class ScalerDetector(DetectorMixin):
"""Scaler Detector"""
trigger_suffix = ".CNT"
def __init__(self, prefix, nchan=8, use_calc=True, mode="scaler", rois=None, **kws):
DetectorMixin.__init__(self, prefix, **kws)
nchan = int(nchan)
self.scaler = Scaler(prefix, nchan=nchan)
self._counter = ScalerCounter(prefix, nchan=nchan, use_calc=use_calc)
self.dwelltime_pv = get_pv("%s.TP" % prefix)
self.dwelltime = None
self.mode = mode
self.counters = self._counter.counters
self.extra_pvs = [("Scaler.frequency", "%s.FREQ" % prefix), ("Scaler.read_delay", "%s.DLY" % prefix)]
self._repr_extra = ", nchans=%i, use_calc=%s" % (nchan, repr(use_calc))
self.extra_pvs.extend(self._counter.extra_pvs)
def pre_scan(self, **kws):
"run just prior to scan"
self.ScalerMode(dwelltime=self.dwelltime)
def post_scan(self, **kws):
"run just after scan"
self.ContinuousMode()
def ScalerMode(self, dwelltime=1.0, numframes=1, **kws):
"set to scaler mode, for step scanning"
if dwelltime is not None:
self.scaler.CountTime(dwelltime)
return self.scaler.OneShotMode()
def ContinuousMode(self, dwelltime=None, numframes=None, **kws):
"set to continuous mode"
if dwelltime is not None:
self.scaler.CountTime(dwelltime)
return self.scaler.AutoCountMode()
def arm(self, mode=None, wait=False):
"arm detector, ready to collect with optional mode"
self.scaler.OneShotMode()
def start(self, mode=None, arm=False, wait=False):
"start detector, optionally arming and waiting"
if arm:
self.arm(mode=mode)
self.scaler.Count(wait=wait)
def stop(self, mode=None, disarm=False, wait=False):
"stop detector, optionally disarming and waiting"
self.scaler.put("CNT", 0, wait=wait)
if disarm:
self.disarm(mode=mode)
def __init__(self, prefix, nchan=8, use_calc=True, **kws):
DetectorMixin.__init__(self, prefix, **kws)
nchan = int(nchan)
self.scaler = Scaler(prefix, nchan=nchan)
self._counter = ScalerCounter(prefix, nchan=nchan, use_calc=use_calc)
self.dwelltime_pv = get_pv('%s.TP' % prefix)
self.dwelltime = None
self.counters = self._counter.counters
self.extra_pvs = [('Scaler.frequency', '%s.FREQ' % prefix),
('Scaler.read_delay', '%s.DLY' % prefix)]
self._repr_extra = ', nchans=%i, use_calc=%s' % (nchan, repr(use_calc))
self.extra_pvs.extend(self._counter.extra_pvs)
def __init__(self, prefix, nchan=8, use_calc=True, mode="scaler", rois=None, **kws):
DetectorMixin.__init__(self, prefix, **kws)
nchan = int(nchan)
self.scaler = Scaler(prefix, nchan=nchan)
self._counter = ScalerCounter(prefix, nchan=nchan, use_calc=use_calc)
self.dwelltime_pv = get_pv("%s.TP" % prefix)
self.dwelltime = None
self.mode = mode
self.counters = self._counter.counters
self.extra_pvs = [("Scaler.frequency", "%s.FREQ" % prefix), ("Scaler.read_delay", "%s.DLY" % prefix)]
self._repr_extra = ", nchans=%i, use_calc=%s" % (nchan, repr(use_calc))
self.extra_pvs.extend(self._counter.extra_pvs)
class XTetrAMMSDetector(DetectorMixin):
trigger_suffix = 'Acquire'
def __init__(self, prefix, nchan=8, use_calc=True, **kws):
DetectorMixin.__init__(self, prefix, **kws)
nchan = int(nchan)
self.scaler = Scaler(prefix, nchan=nchan)
self._counter = ScalerCounter(prefix, nchan=nchan, use_calc=use_calc)
self.dwelltime_pv = get_pv('%s.TP' % prefix)
self.dwelltime = None
self.counters = self._counter.counters
self.extra_pvs = [('Scaler.frequency', '%s.FREQ' % prefix),
('Scaler.read_delay', '%s.DLY' % prefix)]
self._repr_extra = ', nchans=%i, use_calc=%s' % (nchan, repr(use_calc))
self.extra_pvs.extend(self._counter.extra_pvs)
def pre_scan(self, **kws):
self.scaler.OneShotMode()
if self.dwelltime is not None and isinstance(self.dwelltime_pv, PV):
self.dwelltime_pv.put(self.dwelltime)
def post_scan(self, **kws):
self.scaler.AutoCountMode()
def __init__(self, prefix, nchan=8, use_calc=True,
mode='scaler', rois=None,**kws):
DetectorMixin.__init__(self, prefix, **kws)
nchan = int(nchan)
self.scaler = Scaler(prefix, nchan=nchan)
self._counter = ScalerCounter(prefix, nchan=nchan,
use_calc=use_calc)
self.dwelltime_pv = get_pv('%s.TP' % prefix)
self.dwelltime = None
self.mode = mode
self.counters = self._counter.counters
self.extra_pvs = [('Scaler.frequency', '%s.FREQ' % prefix),
('Scaler.read_delay', '%s.DLY' % prefix)]
self._repr_extra = ', nchans=%i, use_calc=%s' % (nchan,
repr(use_calc))
self.extra_pvs.extend(self._counter.extra_pvs)
class ScalerDetector(DetectorMixin):
"""Scaler Detector"""
trigger_suffix = '.CNT'
def __init__(self, prefix, nchan=8, use_calc=True,
mode='scaler', rois=None,**kws):
DetectorMixin.__init__(self, prefix, **kws)
nchan = int(nchan)
self.scaler = Scaler(prefix, nchan=nchan)
self._counter = ScalerCounter(prefix, nchan=nchan,
use_calc=use_calc)
self.dwelltime_pv = get_pv('%s.TP' % prefix)
self.dwelltime = None
self.mode = mode
self.counters = self._counter.counters
self.extra_pvs = [('Scaler.frequency', '%s.FREQ' % prefix),
('Scaler.read_delay', '%s.DLY' % prefix)]
self._repr_extra = ', nchans=%i, use_calc=%s' % (nchan,
repr(use_calc))
self.extra_pvs.extend(self._counter.extra_pvs)
def pre_scan(self, **kws):
"run just prior to scan"
self.ScalerMode(dwelltime=self.dwelltime)
def post_scan(self, **kws):
"run just after scan"
self.ContinuousMode()
def ScalerMode(self, dwelltime=1.0, numframes=1, **kws):
"set to scaler mode, for step scanning"
if dwelltime is not None:
self.scaler.CountTime(dwelltime)
return self.scaler.put('CONT', 0, wait=True)
def ContinuousMode(self, dwelltime=None, numframes=None, **kws):
"set to continuous mode"
if dwelltime is not None:
self.scaler.CountTime(dwelltime)
return self.scaler.AutoCountMode()
def arm(self, mode=None, wait=True, fnum=None, **kws):
"arm detector, ready to collect with optional mode"
self.scaler.put('CONT', 0, wait=True)
if wait:
time.sleep(self.arm_delay)
def start(self, mode=None, arm=False, wait=True):
"start detector, optionally arming and waiting"
if arm:
self.arm(mode=mode)
self.scaler.Count(wait=wait)
if wait:
time.sleep(self.start_delay)
def stop(self, mode=None, disarm=False, wait=False):
"stop detector, optionally disarming and waiting"
self.scaler.put('CNT', 0, wait=wait)
if disarm:
self.disarm(mode=mode)
def config_filesaver(self, **kws):
"configure filesaver"
pass
def __init__(self, parent):
"""
generated sscan_gui_autogenerated file use wxFormBuilder V3.4-Beta
"""
sscan_gui_autogenerated.MainFrame.__init__(self, parent)
# save e0 value
self.e0 = 0.0
self.eNow = 0.0
self.e0EdgeEnergy = 7112.0
self.xEnergy = []
self.yTrans = []
# for each panels to display spectra, generate a graphics canvas object
self.make_canvas('canvasTrans', self.m_plotTrans)
self.make_canvas('canvasFluo', self.m_plotFluo)
self.scan2 = Scan('lww:scan2') # scan record
self.scan2.add_callback('FAZE', self.scanUpdateCallBack) # monitor scan status
self.scan2.add_callback('PAUS', self.pauseCallBack) # state change PAUSE/RESUME button
self.scan2.add_callback('BUSY', self.scanBusyCallBack) # scanning or stop status
self.count = Scaler('BL10C:scaler1') # scaler record
self.count.add_callback('CNT', self.UpdateCountCallBack) # monitor current scan point
# make sense now energy PV for monitor current Energy, direct access to the DCM Energy
self.eNowPV = epics.PV(self.scan2.get('P1PV')+'.RBV', callback=self.eNowCallBack)
self.scanAbortPV = epics.PV("lww:AbortScans.PROC") # scan Abort PV
self.scanPositionerPV = epics.PV("mobiis:m2") # scan positioner(P1PV) PV
# update display from IOC values to GUI-----------------------------------------------------
self.m_totalScanPoint.SetLabel(str(self.scan2.NPTS)) # total scan point in IOC
self.m_currentScanPoint.SetLabel(str(self.scan2.current_point)) # current scan point in IOC
#-------------------- set Region names ---------------------
# Region Start names
self.m_PreEdgeStart.myName = "Pre-Edge"
self.m_XanesStart.myName = "XANES"
self.m_Xafs1Start.myName = "XAFS1"
self.m_Xafs2Start.myName = "XAFS2"
self.m_Xafs3Start.myName = "XAFS3"
self.m_Xafs4Start.myName = "XAFS4"
# Region Stop names
self.m_PreEdgeStop.myName = "Pre-Edge"
self.m_XanesStop.myName = "XANES"
self.m_Xafs1Stop.myName = "XAFS1"
self.m_Xafs2Stop.myName = "XAFS2"
self.m_Xafs3Stop.myName = "XAFS3"
self.m_Xafs4Stop.myName = "XAFS4"
# Region Step names
self.m_PreEdgeStep.myName = "Pre-Edge"
self.m_XanesStep.myName = "XANES"
self.m_Xafs1Step.myName = "XAFS1"
self.m_Xafs2Step.myName = "XAFS2"
self.m_Xafs3Step.myName = "XAFS3"
self.m_Xafs4Step.myName = "XAFS4"
# Region Npts names
self.m_PreEdgeNpts.myName = "Pre-Edge"
self.m_XanesNpts.myName = "XANES"
self.m_Xafs1Npts.myName = "XAFS1"
self.m_Xafs2Npts.myName = "XAFS2"
self.m_Xafs3Npts.myName = "XAFS3"
self.m_Xafs4Npts.myName = "XAFS4"
# Region Unit names
self.m_PreEdgeUnits.myName = "Pre-Edge"
self.m_XanesUnits.myName = "XANES"
self.m_Xafs1Units.myName = "XAFS1"
self.m_Xafs2Units.myName = "XAFS2"
self.m_Xafs3Units.myName = "XAFS3"
self.m_Xafs4Units.myName = "XAFS4"
# make region widgets
self.reg_settings = []
# append PreEdge Region items
self.reg_settings.append((self.m_PreEdgeStart, self.m_PreEdgeStop,
self.m_PreEdgeStep, self.m_PreEdgeNpts,
self.m_PreEdgeUnits))
# Append XANES Region items
self.reg_settings.append((self.m_XanesStart, self.m_XanesStop,
self.m_XanesStep, self.m_XanesNpts,
self.m_XanesUnits))
# Append XAFS1 Region items
self.reg_settings.append((self.m_Xafs1Start, self.m_Xafs1Stop,
self.m_Xafs1Step, self.m_Xafs1Npts,
self.m_Xafs1Units))
# Append XAFS2 Region items
self.reg_settings.append((self.m_Xafs2Start, self.m_Xafs2Stop,
self.m_Xafs2Step, self.m_Xafs2Npts,
self.m_Xafs2Units))
# Append XAFS3 Region items
self.reg_settings.append((self.m_Xafs3Start, self.m_Xafs3Stop,
self.m_Xafs3Step, self.m_Xafs3Npts,
self.m_Xafs3Units))
'''
# Append XAFS4 Region items
self.reg_settings.append((self.m_Xafs4Start, self.m_Xafs4Stop,
self.m_Xafs4Step, self.m_Xafs4Npts,
self.m_Xafs4Units))
'''
self.m_Xafs4Start.Disable()
self.m_Xafs4Stop.Disable()
self.m_Xafs4Step.Disable()
self.m_Xafs4Npts.Disable()
self.m_Xafs4Time.Disable()
self.m_Xafs4Units.Disable()
class SscanBaseMainFrame(sscan_gui_autogenerated.MainFrame):
def __init__(self, parent):
"""
generated sscan_gui_autogenerated file use wxFormBuilder V3.4-Beta
"""
sscan_gui_autogenerated.MainFrame.__init__(self, parent)
# save e0 value
self.e0 = 0.0
self.eNow = 0.0
self.e0EdgeEnergy = 7112.0
self.xEnergy = []
self.yTrans = []
# for each panels to display spectra, generate a graphics canvas object
self.make_canvas('canvasTrans', self.m_plotTrans)
self.make_canvas('canvasFluo', self.m_plotFluo)
self.scan2 = Scan('lww:scan2') # scan record
self.scan2.add_callback('FAZE', self.scanUpdateCallBack) # monitor scan status
self.scan2.add_callback('PAUS', self.pauseCallBack) # state change PAUSE/RESUME button
self.scan2.add_callback('BUSY', self.scanBusyCallBack) # scanning or stop status
self.count = Scaler('BL10C:scaler1') # scaler record
self.count.add_callback('CNT', self.UpdateCountCallBack) # monitor current scan point
# make sense now energy PV for monitor current Energy, direct access to the DCM Energy
self.eNowPV = epics.PV(self.scan2.get('P1PV')+'.RBV', callback=self.eNowCallBack)
self.scanAbortPV = epics.PV("lww:AbortScans.PROC") # scan Abort PV
self.scanPositionerPV = epics.PV("mobiis:m2") # scan positioner(P1PV) PV
# update display from IOC values to GUI-----------------------------------------------------
self.m_totalScanPoint.SetLabel(str(self.scan2.NPTS)) # total scan point in IOC
self.m_currentScanPoint.SetLabel(str(self.scan2.current_point)) # current scan point in IOC
#-------------------- set Region names ---------------------
# Region Start names
self.m_PreEdgeStart.myName = "Pre-Edge"
self.m_XanesStart.myName = "XANES"
self.m_Xafs1Start.myName = "XAFS1"
self.m_Xafs2Start.myName = "XAFS2"
self.m_Xafs3Start.myName = "XAFS3"
self.m_Xafs4Start.myName = "XAFS4"
# Region Stop names
self.m_PreEdgeStop.myName = "Pre-Edge"
self.m_XanesStop.myName = "XANES"
self.m_Xafs1Stop.myName = "XAFS1"
self.m_Xafs2Stop.myName = "XAFS2"
self.m_Xafs3Stop.myName = "XAFS3"
self.m_Xafs4Stop.myName = "XAFS4"
# Region Step names
self.m_PreEdgeStep.myName = "Pre-Edge"
self.m_XanesStep.myName = "XANES"
self.m_Xafs1Step.myName = "XAFS1"
self.m_Xafs2Step.myName = "XAFS2"
self.m_Xafs3Step.myName = "XAFS3"
self.m_Xafs4Step.myName = "XAFS4"
# Region Npts names
self.m_PreEdgeNpts.myName = "Pre-Edge"
self.m_XanesNpts.myName = "XANES"
self.m_Xafs1Npts.myName = "XAFS1"
self.m_Xafs2Npts.myName = "XAFS2"
self.m_Xafs3Npts.myName = "XAFS3"
self.m_Xafs4Npts.myName = "XAFS4"
# Region Unit names
self.m_PreEdgeUnits.myName = "Pre-Edge"
self.m_XanesUnits.myName = "XANES"
self.m_Xafs1Units.myName = "XAFS1"
self.m_Xafs2Units.myName = "XAFS2"
self.m_Xafs3Units.myName = "XAFS3"
self.m_Xafs4Units.myName = "XAFS4"
# make region widgets
self.reg_settings = []
# append PreEdge Region items
self.reg_settings.append((self.m_PreEdgeStart, self.m_PreEdgeStop,
self.m_PreEdgeStep, self.m_PreEdgeNpts,
self.m_PreEdgeUnits))
# Append XANES Region items
self.reg_settings.append((self.m_XanesStart, self.m_XanesStop,
self.m_XanesStep, self.m_XanesNpts,
self.m_XanesUnits))
# Append XAFS1 Region items
self.reg_settings.append((self.m_Xafs1Start, self.m_Xafs1Stop,
self.m_Xafs1Step, self.m_Xafs1Npts,
self.m_Xafs1Units))
# Append XAFS2 Region items
self.reg_settings.append((self.m_Xafs2Start, self.m_Xafs2Stop,
self.m_Xafs2Step, self.m_Xafs2Npts,
self.m_Xafs2Units))
# Append XAFS3 Region items
self.reg_settings.append((self.m_Xafs3Start, self.m_Xafs3Stop,
self.m_Xafs3Step, self.m_Xafs3Npts,
self.m_Xafs3Units))
'''
# Append XAFS4 Region items
self.reg_settings.append((self.m_Xafs4Start, self.m_Xafs4Stop,
self.m_Xafs4Step, self.m_Xafs4Npts,
self.m_Xafs4Units))
'''
self.m_Xafs4Start.Disable()
self.m_Xafs4Stop.Disable()
self.m_Xafs4Step.Disable()
self.m_Xafs4Npts.Disable()
self.m_Xafs4Time.Disable()
self.m_Xafs4Units.Disable()
def StartScan(self, event):
"""
Generate xafs step scan positions(P1PA) and START scan
"""
self.e0EdgeEnergy = float(self.m_SetEdgeEnergy.Value)
self.scanPosGen(self.e0EdgeEnergy, self.reg_settings)
self.scan2._print()
# we need DCM pre postion set to -200[eV] before scan start(e0-startE-200ev)
prePosition = ((self.e0EdgeEnergy-abs(float(self.m_PreEdgeStart.Value))) / 1000.)-0.2
self.scanPositionerPV.put(value=prePosition, use_complete=True)
# set expouse time to scaler
self.count.CountTime(float(self.m_setCountTime.Value))
self.scan2.run(wait=True)
self.m_totalScanPoint.SetLabel(str(self.scan2.NPTS))
self.xEnergy = []
self.yTrans = []
return
def PauseScan(self, event):
self.scan2.PAUS = 1 # set PAUSE
return
def ResumeScan(self, event):
self.scan2.PAUS = 0 # set RESUME
return
def AbortScan(self, event):
self.scanAbortPV.put(1)
return
def OnChoiceElement(self, event):
tempEdgeEnergy = ELEM_DICT[self.m_choiceElement.GetStringSelection()]
self.m_SetEdgeEnergy.SetValue(str(tempEdgeEnergy))
self.e0 = tempEdgeEnergy
return
def enterE0(self, event):
self.e0 = float(self.m_SetEdgeEnergy.Value)
for key, element in ELEM_DICT.items():
if self.e0 == float(element):
self.m_choiceElement.SetStringSelection(key)
return
#
# Region of Interest event(Start/Stop/Step/Npts/Time/Units)
#
def onStart(self, event):
rowKey = event.GetEventObject().myName
self.onVal(self, index=ROW_FIND.get(rowKey), label='start',
value=unicode(event.GetEventObject().Value))
return
def onStop(self, event):
rowKey = event.GetEventObject().myName
self.onVal(self, index=ROW_FIND.get(rowKey), label='stop',
value=unicode(event.GetEventObject().Value))
return
def onStep(self, event):
rowKey = event.GetEventObject().myName
self.onVal(self, index=ROW_FIND.get(rowKey), label='step',
value=unicode(event.GetEventObject().Value))
return
def onNpts(self, event):
rowKey = event.GetEventObject().myName
self.onVal(self, index=ROW_FIND.get(rowKey), label='npts',
value=unicode(event.GetEventObject().Value))
return
def onUnits(self, event):
rowKey = event.GetEventObject().myName
index = ROW_FIND.get(rowKey)
wids = self.reg_settings[index]
self.setStepNpts(wids, label='units')
return
def OnSize_TransCanvas(self, event):
size = self.m_plotTrans.GetSize()
self.canvasTrans.SetSize(size)
def pauseCallBack(self, **kwargs):
if kwargs['char_value'] == 'PAUSE':
self.pause_button.Disable()
self.resume_button.Enable()
else:
self.pause_button.Enable()
self.resume_button.Disable()
def scanBusyCallBack(self, **kwargs):
if kwargs['value'] == 1:
self.pause_button.Enable()
self.resume_button.Disable()
self.scan_button.Disable()
elif kwargs['value'] == 0: # scan DONE! or Aborted!
# Todo: we need DCM move to e0 position after scan DONE or IDLE
# ddd = self.e0EdgeEnergy / 1000.0
# self.scanPositionerPV.put(value=ddd, use_complete=True)
self.pause_button.Disable()
self.resume_button.Disable()
self.scan_button.Enable()
def scanUpdateCallBack(self, **kwargs):
"""
callback method, monitor sscan status
"""
mode = kwargs['char_value'] # current status of sscan record.
self.m_staticText3.LabelText = mode
if mode == "WAIT:DETCTRS":
self.m_staticText3.ForegroundColour = 'blue'
self.m_currentScanPoint.SetLabel(str(self.scan2.current_point))
elif mode == 'WAIT:MOTORS':
self.m_staticText3.ForegroundColour = 'red'
# Todo: we need DCM move to e0 position after scan DONE or IDLE
#if mode == "IDLE":
# ddd = self.e0EdgeEnergy / 1000.0
# self.scanPositionerPV.put(value=ddd) # , use_complete=True)
#else:
# self.m_staticText3.ForegroundColour = 'black'
def eNowCallBack(self, **kwargs):
"""
callback for now energy display from DCM
read current energy from DCM. display now energy [eV] unit to GUI
"""
tempEnow = 1000.0 * float(kwargs['value'])
self.eNow = tempEnow
self.m_staticStatusGainE.LabelText = unicode("%5.2f") % tempEnow
return
def UpdateCountCallBack(self, **kwargs):
"""
callback method, display counter values(scaler1_calc(s) value)
:param kwargs:
:return:
"""
if kwargs['value'] == 0:
temp = self.count.Read(use_calc=True)
self.m_staticStatusCountIo.LabelText = str(temp[1]) # Io count
self.m_staticStatusCountIf.LabelText = str(temp[2]) # If count
self.m_staticStatusCountIt.LabelText = str(temp[3]) # It count
#self.m_staticStatusCountIr.LabelText = str(temp[4]) # Ir count
self.m_staticStatusCountIr.LabelText = str(round(temp[7], 5)) # Ir count
energyTemp = self.eNow - self.e0EdgeEnergy
self.xEnergy.append(energyTemp)
TransTemp = round(temp[7], 4)
self.yTrans.append(TransTemp)
# transmittance plot
canvasID=self.plotSpectrum(self.xEnergy, self.yTrans, 'E [eV]',
'Transmittance', self.canvasTrans)
self.canvasID_panelTrans = canvasID
def etok(self, energy):
return np.sqrt(energy/XAFS_K2E)
def ktoe(self, k):
return k*k*XAFS_K2E
def krange(self, start, stop, step):
i = 1
kstart = np.square((start + step) / k2e)
kstop = np.square(stop / k2e)
while(kstart < kstop):
yield kstart
i += 1
kstart = np.square((start + (i*step)) / k2e)
"""
Update Step/Npts on XAFS region GUI
"""
def setStepNpts(self, wids, label, fix_npts=False):
"""
Set step / npts for start/stop/step/npts/units list of widgets
"""
start = float(wids[0].GetValue()) # start
stop = float(wids[1].GetValue()) # stop
step = float(wids[2].GetValue()) # step
# read Units value eV or K
un = wids[4]
if hasattr(un, 'GetStringSelection'):
units = un.GetStringSelection()
else:
units = un.GetLabel()
if label == 'npts' or fix_npts:
npts = float(max(2, wids[3].GetValue())) # npts
else:
try:
if units == u'K': # [keV] units
kstop = abs(self.etok(stop))
kstart = abs(self.etok(start))
npts = len(list(self.krange(start=kstart, stop=kstop, step=abs(step))))
else: # [eV] units
npts = float(max(2, 1 + int(0.1 + abs(stop-start)/abs(step))))
except ZeroDivisionError:
npts = 3
if units == u'eV' or npts == 3:
wids[2].SetValue(unicode(round((stop-start)/(npts-1), 3))) # changed by LWW , act=False)
if not fix_npts:
try:
wids[3].SetValue(unicode(npts)) # changed by LWW , act=False)
except AttributeError:
pass
"""
Update XAFS region GUI values from user event
"""
def onVal(self, evt=None, index=0, label=None, value=None, **kws):
"""
XAFS onVal
"""
## if not self._initialized:
## return
wids = self.reg_settings[index]
e0_off = 0
if 0 == self.m_absRel.GetSelection(): # absolute
e0_off = self.m_SetEdgeEnergy.GetValue()
if label in ('start', 'stop', 'step', 'npts'):
self.setStepNpts(wids, label)
if label == 'stop' and index < len(self.reg_settings)-1:
self.reg_settings[index+1][0].SetValue(unicode(value)) # by LWW, act=False)
self.setStepNpts(self.reg_settings[index+1], label)
elif label == 'start' and index > 0:
self.reg_settings[index-1][1].SetValue(unicode(value)) # by LWW, act=False)
self.setStepNpts(self.reg_settings[index-1], label)
def scanPosGen(self, e0, regions):
"""
e0 = XAFS Edge Energy
regions = Region of Interest items
pre-edge(start/stop/step/npts(time)/units)
xanes(start/stop/step/npts(time)/units)
..... to XAFS4
Generation format :
eOut = scanPosGen(5989, [(-35, -5, 2, 1), (-5, 25, 0.1, 1), (25, 255, 2, 1)])
"""
eOut = []
reg = []
# Todo: we need find disable regions and not generate tuple or position
# generate region tuples
for wids in regions:
# wids[0]=start, wids[1]=stop, wids[2]=step, wids[3]=npts, wids[4]=units
reg.append((float(wids[0].GetValue()), float(wids[1].GetValue()),
float(wids[2].GetValue()), float(wids[3].GetValue()), wids[4]))
# generate all step position
for start, stop, step, npts, units in reg:
# get units and check unit fist
if hasattr(units, 'GetStringSelection'): # eV or keV
unitValue = units.GetStringSelection()
else:
unitValue = units.GetLabel() # eV only
if unitValue == u'K': # [keV] units
kstop = abs(self.etok(stop))
kstart = abs(self.etok(start))
tempEout = list(self.krange(start=kstart, stop=kstop, step=abs(step)))
for i in tempEout:
eOut.append(e0 + i)
else:
for ipt in range(int((stop-start) / step + 0.1)):
eOut.append(e0 + start + step * ipt)
#Todo: please erase P1PA values after put new values.
# self.scan2.table = eOut # write new position to scan2.P1PA
# DCM IOC need keV unit
self.scan2.table = list(np.divide(eOut, 1000.)) # write new position to scan2.P1PA
# set epics scan2.NPTS
self.scan2.npts = len(eOut)
# set epics scan2.P1SM (scan mode, 0=Linear, 1=Table, 2=Fly)
self.scan2.mode = 1
"""---------------------------------------------------------------------------------
Make canvs for PLOT PANEL
"""
def make_canvas(self, canvas_name, parent_panel):
"""
Create plot canvas for parent Panel and make it accessible as an attribute .canvas_name
:param canvas_name: string containing canvas/attribute name
:param parent_panel: parent wx.Panel for canvas
:return: canvas reference
"""
canvas = plot.PlotCanvas(parent_panel)
canvas.SetInitialSize(size=parent_panel.GetSize())
canvas.SetEnableZoom(True)
canvas.SetEnableGrid(True)
## canvas.SetEnableDrag(True)
canvas.SetGridColour('#CCCCCC')
canvas.Layout()
setattr(self, canvas_name, canvas)
return canvas
def plotSpectrum(self, x, y, xtitle, ytitle, canvas, moreYf=None, moreYr=None, vlines=None, vline_ymax=None):
"""
send list of (x/y) tuples to plot output in destination(here called "where")
:param x: x data(1st data)
:param y: y data
:param xtitle: x axis title
:param ytitle: y axis title
:param canvas: canvas object reference
:param moreYf: optional additional ydata serise(2nd data)
:param moreYr: another additional ydata serise(3rd data)
:param vlines: an list of x-coordinates to place vertical(green) lines
at extending over the current canvas
:param vline_ymax: if ylines are supplied, supplying this determines their max.
:return: ID of the canvas object drawn on(useful for clearing a canvas
from outside this function; needs XXX = wx.FindWindowById(canvasID)
at external point to find this canvas; then clear with XXX.Clear() )
"""
# clear corresponding canvas first
canvas.Clear()
# zip data arrays together into list of tuples (wx.plot requires tuples)
# then define "line" objects to carry the data into the plot
plotData = zip(x, y)
line = plot.PolyLine(plotData, colour='black', width=1)
maker = plot.PolyMarker(plotData, colour='black', width=0, size=1)
if moreYf is not None:
plotMoreData = zip(x, moreYf)
#moreLine = plot.PolyLine(plotMoreData, colour='blue', width=1)
moreLine = plot.PolyMarker(plotMoreData, colour='blue', width=1)
if moreYr is not None:
plotMoreData2 = zip(x, moreYr)
#moreLine2 = plot.PolyLine(plotMoreData2, colour='green', width=1)
moreLine2 = plot.PolyMarker(plotMoreData2, colour='green', width=1)
serise = [line]
if moreYf is not None:
serise.append(moreLine)
if moreYr is not None:
serise.append(moreLine2)
if vlines is not None:
# Now just plot somthing to ensure that autoscaling show the full range
#line = plot.PolyLine([(0,1), (self.det.detector_data.mca_bins-1, 1)],
# solour='white', widt=1)
line = plot.PolyMarker([(0,1), (self.det.detector_data.mca_bins-1, 1)],
solour='white', widt=1)
serise.append(line)
# plot ROI range limit lines
ymax = canvas.ClientSize[1]
if vline_ymax is not None:
canvas.SetYSpec('min')
ymax = vline_ymax
for x in vlines:
#line_x = plot.PolyLine([(x,1), (x,ymax)], colour='green', width=1)
line_x = plot.PolyMarker([(x,1), (x,ymax)], colour='green', width=1)
serise.append(line_x)
serise.append(maker)
gc = plot.PlotGraphics(serise, '', xtitle, ytitle)
canvas.Draw(gc)
return canvas.GetId()