def set_bunch(off,lattice,bunch): bunch.deleteAllParticles() x_offset = off[0] xp_offset = off[1] y_offset = off[2] yp_offset = off[3] matrix_lattice = TEAPOT_MATRIX_Lattice(lattice,bunch) (muX, arrPosAlphaX, arrPosBetaX) = matrix_lattice.getRingTwissDataX() (muY, arrPosAlphaY, arrPosBetaY) = matrix_lattice.getRingTwissDataY() (arrDispX,arrDispPrimeX) = matrix_lattice.getRingDispersionDataX() (arrDispY,arrDispPrimeY) = matrix_lattice.getRingDispersionDataY() alpax= arrPosAlphaX[0][1] betax = arrPosBetaX[0][1] alpay= arrPosAlphaY[0][1] betay = arrPosBetaY[0][1] # ini. 2D match distribution twissX = TwissContainer(alpha = alpax, beta = betax, emittance = emittance_x/2) twissY = TwissContainer(alpha = alpay, beta = betay, emittance = emittance_y/2) dist = KVDist2D(twissX,twissY) for i in range(NPIC): (x,xp,y,yp) = dist.getCoordinates() bunch.addParticle(x+x_offset,xp+xp_offset,y+y_offset,yp+yp_offset,0.0,0.0)
def readtwiss_teapot(self, lattice, bunch):
beamline = Optics()
matrix_lattice = TEAPOT_MATRIX_Lattice(lattice, bunch)
(arrmuX, arrPosAlphaX,
arrPosBetaX) = matrix_lattice.getRingTwissDataX()
(arrmuY, arrPosAlphaY,
arrPosBetaY) = matrix_lattice.getRingTwissDataY()
(DispersionX, DispersionXP) = matrix_lattice.getRingDispersionDataX()
(DispersionY, DispersionYP) = matrix_lattice.getRingDispersionDataY()
nodes = lattice.getNodes()
for node in nodes:
for j in range(len(arrPosBetaX)):
if (round(lattice.getNodePositionsDict()[node][1],
4) == round(arrPosBetaX[j][0], 4)):
muX = arrmuX[j][1]
betaX = arrPosBetaX[j][1]
alphaX = arrPosAlphaX[j][1]
dx = DispersionX[j][1]
dmux = DispersionXP[j][1]
muY = arrmuY[j][1]
betaY = arrPosBetaY[j][1]
alphaY = arrPosAlphaY[j][1]
dmuy = DispersionYP[j][1]
if node.getType() == "quad teapot":
k1l = node.getParam("kq") * node.getLength()
else:
k1l = 0.0
if node.getType() == "bend teapot":
angle = node.getParam("theta")
else:
angle = 0.0
beamline.add(1)
j = len(beamline) - 1
beamline[j] = Twiss()
beamline[j].data['keyword'] = node.getName()
beamline[j].data['marker'] = node.getType()
beamline[j].data['s'] = round(
lattice.getNodePositionsDict()[node][1], 4)
beamline[j].data['L'] = node.getLength()
beamline[j].data['alfx'] = alphaX
beamline[j].data['alfy'] = alphaY
beamline[j].data['betx'] = betaX
beamline[j].data['bety'] = betaY
beamline[j].data['Dx'] = dx
beamline[j].data['Dpx'] = dmux
beamline[j].data['mux'] = muX
beamline[j].data['muy'] = muY
beamline[j].data['angle'] = angle
beamline[j].data['k1'] = k1l
return beamline
def readtwiss_teapot(self,lattice, bunch):
beamline=Optics()
matrix_lattice = TEAPOT_MATRIX_Lattice(lattice,bunch)
(arrmuX, arrPosAlphaX, arrPosBetaX) = matrix_lattice.getRingTwissDataX()
(arrmuY, arrPosAlphaY, arrPosBetaY) = matrix_lattice.getRingTwissDataY()
(DispersionX, DispersionXP) = matrix_lattice.getRingDispersionDataX()
(DispersionY, DispersionYP) = matrix_lattice.getRingDispersionDataY()
nodes = lattice.getNodes()
for node in nodes:
for j in range(len(arrPosBetaX)):
if (round(lattice.getNodePositionsDict()[node][1],4)==round(arrPosBetaX[j][0],4)):
muX = arrmuX[j][1]
betaX = arrPosBetaX[j][1]
alphaX = arrPosAlphaX[j][1]
dx = DispersionX[j][1]
dmux = DispersionXP[j][1]
muY = arrmuY[j][1]
betaY = arrPosBetaY[j][1]
alphaY = arrPosAlphaY[j][1]
dmuy = DispersionYP[j][1]
if node.getType() == "quad teapot":
k1l = node.getParam("kq")*node.getLength()
else:
k1l = 0.0
if node.getType() == "bend teapot":
angle = node.getParam("theta")
else:
angle = 0.0
beamline.add(1)
j=len(beamline)-1
beamline[j]=Twiss()
beamline[j].data['keyword']=node.getName()
beamline[j].data['marker']=node.getType()
beamline[j].data['s']=round(lattice.getNodePositionsDict()[node][1],4)
beamline[j].data['L']=node.getLength()
beamline[j].data['alfx']=alphaX
beamline[j].data['alfy']=alphaY
beamline[j].data['betx']=betaX
beamline[j].data['bety']=betaY
beamline[j].data['Dx']=dx
beamline[j].data['Dpx']=dmux
beamline[j].data['mux']=muX
beamline[j].data['muy']=muY
beamline[j].data['angle']=angle
beamline[j].data['k1']=k1l
return beamline
lattice = TEAPOT_Lattice("no_sc_lattice")
lattice.readMAD("./lattice/sis18_inj.lat","SIS18_MID")
offset = 0.#70e-3
#============Set BPMs into lattice===============
length = round(lattice.getLength()/12,4)
for i in range(12):
name = TeapotBPMSignalNode("BPM")
addTeapotDiagnosticsNode(lattice, i*length, name)
#============Set BPMs into lattice===============
matrix_lattice = TEAPOT_MATRIX_Lattice(lattice,bunch)
(muX, arrPosAlphaX, arrPosBetaX) = matrix_lattice.getRingTwissDataX()
(muY, arrPosAlphaY, arrPosBetaY) = matrix_lattice.getRingTwissDataY()
(arrDispX,arrDispPrimeX) = matrix_lattice.getRingDispersionDataX()
(arrDispY,arrDispPrimeY) = matrix_lattice.getRingDispersionDataY()
alpax= arrPosAlphaX[0][1]
betax = arrPosBetaX[0][1]
alpay= arrPosAlphaY[0][1]
betay = arrPosBetaY[0][1]
#============add particles to beam===============
# ini. 2D match distribution
twissX = TwissContainer(alpha = alpax, beta = betax, emittance = emittance_x/2)
twissY = TwissContainer(alpha = alpay, beta = betay, emittance = emittance_y/2)
dist = KVDist2D(twissX,twissY)
def readtwiss_teapot(self,lattice, bunch):
beamline=Optics()
matrix_lattice = TEAPOT_MATRIX_Lattice(lattice,bunch)
(arrmuX, arrPosAlphaX, arrPosBetaX) = matrix_lattice.getRingTwissDataX()
(arrmuY, arrPosAlphaY, arrPosBetaY) = matrix_lattice.getRingTwissDataY()
(DispersionX, DispersionXP) = matrix_lattice.getRingDispersionDataX()
(DispersionY, DispersionYP) = matrix_lattice.getRingDispersionDataY()
nodes = lattice.getNodes()
matrixNodes = matrix_lattice.getNodes()
idx = 0
Md = np.identity(6) # Matrix of downstream element
for node in nodes:
for j in range(len(arrPosBetaX)):
if (round(lattice.getNodePositionsDict()[node][1],4)==round(arrPosBetaX[j][0],4)):
muX = arrmuX[j][1]
betaX = arrPosBetaX[j][1]
alphaX = arrPosAlphaX[j][1]
dx = DispersionX[j][1]
dmux = DispersionXP[j][1]
muY = arrmuY[j][1]
betaY = arrPosBetaY[j][1]
alphaY = arrPosAlphaY[j][1]
dmuy = DispersionYP[j][1]
if node.getType() == "quad teapot":
k1l = node.getParam("kq")*node.getLength()
else:
if node.getType()=="multipole teapot":
k1l = node.getParam("kls")[1]
else:
k1l = 0.0
if node.getType() == "bend teapot":
angle = node.getParam("theta")
else:
angle = 0.0
beamline.add(1)
j=len(beamline)-1
beamline[j]=Twiss()
name = node.getName()
beamline[j].data['keyword']=name
beamline[j].data['marker']=node.getType()
beamline[j].data['s']=round(lattice.getNodePositionsDict()[node][1],4)
beamline[j].data['L']=node.getLength()
beamline[j].data['alfx']=alphaX
beamline[j].data['alfy']=alphaY
beamline[j].data['betx']=betaX
beamline[j].data['bety']=betaY
beamline[j].data['Dx']=dx
beamline[j].data['Dpx']=dmux
beamline[j].data['mux']=muX
beamline[j].data['muy']=muY
beamline[j].data['angle']=angle
beamline[j].data['k1']=k1l
matName = matrixNodes[idx].getName()
M = np.identity(6)
while name in matName and idx < len(matrixNodes)-1:
matNode = matrixNodes[idx]
matName = matNode.getName()
mt = matNode.getMatrix()
idx+=1
for index in range(36):
Md[index//6,index%6] = mt.get(index//6,index%6)
M = np.dot(M[:],Md)
beamline[j].data['map'] = M
return beamline