Пример #1
0
    def run_sim(self):
        simulation = self.simulation
        cfg = self.controller.global_params['cfg']
        MAX_RUNS = cfg['max_runs']
        status: SimulationStatus = self.controller.global_params['status']
        status.running = True

        dt_start = datetime.timestamp(datetime.now())

        simulation.generate_initial_population()

        # symulujemy kolejne iteracje, zapisując wyniki każdej z nich
        for i in range(MAX_RUNS):

            if status.kill is True:
                #status.running = False
                return

            # populacja i fitness z aktualnego pokolenia
            population = simulation.population
            fitness_values = simulation.fitness_values

            # może już przetwarzać sobie następne, jeśli to nie było ostatnie
            if i < MAX_RUNS - 1:
                simulation.next_generation()

            std = np.std(fitness_values)

            # add the champion chromosome to a list of champions for plotting
            index_of_champion = listtools.max_index_in_list(fitness_values)
            status.champion_chromosomes.append(population[index_of_champion])

            # add the max/average values to lists for plotting
            status.max_values.append(
                listtools.max_value_in_list(fitness_values))
            status.avg_values.append(listtools.avgList(fitness_values))
            status.stds.append(std)

            status.current_population = population
            status.drawEvent = True
            status.iteration = i
            self.after(
                0,
                self.update_label(i, status.max_values[i],
                                  status.avg_values[i], std))

            if status.kill is True:
                #status.running = False
                return

        dt_end = datetime.timestamp(datetime.now())
        status.totalTime = dt_end - dt_start

        status.running = False
def exhaustive_maxvalue():
	
	
"""
	Main

	1 [Start] Generate random population of n chromosomes (suitable solutions for the problem)
	2 [Fitness] Evaluate the fitness f(x) of each chromosome x in the population
	3 [New population] Create a new population by repeating following steps until the new population is complete
		3a[Selection] Select two parent chromosomes from a population according to their fitness (the better fitness, the bigger chance to be selected)
		3b[Crossover] With a crossover probability cross over the parents to form a new offspring (children). If no crossover was performed, offspring is an exact copy of parents.
		3c[Mutation] With a mutation probability mutate new offspring at each locus (position in chromosome).
		3d[Accepting] Place new offspring in a new population
	4 [Replace] Use new generated population for a further run of algorithm
	5 [Test] If the end condition is satisfied, stop, and return the best solution in current population
	6 [Loop] Go to step 2
"""
	
#################################################################################################################################################
#  	
#  	NOTE: Fitness_values is indexed by chromosome number, so if we attempt to sort it, 
#   we will pick the wrong index when generating a new population. Which would be bad.
#
#################################################################################################################################################
map = create_map()
population = generate_initial_population()
fitness_values = run_simulation(map, population)

# write out our results to a csv for graphing
csvWriter = csv.writer(open('geneticalgo.csv', 'wb'), delimiter=',',
							quotechar='|', quoting=csv.QUOTE_MINIMAL)
for i in range(MAX_RUNS):
	population = generate_new_population(fitness_values, population)
	fitness_values = run_simulation(map, population)
	max_value = listtools.max_value_in_list(fitness_values)
	avg_value = listtools.avgList(fitness_values)

	csvWriter.writerow([avg_value, max_value])
	print "Run " + str(i) + ": max value " + str(max_value) + ", avg value " + str(avg_value)
	# currently our function evaluates to distance so max distance is true.
	if max_value > .95 and max_value <= 1:
		print "SOLUTION FOUND."
		break
def exhaustive_maxvalue():
	
	
"""
	Main

	1 [Start] Generate random population of n chromosomes (suitable solutions for the problem)
	2 [Fitness] Evaluate the fitness f(x) of each chromosome x in the population
	3 [New population] Create a new population by repeating following steps until the new population is complete
		3a[Selection] Select two parent chromosomes from a population according to their fitness (the better fitness, the bigger chance to be selected)
		3b[Crossover] With a crossover probability cross over the parents to form a new offspring (children). If no crossover was performed, offspring is an exact copy of parents.
		3c[Mutation] With a mutation probability mutate new offspring at each locus (position in chromosome).
		3d[Accepting] Place new offspring in a new population
	4 [Replace] Use new generated population for a further run of algorithm
	5 [Test] If the end condition is satisfied, stop, and return the best solution in current population
	6 [Loop] Go to step 2
"""
	
#################################################################################################################################################
#  	
#  	NOTE: Fitness_values is indexed by chromosome number, so if we attempt to sort it, 
#   we will pick the wrong index when generating a new population. Which would be bad.
#
#################################################################################################################################################
map = create_map()
population = generate_initial_population()
fitness_values = run_simulation(map, population)

# write out our results to a csv for graphing
csvWriter = csv.writer(open('geneticalgo.csv', 'wb'), delimiter=',',
							quotechar='|', quoting=csv.QUOTE_MINIMAL)
for i in range(MAX_RUNS):
	population = generate_new_population(fitness_values, population)
	fitness_values = run_simulation(map, population)
	max_value = listtools.max_value_in_list(fitness_values)
	avg_value = listtools.avgList(fitness_values)

	csvWriter.writerow([avg_value, max_value])
	print "Run " + str(i) + ": max value " + str(max_value) + ", avg value " + str(avg_value)
	# currently our function evaluates to distance so max distance is true.
	if max_value > .95 and max_value <= 1:
		print "SOLUTION FOUND."
		break
    def run(self) -> AlgorithmResult:
        MAX_RUNS = self.config['max_runs']
        result = AlgorithmResult()
        result.gene_names = self.params.gene_names

        dt_start = datetime.timestamp(datetime.now())

        self.generate_initial_population()

        # symulujemy kolejne iteracje, zapisując wyniki każdej z nich
        for i in range(MAX_RUNS):

            # może już przetwarzać sobie następne, jeśli to nie było ostatnie
            if i < MAX_RUNS - 1:
                self.next_generation()

            std = np.std(self.fitness_values)

            # add the champion chromosome to a list of champions for plotting
            index_of_champion = listtools.max_index_in_list(
                self.fitness_values)
            result.champion_chromosomes.append(
                self.population[index_of_champion])

            # add the max/average values to lists for plotting
            result.max_values.append(
                listtools.max_value_in_list(self.fitness_values))
            result.avg_values.append(listtools.avgList(self.fitness_values))
            result.stds.append(std)

            result.current_population = self.population
            result.iteration = i

        dt_end = datetime.timestamp(datetime.now())
        result.totalTime = dt_end - dt_start

        return result
#################################################################################################################################################
#
#  	NOTE: Fitness_values is indexed by chromosome number, so if we attempt to sort it,
#   we will pick the wrong index when generating a new population. Which would be bad.
#
#################################################################################################################################################
map = create_map()
population = generate_initial_population()
fitness_values = run_simulation(map, population)

# write out our results to a csv for graphing
csvWriter = csv.writer(open('geneticalgo.csv', 'wb'),
                       delimiter=',',
                       quotechar='|',
                       quoting=csv.QUOTE_MINIMAL)
for i in range(MAX_RUNS):
    population = generate_new_population(fitness_values, population)
    fitness_values = run_simulation(map, population)

    min_value = listtools.min_value_in_list(fitness_values)
    avg_value = listtools.avgList(fitness_values)

    csvWriter.writerow([avg_value, min_value])
    print "Run " + str(i) + ":  avg value " + str(
        avg_value) + ", min value " + str(min_value)
    # currently our function evaluates to distance so max distance is true.
    if min_value == 0:
        print "SOLUTION FOUND."
        break
Пример #6
0
for i in range(config['max_runs']):

    simulation.generate_new_population()
    fitness_values = simulation.fitness_values
    population = simulation.population

    # add the champion chromosome to a list of champions for plotting
    index_of_champion = listtools.max_index_in_list(fitness_values)
    kp_values.append(population[index_of_champion].kp)
    kd_values.append(population[index_of_champion].kd)
    ki_values.append(population[index_of_champion].ki)

    # add the max/average values to lists for plotting
    max_values.append(listtools.max_value_in_list(fitness_values))
    avg_values.append(listtools.avgList(fitness_values))

    print("Run " + str(i) + ": max value " + str(max_values[i]) +
          ", avg value " + str(avg_values[i]))
    print(population[index_of_champion].kp, population[index_of_champion].kd,
          population[index_of_champion].ki)
    print('\n')

plt.figure()
plt.plot()
plt.title("Fitness Values Over Time")

plt.plot(range(config['max_runs']), max_values, label=r"Max Value")
plt.plot(range(config['max_runs']), avg_values, label=r"Average Value")
plt.legend(loc='lower right')
plt.xlabel("Run")
	5 [Test] If the end condition is satisfied, stop, and return the best solution in current population
	6 [Loop] Go to step 2
	"""
	
#################################################################################################################################################
#  	
#  	NOTE: Fitness_values is indexed by chromosome number, so if we attempt to sort it, 
#   we will pick the wrong index when generating a new population. Which would be bad.
#
#################################################################################################################################################
map = create_map()
population = generate_initial_population()
fitness_values = run_simulation(map, population)

# write out our results to a csv for graphing
csvWriter = csv.writer(open('geneticalgo.csv', 'wb'), delimiter=',',
							quotechar='|', quoting=csv.QUOTE_MINIMAL)
for i in range(MAX_RUNS):
	population = generate_new_population(fitness_values, population)
	fitness_values = run_simulation(map, population)
	
	min_value = listtools.min_value_in_list(fitness_values)
	avg_value = listtools.avgList(fitness_values)

	csvWriter.writerow([avg_value, min_value])
	print "Run " + str(i) + ":  avg value " + str(avg_value) + ", min value " + str(min_value)
	# currently our function evaluates to distance so max distance is true.
	if  min_value == 0:
		print "SOLUTION FOUND."
		break
Пример #8
0
 def test_avg_of_list(self):
     lista = [1, 3, 4, 0]
     avg = listtools.avgList(lista)
     self.assertEqual(avg, 2.0)
for i in range(MAX_RUNS):

	# generate population and run the simulation
	population = generate_new_population(fitness_values, population)
	fitness_values = run_simulation(map, population)
	
	# add the champion chromosome to a list of champions for plotting
	index_of_champion = listtools.max_index_in_list(fitness_values)
	kp_values.append(population[index_of_champion].kp)
	kd_values.append(population[index_of_champion].kd)
	ki_values.append(population[index_of_champion].ki)
	

	# add the max/average values to lists for plotting
	max_values.append(listtools.max_value_in_list(fitness_values))
	avg_values.append(listtools.avgList(fitness_values))
	
	
	# every RUNS_PER_SCREENSHOT runs, do a plot of the champion chromosome
	if i % RUNS_PER_SCREENSHOT == 0:
		# run the simulation for the first selected parent
		run_simulation_for_champion(map, population, index_of_champion, i, listtools.max_value_in_list(fitness_values))

	print "Run " + str(i) + ": max value " + str(max_values[i]) + ", avg value " + str(avg_values[i])

	
# plot fitness results of each run	
	
plt.figure()
plt.plot()
plt.title("Fitness Values Over Time")