def GTreeGPInitializator(genome, **args):
"""This initializator accepts the follow parameters:
*max_depth*
The max depth of the tree
*method*
The method, accepts "grow", "full" or "ramped"
.. versionadded:: 0.6
The *GTreeGPInitializator* function.
"""
max_depth = genome.getParam("max_depth", 5)
method = genome.getParam("method", "grow")
ga_engine = args["ga_engine"]
if method == "grow":
root = GTree.buildGTreeGPGrow(ga_engine, 0, max_depth)
elif method == "full":
root = GTree.buildGTreeGPFull(ga_engine, 0, max_depth)
elif method == "ramped":
if Util.randomFlipCoin(0.5):
root = GTree.buildGTreeGPFull(ga_engine, 0, max_depth)
else:
root = GTree.buildGTreeGPGrow(ga_engine, 0, max_depth)
else:
Util.raiseException("Unknown tree initialization method [%s] !" %
method)
genome.setRoot(root)
genome.processNodes()
assert genome.getHeight() <= max_depth
def GTreeGPInitializator(genome, **args):
"""This initializator accepts the follow parameters:
*max_depth*
The max depth of the tree
*method*
The method, accepts "grow", "full" or "ramped"
.. versionadded:: 0.6
The *GTreeGPInitializator* function.
"""
max_depth = genome.getParam("max_depth", 5)
method = genome.getParam("method", "grow")
ga_engine = args["ga_engine"]
if method == "grow":
root = GTree.buildGTreeGPGrow(ga_engine, 0, max_depth)
elif method == "full":
root = GTree.buildGTreeGPFull(ga_engine, 0, max_depth)
elif method == "ramped":
if Util.randomFlipCoin(0.5):
root = GTree.buildGTreeGPFull(ga_engine, 0, max_depth)
else:
root = GTree.buildGTreeGPGrow(ga_engine, 0, max_depth)
else:
Util.raiseException("Unknown tree initialization method [%s] !" % method)
genome.setRoot(root)
genome.processNodes()
assert genome.getHeight() <= max_depth
