some more examples

elettra2test.py

@@ -3,7 +3,7 @@
 import at
 import matplotlib.pylab as mp
 
-ring=at.load_lattice("../../machine/lattice/elettra2/elettra2.mat",energy=2.4e9)
+ring=at.load_lattice("../../machine/lattice/elettra2/srElettra2_9_4_beta.mat",energy=2.4e9)
 
 refpts = range(len(ring) + 1)
 ring.radiation_off()
@@ -55,3 +55,13 @@ mp.show()
 print('tune H:',tuneH,'tune V:',tuneV)
 print('chrom H:',chromH,' chromV:', chromV)
 print('E:', e_eV/1e9,' GeV')
+
+# find index in ring strucutre a specific quadrupole
+
+iq = ring.uint32_refpts('QD_S05_02')[0]  # use also pattern matching idf needed
+
+# get transport matrxi of 'QD_S05_02')
+
+TM = at.find_elem_m66(ring[iq]) # get 6x6 transport materix
+
+