本文整理汇总了Python中pycap.PropertyTree.get_child方法的典型用法代码示例。如果您正苦于以下问题：Python PropertyTree.get_child方法的具体用法？Python PropertyTree.get_child怎么用？Python PropertyTree.get_child使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类pycap.PropertyTree的用法示例。
在下文中一共展示了PropertyTree.get_child方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: run
# 需要导入模块: from pycap import PropertyTree [as 别名]
# 或者: from pycap.PropertyTree import get_child [as 别名]
def run():
# parse uq database
input_database=PropertyTree()
input_database.parse_xml('uq.xml')
uq_database=input_database.get_child('uq')
# declare parameters
params=uq_database.get_int('params')
parameter_list=[]
for p in range(params):
parameter_database=uq_database.get_child('param_'+str(p))
distribution_type=parameter_database.get_string('distribution_type')
parameter_name=parameter_database.get_string('name')
if distribution_type=='uniform':
parameter_range=parameter_database.get_array_double('range')
parameter_list.append(UniformParameter('param_'+str(p),
parameter_name,
min=parameter_range[0],
max=parameter_range[1]))
elif distribution_type=='normal':
parameter_mean=parameter_database.get_double('mean')
parameter_standard_deviation=parameter_database.get_double('standard_deviation')
parameter_list.append(NormalParameter('param_'+str(p),
parameter_name,
mean=parameter_mean,
dev=parameter_standard_deviation))
else:
raise RuntimeError('invalid distribution type '+distribution_type+' for param_'+str(p))
# create a host
host_database=uq_database.get_child('host')
host_type=host_database.get_string('type')
if host_type=="Interactive":
host=InteractiveHost(cpus=host_database.get_int_with_default_value('cpus',1),
cpus_per_node=host_database.get_int_with_default_value('cpus_per_node',0))
elif host_type=="PBS":
host=PBSHost(host_database.get_string('env'),
cpus=host_database.get_int_with_default_value('cpus',0),
cpus_per_node=host_database.get_int_with_default_value('cpus_per_node',0),
qname=host_database.get_string_with_default_value('qname','standby'),
walltime=host_database.get_string_with_default_value('walltime','1:00:00'),
modules=host_database.get_string_with_default_value('modules',''),
pack=host_database.get_int_with_default_value('pack',1),
qlimit=host_database.get_int_with_default_value('qlimit',200))
else:
raise RuntimeError('invalid host type '+host_type)
# pick UQ method
method=uq_database.get_string('method')
if method=='SmolyakSparseGrid':
level=uq_database.get_int('level')
uq=Smolyak(parameter_list,level=level)
elif method=='MonteCarlo':
samples=uq_database.get_int('samples')
uq=MonteCarlo(parameter_list,num=samples)
elif method=='LatinHypercubeSampling':
samples=uq_database.get_int('samples')
uq=LHS(parameter_list,num=samples)
else:
raise RuntimeError('invalid UQ method '+method)
# make a test program
test_program_database=uq_database.get_child('test_program')
description=test_program_database.get_string('description')
executable_name=test_program_database.get_string('executable')
for p in range(params):
executable_name+=' --param_'+str(p)+' $param_'+str(p)
prog=TestProgram(exe=executable_name,
desc=description)
# run
return Sweep(uq,host,prog)示例2:
# 需要导入模块: from pycap import PropertyTree [as 别名]
# 或者: from pycap.PropertyTree import get_child [as 别名]
(options,args)=parser.parse_args()
# make device database
device_database=PropertyTree()
device_database.parse_xml('super_capacitor.xml')
# adjust the parameters in the database
options_dict=vars(options)
for var in options_dict:
path=uq_database.get_string('uq.'+var+'.name')
# next line is there to ensure that path already exists
old_value=device_database.get_double(path)
new_value=options_dict[var]
print var,path,new_value
device_database.put_double(path,new_value)
# build the energy storage device
device=EnergyStorageDevice(device_database.get_child('device'))
# parse the electrochmical impedance spectroscopy database
eis_database=PropertyTree()
eis_database.parse_xml('eis.xml')
# measure the impedance
impedance_spectrum_data=measure_impedance_spectrum(device,eis_database.get_child('eis'))
# extract the results
frequency=impedance_spectrum_data['frequency']
complex_impedance=impedance_spectrum_data['impedance']
resistance=real(complex_impedance)
reactance=imag(complex_impedance)
modulus=absolute(complex_impedance)
argument=angle(complex_impedance,deg=True)
magnitude=20*log10(absolute(complex_impedance))
# and report