def _set_sgnum(self, v):
"""Set method for sgnum"""
self._sgnum = v
self._spaceGroup = SG(self._sgnum)
self._newPdata()
return
def _toSixLP(self, sgn, lp):
"""
Generate all six lattice parameters, making sure units are attached.
"""
tmpSG = SG(sgn)
lp6 = list(tmpSG.sixLatticeParams(lp))
# make sure angles have attached units
for i in range(6):
if not hasattr(lp6[i], 'getVal'):
if i in range(3):
lp6[i] = _angstroms(lp6[i])
else:
lp6[i] = _degrees(lp6[i])
pass
pass
pass
return lp6
def _readCfg(self, p):
"""Read values from config parser"""
# Lattice parameters
lpStrings = (
('a-in-angstroms', _angstroms),
('b-in-angstroms', _angstroms),
('c-in-angstroms', _angstroms),
('alpha-in-degrees', _degrees),
('beta-in-degrees', _degrees),
('gamma-in-degrees', _degrees)
)
sgnum = p.getint(self.name, 'space-group')
tmpSG = SG(sgnum)
try:
hklMax = p.getint(self.name, 'hkls-ssmax')
except:
hklMax = Material.DFLT_SSMAX
try:
beamEnergy = p.getfloat(self.name, 'beam-energy')
except:
beamEnergy = Material.DFLT_KEV
lparams = []
for ind in tmpSG.reqParams:
param, unit = lpStrings[ind]
lparams.append(unit(p.getfloat(self.name, param)))
pass
# Initialize
self._hklMax = hklMax
self._beamEnergy = beamEnergy
self._lparms = self._toSixLP(sgnum, lparams)
self.sgnum = sgnum
self.description = p.get(self.name, 'description')
return