_fitness_f4)
'''
x=0
for v in (list_covergence_f1,list_covergence_f2,list_covergence_f3,list_covergence_f4) :
print(x," : ",v)
x=x+1
'''
stat_convergence1 = miscelleneous.statistics(list_covergence_f1)
stat_convergence2 = miscelleneous.statistics(list_covergence_f2)
stat_convergence3 = miscelleneous.statistics(list_covergence_f3)
stat_convergence4 = miscelleneous.statistics(list_covergence_f4)
data_results = pd.DataFrame(
[stat1, stat2, stat3, stat4],
columns=["maximum", "minimum", "mean", "std", "index"])
data_results.to_csv(fil + "results.csv")
data_convergence = pd.DataFrame(
[
stat_convergence1, stat_convergence2, stat_convergence3,
stat_convergence4
],
columns=["maximum", "minimum", "mean", "std", "index"])
data_convergence.to_csv(fil + "convergence.csv")
f.write("The best solution of population 1\n")
plots.print_drones_data(list_best_individuals_f1[stat1["index"]],
list_evolution_max_f1[stat1["index"]], f)
f.write("The best solution of population 2\n")
plots.print_drones_data(list_best_individuals_f2[stat2["index"]],
list_evolution_max_f2[stat2["index"]], f)
f.write("The best solution of population 3\n")
plots.print_drones_data(list_best_individuals_f3[stat3["index"]],
list_evolution_max_f3[stat3["index"]], f)
f.write("The best solution of population 4\n")
plots.print_drones_data(list_best_individuals_f4[stat4["index"]],
list_evolution_max_f4[stat4["index"]], f)
if type_algorithm == "multi_objective":
pareto_global = tools.ParetoFront()
for i in range(0, iterations_genetic):
pareto = ga_multi_objective.genetic_algorithm(
"multi_objective", i, knowledge)
pareto_global.update(pareto)
plots.print_pareto(pareto_global, f)