def setInitHall(init_hall=0):
b0_hall = GetHall(dipole_pair[0])
b1_hall = GetHall(dipole_pair[1])
overshoot_margin = 0.001
print("Beginning initializing dipoles...")
while ((b0_hall - init_hall) < overshoot_margin
or (b1_hall - init_hall) < overshoot_margin):
diff = max(abs(b0_hall - init_hall), abs(b1_hall - init_hall))
b0_i = GetMagnet(dipole_pair[0])
dI = 0.02
if (diff >= 0.001):
dI = 0.1
elif (diff > 0.00005):
dI = 0.01
# change b0 and compare
SetMagnet(dipole_pair[0], b0_i + dI)
#saving the new actual hall value
sleep(3)
b0_hall = GetHall(dipole_pair[0])
SetMagnet(dipole_pair[1], b0_i + dI)
b1_hall = GetHall(dipole_pair[1])
print(f"Fields: {b0_hall:.6f}, {b1_hall:.6f}")
time1 = CycleMagnet(dipole_pair[0])
time2 = CycleMagnet(dipole_pair[1])
sleep(np.max([time1, time2]) + 30)
cont = input("Once magnets have settled, enter 'y' to continue...")
if (cont != 'y'):
print("Exiting...")
exit()
print("Magnets cycled above initial Hall values.")
while (abs(b0_hall - init_hall) > dHall):
diff = abs(b0_hall - init_hall)
dI = 0.02
#this takes too long if they're really far so I'm gona add this for now
if (diff >= 0.001):
dI = 0.1
elif (diff > 0.00005):
dI = 0.01
b0_i = GetMagnet(dipole_pair[0])
if (b0_hall > init_hall):
# change b0 and compare
SetMagnet(dipole_pair[0], b0_i - dI)
#saving the new actual hall value
sleep(3)
b0_hall = GetHall(dipole_pair[0])
print("B0 set to initial value.")
matchHall()
def matchNMR():
''' Matches the NMR fields by lowering the highest current between B1 and B2 slowly until criteria is met '''
print("Getting the starting NMR probe values...")
#saving the new actual nmr value
#b1
caput(set_probe, b1_probe)
sleep(13)
b1_nmr_h = caget(tlm_reading)
#b2
caput(set_probe, b2_probe)
sleep(13)
b2_nmr_h = caget(tlm_reading)
#using the nmr readback and the i_cset, slowly ramp down as you check that the nmrs are close
dNMR = 0.00001
print("Beginning matching...")
while (abs(b1_nmr_h - b2_nmr_h) > dNMR):
diff = abs(b1_nmr_h - b2_nmr_h)
dI = 0.001
#this takes too long if they're really far so I'm gona add this for now
if (diff >= 0.001):
dI = 0.1
elif (diff > 0.00005):
dI = 0.02 # Changed from 0.01 since this is sometimes the difference between set and RD
b1_i = GetMagnet('b1')
b2_i = GetMagnet('b2')
if (b1_nmr_h > b2_nmr_h):
caput(set_probe, b1_probe)
#decrease b1_nmr_h in small steps until it is dNMR off from b2
# change b1 and compare
SetMagnet('b1', b1_i - dI)
#saving the new actual nmr value
sleep(3)
b1_nmr_h = caget(tlm_reading)
elif (b1_nmr_h < b2_nmr_h):
#go in opposite direction
caput(set_probe, b2_probe)
# change b2 and compare
SetMagnet('b2', b2_i - dI)
#saving the new actual nmr value
sleep(3)
b2_nmr_h = caget(tlm_reading)
print(
f"Fields: {b1_nmr_h:.6f}, {b2_nmr_h:.6f}, dNMR: {((b1_nmr_h - b2_nmr_h)/b1_nmr_h*100):.5f}%"
)
print("Done matching NMR values.")
def matchHall():
b0_hall = GetHall(dipole_pair[0])
b1_hall = GetHall(dipole_pair[1])
print("Beginning matching...")
while (abs(b0_hall - b1_hall) > dHall):
diff = abs(b0_hall - b1_hall)
dI = 0.02
'''
#this takes too long if they're really far so I'm gona add this for now
if (diff >= 0.001):
dI = 0.1
elif (diff > 0.00005):
dI = 0.01
'''
b0_i = GetMagnet(dipole_pair[0])
b1_i = GetMagnet(dipole_pair[1])
if (b0_hall > b1_hall):
# change b0 and compare
SetMagnet(dipole_pair[0], b0_i - dI)
#saving the new actual hall value
sleep(3)
b0_hall = GetHall(dipole_pair[0])
elif (b0_hall < b1_hall):
# change b1 and compare
SetMagnet(dipole_pair[1], b1_i - dI)
#saving the new actual hall value
sleep(3)
b1_hall = GetHall(dipole_pair[1])
print(
f"Fields: {b0_hall:.6f}, {b1_hall:.6f}, dHall: {((b0_hall - b1_hall)/b0_hall*100):.5f}%"
)
print("Done matching Hall values.")
while (cont == 'y'):
if sandbox != 'y':
#import current state
#Get initial quad values
#~ q1_init, q2_init, q3_init, q4_init= GetQuads()
#Tuning Q1 and Q2
#take picture with all at init values
#~ SetQuads(q1_init, q2_init, q3_init, q4_init)
#~ sleep(10)
all_nom_im = SaveIm('allNom', viewer)
sleep(2)
#take picture with q1 *1/2, q2 nom
SetMagnet(quad_pair[0], q0_init / 2)
SetMagnet(quad_pair[1], q1_init)
pos_1 = GetBeamPos(all_nom_im, viewer)
pk_1 = pos_1[2] # CHANGED FROM 6 BY F. MONTES
if (count_iter == 0):
init_peak = pk_1
if (count_iter > 0 and pk_1 < init_peak * 0.05):
print("Beam off viewer. Skipping iteration.")
distance = 1000
else:
sleep(
5
) #might need to increase this if the jumps in current are big
def scanDipoles(b_small, b_big):
#set number of steps (from previous experience scanning although might need adjustments)
bs_stepsize = small_step
bb_stepsize = big_step
#initial nominal quad values
q0_init, q1_init = GetMagnet(quad_pair[0]), GetMagnet(quad_pair[1])
#q2_init = GetMagnet("q11")
for i in range(total_steps):
print(f"Step {i+1} out of {total_steps} large steps.")
#get initial current of dipoles
bs_init = GetMagnet(b_small)
bb_init = GetMagnet(b_big)
for j in range(0,
int(bb_stepsize / bs_stepsize) + extra_small_step
): ## ADDED TWO MORE STEPS FOR THE FIELDS TO OVERLAP
#changing quads and taking pictures at 4 tunes
#take picture with all at init values
all_nom_im = SaveIm('allNom', viewer)
#take picture with q11 nom, q12 7/6
# SetMagnet(quad_pair[0], q0_init)
SetMagnet(quad_pair[0], 40)
SetMagnet(quad_pair[1], q1_init)
#SetMagnet("q11", q2_init)
pos_1 = GetBeamPos(all_nom_im, viewer)
sleep(
5
) #might need to increase this if the jumps in current are big
all_zero_im = SaveIm('Q11_40', viewer)
#take picture with q11 8/10 and q12 nom
SetMagnet(quad_pair[0], q0_init)
# SetMagnet(quad_pair[1], q1_init-17)
SetMagnet(quad_pair[1], 20)
#SetMagnet("q11", q2_init)
pos_2 = GetBeamPos(all_zero_im, viewer)
sleep(5)
q0_half_im = SaveIm('Q13_20', viewer)
#take picture with q11 *3/4, and q12 *11/12
SetMagnet(quad_pair[0], 52)
SetMagnet(quad_pair[1], 35)
#SetMagnet("q11", 40)
pos_3 = GetBeamPos(q0_half_im, viewer)
sleep(5)
q01_half_im = SaveIm('Q11_52_Q13_35', viewer)
#return quads to original values
SetMagnet(quad_pair[0], q0_init)
SetMagnet(quad_pair[1], q1_init)
#SetMagnet("q11", q2_init)
pos_4 = GetBeamPos(q01_half_im, viewer)
#peak/intensity
#pk_1 = pos_1[2:]
#pk_2 = pos_2[2:]
#pk_3 = pos_3[2:]
#pk_4 = pos_4[2:]
#centroid positions
pos_1 = pos_1[0:2]
pos_2 = pos_2[0:2]
pos_3 = pos_3[0:2]
pos_4 = pos_4[0:2]
#get quadratic distance from centroids
print(
f"Centroids:\n({pos_1[0]:.2f}, {pos_1[1]:.2f})\n({pos_2[0]:.2f}, {pos_2[1]:.2f})\n({pos_3[0]:.2f}, {pos_3[1]:.2f})\n({pos_4[0]:.2f}, {pos_4[1]:.2f})"
)
distance = Dist(pos_1, pos_2, pos_3, pos_4, True)[0]
print(f"Dist= {distance:.5f}")
bs_hall = GetHall(b_small)
bb_hall = GetHall(b_big)
bs_i = GetMagnet(b_small)
bb_i = GetMagnet(b_big)
#save i, hall values and distance to file
f = open(f"{b_small}_{b_big}_Distance_{timestring}.txt", "a+")
f.write(
f'{bs_i:.3f}\t{bb_i:.3f}\t{bs_hall:.7f}\t{bb_hall:.7f}\t{distance:.4f}\t{pos_1[0]:.4f}\t{all_nom_im}\n'
)
f.close()
#ramps down this magnet in small steps multiple of the large step
SetMagnet(b_small, bs_init - bs_stepsize * (j + 1))
#one magnet goes down 0.06 A, the other 0.02 A x 3
#SetMagnet( b_big, bb_init - bb_stepsize)
#####################
#if (abs(bs_hall - bb_hall) > dHall):
#if they are different, match again
matchHall()
#else:
bs_hall = GetHall(b_small)
bb_hall = GetHall(b_big)
print(
f"Fields: {bs_hall:.6f}, {bb_hall:.6f}, dHall: {((bs_hall - bb_hall)/bs_hall*100):.5f}%"
)
'''
#match Hall probe readings
matchHall()
#init_hall= float(input("What should the initial Hall value be?"))
#setInitHall(init_hall)
#get initial values to return two for second scan
b0_init = GetMagnet(dipole_pair[0])
b1_init = GetMagnet(dipole_pair[1])
scanDipoles(dipole_pair[0], dipole_pair[1])
print(f"Done with {dipole_pair[0]} scan.")
#reset dipoles to original currents and cycle
SetMagnet(dipole_pair[0], b0_init)
SetMagnet(dipole_pair[1], b1_init)
#cycle
time1 = CycleMagnet(dipole_pair[0])
time2 = CycleMagnet(dipole_pair[1])
sleep(np.max([time1, time2]))
print("Done cycling.")
cont = input("Once magnets have settled, enter 'y' to continue...")
if (cont != 'y'):
print("Exiting...")
exit()
#'''
def scanDipoles(b_small, b_big):
#set number of steps (from previous experience scanning although might need adjustments)
bs_stepsize = small_step
bb_stepsize = big_step
#initial nominal quad values
q0_init, q1_init = GetMagnet(quad_pair[0]), GetMagnet(quad_pair[1])
for i in range(total_steps):
print(f"Step {i+1} out of {total_steps} large steps.")
#get initial current of dipoles
bs_init = GetMagnet(b_small)
bb_init = GetMagnet(b_big)
#one magnet goes down 0.06 A, the other 0.02 A x 3
SetMagnet( b_big, bb_init - bb_stepsize)
for j in range(0, int(bb_stepsize/bs_stepsize)):
#ramps down this magnet in small steps multiple of the large step
SetMagnet( b_small, bs_init - bs_stepsize*(j+1))
sleep(5)
#changing quads and taking pictures at 4 tunes
#take picture with all at init values
all_nom_im= SaveIm('allNom', viewer)
#take picture with all at zero
SetMagnet(quad_pair[0], 0)
SetMagnet(quad_pair[1], 0)
pos_1= GetBeamPos(all_nom_im, viewer)
sleep(5) #might need to increase this if the jumps in current are big
all_zero_im= SaveIm('allZero', viewer)
#take picture with first quad at half
SetMagnet(quad_pair[0], q0_init/2)
pos_2= GetBeamPos(all_zero_im, viewer)
sleep(5)
q0_half_im= SaveIm('q0half', viewer)
#take picture with second quad at half
SetMagnet(quad_pair[1], q1_init/2)
pos_3= GetBeamPos(q0_half_im, viewer)
sleep(5)
q01_half_im= SaveIm('q01half', viewer)
#return quads to original values
SetMagnet(quad_pair[0], q0_init)
SetMagnet(quad_pair[1], q1_init)
pos_4= GetBeamPos(q01_half_im, viewer)
#peak/intensity
#pk_1 = pos_1[2:]
#pk_2 = pos_2[2:]
#pk_3 = pos_3[2:]
#pk_4 = pos_4[2:]
#centroid positions
pos_1 = pos_1[0:2]
pos_2 = pos_2[0:2]
pos_3 = pos_3[0:2]
pos_4 = pos_4[0:2]
#get quadratic distance from centroids
print(f"Centroids:\n({pos_1[0]:.2f}, {pos_1[1]:.2f})\n({pos_2[0]:.2f}, {pos_2[1]:.2f})\n({pos_3[0]:.2f}, {pos_3[1]:.2f})\n({pos_4[0]:.2f}, {pos_4[1]:.2f})")
distance= Dist(pos_1, pos_2, pos_3, pos_4)
print(f"Dist= {distance:.5f}")
bs_hall = GetHall(b_small)
bb_hall = GetHall(b_big)
bs_i = GetMagnet(b_small)
bb_i = GetMagnet(b_big)
#save i, hall values and distance to file
f= open(f"{b_small}_{b_big}_Distance_{timestring}.txt", "a+")
f.write(f'{bs_i:.3f}\t{bb_i:.3f}\t{bs_hall:.7f}\t{bb_hall:.7f}\t{distance:.4f}\t{pos_1[0]:.4f}\t{all_nom_im}\n')
f.close()
#####################
if (abs(bs_hall - bb_hall) > dHall):
#if they are different, match again
matchHall()
else:
print(f"Fields: {bs_hall:.6f}, {bb_hall:.6f}, dHall: {((bs_hall - bb_hall)/bs_hall*100):.5f}%")
sleep(2)
#take picture with q8 2/3 and q9 2/3
SetQuads(q1_init, q2_init * 3 / 2, q3_init, q4_init)
#SetMagnet('q2', 90.0) #q2_init/2)
#SetMagnet('q1', q1_init)
#~ SetMagnet('q8', q8_init*2/3)
#~ SetMagnet('q9', q9_init*2/3)
pos_2 = GetBeamPos(q1q2_half_im, viewer)
sleep(10)
q2_half_im = SaveIm('q2_3-2', viewer)
sleep(2)
#take picture with all at zero
SetQuads(q1_init, q2_init, q3_init, q4_init)
SetMagnet('q6', q6_init * 3 / 2)
#SetMagnet('q2', q2_init)
pos_3 = GetBeamPos(q2_half_im, viewer)
sleep(10) #might need to increase this if the jumps in current are big
all_zero_im = SaveIm('q6half', viewer)
sleep(2)
#return quads to original values
SetQuads(q1_init, q2_init, q3_init, q4_init)
SetMagnet('q6', q6_init)
#SetMagnet('q8', q8_init)
#~ SetMagnet('q9', q9_init)
pos_4 = GetBeamPos(all_zero_im, viewer)
pk_1 = pos_1[2:4]
pk_2 = pos_2[2:4]
def scanDipoles(b_small, b_big):
#set number of steps (from previous experience scanning although might need adjustments)
bs_stepsize = small_step
bb_stepsize = big_step
#initial nominal quad values
q0_init, q1_init = GetMagnet(quad_pair[0]), GetMagnet(quad_pair[1])
for i in range(total_steps):
print(f"Step {i+1} out of {total_steps} large steps.")
#get initial current of dipoles
bs_init = GetMagnet(b_small)
bb_init = GetMagnet(b_big)
#SetMagnet( b_big, bb_init - bb_stepsize)
SetMagnet(b_small, bs_init - bs_stepsize)
#changing quads and taking pictures at 4 tunes
#take picture with all at init values
all_nom_im = SaveIm('allNom', viewer)
#take picture with q14 nom, q15 *8/11
SetMagnet(quad_pair[0], q0_init)
SetMagnet(quad_pair[1], -15.000)
pos_1 = GetBeamPos(all_nom_im, viewer)
sleep(5) #might need to increase this if the jumps in current are big
all_zero_im = SaveIm('Q15_minus15', viewer)
#take picture with q14 *1/2 and q15 nom
SetMagnet(quad_pair[0], 15.000)
SetMagnet(quad_pair[1], q1_init)
pos_2 = GetBeamPos(all_zero_im, viewer)
sleep(5)
q0_half_im = SaveIm('Q14_15', viewer)
#take picture with q14 zero, and q15 zero
SetMagnet(quad_pair[0], 10.000)
SetMagnet(quad_pair[1], -10.000)
pos_3 = GetBeamPos(q0_half_im, viewer)
sleep(5)
q01_half_im = SaveIm('bothTen', viewer)
#return quads to original values
SetMagnet(quad_pair[0], q0_init)
SetMagnet(quad_pair[1], q1_init)
pos_4 = GetBeamPos(q01_half_im, viewer)
#peak/intensity
#pk_1 = pos_1[2:]
#pk_2 = pos_2[2:]
#pk_3 = pos_3[2:]
#pk_4 = pos_4[2:]
#centroid positions
pos_1 = pos_1[0:2]
pos_2 = pos_2[0:2]
pos_3 = pos_3[0:2]
pos_4 = pos_4[0:2]
#get quadratic distance from centroids
print(
f"Centroids:\n({pos_1[0]:.2f}, {pos_1[1]:.2f})\n({pos_2[0]:.2f}, {pos_2[1]:.2f})\n({pos_3[0]:.2f}, {pos_3[1]:.2f})\n({pos_4[0]:.2f}, {pos_4[1]:.2f})"
)
distance = Dist(pos_1, pos_2, pos_3, pos_4, True)[0]
print(f"Dist= {distance:.5f}")
bs_hall = GetHall(b_small)
bb_hall = GetHall(b_big)
bs_i = GetMagnet(b_small)
bb_i = GetMagnet(b_big)
#save i, hall values and distance to file
f = open(f"{b_small}_{b_big}_Distance_{timestring}.txt", "a+")
f.write(
f'{bs_i:.3f}\t{bb_i:.3f}\t{bs_hall:.7f}\t{bb_hall:.7f}\t{distance:.4f}\t{pos_1[0]:.4f}\t{all_nom_im}\n'
)
f.close()
if (cont != 'y'):
print("Exiting...")
exit()
#'''
#match Hall probe readings
#matchHall()
#'''
#get initial values to return two for second scan
b0_init = GetMagnet(dipole_pair[0])
b1_init = GetMagnet(dipole_pair[1])
#~ scanDipoles(dipole_pair[0], dipole_pair[1])
scanDipoles(dipole_pair[0], dipole_pair[1])
print(f"Done with {dipole_pair[0]} scan.")
'''
#reset dipoles to original currents and cycle
SetMagnet(dipole_pair[0], b0_init)
SetMagnet(dipole_pair[1], b1_init)
#cycle
time1 = CycleMagnet(dipole_pair[0])
time2 = CycleMagnet(dipole_pair[1])
sleep(np.max([time1, time2]))
print("Done cycling.")
cont= input("Once magnets have settled, enter 'y' to continue...")
if (cont != 'y'):
print("Exiting...")
#print(m)
# Find next point
model = GPModel(optimize_restarts=1, verbose=True)
model.model = m
#acq = AcquisitionEI(model, space, jitter = 1)
acq = AcquisitionLCB(model, space, exploration_weight=2)
alpha_full = acq.acquisition_function(X_grid)
magnet_values = X_grid[np.argmin(alpha_full), :]
print("New quad current values:\n")
for i, q in enumerate(magnet_list):
print(f"{q}: {magnet_values[i]:.2f}A\n")
if sandbox != 'y':
#set new quad currents
SetMagnet(q, magnet_values[i])
####################
"""#############"""
####################
#continue or not
if (tbl == 'y' or count % 10 == 0):
cont = input("Continue? y/n ")
if (cont == 'n' and sandbox == 'y'):
exit()
##########################
##########################
print("Adjusting quads...")
#~ sleep(10)
all_nom_im = SaveIm('allNom', viewer)
sleep(2)
#take picture with all at zero
#~ SetQuads(0, 0, 0, 0)
#~ SetMagnet('q8', 0)
#~ SetMagnet('q9', 0)
#~ pos_1= GetBeamPos(all_nom_im, viewer)
#~ sleep(10) #might need to increase this if the jumps in current are big
#~ all_zero_im= SaveIm('allZero', viewer)
#~ sleep(2)
#take picture with q8 2/3 and q9 nom
#~ SetQuads(q1_init/2, q2_init/2, 0, 0)
SetMagnet('q6', q6_init / 2)
SetMagnet('q9', q9_init)
pos_1 = GetBeamPos(all_nom_im, viewer)
sleep(10)
q6_half_im = SaveIm('q6half', viewer)
sleep(2)
#take picture with q8 2/3 and q9 2/3
#~ SetQuads(0, q2_init/2, 0, 0)
SetMagnet('q6', q6_init)
SetMagnet('q9', q9_init / 2)
pos_2 = GetBeamPos(q6_half_im, viewer)
sleep(10)
q9half_im = SaveIm('q9half', viewer)
sleep(2)
#dI = 0.03
dI = 0.01
Dmin = 0
atTune = False
while (atTune == False):
#using the nmr readback and the i_cset, slowly ramp down as you check that the nmrs are close
dNMR = 0.0002
#get Is of dipoles (reproducible)
b1_i = GetMagnet('b1')
b2_i = GetMagnet('b2')
caput(set_probe, b1_probe)
SetMagnet('b1', b1_i - dI)
SetMagnet('b2', b2_i - dI)
sleep(10)
#saving the new actual nmr value
b1_nmr = caget(tlm_reading)
caput(set_probe, b2_probe)
#change b2 and compare
#saving the new actual nmr value
sleep(10)
b2_nmr = caget(tlm_reading)
#~ if (abs(b1_nmr_h - b2_nmr_h) > dNMR):
if (abs(b1_nmr - b2_nmr) >
def scanDipoles(b_small, b_big):
#set number of steps (from previous experience scanning although might need adjustments)
bs_stepsize = small_step
bb_stepsize = big_step
#initial nominal quad values
q0_init, q1_init = GetMagnet(quad_pair[0]), GetMagnet(quad_pair[1])
for i in range(total_steps):
print(f"Step {i+1} out of {total_steps} large steps.")
#get initial current of dipoles
bs_init = GetMagnet(b_small)
bb_init = GetMagnet(b_big)
#set NMR teslameter to read B1 probe to save time later
caput(set_probe, b1_probe)
for j in range(0,
int(bb_stepsize / bs_stepsize) +
4): ## ADDED TWO MORE STEPS FOR THE FIELDS TO OVERLAP
#changing quads and taking pictures at 4 tunes
#take picture with all at init values
all_nom_im = SaveIm('allNom', viewer)
#take picture with q8 nom, q9 half
SetMagnet(quad_pair[0], q0_init * 2 / 3)
SetMagnet(quad_pair[1], q1_init)
pos_1 = GetBeamPos(all_nom_im, viewer)
sleep(
5
) #might need to increase this if the jumps in current are big
all_zero_im = SaveIm('Q3_2-3', viewer)
#take picture with q8/2 and q9/2
SetMagnet(quad_pair[0], q0_init)
SetMagnet(quad_pair[1], q1_init * 2 / 3)
pos_2 = GetBeamPos(all_zero_im, viewer)
sleep(5)
q0_half_im = SaveIm('Q4_2-3', viewer)
#take picture with 4/3 q8 and 5/4 q9
SetMagnet(quad_pair[0], q0_init)
SetMagnet(quad_pair[1], -90)
pos_3 = GetBeamPos(q0_half_im, viewer)
sleep(5)
q01_half_im = SaveIm('Q4_neg90', viewer)
#return quads to original values
SetMagnet(quad_pair[0], q0_init)
SetMagnet(quad_pair[1], q1_init)
pos_4 = GetBeamPos(q01_half_im, viewer)
#centroid positions
pos_1 = pos_1[0:2]
pos_2 = pos_2[0:2]
pos_3 = pos_3[0:2]
pos_4 = pos_4[0:2]
#get quadratic distance from centroids
print(
f"Centroids:\n({pos_1[0]:.2f}, {pos_1[1]:.2f})\n({pos_2[0]:.2f}, {pos_2[1]:.2f})\n({pos_3[0]:.2f}, {pos_3[1]:.2f})\n({pos_4[0]:.2f}, {pos_4[1]:.2f})"
)
distance = Dist(pos_1, pos_2, pos_3, pos_4)
print(f"Dist= {distance:.5f}")
#get NMR fields
if (b_small == 'b1'):
#saving the new actual nmr value of B1
bs_nmr = caget(tlm_reading)
#change b2 and compare
#saving the new actual nmr value
caput(set_probe, b2_probe)
sleep(10)
bb_nmr = caget(tlm_reading)
elif (b_small == 'b2'):
#saving the new actual nmr value of B1
bb_nmr = caget(tlm_reading)
#change b2 and compare
#saving the new actual nmr value
caput(set_probe, b2_probe)
sleep(10)
bs_nmr = caget(tlm_reading)
bs_i = GetMagnet(b_small)
bb_i = GetMagnet(b_big)
#save i, hall values and distance to file
f = open(f"{b_small}_{b_big}_Distance_{timestring}.txt", "a+")
f.write(
f'{bs_i:.3f}\t{bb_i:.3f}\t{bs_nmr:.7f}\t{bb_nmr:.7f}\t{distance:.4f}\t{pos_1[0]:.4f}\t{all_nom_im}\n'
)
f.close()
#ramps down this magnet in small steps multiple of the large step
SetMagnet(b_small, bs_init - bs_stepsize * (j + 1))
#this magnet goes down a big step
SetMagnet(b_big, bb_init - bb_stepsize)
#####################
matchNMR()
magnet_values = X_grid[np.argmin(alpha_full),:]
print("Min LCB: ", np.argmin(alpha_full), min(alpha_full), X_grid[np.argmin(alpha_full),:])
print("Max LCB: ", np.argmax(alpha_full), max(alpha_full), X_grid[np.argmax(alpha_full),:])
if (len(magnet_list)==1):
gp.plot1D(f"GP_results/{'_'.join(magnet_list)}Values_Widths_{timestamp}.txt", timestamp = timestamp, phase_space = q_ps[magnet_list[0]])
elif (len(magnet_list)==2):
gp.plot2D(f"GP_results/{'_'.join(magnet_list)}Values_Widths_{timestamp}.txt", magnet_list_2d = magnet_list, timestamp = timestamp, phase_space = q_ps)
print("New quad current values:\n")
for i,q in enumerate(magnet_list):
print(f"{q}: {magnet_values[i]:.2f}A")
if sandbox != 'y':
#set new quad currents
SetMagnet(q, magnet_values[i])
sleep(7)
####################
"""#############"""
####################
#continue or not
if (tbl == 'y' or count%30 == 0):
cont= input("Continue? y/n ")
if (cont == 'n' and sandbox =='y'):
exit()
##########################
##########################
'''
while (cont == 'y'):
if sandbox != 'y':
#import current state
#Get initial quad values
#~ q1_init, q2_init, q3_init, q4_init= GetQuads()
#Tuning Q14 and Q15
#take picture with all at init values
#~ SetQuads(q1_init, q2_init, q3_init, q4_init)
sleep(3)
all_nom_im = SaveIm('allNom', viewer)
sleep(2)
#take picture with q14 *2/3, q15 *9/10
SetMagnet(quad_pair[0], -40)
#SetMagnet(quad_pair[1], q1_init*9/10)
pos_1 = GetBeamPos(all_nom_im, viewer)
pk_1 = pos_1[2]
if (count_iter == 0):
init_peak = pk_1
if (count_iter > 0 and pk_1 < init_peak * 0.05):
print("Beam off viewer. Skipping iteration.")
distance = 1000
else:
sleep(
5
) #might need to increase this if the jumps in current are big
frac_im = SaveIm('Q1frac23Q2frac910', viewer)
#dI = 0.03
dI = 0.01
Dmin = 0
atTune = False
while (atTune == False):
#using the nmr readback and the i_cset, slowly ramp down as you check that the nmrs are close
dNMR = 0.00001
#get Is of dipoles (reproducible)
b1_i = GetMagnet('b1')
b2_i = GetMagnet('b2')
caput(set_probe, b1_probe)
SetMagnet('b1', b1_i - dI)
SetMagnet('b2', b2_i - dI)
sleep(10)
#saving the new actual nmr value
b1_nmr = caget(tlm_reading)
caput(set_probe, b2_probe)
#change b2 and compare
#saving the new actual nmr value
sleep(10)
b2_nmr = caget(tlm_reading)
#~ if (abs(b1_nmr_h - b2_nmr_h) > dNMR):
if (abs(b1_nmr - b2_nmr) >
#~ sleep(10)
all_nom_im= SaveIm('allNom', viewer)
sleep(2)
#take picture with all at zero
#~ SetQuads(0, 0, 0, 0)
#~ SetMagnet('q8', 0)
#~ SetMagnet('q9', 0)
#~ pos_1= GetBeamPos(all_nom_im, viewer)
#~ sleep(10) #might need to increase this if the jumps in current are big
#~ all_zero_im= SaveIm('allZero', viewer)
#~ sleep(2)
#take picture with q8 2/3 and q9 nom
#~ SetQuads(q1_init/2, q2_init/2, 0, 0)
SetMagnet('q8', q8_init*2/3)
SetMagnet('q9', q9_init)
pos_1= GetBeamPos(all_nom_im, viewer)
sleep(10)
q8_2third_im= SaveIm('q82third', viewer)
sleep(2)
#take picture with q8 2/3 and q9 2/3
#~ SetQuads(0, q2_init/2, 0, 0)
SetMagnet('q8', q8_init)
SetMagnet('q9', q9_init/2)
pos_2= GetBeamPos(q8_2third_im, viewer)
sleep(10)
q8q9_2third_im= SaveIm('q9half', viewer)
sleep(2)