def NutatorsZeros_In(start=45, stop=135, step=5, t=2):
adet = session.getDevice('adet')
lam = session.getDevice('wavelength')()
Cryopad = session.getDevice('Cryopad')
maw('pc2', 0, 'pc1', 180.0 / (Cryopad.coefficients[0] * lam), 'Fout',
'off')
nsteps = int((stop - start) / step)
scan(['nutator1', 'nutator2'], [start, start - 90], [step, step],
nsteps,
adet,
t=t)
fit(ZerosFit, 'Asym')
def amplscan(dev1, start1, step1, numpoints1, dev2, start2, step2, numpoints2,
t):
scandet = session.getDevice('scandet')
scandet.scandev = str(dev2)
scandet.positions = [start2 + i * step2 for i in range(numpoints2)]
dev1pos = [[start1 + i * step1] for i in range(numpoints1)]
ds = Scan([session.getDevice(dev1)],
dev1pos,
None,
detlist=[scandet],
preset={
't': t
}).run()
fit(CosineFit, 'A', dataset=ds)
def NutatorPerpendicularity(start=45, stop=135, step=5, t=2):
adet = session.getDevice('adet')
maw('nutator2', 0, 'nutator1', start, 'Fout', 'off', 'pc1', 0, 'pc2', 0)
nsteps = int((stop - start) / step)
scan('nutator1', start, step, nsteps, adet, t=t)
fit(PerpFit, 'Asym')
def PC2Current(start=-4, stop=4, step=0.25, t=2):
adet = session.getDevice('adet')
maw('nutator2', 0, 'nutator1', 0, 'Fout', 'off', 'pc1', 0)
nsteps = int((stop - start) / step)
scan('pc2', start, step, nsteps, adet, t=t)
fit(PCurrentFit, 'Asym')
def sinfit(xcol='ctr1', *args):
return fit(CosineFit, xcol, *args)