Startup

script/__Lib/diffcalc/startup/i07EH2v.py

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+from startup._common_imports import *  # @UnusedWildImport
+from diffcalc.hkl.you.constraints import NUNAME
+
+if GDA:    
+    from __main__ import diff2delta, diff2alpha, diff2gamma, diff2omega, dcm1energy # @UnresolvedImport
+
+from diffcalc.hkl.you.geometry import YouGeometry, YouPosition
+
+
+class FourCircleI07EH2v(YouGeometry):
+    """For a diffractometer with angles:
+          delta, gam, mu, phi
+    """
+    def __init__(self, beamline_axes_transform=None):
+        YouGeometry.__init__(self, 'fourc', {'eta': 0, 'chi': 0}, beamline_axes_transform)
+
+    def physical_angles_to_internal_position(self, physical_angle_tuple):
+        delta_phys, gam_phys, mu_phys, phi_phys = physical_angle_tuple
+        return YouPosition(mu_phys, delta_phys, gam_phys, 0, 0, phi_phys, 'DEG')
+
+    def internal_position_to_physical_angles(self, internal_position):
+        clone_position = internal_position.clone()
+        clone_position.changeToDegrees()
+        mu_phys, delta_phys, gam_phys, _, _, phi_phys = clone_position.totuple()
+        return delta_phys, gam_phys, mu_phys, phi_phys
+
+
+### Create dummy scannables ###
+if GDA:  
+    ###map GDA scannable to diffcalc axis name###
+    _fourc = ScannableGroup('_fourc', (diff2delta, diff2gamma, diff2alpha, diff2omega))
+    delta=_fourc.diff2delta
+    gam=_fourc.diff2gamma
+    mu=_fourc.diff2alpha
+    phi=_fourc.diff2omega
+    en=dcm1energy
+else:
+    #Create dummy axes to run outside GDA in IPython#   
+    delta = Dummy('delta')
+    gam = Dummy(NUNAME)
+    mu = Dummy('mu')
+    phi = Dummy('phi')
+    _fourc = ScannableGroup('_fourc', (delta, gam, mu, phi))
+    en = Dummy('en')
+
+en.level = 3
+
+### Configure and import diffcalc objects ###
+ESMTGKeV = 1
+settings.hardware = ScannableHardwareAdapter(_fourc, en, ESMTGKeV)
+settings.geometry = FourCircleI07EH2v()  # @UndefinedVariable
+settings.energy_scannable = en
+settings.axes_scannable_group= _fourc
+settings.energy_scannable_multiplier_to_get_KeV = ESMTGKeV
+ 
+# for aliasing completeness
+eta= settings.geometry.fixed_constraints['eta']
+chi= settings.geometry.fixed_constraints['chi']
+from diffcalc.gdasupport.you import *  # @UnusedWildImport
+
+if GDA:
+    print "Running in GDA --- aliasing commands"
+    alias_commands(globals())
+ 
+# Load the last ub calculation used
+lastub()
+# Set reference vector direction returning betain and betaout angles as alpha and beta
+if ubcalc.name:
+    setnphi('0; 0; 1')
+
+### Set i07 specific limits
+def setLimitsAndCuts():
+    ''' set motor limits for diffcalc, these are within the actual motor limits
+    '''
+    setmin(delta, -0.60755)
+    setmax(delta, 120.0) 
+    setmin(gam, -1.3913)
+    setmax(gam, 48.160) 
+    setmin(mu, -2.5124)
+    setmax(mu, 24.107)
+    setcut(phi, -180.0)
+    print "Current hardware limits set to:"
+    hardware()
+
+if not GDA:
+    setLimitsAndCuts()
+
+# TODO: make demo code for (2+2) diffractometer geometry
+#if not GDA:
+#    demo = startup._demo.Demo(globals(), 'fourc')