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This commit is contained in:
RyleyGG
2020-09-27 17:46:17 -04:00
parent d1334090a8
commit 31f5f25c36
3 changed files with 31 additions and 15 deletions
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29
src/initialization/population_structure/population.py
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@ -1,7 +1,7 @@
class population:
# fitness = Empty; population = [chromosome, chromosome, etc.]
def __init__(self, chromosomes = None):
"""Intiialize the population with fitness of value None, and a set of chromosomes dependant on user-passed parameter"""
if chromosomes is None:
self.chromosomes = []
else:
@ -9,47 +9,48 @@ class population:
self.fitness = None
def get_closet_fitness(self,value):
# Get the chomosome that has the closets fitness to the value defined
"""Get the chomosome that has the closets fitness to the value defined"""
pass
def add_chromosome(self, chromosome, index = -1):
"""Adds a chromosome to the population at the input index, defaulted to the end of the chromosome set"""
if index == -1:
index = len(self.chromosomes)
self.chromosomes.insert(index, chromosome)
def remove_chromosome(self, index):
"""removes a chromosome from the indicated index"""
del self.chromosomes[index]
def get_all_chromosomes(self):
"""returns all chromosomes in the population"""
return chromosomes
def get_fitness(self):
"""returns the population's fitness"""
return self.fitness
def set_all_chromosomes(self, chromosomes):
"""sets the chromosome set of the population"""
self.chromosomes = chromosomes
def set_chromosome(self, chromosomes, index):
self.chromosome[index] = chromosome
def set_chromosome(self, chromosome, index):
"""sets a specific chromosome at a specific index"""
self.chromosomes[index] = chromosome
def set_fitness(self, fitness):
"""Sets the fitness value of the population"""
self.fitness = fitness
def __repr__(self):
"""Sets the repr() output format"""
return ''.join([chromosome.__repr__() for chromosome in self.chromosomes])
def print_all(self):
# Ex .Current population
# Chromosome 1 - [gene][gene][gene][.etc] / Chromosome fitness - #
"""Prints information about the population in the following format:"""
"""Ex .Current population"""
"""Chromosome 1 - [gene][gene][gene][.etc] / Chromosome fitness - """
print("Current population:")
for index in range(len(self.chromosomes)):
print(f'Chromosome - {index} {self.chromosomes[index]}', end = "")
print(f' / Fitness = {self.chromosomes[index].fitness}')
def generate_first_chromosomes(self, chromosome_count, chromosome_length, gene_lower_bound, gene_upper_bound):
#Creating the chromosomes with Genes of random size
for x in range(chromosome_count):
chromosome = Chromosome(chromosome_length)
for y in range(chromosome_length):
chromosome.gene_set[y] = Gene(random.randint(gene_lower_bound[y], gene_upper_bound[y]))
self.chromosome_set.append(chromosome)