113 lines
3.1 KiB
Python
Executable File
113 lines
3.1 KiB
Python
Executable File
# 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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# 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 org.apache.commons.math3.linear.Array2DRowRealMatrix as Matrix
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import ch.psi.utils.Convert.toBidimensional as mono_to_bidi
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I_set = Channel("SINEG01-MSOL130:I-SET", alias = "I_set");
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I_get = Channel("SINEG01-MSOL130:I-READ", alias = "I_get")
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# cam_x, cam_y = ... # some camtool command / channel?
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bpm_x = Channel("SINEG01-DBPM340:X1")
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bpm_y = Channel("SINEG01-DBPM340:Y1")
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cam_x = Channel("SINEG01-DSCR190:profile.X_stats.com", alias = "cam_x")
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cam_y = Channel("SINEG01-DSCR190:profile.Y_stats.com", alias = "cam_y")
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profile_x = Channel("SINEG01-DSCR190:profile.X", alias = "profile_x")
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profile_y = Channel("SINEG01-DSCR190:profile.Y", alias = "profile_y")
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cam_raw_data = Channel("SINEG01-DSCR190:data")
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class CameraImage(ReadableMatrix):
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def read(self):
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raw = cam_raw_data.read()
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return Matrix(mono_to_bidi(raw, self.getHeight(), self.getWidth())).transpose().getData() #data is transposed
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#return mono_to_bidi(raw, self.getWidth(), self.getHeight())
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def getWidth(self):
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return self._width
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def getHeight(self):
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return self._height
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cam_img = CameraImage()
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cam_img._width = len(profile_x.read())
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cam_img._height = len(profile_y.read())
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def ccr(mag):
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n = 1
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while n > 0:
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sleep(0.5)
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n = caget(mag + ":I-COMP")
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def laser_on():
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caput("SIN-TIMAST-TMA:Beam-Las-Delay-Sel", 0)
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def laser_off():
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caput("SIN-TIMAST-TMA:Beam-Las-Delay-Sel", 1)
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def run_pipeline():
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caput("camtool...:start")
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while !caget("camtool...:done"):
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sleep(0.1)
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caget("camtool....:data")
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#caget("camtool....:X_stats.com")
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#caget("camtool....:X_stats.com")
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I1 = 20.0
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I2 = 150.0
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dI = 1.0
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settling_time = 1.0
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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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for m in mag:
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caput(m + ":I-SET", 0.0)
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for m in mag:
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ccr(m)
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laser_on()
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# Scan using the screen
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#r = lscan(I_set, [I_read, cam_x, cam_y], I1, I2, dI, 1.0, passes = 2, zigzag = True)
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# Scan using the BPM
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try:
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#r = lscan(I_set, [I_get, cam_x, cam_y], I1, I2, dI, 1.0, before_read = ccr)
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r = lscan(I_set, [I_get, cam_x, cam_y, cam_img], I1, I2, dI, settling_time)
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finally:
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laser_off()
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# take the result of the scan and do the plots
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p = plot(r.getReadable(2), xdata=r.getReadable(1), title = "Centroid excursion")[0]
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# save the entry in the logbook
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msg = str(r)
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msg = msg + "\nFile: " + get_context().path
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#msg = msg + "\n\n" + r.print()
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elog("Gun solenoid current scan", msg , get_plot_snapshots())
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