def measDispersion(self):
p = ApMdiSubPlot(live=False)
p.setAttribute(Qt.WA_DeleteOnClose)
curves = [
p.aplot.curve1,
p.aplot.addCurve(), # x and xref
p.aplot.addCurve(),
p.aplot.addCurve() # y and yref
]
for curv in curves:
curv.setStyle(Qwt.QwtPlotCurve.Lines)
curves[0].setPen(QPen(Qt.red, 1.3, Qt.DashLine))
curves[1].setPen(QPen(Qt.red, 1.5))
curves[2].setPen(QPen(Qt.blue, 1.3, Qt.DashLine))
curves[3].setPen(QPen(Qt.blue, 1.5))
curves[2].setSymbol(
Qwt.QwtSymbol(Qwt.QwtSymbol.Triangle, QBrush(Qt.blue),
QPen(Qt.black, 1), QSize(8, 8)))
#p.aplot.curve1.setStyle(Qwt.QwtPlotCurve.)
#p.setWindowTitle("[%s.%s] %s %s" % (mach, lat, title, fld))
self.mdiarea.addSubWindow(p)
#print "Show"
p.show()
#plots.append(p)
#bpms = ap.getGroupMembers(['C20', 'BPM']) + \
# ap.getGroupMembers(['C21', 'BPM'])
bpms = ap.getElements('BPM')
xl = min([q.sb for q in bpms])
xr = max([q.se for q in bpms])
s, btx, bty = [], [], []
try:
etaref = ap.getEta([q.name for q in bpms], spos=True)
curves[1].setData(etaref[:, -1], etaref[:, 0], None)
curves[3].setData(etaref[:, -1], etaref[:, 1], None)
fullmagprof = ap.machines.getLattice().getBeamlineProfile()
magprof = [v for v in fullmagprof if max(v[0]) > xl \
and min(v[0]) < xr]
p.aplot.setMagnetProfile(magprof)
#p.wid.autoScaleXY()
p.aplot.replot()
disp = ap.measDispersion(bpms, verbose=2)
curves[0].setData(disp[:, -1], disp[:, 0], None)
curves[2].setData(disp[:, -1], disp[:, 1], None)
p.wid.autoScaleXY()
p.aplot.replot()
_logger.info("dispersion eta measured")
except:
_logger.error("error at measEta")
raise
_logger.info("finished eta measurement.")
def measDispersion(self):
p = ApMdiSubPlot(live=False)
p.setAttribute(Qt.WA_DeleteOnClose)
curves = [p.aplot.curve1, p.aplot.addCurve(), # x and xref
p.aplot.addCurve(), p.aplot.addCurve() # y and yref
]
for curv in curves: curv.setStyle(Qwt.QwtPlotCurve.Lines)
curves[0].setPen(QPen(Qt.red, 1.3, Qt.DashLine))
curves[1].setPen(QPen(Qt.red, 1.5))
curves[2].setPen(QPen(Qt.blue, 1.3, Qt.DashLine))
curves[3].setPen(QPen(Qt.blue, 1.5))
curves[2].setSymbol(Qwt.QwtSymbol(Qwt.QwtSymbol.Triangle,
QBrush(Qt.blue),
QPen(Qt.black, 1),
QSize(8, 8)))
#p.aplot.curve1.setStyle(Qwt.QwtPlotCurve.)
#p.setWindowTitle("[%s.%s] %s %s" % (mach, lat, title, fld))
self.mdiarea.addSubWindow(p)
#print "Show"
p.show()
#plots.append(p)
#bpms = ap.getGroupMembers(['C20', 'BPM']) + \
# ap.getGroupMembers(['C21', 'BPM'])
bpms = ap.getElements('BPM')
xl = min([q.sb for q in bpms])
xr = max([q.se for q in bpms])
s, btx, bty = [], [], []
try:
etaref = ap.getEta([q.name for q in bpms], spos=True)
curves[1].setData(etaref[:,-1], etaref[:,0], None)
curves[3].setData(etaref[:,-1], etaref[:,1], None)
fullmagprof = ap.machines.getLattice().getBeamlineProfile()
magprof = [v for v in fullmagprof if max(v[0]) > xl \
and min(v[0]) < xr]
p.aplot.setMagnetProfile(magprof)
#p.wid.autoScaleXY()
p.aplot.replot()
disp = ap.measDispersion(bpms, verbose=2)
curves[0].setData(disp[:,-1], disp[:,0], None)
curves[2].setData(disp[:,-1], disp[:,1], None)
p.wid.autoScaleXY()
p.aplot.replot()
_logger.info("dispersion eta measured")
except:
_logger.error("error at measEta")
raise
_logger.info("finished eta measurement.")
def test_meas_dispersion_l2(self):
eta = ap.measDispersion('p*c0[2-4]*')
s, etax, etay = eta[:,-1], eta[:,0], eta[:,1]
if PLOTTING:
plt.clf()
plt.plot(s, etax, '-x', label=r'$\eta_x$')
plt.plot(s, etay, '-o', label=r'$\eta_y$')
plt.legend(loc='upper right')
plt.savefig(figname('test_twiss_dispersion_meas.png'))
self.assertGreater(max(abs(etax)), 0.15)
self.assertGreater(max(abs(etay)), 0.0)
self.assertGreater(min(abs(s)), 0.0)