Calibration
Dark processing command: det_dark_proc -e tmoc00318 -d epix100 -r10 -D
Common-mode correction (optional, off by default): Common mode correction algorithms for LCLS2 detectors
Monitoring Stream
Runs on drp-neh-cmp014. Start up an EDM window on any DRP node (currently recommended node: drp-srcf-cmp024):
/cds/home/m/mcbrowne/trunk2/ioc/common/epixMon/children/build/iocBoot/ioc-det-epix3/edm-ioc-det-epix3.cmd
Currently only updates when DAQ is triggering.
Timing Scan
tmoc00318 run 38. Suggests optimal timing around 40000ns:
Performance
700keV photons in tmoc00120 run 79. Seem to see 2 and 3 photon peaks:
from psana import DataSource from psana import container import matplotlib.pyplot as plt import numpy as np import math sigroi = np.s_[295:312,491:615] def dump(obj, attrlist): allattrs = dir(obj) usefulattrs=[attr for attr in allattrs if (not attr.startswith('_') and attr ! = 'help')] for attr in usefulattrs: val = getattr(obj, attr) attrlist.append(attr) if type(val) in [int, float, np.ndarray, str]: print('.'.join(attrlist)+':', val) elif type(val) is container.Container: dump(val, attrlist) attrlist.pop(-1) ds = DataSource(exp='tmoc00318',run=38) myrun = next(ds.runs()) det = myrun.Detector('epix100') step_value = myrun.Detector('step_value') step_docstring = myrun.Detector('step_docstring') cfg = det.raw._seg_configs()[0] start_ns = [] intensity = [] intensity_err = [] for step in myrun.steps(): #print('***',step_value(step),step_docstring(step)) attrlist=[] #dump(cfg, attrlist) mysum = [] for nevt,evt in enumerate(step.events()): mysum.append(np.sum(det.raw.image(evt)[sigroi])) start_ns.append(cfg.config.user.start_ns) intensity.append(np.mean(mysum)) intensity_err.append(np.std(mysum)/math.sqrt(nevt)) plt.errorbar(start_ns,intensity,yerr=intensity_err) plt.xlabel('start_ns') plt.ylabel('ROI Intensity Sum (keV)') plt.show()
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