def mutateAdditionalParameters(self, rnd):
if rnd.random() < 0.1: self.branch_radius = Utilities.getRandomTwoDigitFloat(rnd,0.1,2)
if rnd.random() < 0.1: self.tropism_susceptibility = Utilities.getRandomTwoDigitFloat(rnd,0,0.2)
if rnd.random() < 0.1: self.details_scale = Utilities.getRandomTwoDigitFloat(rnd,0.1,5.0)
if rnd.random() < 0.1: self.use_canopy = 0 # rnd.random()<0.5
if rnd.random() < 0.1: self.trunk_material_choice = rnd.randint(0,1)
if rnd.random() < 0.1: self.leaf_material_choice = rnd.randint(0,1)
if rnd.random() < 0.1: self.leaf_choice = rnd.randint(0,len(DetailsHandler.LEAF_NAMES)-1)
if rnd.random() < 0.1: self.bulb_choice = rnd.randint(0,len(DetailsHandler.BULB_NAMES)-1)
if rnd.random() < 0.1: self.flower_choice = rnd.randint(0,len(DetailsHandler.FLOWER_NAMES)-1)
if rnd.random() < 0.1: self.fruit_choice = rnd.randint(0,len(DetailsHandler.FRUIT_NAMES)-1)
def splitProductionRandomly(self,production,production_index):
""" Splits a production into two productions, with stochastic probabilities that sum to 1 """
# Remove the chosen production
self.deleteProductionAt(production_index,redistribute = False)
initialConditionValue = production.condition.value
# Choose a split value
split_value = Utilities.getRandomTwoDigitFloat(self.rnd,0,initialConditionValue)
# Create two mutated productions from the original and add them
successor = self.mutateProductionSuccessorRandomly(production.successor)
stochastic_value = "{0:.2f}".format(split_value)
self.addProductionFromElements(production.predecessor, stochastic_value, successor)
#print("New production 1: " + str(production[0] + " -- " + str(stochastic_value) + " -- " + productionSubsequent))
successor = self.mutateProductionSuccessorRandomly(production.successor)
stochastic_value = "{0:.2f}".format(initialConditionValue-split_value)
self.addProductionFromElements(production.predecessor, stochastic_value, successor)
def changeRandomParameter(self, pString, predecessor_module = None):
"""
Changes a random parameter in one of the modules of this parametric string into another parameter.
"""
#TODO: optionally use defines too
pString = ParametricString.copyFrom(pString)
#print("We are changing pString: " + str(pString))
# Choose the module
actualModules = pString.getActualModules()
module = self.getRandomItemFromList(actualModules)
#print("Module " + str(module) + " has parameters: " + str(module.params))
# Choose what parameter to change
choice = self.rnd.randint(0,len(module.params)-1)
parameterToChange = module.params[choice]
#print("We will change parameter " + str(choice) + ": " + str(parameterToChange))
# Choose what to change it into
usePredecessorParameter = False
if predecessor_module is not None:
usePredecessorParameter = self.rnd.random() <= 0.5
#print("Using predecessor parameter? " + str(usePredecessorParameter))
if usePredecessorParameter:
changeTo = self.getRandomItemFromList(predecessor_module.params) # TODO: use other parameters too
else:
genModule = self.template_modules_library.getTemplateModuleByLetter(module.letter)
changeTo = genModule.generateConstantParameterValue(self.rnd)
# Optionally, multiply by a constant
if self.rnd.random() <= 0.5:
changeTo = str(changeTo) + "*" + str(Utilities.getRandomTwoDigitFloat(self.rnd,0.5,2.0))
module.params[choice] = changeTo
#print("We changed it to: " + str(changeTo))
#print("The resulting pString is: " + str(pString))
return pString
def generateRandomDefine(self):
return self.addGlobalDefine("d"+str(len(self.lsystem.globalDefines)),
Utilities.getRandomTwoDigitFloat(self.rnd,MIN_DEFINE_VALUE,MAX_DEFINE_VALUE))
def generateConstantParameterValue(self,rnd):
return Utilities.getRandomTwoDigitFloat(rnd,self.scale_min,self.scale_max)
