Source code for mxcubecore.HardwareObjects.ESRF.ESRFBeamInfo
import logging
from mxcubecore.HardwareObjects import BeamInfo
from mxcubecore import HardwareRepository as HWR
"""
XML example file
<object class="ESRF.ESRFBeamInfo">
<defaultBeamDivergence></defaultBeamDivergence>
<object role="camera" hwrid="/prosilica_md2"/>
<object role="aperture" hwrid="/udiff_aperturemot"/>
<object role="diffractometer" hwrid="/udiff" />
<!-- Positions and slits format: X Y -->
<beam_position>322 243</beam_position>
<beam_size_slits>0.04 0.04</beam_size_slits>
<beam_divergence_vertical>6.5</beam_divergence_vertical>
<beam_divergence_horizontal>104</beam_divergence_horizontal>
</object>
"""
[docs]class ESRFBeamInfo(BeamInfo.BeamInfo):
def __init__(self, *args):
BeamInfo.BeamInfo.__init__(self, *args)
self.beam_position = (0, 0)
[docs] def init(self):
self.chan_beam_size_microns = None
self.chan_beam_shape_ellipse = None
BeamInfo.BeamInfo.init(self)
beam_size_slits = self.get_property("beam_size_slits")
if beam_size_slits:
self.beam_size_slits = tuple(map(float, beam_size_slits.split()))
beam_position = self.get_property("beam_position")
if beam_position:
self.beam_position = tuple(map(float, beam_position.split()))
else:
logging.getLogger("HWR").warning(
"ESRFBeamInfo: " + "beam position not configured"
)
self.difrractometer_hwobj = self.get_object_by_role("difrractometer")
self.flux = self.get_object_by_role("flux")
self.beam_definer = self.get_object_by_role("beam_definer")
[docs] def get_beam_position(self):
if self.beam_position == (0, 0):
try:
self.beam_position = HWR.beamline.diffractometer.beam.get_value()
except AttributeError:
self.beam_position = (
HWR.beamline.sample_view.camera.get_width() / 2,
HWR.beamline.sample_view.camera.get_height() / 2,
)
return self.beam_position
[docs] def evaluate_beam_info(self, *args):
BeamInfo.BeamInfo.evaluate_beam_info(self, *args)
self.beam_info_dict["shape"] = "ellipse"
return self.beam_info_dict