358 lines
14 KiB
Python
358 lines
14 KiB
Python
import json
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import copy
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import numpy as np
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from onlinemodel.core import Facility
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from onlinemodel.madx import CMadX
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converttwiss= {'betax':'betx','betay':'bety','alphax':'alfx','alphay':'alfy',
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'etax':'dx','etay':'dy','etapx':'dpx','etapy':'dpy','mux':'mux','muy':'muy',
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'x':'x','y':'y','px':'px','py':'py','energy':'energy'}
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class Model:
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def __init__(self, phase=0, parent=None):
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print('Initializing online model ...')
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self.phase = phase # current planned future
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self.parent=parent
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self.om = Facility(init=1, alt = phase)
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self.order = None
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self.madx = CMadX()
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self.startTwiss = None
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self.startEnergy = None
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self.energyReference ='SINLH02.MBND100'
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# hook up events
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self.eventHandling()
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def eventHandling(self):
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self.parent.UITrack.clicked.connect(self.track)
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self.parent.UIMatchSelected.clicked.connect(self.match)
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def getLatticeVersion(self):
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return self.om.Version
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def updateEnergy(self,E0):
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if isinstance(E0,list):
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E0=E0[0]
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self.om.forceEnergyAt(self.energyReference, E0*1e6)
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def updateElement(self,name,val):
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if 'MQUA' in name or 'MQSK' in name:
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L = self.om.getRegExpElement(name[0:7], name[8:15],'Length')[0]
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self.om.setRegExpElement(name[0:7], name[8:15], 'k1', float(val[0])/L)
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if 'MSEX' in name:
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L = self.om.getRegExpElement(name[0:7], name[8:15], 'Length')[0]
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self.om.setRegExpElement(name[0:7], name[8:15], 'k2', float(val[0])/L)
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if 'MBND' in name:
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self.om.setRegExpElement(name[0:7], 'MBND', 'angle', float(val[0]))
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if 'UMOD' in name:
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self.om.setRegExpElement(name[0:7], 'UMOD', 'K', float(val[0]))
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if 'UIND' in name:
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self.om.setRegExpElement(name[0:7], name[8:15], 'K', float(val[0]))
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if 'SATUN' in name:
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kx = 0
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ky = 1
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if 'LV' in val[1]:
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kx = 1
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ky = 0
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if 'C' in val[1]:
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kx = 0.5
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ky=0.5
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self.om.setRegExpElement(name[0:7], name[8:15], 'kx', kx)
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self.om.setRegExpElement(name[0:7], name[8:15], 'ky', ky)
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if 'RSYS' in name:
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grad = float(val[0])
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phase = float(val[1])
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if 'CB' in name[0:7]:
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grad = grad/ 4.
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elif 'XB' in name[0:7] or 'SINSB03' in name or 'SINSB04' in name:
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grad = grad/2
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L = self.om.getRegExpElement(name[0:7], 'RACC', 'Length')[0]
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self.om.setRegExpElement(name[0:7], 'RACC', 'Gradient', grad/L)
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self.om.setRegExpElement(name[0:7], 'RACC', 'Phase', phase)
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def getElements(self):
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return self.om.listElement('*', 1)
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def getSettings(self):
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elements = self.getElements()
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quadrupoles={}
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sextupoles={}
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dipoles={}
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rf={}
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undulators={}
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kicker={}
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energy={'location': self.energyReference, 'energy' : 1e-6*self.om.EnergyAt(self.energyReference)[0]}
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for ele in elements:
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if 'MQUA' in ele.Name or 'MQSK' in ele.Name:
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quadrupoles[ele.Name]={'k1':ele.k1,'k1L':ele.k1*ele.Length}
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elif 'MSEX' in ele.Name:
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sextupoles[ele.Name]={'k2':ele.k2,'k2L':ele.k2*ele.Length}
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elif 'MBND' in ele.Name:
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if 'SINLH' in ele.Name or 'SINBC' in ele.Name or 'S10BC' in ele.Name or 'SATMA' in ele.Name or 'SATUN' in ele.Name:
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dipoles[ele.Name]={'angle':ele.angle}
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elif 'UIND' in ele.Name or 'UMOD' in ele.Name:
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undulators[ele.Name]={'K':ele.K,'kx':ele.kx,'ky':ele.ky}
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elif 'RACC' in ele.Name:
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rf[ele.Name]={'Gradient':ele.Gradient*ele.Length,'Phase':ele.Phase}
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elif 'MKAC' in ele.Name or 'MKDC' in ele.Name:
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kicker[ele.Name] = {'cory': ele.cory}
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return {'Quadrupole':quadrupoles,'Sextupole':sextupoles,'Dipole':dipoles,'RF':rf,'Undulator':undulators,
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'Kicker':kicker,'Energy':energy, 'InitialCondition':self.startTwiss}
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def loadSettingsGroup(self,group,fields,normalized=False):
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for key in group.keys():
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ele = self.om.getElement(key)
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for field in fields:
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ele.__dict__[field]=group[key][field]
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if normalized:
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ele.__dict__[field]/=ele.Length
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def loadSettings(self,settings):
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self.loadSettingsGroup(settings['Quadrupole'],['k1'])
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self.loadSettingsGroup(settings['Sextupole'], ['k2'])
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self.loadSettingsGroup(settings['Dipole'], ['angle'])
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self.loadSettingsGroup(settings['RF'], ['Gradient'],normalized=True)
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self.loadSettingsGroup(settings['RF'], ['Phase'])
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self.loadSettingsGroup(settings['Undulator'], ['K','kx','ky'])
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self.loadSettingsGroup(settings['Kicker'], ['cory'])
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self.startEnergy = settings['Energy']['energy']
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self.energyReference = settings['Energy']['location']
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self.startTwiss = settings['InitialCondition']
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print(self.startTwiss)
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self.updateEnergy(self.startEnergy)
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print(settings['Energy']['energy'])
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print('Energy in system',self.om.EnergyAt(self.energyReference)[0])
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##### very old code should be become obsolete after some nice matching files
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def updateModel(self):
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file ='SwissFELRef.json'
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with open(file) as f:
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data = json.load(f)
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for key in data['settings'].keys():
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tags=key.split(':')
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elename = tags[0].replace('-','.')
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fld = tags[1]
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ele = self.om.getElement(elename)
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if 'K1L' == fld:
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ele.k1 = data['settings'][key]/ele.Length
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elif 'K2L' == fld:
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ele.k2 = data['settings'][key]/ele.Length
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elif 'Grad' == fld:
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# ele.Gradient = data['settings'][key]/ele.Length
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ele.Gradient = data['settings'][key]
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elif 'Phase' == fld:
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ele.Phase = data['settings'][key]
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elif 'kx' == fld:
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ele.kx = data['settings'][key]
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elif 'ky' == fld:
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ele.ky = data['settings'][key]
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elif 'K' == fld:
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ele.K = data['settings'][key]
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elif 'Gap' == fld:
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ele.Gap = data['settings'][key]
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elif 'Offset' == fld:
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ele.Offset = data['settings'][key]
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elif 'K0L' == fld:
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ele.angle = data['settings'][key]
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elif 'KICK' == fld:
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ele.cory=data['settings'][key]
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else:
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print('Unknown tag:', key, data['settings'][key])
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##############################33
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# tracking
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def match(self):
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config,ID, status = self.parent.reference.getMatchingPoint()
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if status is False:
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return
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self.setBranch(config['Destination'])
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sequence = config['Sequence']
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if isinstance(sequence,list):
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length = [self.om.getSection(ele).LengthRes for ele in sequence]
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sequence =self.madx.buildSequence(sequence,length,'seqcompund')
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if config['Reference'] is None:
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start='#s'
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end='#e'
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itwiss=None
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else:
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start=config['Reference']['Location']
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if start.upper() == 'START':
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start='#s'
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end = config['End']+'$end'
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itwiss = {converttwiss[key.lower()]:config['Reference']['Twiss'][key] for key in config['Reference']['Twiss'].keys()}
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var={}
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random = self.parent.UIMatchRandom.isChecked()
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for key in config['Variable'].keys():
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key0=key.replace('-','.').lower()
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if 'mqua' in key0 or 'mqsk' in key0:
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key0+='.k1'
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elif 'msex' in key0:
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key0+='.k2'
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elif 'mkac' in key0 or 'mkdc' in key0:
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key0+='.cory'
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var[key0]=config['Variable'][key]
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conf0={}
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if 'File' in config['Target'].keys():
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twiss,err=self.madx.callScript(config['Target']['File']['File'],sequence,start,end)
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else:
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for key in config['Target'].keys():
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sconf = config['Target'][key]
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conf0[key] = {converttwiss[key0.lower()]:sconf[key0] for key0 in sconf.keys()}
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res,twiss,err=self.madx.match(sequence=sequence, start=start, end=end,
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init=itwiss, var=var, const=conf0,
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preset=False,random=random)
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if not config['Save'] == False:
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self.parent.reference.saveTwiss(ID,twiss)
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self.parent.reference.updateMatchPoint(ID,err)
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#self.updateModelFromMatching(res)
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energy = self.calcEnergyProfile(twiss)
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self.parent.plot.newData(twiss,energy)
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def updateModelFromMatching(self,var):
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for magm in var.keys():
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if 'mqua' in magm or 'mqsk' in magm:
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mag0 = magm[0:15]
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val = var[magm]
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ele=self.om.getElement(mag0)
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if not ele is None:
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ele.k1 = val
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print('Updating %s to k1: %8.4f' % (mag0, val))
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magnets=self.parent.reference.getDependence(mag0)
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if not magnets is None:
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for magd in magnets:
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ele = self.om.getElement(magd)
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if not ele is None:
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ele.k1 = val
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print('Updating %s to k1: %8.4f' % (magd, val))
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##################
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# tracking
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def track(self):
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start = str(self.parent.UITrackStart.text()).upper()
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end = str(self.parent.UITrackEnd.text()).upper()
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if len(start)>7:
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start = start[0:7]
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if len(end)>7:
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end = end[0:7]
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refloc, twiss0 = self.parent.reference.getReference()
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if refloc.upper() == 'START':
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refloc = start.upper()
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twiss0['energy'] = self.startEnergy*1e-3 # convert to GeV for madx
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start, end = self.checkRange(start, end, refloc[0:7])
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if start is None:
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return
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print('Tracking from',start,'to',end)
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self.doTrack(start,end,refloc,twiss0)
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def doTrack(self, start,end, refloc, twiss_in, plot = True):
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twiss0 = {converttwiss[key]:twiss_in[key] for key in twiss_in.keys()}
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self.setBranch(end.upper())
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if not refloc == start:
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twiss0 = self.doBackTrack(refloc,start,twiss0)
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print('Back Tracking Done')
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for key in twiss_in.keys():
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if converttwiss[key] in twiss0.keys():
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self.startTwiss[key+'0'] = twiss0[converttwiss[key]]
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# self.madx.updateVariables(twiss0)
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twiss = self.madx.track('swissfel',start+'$START',end+'$END',twiss0)
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energy = self.calcEnergyProfile(twiss)
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if plot:
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self.parent.plot.newData(twiss,energy)
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def doBackTrack(self,start=None,end=None,twiss0=None):
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print('Backtracking 1:',twiss0)
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twiss0['alfx'] = -twiss0['alfx'] # revert particle trajectories
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twiss0['alfy'] = -twiss0['alfy']
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twiss0['dpx'] = -twiss0['dpx']
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twiss0['dpy'] = -twiss0['dpy']
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twiss0['px'] = -twiss0['px']
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twiss0['py'] = -twiss0['py']
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# self.madx.updateVariables(twiss0)
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# print(start,end)
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twiss = self.madx.track('invswissfel', start, end+'$START',twiss0)
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twiss1 = {}
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twiss1['betx'] = twiss.betx[-1] # revert trajectory back
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twiss1['bety'] = twiss.bety[-1]
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twiss1['alfx'] = -twiss.alfx[-1]
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twiss1['alfy'] = -twiss.alfy[-1]
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twiss1['dx'] = twiss.dx[-1]
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twiss1['dy'] = twiss.dy[-1]
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twiss1['dpx'] = -twiss.dpx[-1]
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twiss1['dpy'] = -twiss.dpy[-1]
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twiss1['x'] = twiss.x[-1]
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twiss1['y'] = twiss.y[-1]
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twiss1['px'] = -twiss.px[-1]
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twiss1['py'] = -twiss.py[-1]
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return twiss1
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def calcEnergyProfile(self,twiss):
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energy = np.array([0. for i in range(len(twiss.betx))])
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e0 = 0.
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for i, name in enumerate(twiss.name):
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if len(name) > 15:
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elename = name[0:15]
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ele = self.om.getElement(elename)
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if not ele is None:
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erg= self.om.EnergyAt(ele)
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if e0 == 0.:
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energy[:i]+=erg[0]*1e-6
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e0 = (erg[0]+erg[1])*1e-6
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energy[i]=e0
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return energy
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def setBranch(self,end):
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destination = 'ARAMIS'
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if 'SPO' in end:
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destination = 'PORTHOS'
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elif 'SAT' in end:
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destination = 'ATHOS'
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elif 'S10BD' in end or 'SIN' in end:
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destination = 'INJECTOR'
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self.om.setBranch(destination,'SINLH01')
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self.order=self.om.getBranchElements()
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self.madx.updateLattice(self.om,destination)
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def checkRange(self,start,end,ref):
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if self.om.getSection(start) is None:
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print('Invalid staring point for tracking. Setting to SINLH01')
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startsec='SINLH01'
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else:
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startsec = self.om.getSection(start).Element[0].Name
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if self.om.getSection(end) is None:
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print('Invalid staring point for tracking. Setting to starting section')
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endsec = startsec
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else:
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endsec = self.om.getSection(end).Element[0].Name
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if self.om.getSection(ref) is None:
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print('Invalid section for reference. Aborting tracking')
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return None,None
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refsec = self.om.getSection(ref).Element[0].Name
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if not self.om.isUpstream(startsec,endsec):
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return self.checkRange(end,start,ref)
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if not self.om.isUpstream(startsec,refsec):
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start = ref
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print('Reference point is upstream the tracking range. Extending range')
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if not self.om.isUpstream(refsec,endsec):
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end = ref
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print('Reference point is downstream the tracking range. Extending range')
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return start,end
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