本文整理汇总了Python中diffpy.srreal.pdfcalculator.PDFCalculator.setScatteringFactorTableByType方法的典型用法代码示例。如果您正苦于以下问题：Python PDFCalculator.setScatteringFactorTableByType方法的具体用法？Python PDFCalculator.setScatteringFactorTableByType怎么用？Python PDFCalculator.setScatteringFactorTableByType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diffpy.srreal.pdfcalculator.PDFCalculator的用法示例。
在下文中一共展示了PDFCalculator.setScatteringFactorTableByType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: _makePDFCalculator
# 需要导入模块: from diffpy.srreal.pdfcalculator import PDFCalculator [as 别名]
# 或者: from diffpy.srreal.pdfcalculator.PDFCalculator import setScatteringFactorTableByType [as 别名]
def _makePDFCalculator(crst, cfgdict):
'''Return a PDFCalculator object evaluated for a pyobjcryst.Crystal crst.
'''
inpdfcalc = lambda kv: kv[0] not in ('biso', 'type')
pdfcargs = dict(filter(inpdfcalc, cfgdict.items()))
pdfc = PDFCalculator(**pdfcargs)
if 'biso' in cfgdict:
setbiso = lambda sc: sc.mpScattPow.SetBiso(cfgdict['biso'])
map(setbiso, crst.GetScatteringComponentList())
if 'type' in cfgdict:
pdfc.setScatteringFactorTableByType(cfgdict['type'])
pdfc.eval(crst)
# avoid metadata override by PDFFitStructure
for k, v in pdfcargs.items():
setattr(pdfc, k, v)
return pdfc示例2: testGenerator
# 需要导入模块: from diffpy.srreal.pdfcalculator import PDFCalculator [as 别名]
# 或者: from diffpy.srreal.pdfcalculator.PDFCalculator import setScatteringFactorTableByType [as 别名]
def testGenerator(self):
qmax = 27.0
gen = PDFGenerator()
gen.setScatteringType('N')
self.assertEqual('N', gen.getScatteringType())
gen.setQmax(qmax)
self.assertAlmostEqual(qmax, gen.getQmax())
from diffpy.Structure import PDFFitStructure
stru = PDFFitStructure()
ciffile = datafile("ni.cif")
stru.read(ciffile)
for i in range(4):
stru[i].Bisoequiv = 1
gen.setStructure(stru)
calc = gen._calc
# Test parameters
for par in gen.iterPars(recurse = False):
pname = par.name
defval = calc._getDoubleAttr(pname)
self.assertEquals(defval, par.getValue())
# Test setting values
par.setValue(1.0)
self.assertEquals(1.0, par.getValue())
par.setValue(defval)
self.assertEquals(defval, par.getValue())
r = numpy.arange(0, 10, 0.1)
y = gen(r)
# Now create a reference PDF. Since the calculator is testing its
# output, we just have to make sure we can calculate from the
# PDFGenerator interface.
from diffpy.srreal.pdfcalculator import PDFCalculator
calc = PDFCalculator()
calc.rstep = r[1] - r[0]
calc.rmin = r[0]
calc.rmax = r[-1] + 0.5 * calc.rstep
calc.qmax = qmax
calc.setScatteringFactorTableByType('N')
calc.eval(stru)
yref = calc.pdf
diff = y - yref
res = numpy.dot(diff, diff)
self.assertAlmostEquals(0, res)
return