def moveX(self, x):
""" whole ladm move horizontally and keep same Z distance from diff """
if ((x <= self.__lowlimX) or (x >= self.__hilimX)):
logprint("Asked to move %s (pv %s) outside limit, aborting" %
(self.XT.name, self.XT.pvname),
print_screen=1)
else:
try:
x1 = xTox12(x)
x2 = xTox12(x)
z = xToz(x)
z_now = self.z.wm()
if z > z_now:
print 'moving z to %+4.f\n' % z
self.z.mv(z)
self.z.wait()
print 'moving x1 to %+4.f and x2 to %.4f\n' % (x1, x2)
self.x1.mv(x1)
self.x2.mv(x2)
else:
print 'moving x1 to %+4.f and x2 to %.4f\n' % (x1, x2)
self.x1.mv(x1)
self.x2.mv(x2)
self.x1.wait()
self.x2.wait()
print 'moving z to %+4.f\n' % z
self.z.mv(z)
except KeyboardInterrupt:
self.stop()
def move_dial(self, value):
if (self.low_dial_lim is not None):
check_low = (value >= self.low_dial_lim)
else:
check_low = True
if (self.high_dial_lim is not None):
check_high = (value <= self.high_dial_lim)
else:
check_high = True
check = check_low and check_high
if (not check):
logprint(
"Asked to move %s (pv %s) to dial %f that is outside limits, aborting"
% (self.name, self.pvname, value),
print_screen=1)
else:
self._join_thread()
if not self._unattended:
self._move_dial(value)
if self.pvpos is not None:
self._movethread = PycaThread(
target=self.__wait_and_update_user_PV)
self._movethread.start()
else:
self.wm()
else:
self._movethread = PycaThread(
target=self._move_dial_and_update_user_PV, args=(value, ))
self._movethread.start()
def trip(self, value=None):
""" Sets or Returns the gauge trip point for the vacuum PLC """
previous_trip = Pv.get(self.__pstatsprbck)
if (value is not None):
Pv.put(self.__pstatspdes, value)
s = "Resetting PLC trip point of `%s` from %.4g to %.4g" % (
self.name, previous_trip, value)
logprint(s, print_screen=True)
else:
print "%s trip point is %.4g" % (self.name, previous_trip)
def setE(self, E=None):
""" set the energy (in keV) for calculation of transmission
if called without parameter, it reads the value from the
machine """
if (E is None):
Pv.put('SATT:FEE1:320:EACT.SCAN', '1 second')
else:
Pv.put('SATT:FEE1:320:EACT.SCAN', 'Passive')
Pv.put('SATT:FEE1:320:EDES', E * 1e3)
self.__E_pv.wait_until_change()
logprint(
"lusiatt: setting energy for transmission calculation to %.3f keV"
% self.__E)
return self.__E
def create_ami(self, type):
try:
if type == "Scalar":
if self.__filter_string is None:
self.pyamiE = pyami.Entry(self.aminame, "Scalar")
else:
self.pyamiE = pyami.Entry(self.aminame, "Scalar",
self.__filter_string)
elif type == "SingleImage":
self.pyamiE = pyami.Entry(det_id=self.aminame,
channel=self.channel,
op='single')
else:
self.pyamiE = pyami.Entry(self.aminame, self.channel)
except RuntimeError:
s = "detector %s cannot be found" % self.name
logprint(s, print_screen=True)
self.pyamiE = None
def setE(self, E=None, use3rd=False):
""" set the energy (in keV) for calculation of transmission
if called without parameter, it reads the value from the
machine """
if ( E is None ):
self.put_par("Eget", "1 second", wait=True)
# wait for the changes to propogate through the sequence
self.wait_par('EU1st')
self.wait_par('E1st')
self.use3rd = False
logprint("lusiatt: setting energy for transmission calculation to %.3f keV" % self.__E)
return self.__E
else:
if use3rd:
self.__E3 = E
else:
self.__E = E
logprint("lusiatt: setting energy for transmission calculation to %.3f keV" % E)
return E
def dial_delay_new(self,value=None):
'''Seems to do exactly the same as dial_delay. Not sure what the difference is and cant be bothered now'''
if (value is None):
return Pv.get(self.__pv_angleshift_rbv)*1e-15
else:
m = laserDict[self.bll]["m"]
M = laserDict[self.bll]["M"]
if ( (value<m) or (value>M) ):
logprint("Phase shifter has a range (%.2e,%.2e), asked for %.3e, aborting" % (m,M,value),print_screen=True)
return
self.__desired_value = value
if abs(Pv.get(self.__pv_angleshift_rbv)*1e-15-value)>laserDict[self.bll]["eps1"]:
self.lowgain()
Pv.put(self.__pv_angleshift,int(value*1e15))
self.wait()
self.higain()
else:
Pv.put(self.__pv_angleshift,int(value*1e15))
return
def dial_delay(self,value=None):
'''Reads or writes directly to the angle shift pv. This does not use the offset.
usage: dial_delay(): read pack the angle shift pv
dial_delay(value): writes to the angle shift variable, and toggles gain to get new value fast.
'''
if (value is None):
return Pv.get(self.__pv_angleshift_rbv)*1e-15
else:
m = laserDict[self.bll]["m"]
M = laserDict[self.bll]["M"]
if ( (value<m) or (value>M) ):
logprint("Phase shifter has a range (%.2e,%.2e), asked for %.3e, aborting" % (m,M,value),print_screen=True)
return
self.__desired_value = value
if abs(Pv.get(self.__pv_angleshift_rbv)*1e-15-value)>laserDict[self.bll]["eps1"]:
self.lowgain()
Pv.put(self.__pv_angleshift,int(value*1e15))
self.wait()
self.higain()
else:
Pv.put(self.__pv_angleshift,int(value*1e15))
return
def __E_callback(self, err):
""" callback sets the energy in keV from monitor IOC Pv"""
if err is None:
self.__E = self.__E_pv.value / 1e3
else:
logprint("error getting fee attenuator ioc energy: %s" % err)