91 lines
2.9 KiB
Python
91 lines
2.9 KiB
Python
from startup._common_imports import * # @UnusedWildImport
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from diffcalc.hkl.you.constraints import NUNAME
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if GDA:
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from __main__ import diff1vdelta, diff1valpha, diff1vgamma, diff1vomega, dcm1energy # @UnresolvedImport
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from diffcalc.hkl.you.geometry import YouGeometry, YouPosition
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class FourCircleI07EH1v(YouGeometry):
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"""For a diffractometer with angles:
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delta, gam, mu, phi
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"""
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def __init__(self, beamline_axes_transform=None):
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YouGeometry.__init__(self, 'fourc', {'eta': 0, 'chi': 0}, beamline_axes_transform)
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def physical_angles_to_internal_position(self, physical_angle_tuple):
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delta_phys, gam_phys, mu_phys, phi_phys = physical_angle_tuple
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return YouPosition(mu_phys, delta_phys, gam_phys, 0, 0, phi_phys, 'DEG')
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def internal_position_to_physical_angles(self, internal_position):
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clone_position = internal_position.clone()
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clone_position.changeToDegrees()
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mu_phys, delta_phys, gam_phys, _, _, phi_phys = clone_position.totuple()
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return delta_phys, gam_phys, mu_phys, phi_phys
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### Create dummy scannables ###
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if GDA:
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###map GDA scannable to diffcalc axis name###
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_fourc = ScannableGroup('_fourc', (diff1vdelta, diff1vgamma, diff1valpha, diff1vomega))
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delta=_fourc.diff1vdelta
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gam=_fourc.diff1vgamma
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mu=_fourc.diff1valpha
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phi=_fourc.diff1vomega
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en=dcm1energy
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else:
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#Create dummy axes to run outside GDA in IPython#
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delta = Dummy('delta')
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gam = Dummy(NUNAME)
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mu = Dummy('mu')
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phi = Dummy('phi')
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_fourc = ScannableGroup('_fourc', (delta, gam, mu, phi))
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en = Dummy('en')
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en.level = 3
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### Configure and import diffcalc objects ###
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ESMTGKeV = 1
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settings.hardware = ScannableHardwareAdapter(_fourc, en, ESMTGKeV)
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settings.geometry = FourCircleI07EH1v() # @UndefinedVariable
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settings.energy_scannable = en
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settings.axes_scannable_group= _fourc
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settings.energy_scannable_multiplier_to_get_KeV = ESMTGKeV
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# for aliasing completeness
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eta= settings.geometry.fixed_constraints['eta']
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chi= settings.geometry.fixed_constraints['chi']
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from diffcalc.gdasupport.you import * # @UnusedWildImport
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if GDA:
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print "Running in GDA --- aliasing commands"
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alias_commands(globals())
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# Load the last ub calculation used
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lastub()
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# Set reference vector direction returning betain and betaout angles as alpha and beta
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if ubcalc.name:
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setnphi('0; 0; 1')
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### Set i07 specific limits
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def setLimitsAndCuts():
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''' set motor limits for diffcalc, these are within the actual motor limits
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'''
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setmin(delta, -11.275)
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setmax(delta, 100.0)
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setmin(gam, -11.0)
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setmax(gam, 49.934)
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setmin(mu, -6.561)
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setmax(mu, 29.163)
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setcut(phi, -180.0)
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print "Current hardware limits set to:"
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hardware()
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if not GDA:
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setLimitsAndCuts()
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# TODO: make demo code for (2+2) diffractometer geometry
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#if not GDA:
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# demo = startup._demo.Demo(globals(), 'fourc')
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