124 lines
3.8 KiB
Python
124 lines
3.8 KiB
Python
# Tool to align the solenoid on the gun.
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# S. Bettoni, A. Gobbo, D. Voulot
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# 06/06/2016
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#Code ok with the GUI
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# Procedure:
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# switch off all the magnets between the gun solenoid and the screen or BPM used for the measurement
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# change the current of the gun soleoid
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# look at the centroid position (BPM or screen) downstream of the gun.
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import datetime
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knob = Channel("SINEG01-RSYS:SET-BEAM-PHASE", 'd', alias = "RF phase")
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instrument = Channel("SINEG01-DICT215:CHARGE", 'd', alias = "Bunch Charge (ICT)")
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r = lscan(knob, [instrument], -120., 60., 10.,2.0)
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elog("SchottkyICT", "Data file: " + get_context().path + "\n\n" + r.print() , get_plot_snapshots())
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#use_bpm = True
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#
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##if get_context().source == CommandSource.ui:
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# phi1 = -60
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# phi2 = -40
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# dphi = 1.0
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# settling_time = 0.1
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# plot_image = False
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# number_images = 5
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# use_background = True
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# multiple_background = False
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# number_backgrounds = 5
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# do_elog = False
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# centroid_excursion_plot = True
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#
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#print "Parameters: ", phi1, phi2, dphi, settling_time
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#
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#plot_name = datetime.datetime.fromtimestamp(time.time()).strftime('%H%M%S')
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#
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#
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#if (use_bpm):
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# add_device(BpmStats("image_stats", "SINEG01-DBPM340"), True)
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# use_background = False
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# multiple_background = False
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#else:
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# if get_device("image_stats") is None:
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# print "Instantiating camtool"
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# add_device(CamTool("image_stats", prefix = "SINEG01-DSCR190:", latch = True, camera = "SINEG01-DSCR190"), True)
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# if (image_stats.latch):
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# image_stats.start()
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#add_device(ImageStats("image_stats", get_simulated_source(image)), True)
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#
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#image_stats.setNumberOfImages(max(number_images,1))
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#image_stats.enableBackground (use_background)
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#if use_background:
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# laser_off()
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# if not multiple_background:
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# image_stats.captureBackground(number_backgrounds)
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#
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## Switch off magnets
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##mag = [ "SINEG01-MCRX120","SINEG01-MCRY120",
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## "SINEG01-MQUA140",
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## "SINEG01-MQUA150",
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## "SINEG01-MCRX160","SINEG01-MCRY160",
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## "SINEG01-MCRX180","SINEG01-MCRY180",
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## "SINEG01-MCRX200","SINEG01-MCRY200",
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## "SINEG01-MCRX220","SINEG01-MCRY220",
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## "SINEG01-MQUA310",
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## "SINEG01-MQUA320" ]
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#
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##switch_off_magnets(mag)
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#
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## add here gun phase setting see wiki page
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#
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#def before_sample():
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# if multiple_background:
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# image_stats.captureBackground(number_backgrounds)
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# laser_on()
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# image_stats.update()
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#
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#def after_sample():
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# if multiple_background:
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# laser_off()
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#
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#r = None
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#if not multiple_background:
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# laser_on()
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#
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#try:
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# #sensors = [image_stats.com_x, image_stats.com_y]
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# #sensors = [image_stats.com_x_mean, image_stats.com_y_mean, image_stats.com_x_stdev, image_stats.com_y_stdev]
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# sensors = [bpm_q]
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# #if plot_image:
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# # sensors.append(image_stats.image)
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# r = lscan(gun_solenoid, sensors , I1, I2, dI, settling_time, before_read = before_sample, after_read = after_sample)
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#finally:
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# #laser_off()
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# pass
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#
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##image_stats.stop()
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#
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#
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## take the result of the scan and generate convex hull plot
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##if centroid_excursion_plot:
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## (hx,hy)=add_convex_hull_plot ("Centroid excursion", r.getReadable(0),r.getReadable(1), plot_name)
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##else:
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## (hx,hy)= convex_hull(x=r.getReadable(0), y=r.getReadable(1))
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## hx.append(hx[0]); hy.append(hy[0])
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#
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## save the entry in the logbook
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#gsa_log_msg = "Data file: " + get_context().path
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#gsa_log_msg = gsa_log_msg + "\nImages: " + str(number_images)
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#gsa_log_msg = gsa_log_msg + "\nBackground: enabled=" + str(use_background) + " multiple=" + str(multiple_background) + " number=" + str(number_backgrounds)
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#gsa_log_msg = gsa_log_msg + "\n\n" + r.print()
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#if do_elog:
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# elog("Gun solenoid current scan", gsa_log_msg , get_plot_snapshots())
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#
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#_ = [r, hx, hy]
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#set_return([r, hx, hy])
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#
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#
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