def __init__(self):
self.generation = 0
evolver.TIME = time.time()
evolver.SAVE_BEST = False
evolver.CODON_SIZE = 100
evolver.ELITE_SIZE = 0
evolver.POP_SIZE = 200
evolver.GENERATION_SIZE = 1
evolver.GENERATIONS = 50
evolver.DEFAULT_FIT = 100000
evolver.MUTATION_PROBABILITY = 0.015
evolver.CROSSOVER_PROBABILITY = 0.0
evolver.GRAMMAR_FILE = "grammars/support2.bnf"
evolver.FITNESS_FUNCTION = evolver.StructuralFitness()
evolver.IMG_COUNTER = 0
self.popSize = evolver.POP_SIZE
self.grammar = evolver.Grammar(evolver.GRAMMAR_FILE)
self.individuals = evolver.initialise_population(evolver.POP_SIZE)
for idx, indiv in enumerate(self.individuals):
indiv.UID = idx
if idx > 0:
indiv.genome = None
evolver.evaluate_fitness(self.individuals, self.grammar,
evolver.FITNESS_FUNCTION)
self.best_ever = min(self.individuals)
self.individuals.sort()
evolver.create_meshes(self.individuals)
evolver.print_stats(1, self.individuals)
def __init__(self):
self.generation = 0
evolver.TIME = time.time()
evolver.SAVE_BEST = True
evolver.CODON_SIZE = 100
evolver.ELITE_SIZE = 1
evolver.POPULATION_SIZE = 35
evolver.GENERATION_SIZE = 35
evolver.FRONT_FOLDER = "frontData"
evolver.GENERATIONS = 5
evolver.DEFAULT_FIT = 100000000000000
evolver.MUTATION_PROBABILITY = 0.015
evolver.CROSSOVER_PROBABILITY = 0.7
evolver.GRAMMAR_FILE = "grammars/jon_pylon10.bnf"
evolver.FITNESS_FUNCTION = evolver.StructuralFitness()
evolver.IMG_COUNTER = 0
self.pop_size = evolver.POPULATION_SIZE
self.grammar = grammar.Grammar(evolver.GRAMMAR_FILE)
self.individuals = evolver.initialise_population(evolver.POPULATION_SIZE)
for idx, indiv in enumerate(self.individuals):
indiv.uid = idx
self.selection = lambda x: evolver.tournament_selection(x, evolver.POPULATION_SIZE)
evolver.evaluate_fitness(self.individuals, self.grammar,
evolver.FITNESS_FUNCTION)
self.best_ever = min(self.individuals)
self.fronts = []
self.individuals.sort()
print "creating meshes"
evolver.create_meshes(self.individuals)
evolver.print_stats(1, self.individuals)
def step(self):
"""creates next generation"""
print("no. of indivs: " + str(len(self.individuals)))
self.individuals, self.fronts, self.best_ever = evolver.step(
self.individuals, self.fronts, self.grammar,
self.selection, evolver.FITNESS_FUNCTION, self.best_ever)
evolver.print_stats(self.generation, self.individuals)
sys.stderr.write("Gen: " + str(self.generation) + "\n")
self.generation += 1
