Startup

script/__Lib/diffcalc/startup/api/sixcircle.py

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+
+from __future__ import absolute_import
+
+
+from diffcalc import settings
+from diffcalc.hkl.you.geometry import SixCircle
+from diffcalc.hardware import DummyHardwareAdapter
+import diffcalc.util  # @UnusedImport
+
+
+# Disable error handling designed for interactive use
+diffcalc.util.DEBUG = True
+
+
+# Configure and import diffcalc objects
+settings.hardware = DummyHardwareAdapter(('mu', 'delta', 'gam', 'eta', 'chi', 'phi'))
+settings.geometry = SixCircle()  # @UndefinedVariable
+
+
+# These must be imported AFTER the settings have been configured
+from diffcalc.dc import dcyou as dc
+from diffcalc.ub import ub
+from diffcalc import hardware
+from diffcalc.hkl.you import hkl
+
+# Set some limits
+hardware.setmin('gam', -179)
+hardware.setmax('gam', 179)
+
+# These demos reproduce the outline in the developer guide
+def demo_all():
+    demo_orient()
+    demo_motion()
+
+
+def demo_orient():
+
+    ub.listub()
+    
+    # Create a new ub calculation and set lattice parameters
+    ub.newub('test')
+    ub.setlat('cubic', 1, 1, 1, 90, 90, 90)
+    
+    # Add 1st reflection (demonstrating the hardware adapter)
+    settings.hardware.wavelength = 1
+    ub.c2th([1, 0, 0])                 # energy from hardware
+    settings.hardware.position = 0, 60, 0, 30, 0, 0
+    ub.addref([1, 0, 0])# energy and position from hardware
+    
+    # Add 2nd reflection (this time without the harware adapter)
+    ub.c2th([0, 1, 0], 12.39842)
+    ub.addref([0, 1, 0], [0, 60, 0, 30, 0, 90], 12.39842)
+    
+    # check the state
+    ub.ub()
+    ub.checkub()
+
+
+def demo_motion():
+    dc.angles_to_hkl((0., 60., 0., 30., 0., 0.))
+    hkl.con('qaz', 90)
+    hkl.con('a_eq_b')
+    hkl.con('mu', 0)
+    
+    hardware.setmin('delta', 0)
+    dc.hkl_to_angles(1, 0, 0)
+
+
+demo_all()
+    
+    
+    
+