id4_common.devices.polar_diffractometer_hklpy2#
Polar diffractometer
Module Contents#
- id4_common.devices.polar_diffractometer_hklpy2.WAVELENGTH_CONSTANT = 12.39#
- id4_common.devices.polar_diffractometer_hklpy2.PTTH_MIN_DEGREES = 79#
- id4_common.devices.polar_diffractometer_hklpy2.PTTH_MAX_DEGREES = 101#
- id4_common.devices.polar_diffractometer_hklpy2.PTH_MIN_DEGREES = 39#
- id4_common.devices.polar_diffractometer_hklpy2.PTH_MAX_DEGREES = 51#
- id4_common.devices.polar_diffractometer_hklpy2.ANALYZER_LIST_PATH#
- class id4_common.devices.polar_diffractometer_hklpy2.AnalyzerDevice#
Bases:
ophyd.PseudoPositionerCrystal polarization analyzer with pseudo-energy axis and crystal setup.
- energy#
- th#
- tth_trans#
- th_motor#
- tth#
- eta#
- chi#
- d_spacing#
- crystal#
- tth_detector_distance#
- tracking#
- move_single(pseudo, position, **kwargs)#
Guard move_single to require analyzer setup before moving energy.
- property beamline_wavelength#
Return the current beamline wavelength from the parent diffractometer beam object.
- property beamline_energy#
Return the current beamline energy in keV from the parent diffractometer beam object.
- convert_energy_to_theta(energy)#
Convert photon energy (keV) to Bragg angle (degrees) using the crystal d-spacing.
- convert_energy_to_tth_trans(energy)#
Convert photon energy (keV) to the two-theta translation stage position (mm).
- convert_theta_to_energy(theta)#
Convert Bragg angle (degrees) to photon energy (keV) using the crystal d-spacing.
- forward(pseudo_pos)#
Run a forward (pseudo -> real) calculation
- inverse(real_pos)#
Run an inverse (real -> pseudo) calculation
- set_energy(energy)#
Calibrate the Bragg-angle motor to match the given photon energy (keV).
- calc()#
Print analyzer Bragg angles for the current crystal at the current beamline energy.
- setup(analyzer_energy=None, analyzer_list_path=ANALYZER_LIST_PATH)#
List compatible analyzer crystals and interactively configure d-spacing and crystal.
- class id4_common.devices.polar_diffractometer_hklpy2.DiffractometerMixin#
Bases:
ophyd.DeviceMixin adding table, area-detector, filter, slit, and analyzer components to a diffractometer.
- tablex#
- tabley#
- pad_rail#
- point_rail#
- filter#
- detslt#
- ana#
- default_settings()#
Apply default settings for the diffractometer mixin (no-op; subclasses override).
- id4_common.devices.polar_diffractometer_hklpy2.mono_kwargs#
- id4_common.devices.polar_diffractometer_hklpy2.CradleDiffractometerBase#
- class id4_common.devices.polar_diffractometer_hklpy2.CradleDiffractometer#
Bases:
CradleDiffractometerBase,DiffractometerMixinhklpy2 APS-POLAR cradle diffractometer with sample XYZ translation.
- x#
- y#
- z#
- id4_common.devices.polar_diffractometer_hklpy2.HPDiffractometerBase#
- class id4_common.devices.polar_diffractometer_hklpy2.HPDiffractometer#
Bases:
CradleDiffractometerBase,DiffractometerMixinhklpy2 APS-POLAR HP-press diffractometer with base, nano, and tilt motors.
- basex#
- basey#
- basez#
- basey_motor#
- basez_motor#
- sample_tilt#
- x#
- y#
- z#
- nanox#
- nanoy#
- nanoz#
- id4_common.devices.polar_diffractometer_hklpy2.CradleDiffractometerPSI#
- id4_common.devices.polar_diffractometer_hklpy2.HPDiffractometerPSI#