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SimpleArt
2020-11-07 18:35:57 -05:00
parent a49ceda93c
commit 874f4362fa
1 changed files with 9 additions and 7 deletions
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16
src/EasyGA.py
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@ -104,20 +104,22 @@ class GA(Attributes):
for chromosome in self.population.get_chromosome_list():
# Update fitness if needed or asked by the user
if(chromosome.get_fitness() is None or self.update_fitness):
if chromosome.get_fitness() is None or self.update_fitness:
chromosome.set_fitness(self.fitness_function_impl(chromosome))
def sort_by_best_fitness(self, chromosome_set):
"""Sorts the array by fitness.
1st element has highest fitness.
2nd element has second highest fitness.
"""Sorts the array by fitness based on fitness type.
1st element has best fitness.
2nd element has second best fitness.
etc.
"""
return sorted(chromosome_set, # list to be sorted
key = lambda chromosome: chromosome.get_fitness(), # by fitness
reverse = (self.target_fitness_type == 'max')) # from highest to lowest fitness
return sorted(
chromosome_set, # list to be sorted
key = lambda chromosome: chromosome.get_fitness(), # by fitness
reverse = (self.target_fitness_type == 'max') # ordered by fitness type
)
def get_chromosome_fitness(self, index):