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Removing wire dipolar kick #84

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Removing wire dipolar kick #84

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31 changes: 26 additions & 5 deletions pymask/pymasktools.py
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Original file line number Diff line number Diff line change
Expand Up @@ -457,6 +457,8 @@ def generate_xsuite_line(mad, seq_name, bb_df,
xf.configure_orbit_dependent_parameters_for_bb(tracker,
particle_on_co=particle_on_tracker_co)



_disable_beam_beam(tracker.line)
RR_finite_diffs = tracker.compute_one_turn_matrix_finite_differences(
particle_on_tracker_co,
Expand All @@ -465,7 +467,7 @@ def generate_xsuite_line(mad, seq_name, bb_df,


(WW_finite_diffs, WWInv_finite_diffs, RotMat_finite_diffs
) = xp.compute_linear_normal_form(RR_finite_diffs)
) = xp.compute_linear_normal_form(RR_finite_diffs, stability_tol=0.05)

line_bb_for_tracking_dict = line.to_dict()
line_bb_for_tracking_dict['particle_on_tracker_co'] = (
Expand Down Expand Up @@ -498,14 +500,16 @@ def save_mad_sequence_and_error(mad, seq_name, filename='lhc'):
def _disable_beam_beam(line):
for ee in line.elements:
if ee.__class__.__name__.startswith('BeamBeam'):
ee._temp_q0 = ee.other_beam_q0
ee.other_beam_q0 = 0
if ee.__class__.__name__ == 'BeamBeamBiGaussian2D':
ee._temp_q0 = ee.other_beam_q0
ee.other_beam_q0 = 0
ee._temp_d_px = ee.post_subtract_px
ee._temp_d_py = ee.post_subtract_py
ee.post_subtract_px = 0.
ee.post_subtract_py = 0.
elif ee.__class__.__name__ == 'BeamBeamBiGaussian3D':
ee._temp_q0 = ee.other_beam_q0
ee.other_beam_q0 = 0
ee._temp_Dx_sub = ee.post_subtract_x
ee._temp_Dpx_sub = ee.post_subtract_px
ee._temp_Dy_sub = ee.post_subtract_y
Expand All @@ -520,24 +524,34 @@ def _disable_beam_beam(line):
ee.post_subtract_pzeta = 0.
else:
raise ValueError('What?!')
elif ee.__class__.__name__ == 'Wire':
ee._temp_current = ee.current
ee._temp_d_px = ee.post_subtract_px
ee._temp_d_py = ee.post_subtract_py
ee.post_subtract_px = 0.
ee.post_subtract_py = 0.
ee.current = 0.

def _restore_beam_beam(line):
for ee in line.elements:
if ee.__class__.__name__.startswith('BeamBeam'):
ee.other_beam_q0 = ee._temp_q0
del(ee._temp_q0)

if ee.__class__.__name__ == 'BeamBeamBiGaussian2D':
ee.other_beam_q0 = ee._temp_q0
ee.post_subtract_px = ee._temp_d_px
ee.post_subtract_py = ee._temp_d_py
del(ee._temp_q0)
del(ee._temp_d_px)
del(ee._temp_d_py)
elif ee.__class__.__name__ == 'BeamBeamBiGaussian3D':
ee.other_beam_q0 = ee._temp_q0
ee.post_subtract_x = ee._temp_Dx_sub
ee.post_subtract_px = ee._temp_Dpx_sub
ee.post_subtract_y = ee._temp_Dy_sub
ee.post_subtract_py = ee._temp_Dpy_sub
ee.post_subtract_zeta = ee._temp_Dzeta_sub
ee.post_subtract_pzeta = ee._temp_Dpzeta_sub
del(ee._temp_q0)
del(ee._temp_Dx_sub)
del(ee._temp_Dpx_sub)
del(ee._temp_Dy_sub)
Expand All @@ -546,6 +560,13 @@ def _restore_beam_beam(line):
del(ee._temp_Dpzeta_sub)
else:
raise ValueError('What?!')
elif ee.__class__.__name__ == 'Wire':
ee.current = ee._temp_current
ee.post_subtract_px = ee._temp_d_px
ee.post_subtract_py = ee._temp_d_py
del(ee._temp_current)
del(ee._temp_d_px)
del(ee._temp_d_py)



Expand Down