def get_ray_out(ray_out_dir):
file_titles = os.listdir(ray_out_dir)
mode_name = 'mode7'
#worker_,
file_titles.sort(key = lambda x: int(x.split('worker_')[1][:-4]))
raylist = []
fcount = 0
for filename in file_titles:
if '.ray' in filename and mode_name in filename:
if '_0.ray' in filename:
pass
else:
print(filename)
raylist += read_rayfile(os.path.join(ray_out_dir, filename))
fcount+=1
if fcount == 16:
break
return raylist
def getBdir(ray_start,
ray_datenum,
rayfile_directory,
thetas,
phis,
md,
select_random=False):
positions = ray_start
directions = [(0, 0, 0)]
freqs = [15e3]
# going to run a ray real quick
single_run_rays(ray_datenum,
positions,
directions,
freqs,
rayfile_directory,
md,
runmodeldump=False)
# Load all the rayfiles in the output directory
ray_out_dir = rayfile_directory + '/' + dt.datetime.strftime(
ray_datenum, '%Y-%m-%d %H:%M:%S')
file_titles = os.listdir(ray_out_dir)
# create empty lists to fill with ray files and damp files
raylist = []
for filename in file_titles:
if '.ray' in filename and str(md) in filename and str(
'Main') in filename:
print(filename)
raylist += read_rayfile(os.path.join(ray_out_dir, filename))
# get b direction for this ray
for r in raylist:
B0 = [r['B0'].x[0], r['B0'].y[0], r['B0'].z[0]]
# vec in T in SM car coordinates
# create unit vector
Bmag = np.sqrt(r['B0'].x[0]**2 + r['B0'].y[0]**2 + r['B0'].z[0]**2)
Bunit = [r['B0'].x[0] / Bmag, r['B0'].y[0] / Bmag, r['B0'].z[0] / Bmag]
# now we have Bunit in SM car
# let's put it in spherical (easier for changing the wavenormal)
sph_dir = convert2([Bunit], ray_datenum, 'SM', 'car', ['Re', 'Re', 'Re'],
'SM', 'sph', ['Re', 'deg', 'deg'])
# also return resonance angle, can be useful for initializing rays
from ray_plots import stix_parameters
R, L, P, S, D = stix_parameters(
r, 0, r['w']) # get stix params for initial time point
resangle = np.arctan(np.sqrt(-P / S))
converted_dirs = []
# if select random was chosen, thetas and phis are passed in as list of zeros of length nrays
if select_random == True:
nrays = len(thetas)
hemi_mult = thetas[0]
thetas = []
phis = []
resangle_deg = resangle * 180 / np.pi
for n in range(0, nrays):
# sample theta as concentric circles around the z axis, max at resonance angle
thetas.append((random.random() * (resangle_deg - 3)))
# uniform azimuth around the z axis
phis.append(random.random() * 360)
if Bunit[0] == 0 or Bunit[2] == 0:
r1 = [1, (-1 * Bunit[0] - Bunit[2]) / Bunit[1], 1]
else:
r1 = [1, 1, (-1 * Bunit[1] - Bunit[0]) / Bunit[2]]
r1 = np.array(r1) / np.linalg.norm(np.array(r1))
r2 = np.cross(r1, Bunit)
T_rotate = np.column_stack((r1, r2, Bunit))
#ax = plt.axes(projection='3d')
for th, ph in zip(thetas, phis):
r = 1 / (np.cos(th * D2R))
cone_vec = np.array([
r * np.sin(th * D2R) * np.cos(ph * D2R),
r * np.sin(th * D2R) * np.sin(ph * D2R), r * np.cos(th * D2R)
])
cone_vec = np.matmul(T_rotate, np.transpose(cone_vec))
if hemi_mult == 180:
zsign = -1
else:
zsign = 1
cone_vec = cone_vec / np.linalg.norm(cone_vec)
converted_dirs.append(zsign * cone_vec)
#ax.quiver(0,0,0,zsign*cone_vec[0],zsign*cone_vec[1],zsign*cone_vec[2],length=1)
#ax.quiver(0,0,0,Bunit[0],Bunit[1],Bunit[2],length=1.25)
#ax.axes.set_xlim3d(left=0, right=1.5)
#ax.axes.set_ylim3d(bottom=0, top=1.5)
#ax.axes.set_zlim3d(bottom=0, top=1.5)
#plt.show()
#plt.close()
# add theta and phi as desired
else:
for theta, phi in zip(thetas, phis):
new_dir = [
sph_dir[0][0], sph_dir[0][1] + theta, sph_dir[0][2] + phi
]
converted_dir = convert2([new_dir], ray_datenum, 'SM', 'sph',
['Re', 'deg', 'deg'], 'SM', 'car',
['Re', 'Re', 'Re'])
converted_dirs.append(converted_dir[0])
return converted_dirs, resangle, thetas, phis # returns unit vector of directions corresponding to input theta and phi vals
f = open(th_file)
thetas_save = []
for line in f:
thetas_save.append(float(line))
f.close()
mode_name = 'mode' + str(md) + '.'
raylist = []
r_savex = []
r_savey = []
# use mode name to avoid workers of the same label
for filename in file_titles:
if '.ray' in filename and mode_name in filename:
raylist += read_rayfile(os.path.join(ray_out_dir, filename))
print(filename)
# lets chunk into a time vector
t = np.linspace(0, 0.4, num=1)
t = [0.2]
imgs = []
# we need the positions of the satellites -- use the sat class
dsx = sat() # define a satellite object
dsx.catnmbr = 44344 # provide NORAD ID
dsx.time = ray_datenum # set time
dsx.getTLE_ephem() # get TLEs nearest to this time -- sometimes this will lag
# propagate the orbit! setting sec=0 will give you just the position at that time
dsx.propagatefromTLE(sec=0,
def find_crossings(
ray_dir='/shared/users/asousa/WIPP/rays/2d/nightside/gcpm_kp0/',
mlt=0,
tmax=10,
dt=0.1,
lat_low=None,
f_low=200,
f_hi=30000,
center_lon=None,
lon_spacing=None,
itime=datetime.datetime(2010, 1, 1, 0, 0, 0),
lat_step_size=1,
n_sub_freqs=10,
Llims=[1.2, 8],
L_step=0.2,
dlat_fieldline=1,
frame_directory=None,
DAMP_THRESHOLD=1e-3):
# Constants
Hz2Rad = 2. * np.pi
D2R = np.pi / 180.
R2D = 180. / np.pi
H_IONO_BOTTOM = 1e5
H_IONO_TOP = 1e6
R_E = 6371e3
C = 2.997956376932163e8
# DAMP_THRESHOLD = 1e-3 # Threshold below which we don't log a crossing
lat_hi = lat_low + lat_step_size
Lshells = np.arange(Llims[0], Llims[1], L_step)
L_MARGIN = L_step / 2.0
# print "doing Lshells ", Lshells
# Coordinate transform tools
xf = xflib.xflib(
lib_path=
'/shared/users/asousa/WIPP/WIPP_stencils/python/methods/libxformd.so')
t = np.arange(0, tmax, dt)
itime = datetime.datetime(2010, 1, 1, 0, 0, 0)
# Find available rays
d = os.listdir(ray_dir)
freqs = sorted([int(f[2:]) for f in d if f.startswith('f_')])
d = os.listdir(os.path.join(ray_dir, 'f_%d' % freqs[0]))
lons = sorted([float(f[4:]) for f in d if f.startswith('lon_')])
d = os.listdir(os.path.join(ray_dir, 'f_%d' % freqs[0],
'lon_%d' % lons[0]))
lats = sorted([float(s.split('_')[2]) for s in d if s.startswith('ray_')])
# Latitude spacing:
latln_pairs = [(lat_low, lat_hi)]
# Adjacent frequencies to iterate over
freqs = [f for f in freqs if f >= f_low and f <= f_hi]
freq_pairs = zip(freqs[0:-1], freqs[1:])
#--------------- Load and interpolate the center longitude entries ------------------------------------
center_data = dict()
for freq in freqs:
logging.info("Loading freq: %d" % freq)
for lat in [lat_low, lat_hi]:
lon = center_lon
filename = os.path.join(ray_dir, 'f_%d' % freq, 'lon_%d' % lon,
'ray_%d_%d_%d.ray' % (freq, lat, lon))
# print filename
rf = read_rayfile(filename)[0]
filename = os.path.join(ray_dir, 'f_%d' % freq, 'lon_%d' % lon,
'damp_%d_%d_%d.ray' % (freq, lat, lon))
df = read_damp(filename)[0]
t_cur = t[t <= rf['time'].iloc[-1]]
# Interpolate onto our new time axis:
x = interpolate.interp1d(rf['time'],
rf['pos']['x']).__call__(t_cur) / R_E
y = interpolate.interp1d(rf['time'],
rf['pos']['y']).__call__(t_cur) / R_E
z = interpolate.interp1d(rf['time'],
rf['pos']['z']).__call__(t_cur) / R_E
d = interpolate.interp1d(df['time'],
df['damping'],
bounds_error=False,
fill_value=0).__call__(t_cur)
v = interpolate.interp1d(df['time'], rf['vgrel'],
axis=0).__call__(t_cur)
vmag = np.linalg.norm(v, axis=1)
B = interpolate.interp1d(rf['time'], rf['B0'],
axis=0).__call__(t_cur)
Bnorm = np.linalg.norm(B, axis=1)
Bhat = B / Bnorm[:, np.newaxis]
stixR, stixL, stixP = calc_stix_parameters(rf, t_cur)
n = interpolate.interp1d(df['time'], rf['n'],
axis=0).__call__(t_cur)
mu = np.linalg.norm(n, axis=1)
# kvec = n*rf['w']/C
# kz = -1.0*np.sum(kvec*Bhat, axis=1) # dot product of rows
# kx = np.linalg.norm(kvec + Bhat*kz[:,np.newaxis], axis=1)
# psi = R2D*np.arctan2(-kx, kz)
# kvec = n*rf['w']/C
# kz = np.sum(kvec*Bhat, axis=1) # dot product of rows
# kx = np.linalg.norm(kvec - Bhat*kz[:,np.newaxis], axis=1)
# psi = np.arctan2(kx, kz)
# psi = R2D*np.arctan2(kx, kz)
kvec = n * rf['w'] / C
kz = np.sum(kvec * Bhat, axis=1) # dot product of rows
kx = np.linalg.norm(np.cross(kvec, Bhat),
axis=1) # Cross product of rows
psi = np.arctan2(kx, kz)
# Stash it somewhere:
key = (freq, lat, lon)
curdata = dict()
# Flatten out any longitude variation, just to be sure:
curdata['pos'] = flatten_longitude_variation(np.vstack([x, y, z]),
itime,
xf=xf)
# curdata['pos'] = np.vstack([x,y,z])
curdata['damp'] = d
curdata['nt'] = len(t_cur)
curdata['stixR'] = stixR
curdata['stixP'] = stixP
curdata['stixL'] = stixL
curdata['mu'] = mu
curdata['psi'] = psi
curdata['vgrel'] = vmag
center_data[key] = curdata
#------------ Rotate center_longitude rays to new longitudes ---------------------------
logging.info("Rotating to new longitudes")
ray_data = dict()
for key in center_data.keys():
for lon in [
center_lon - lon_spacing / 2., center_lon + lon_spacing / 2.
]:
newkey = (key[0], key[1], lon)
dlon = lon - key[2]
d = dict()
d['pos'] = rotate_latlon(center_data[key]['pos'], itime, 0, dlon,
xf)
d['damp'] = center_data[key]['damp']
d['stixR'] = center_data[key]['stixR']
d['stixL'] = center_data[key]['stixL']
d['stixP'] = center_data[key]['stixP']
d['mu'] = center_data[key]['mu']
d['psi'] = center_data[key]['psi']
d['vgrel'] = center_data[key]['vgrel']
ray_data[newkey] = d
# ------------------ Set up field lines ----------------------------
logging.info("Setting up EA grid")
fieldlines = gen_EA_array(Lshells,
dlat_fieldline,
lon,
itime,
L_MARGIN,
xf=xf)
#----------- Step through and fill in the voxels (the main event) ---------------------
logging.info("Starting interpolation")
lat_pairs = [(lat_low, lat_hi)]
lon_pairs = [(center_lon - lon_spacing / 2., center_lon + lon_spacing / 2.)
]
# output space
nfl = len(fieldlines)
nlons = 1
nt = len(t)
n_freq_pairs = len(freq_pairs)
data_total = np.zeros([nfl, n_freq_pairs, nlons, nt])
lon1 = center_lon - lon_spacing / 2.
lon2 = center_lon + lon_spacing / 2.
for t_ind in np.arange(nt - 1):
# Per frequency
data_cur = np.zeros(nfl)
logging.info("t = %g" % (t_ind * dt))
for freq_ind, (f1, f2) in enumerate(freq_pairs):
# print "doing freqs between ", f1, "and", f2
# Loop over adjacent sets:
if n_sub_freqs == 0:
ff = np.arange(0, (f2 - f1),
1) # This version for uniform in frequency
else:
ff = np.arange(0, n_sub_freqs,
1) # This version for constant steps per pair
nf = len(ff)
fine_freqs = f1 + (f2 - f1) * ff / nf
# print fine_freqs
for lat1, lat2 in lat_pairs:
k0 = (f1, lat1, lon1)
k1 = (f1, lat2, lon1)
k2 = (f2, lat1, lon1)
k3 = (f2, lat2, lon1)
k4 = (f1, lat1, lon2)
k5 = (f1, lat2, lon2)
k6 = (f2, lat1, lon2)
k7 = (f2, lat2, lon2)
clat = (lat1 + lat2) / 2.
f_center = (f1 + f2) / 2.
tmax_local = min(
np.shape(ray_data[k0]['pos'])[1],
np.shape(ray_data[k1]['pos'])[1],
np.shape(ray_data[k2]['pos'])[1],
np.shape(ray_data[k3]['pos'])[1],
np.shape(ray_data[k4]['pos'])[1],
np.shape(ray_data[k5]['pos'])[1],
np.shape(ray_data[k6]['pos'])[1],
np.shape(ray_data[k7]['pos'])[1])
if (t_ind < tmax_local - 1):
points_4d = np.hstack([
np.vstack([
ray_data[k0]['pos'][:, t_ind:t_ind + 2],
np.zeros([1, 2])
]),
np.vstack([
ray_data[k1]['pos'][:, t_ind:t_ind + 2],
np.zeros([1, 2])
]),
np.vstack([
ray_data[k2]['pos'][:, t_ind:t_ind + 2],
np.ones([1, 2]) * nf
]),
np.vstack([
ray_data[k3]['pos'][:, t_ind:t_ind + 2],
np.ones([1, 2]) * nf
]),
np.vstack([
ray_data[k4]['pos'][:, t_ind:t_ind + 2],
np.zeros([1, 2])
]),
np.vstack([
ray_data[k5]['pos'][:, t_ind:t_ind + 2],
np.zeros([1, 2])
]),
np.vstack([
ray_data[k6]['pos'][:, t_ind:t_ind + 2],
np.ones([1, 2]) * nf
]),
np.vstack([
ray_data[k7]['pos'][:, t_ind:t_ind + 2],
np.ones([1, 2]) * nf
])
])
voxel_vol = voxel_vol_nd(points_4d) * pow(R_E, 3.)
# damps_2d = np.hstack([ray_data[k0]['damp'][t_ind:t_ind+2],
# ray_data[k1]['damp'][t_ind:t_ind+2],
# ray_data[k2]['damp'][t_ind:t_ind+2],
# ray_data[k3]['damp'][t_ind:t_ind+2]])
# damping_avg = np.mean(damps_2d)
damping_pts = np.hstack([
ray_data[kk]['damp'][t_ind:t_ind + 2]
for kk in [k0, k1, k2, k3, k4, k5, k6, k7]
])
damp_interp = interpolate.NearestNDInterpolator(
points_4d.T, damping_pts)
points_2d = np.hstack([
np.vstack([
ray_data[k4]['pos'][[0, 2], t_ind:t_ind + 2],
np.zeros([1, 2])
]),
np.vstack([
ray_data[k5]['pos'][[0, 2], t_ind:t_ind + 2],
np.zeros([1, 2])
]),
np.vstack([
ray_data[k6]['pos'][[0, 2], t_ind:t_ind + 2],
np.ones([1, 2]) * nf
]),
np.vstack([
ray_data[k7]['pos'][[0, 2], t_ind:t_ind + 2],
np.ones([1, 2]) * nf
])
])
# We really should interpolate these 16 corner points instead of just averaging them.
stixR_pts = np.hstack([
ray_data[kk]['stixR'][t_ind:t_ind + 2]
for kk in [k0, k1, k2, k3, k4, k5, k6, k7]
])
stixL_pts = np.hstack([
ray_data[kk]['stixL'][t_ind:t_ind + 2]
for kk in [k0, k1, k2, k3, k4, k5, k6, k7]
])
stixP_pts = np.hstack([
ray_data[kk]['stixP'][t_ind:t_ind + 2]
for kk in [k0, k1, k2, k3, k4, k5, k6, k7]
])
mu_pts = np.hstack([
ray_data[kk]['mu'][t_ind:t_ind + 2]
for kk in [k0, k1, k2, k3, k4, k5, k6, k7]
])
psi_pts = np.hstack([
ray_data[kk]['psi'][t_ind:t_ind + 2]
for kk in [k0, k1, k2, k3, k4, k5, k6, k7]
])
vel_pts = np.hstack([
ray_data[kk]['vgrel'][t_ind:t_ind + 2]
for kk in [k0, k1, k2, k3, k4, k5, k6, k7]
])
stixR_interp = interpolate.NearestNDInterpolator(
points_4d.T, stixR_pts)
stixL_interp = interpolate.NearestNDInterpolator(
points_4d.T, stixL_pts)
stixP_interp = interpolate.NearestNDInterpolator(
points_4d.T, stixP_pts)
mu_interp = interpolate.NearestNDInterpolator(
points_4d.T, mu_pts)
psi_interp = interpolate.NearestNDInterpolator(
points_4d.T, psi_pts)
vel_interp = interpolate.NearestNDInterpolator(
points_4d.T, vel_pts)
# tri = Delaunay(points_2d.T, qhull_options='QJ')
tri = Delaunay(points_4d.T, qhull_options='QJ')
# Loop through the output fieldlines
for fl_ind, fl in enumerate(fieldlines):
ix = np.arange(0, len(fl['pos']))
ief = np.arange(0, nf)
px, pf = np.meshgrid(
ix, ief, indexing='ij'
) # in 3d, ij gives xyz, xy gives yxz. dumb.
# newpoints = np.hstack([fl['pos'][px.ravel(),:][:,[0,2]], np.atleast_2d(ff[pf.ravel()]).T])
newpoints = np.hstack([
fl['pos'][px.ravel(), :],
np.atleast_2d(ff[pf.ravel()]).T
])
mask = (tri.find_simplex(newpoints) >= 0) * 1.0
# mask = mask.reshape([len(ix), len(ief)])
# Entries in newpoints are inside the volume if mask is nonzero
# (Mask gives the index of the triangular element which contains it)
# for row in newpoints[mask > 0]:
# print "L:", fl['L'], xf.sm2rllmag(row[:-1], itime)
# fieldlines[fl_ind]['crossings'].append(xf.sm2rllmag(row[:-1], itime))
mask = mask.reshape([len(ix), len(ief)])
minds = np.nonzero(mask)
if len(minds[0]) > 0:
# unscaled_pwr = (damping_avg/voxel_vol)
hit_lats = fl['lat'][minds[0]]
hit_freqs = fine_freqs[minds[1]]
# # print "t = ", t_ind, "L = ", fl['L']
# print hit_lats, hit_freqs
# hit latitude, hit frequency (indices)
for hl, hf in zip(minds[0], minds[1]):
cur_pos = np.hstack([fl['pos'][hl, :], ff[hf]])
psi = psi_interp(cur_pos)[0]
mu = mu_interp(cur_pos)[0]
damp = damp_interp(cur_pos)[0]
vel = vel_interp(cur_pos)[0] * C
# [unitless][m/s][1/m^3] ~ 1/m^2/sec. Multiply by total input energy.
if (damp > DAMP_THRESHOLD):
pwr_scale_factor = damp * vel / voxel_vol
tt = np.round(100. * t_ind * dt) / 100.
fieldlines[fl_ind]['crossings'][hl].append(
(tt, fine_freqs[hf], pwr_scale_factor,
psi, mu, damp, vel))
# fl['crossings'].append([fl['L'], fl['lat'][hl], t_ind*dt, fine_freqs[hf]])
# # Stix parameters are functions of the background medium only,
# # but we'll average them because we're grabbing them from the
# # rays at slightly different locations within the cell.
# # print np.shape(fl['pos'])
fieldlines[fl_ind]['stixR'][
hl] += stixR_interp(cur_pos)[0]
fieldlines[fl_ind]['stixL'][
hl] += stixL_interp(cur_pos)[0]
fieldlines[fl_ind]['stixP'][
hl] += stixP_interp(cur_pos)[0]
fieldlines[fl_ind]['hit_counts'][hl] += 1
# logging.info("finished with interpolation")
logging.info("finished with interpolation")
# Average the background medium parameters:
for fl_ind, fl in enumerate(fieldlines):
for lat_ind in range(len(fl['crossings'])):
n_hits = fl['hit_counts'][lat_ind]
if n_hits > 0:
# print fl['L'], ":", fl['lat'][lat_ind],": hit count: ", fl['hit_counts'][lat_ind]
# average stixR, stixL, stixP
fl['stixP'][lat_ind] /= n_hits
fl['stixR'][lat_ind] /= n_hits
fl['stixL'][lat_ind] /= n_hits
fl['hit_counts'][lat_ind] = 1
out_data = dict()
out_data['fieldlines'] = fieldlines
out_data['time'] = t
out_data['Lshells'] = Lshells
out_data['lat_low'] = lat_low
out_data['lat_hi'] = lat_hi
out_data['fmin'] = f_low
out_data['fmax'] = f_hi
out_data['freq_pairs'] = freq_pairs
return out_data
def dopp_delay(nrays, rayfile_directory, tnt_times_shift, dur_shift, startf_shift, stopf_shift):
find_tle_time = tnt_times_shift[0]
find_tle_time = find_tle_time.replace(tzinfo=dt.timezone.utc)
# get angle defs
thetas, phis = antenna_MC(nrays)
thetas = []
for nr in range(nrays//2):
th = random.randrange(60, 90)
th = random.randrange(-90, -60)
thetas.append(th)
phis = np.zeros(nrays)
# change dirs to SR interface
cwd = os.getcwd()
os.chdir('/home/rileyannereid/workspace/SR_interface')
# define a satellite object
dsx = sat()
dsx.catnmbr = 44344
dsx.time = find_tle_time
dsx.getTLE_ephem()
vpm = sat()
vpm.catnmbr = 45120
vpm.time = find_tle_time
vpm.getTLE_ephem()
# loop through tnt times
tnt_dop = []
tnt_t = []
#record all shifts
alldop = []
allsec = []
allthetas = []
for tim, dur, strf, stpf in zip(tnt_times_shift, dur_shift, startf_shift, stopf_shift):
pulse_t = []
pulse_freqs = []
if dur == 150:
pulse_t.append(tim)
pulse_t.append(tim + dt.timedelta(microseconds=75e3))
pulse_t.append(tim + dt.timedelta(microseconds=150e3))
pulse_freqs.append(strf)
pulse_freqs.append(strf+100)
pulse_freqs.append(strf-100)
elif dur == 250: # exclude large f ramps
pulse_t.append(tim)
pulse_t.append(tim+dt.timedelta(microseconds=dur*1e3))
pulse_freqs.append(strf)
pulse_freqs.append(stpf)
# loop through 'pulses'
pulse_dop = []
pulse_tdelay = []
for t_time, freq in zip(pulse_t, pulse_freqs):
dsx.time = t_time
vpm.time = t_time
vpm.propagatefromTLE(sec=0, orbit_dir='future', crs='SM', carsph='car', units=['m','m','m'])
dsx.propagatefromTLE(sec=0, orbit_dir='future', crs='SM', carsph='car', units=['m','m','m'])
ray_start = dsx.pos
ray_start_vel = dsx.vel[0]
ray_end_vel = vpm.vel[0]
# returns a vector of directions (thetas and phis must be same length)
directions = getBdir(ray_start, t_time, rayfile_directory, thetas, phis)
positions = [ray_start[0] for n in range(nrays)]
freqs = [freq for n in range(nrays)]
single_run_rays(t_time, positions, directions, freqs, rayfile_directory)
# Load all the rayfiles in the output directory
ray_out_dir = rayfile_directory + '/'+dt.datetime.strftime(t_time, '%Y-%m-%d %H:%M:%S')
file_titles = os.listdir(ray_out_dir)
# create empty lists to fill with ray files and damp files
raylist = []
for filename in file_titles:
if '.ray' in filename:
raylist += read_rayfile(os.path.join(ray_out_dir, filename))
doppler_shifted = []
time_shifted = []
for ri, r in enumerate(raylist):
rn = r['n']
first_ind = rn.index[0]
final_n = rn.index[-1]
rtime = r['time']
# check for bad rays
if rtime[final_n] < 0.01: # likely did not propagate then (NEED TO CONFIRM THIS)
continue # go to next ray
# initial shift
nmag = np.sqrt(rn.x[first_ind]**2 + rn.y[first_ind]**2 + rn.z[first_ind]**2)
vmag = np.sqrt(ray_start_vel[0]**2 + ray_start_vel[1]**2 + ray_start_vel[2]**2)
n_d0t_v = (rn.x[first_ind]*ray_start_vel[0] + rn.y[first_ind]*ray_start_vel[1] + rn.z[first_ind]*ray_start_vel[2])
fshift = freq * (1 - n_d0t_v/C)
# final shift
nmag = np.sqrt(rn.x[final_n]**2 + rn.y[final_n]**2 + rn.z[final_n]**2)
vmag = np.sqrt(ray_end_vel[0]**2 + ray_end_vel[1]**2 + ray_end_vel[2]**2)
n_d0t_v = (rn.x[final_n]*ray_end_vel[0] + rn.y[final_n]*ray_end_vel[1] + rn.z[final_n]*ray_end_vel[2])
fshift = fshift * (1 - n_d0t_v/C)
doppler_shifted.append(fshift/1e3)
time_shifted.append(dt.timedelta(seconds=rtime[final_n]) + t_time)
allsec.append(rtime[final_n])
alldop.append(fshift-freq)
allthetas.append(thetas[ri])
ray = r
pulse_dop.append(doppler_shifted)
pulse_tdelay.append(time_shifted)
# last level
tnt_dop.append(pulse_dop)
tnt_t.append(pulse_tdelay)
print('tnt time is', tim)
return tnt_dop, tnt_t, alldop, allsec, allthetas, ray