e2

elettra2test.py

+#!/usr/bin/python3
+
+import at
+import matplotlib.pylab as mp
+
+ring=at.load_lattice("../../machine/lattice/elettra2/elettra2.mat",energy=2.4e9)
+
+refpts = range(len(ring) + 1)
+ring.radiation_off()
+elemdata0, ringdata,elemdata=at.linopt6(ring,refpts,0.001)
+[chromH,chromV]=ring.get_chrom()
+[tuneH,tuneV] = ring.get_tune()
+#--- lionop needs radiation off
+#ring.radiation_off()
+#elemdata0, tune, chrom, elemdata=at.linopt(ring,refpts)
+
+s_pos = elemdata['s_pos']
+beta_x =elemdata['beta'][:,0]
+beta_y =elemdata['beta'][:,1]
+
+alpha_x = elemdata['alpha'][:,0]
+alpha_y = elemdata['alpha'][:,1]
+
+dispersion_x=elemdata['dispersion'][:,0]
+dispersion_xp=elemdata['dispersion'][:,1]
+dispersion_y=elemdata['dispersion'][:,2]
+dispersion_yp=elemdata['dispersion'][:,3]
+
+
+closed_orbit_x=elemdata['closed_orbit'][:,0]
+closed_orbit_xp=elemdata['closed_orbit'][:,1]
+closed_orbit_y=elemdata['closed_orbit'][:,2]
+closed_orbit_yp=elemdata['closed_orbit'][:,3]
+
+
+e_eV=ring.energy
+
+
+mp.figure()
+mp.subplot(211)
+mp.plot(s_pos,beta_x)
+mp.plot(s_pos,beta_y)
+mp.plot(s_pos,dispersion_x)
+mp.xlabel('s [m]')
+mp.ylabel('m')
+mp.title('beta_x  beta_y disp_x' )
+
+
+mp.subplot(212)
+mp.plot(s_pos,closed_orbit_x)
+mp.xlabel('s [m]')
+mp.ylabel('m')
+mp.title('orb_x' )
+mp.show()
+print('tune H:',tuneH,'tune V:',tuneV)
+print('chrom H:',chromH,' chromV:', chromV)
+print('E:', e_eV/1e9,' GeV')