100 lines
2.7 KiB
Python
100 lines
2.7 KiB
Python
# Tool to align the solenoid on the gun.
|
|
# S. Bettoni, A. Gobbo, D. Voulot
|
|
# 06/06/2016
|
|
|
|
|
|
# Procedure:
|
|
# switch off all the magnets between the gun solenoid and the screen or BPM used for the measurement
|
|
# change the current of the gun soleoid
|
|
# look at the centroid position (BPM or screen) downstream of the gun.
|
|
|
|
I_set = Channel("SINEG01-MSOL130:I-SET", alias = "I_set");
|
|
I_get = Channel("SINEG01-MSOL130:I-READ", alias = "I_get")
|
|
# cam_x, cam_y = ... # some camtool command / channel?
|
|
bpm_x = Channel("SINEG01-DBPM340:X1")
|
|
bpm_y = Channel("SINEG01-DBPM340:Y1")
|
|
|
|
cam_x = Channel("SINEG01-DSCR190:profile.X_stats.com", alias = "cam_x")
|
|
cam_y = Channel("SINEG01-DSCR190:profile.Y_stats.com", alias = "cam_y")
|
|
cam_raw_data = Channel("SINEG01-DSCR190:data")
|
|
|
|
|
|
class CameraImage(ReadableMatrix):
|
|
def read(self):
|
|
raw = cam_raw_data.read()
|
|
ret = []
|
|
for i in range (self.getHeight()):
|
|
ret.append(raw[i*self.getWidth() : (i+1)*self.getWidth()])
|
|
return ret
|
|
|
|
def getWidth(self):
|
|
return 640
|
|
|
|
def getHeight(self):
|
|
return 480
|
|
|
|
cam_img = CameraImage()
|
|
|
|
|
|
def ccr(mag):
|
|
n = 1
|
|
while n > 0:
|
|
sleep(0.5)
|
|
n = caget(mag + ":I-COMP")
|
|
def laser_on():
|
|
caput("SIN-TIMAST-TMA:Beam-Las-Delay-Sel", 0)
|
|
|
|
def laser_off():
|
|
caput("SIN-TIMAST-TMA:Beam-Las-Delay-Sel", 1)
|
|
|
|
|
|
def run_pipeline():
|
|
caput("camtool...:start")
|
|
|
|
while !caget("camtool...:done"):
|
|
sleep(0.1)
|
|
|
|
caget("camtool....:data")
|
|
#caget("camtool....:X_stats.com")
|
|
#caget("camtool....:X_stats.com")
|
|
|
|
|
|
I1 = 20.0
|
|
I2 = 150.0
|
|
dI = 1.0
|
|
settling_time = 0.0
|
|
|
|
# Switch off magnets
|
|
mag = [ "SINEG01-MCRX120","SINEG01-MCRY120",
|
|
"SINEG01-MQUA140",
|
|
"SINEG01-MQUA150",
|
|
"SINEG01-MCRX160","SINEG01-MCRY160",
|
|
"SINEG01-MCRX180","SINEG01-MCRY180",
|
|
"SINEG01-MCRX200","SINEG01-MCRY200",
|
|
"SINEG01-MCRX220","SINEG01-MCRY220",
|
|
"SINEG01-MQUA310",
|
|
"SINEG01-MQUA320" ]
|
|
for m in mag:
|
|
caput(m + ":I-SET", 0.0)
|
|
#for m in mag:
|
|
# ccr(m)
|
|
|
|
laser_on()
|
|
# Scan using the screen
|
|
#r = lscan(I_set, [I_read, cam_x, cam_y], I1, I2, dI, 1.0, passes = 2, zigzag = True)
|
|
# Scan using the BPM
|
|
try:
|
|
#r = lscan(I_set, [I_get, cam_x, cam_y], I1, I2, dI, 1.0, before_read = ccr)
|
|
r = lscan(I_set, [I_get, cam_x, cam_y, cam_img], I1, I2, dI, settling_time)
|
|
finally:
|
|
laser_off()
|
|
|
|
# take the result of the scan and do the plots
|
|
p = plot(r.getReadable(2), xdata=r.getReadable(1), title = "Centroid excursion")[0]
|
|
|
|
# save the entry in the logbook
|
|
msg = str(r)
|
|
msg = msg + "\nFile: " + get_context().path
|
|
#msg = msg + "\n\n" + r.print()
|
|
#elog("Gun solenoid current scan", msg , get_plot_snapshots())
|