def steinhardt(VW,L,x,avg=1,step=5e4,rcut=30):
print "Particle Q2_avg Q4_avg Q6_avg Q8_avg Q10_avg"
for k in x:
A = av.average_position(VW,k,avg,L)
Q2_avg = (bond_order.steinhardt_order(A,L[k],l=2,rcut=rcut))
Q4_avg = (bond_order.steinhardt_order(A,L[k],l=4,rcut=rcut))
Q6_avg = (bond_order.steinhardt_order(A,L[k],l=6,rcut=rcut))
Q8_avg = (bond_order.steinhardt_order(A,L[k],l=8,rcut=rcut))
Q10_avg = (bond_order.steinhardt_order(A,L[k],l=10,rcut=rcut))
for i in range(len(Q2_avg)):
print i, Q2_avg[i], Q4_avg[i], Q6_avg[i], Q8_avg[i], Q10_avg[i]
def solid_particles(VW, L, VW_names, x, avg=1, step=5e4, bcc = True, sc = False, GenLattice = False):
solid_particles = []
solid_crystals = []
try:
solid_crystals = util.pickle_load('spcrystal.pkl')
solid_particles = util.pickle_load('solidp.pkl')
except:
for k in x:
print 'step', k
A = av.average_position(VW,k,avg,L)
if bcc:
num, crystals = (bond_order.solid_particles(A,
L[k],c_cut=0.15, count=8,l=6,crystal=7))
if sc:
num, crystals = (bond_order.solid_particles(VW[k],
L[k],c_cut=0.175, count=6,l=4,crystal=5))
solid_crystals.append(crystals)
solid_particles.append(num)
util.pickle_dump(solid_crystals,'spcrystal.pkl')
util.pickle_dump(solid_particles,'solidp.pkl')
fid = open('solidpart.txt','w')
for i in range(len(x)):
fid.write('%i %i %.2f\n'%(x[i], solid_particles[i], L[x[i]][0]))
fid.close()
if GenLattice:
# make an xyz file of the crystals and there locations
f = open('solidpcrystals.xyz','w')
count=0
for k in x:
f.write(('%i \n\n')%(VW.shape[1]))
for i in range((len(solid_crystals[count]))):
if solid_crystals[count][i] == 1:
f.write(('%c %.2f %.2f %.2f \n')%('V',VW[k][i][0],VW[k][i][1],VW[k][i][2]))
else:
f.write(('%c %.2f %.2f %.2f\n')%('W',4*L[k][0],4*L[k][0],4*L[k][0]))
count += 1
f.close()
return x, solid_particles