def read_scan(radar_obj, sweep_num, **kwargs):
if "avail_index" in kwargs.keys():
avail_index=kwargs['avail_index']
else:
radar_index={'DZ':0,'VR':1,'SW':2, 'CZ':3,'ZT':4,'DR':5,'LR':6,'ZD':7,'DM':8, 'RH':9,'PH':10,'XZ':11,'CR':12,'MZ':13,'MR':14, 'ZE':15,'VE':16,'KD':17,'TI':18,'DX':19,'CH':20,'AH':21,'CV':22, 'AV':23,'SQ':24}
avail_index={}
for index in radar_index.keys():
if pyradar.volume_exists(radar_obj, radar_index[index]): avail_index.update({index:radar_index[index]})
test_index=avail_index[avail_index.keys()[0]]
myvol=pyradar.get_volume(radar_obj, test_index)
mysweep=pyradar.get_sweep(myvol, sweep_num)
myray=pyradar.get_ray(mysweep, 0)
ngates=pyradar.get_ngates(myray)
nrays=pyradar.get_nrays(mysweep)
rng=linspace(pyradar.get_first_gate(myray), pyradar.get_first_gate(myray)+pyradar.get_gate_size(myray)*(pyradar.get_ngates(myray)-1.0), pyradar.get_ngates(myray))/1000.0
date_dict={'y':pyradar.get_yr(myray),'m':pyradar.get_month(myray),'d':pyradar.get_day(myray),'HH':pyradar.get_hour(myray), 'MM':pyradar.get_min(myray)}
my_str="%(y)04d%(m)02d%(d)02d %(HH)02d%(MM)02d" %date_dict
print ngates
print nrays
my_dict={}
for index in avail_index.keys():
darr=zeros([nrays,ngates], dtype=float)
rarr=zeros([nrays,ngates], dtype=float)
elevs=zeros([nrays], dtype=float)
azimuths=zeros([nrays], dtype=float)
myvol=pyradar.get_volume(radar_obj, avail_index[index])
mysweep=pyradar.get_sweep(myvol, sweep_num)
for i in range(nrays):
elevs[i]=pyradar.get_elev(myray)
azimuths[i]=pyradar.get_azimuth(myray)
rarr[i,:]=rng
for j in range(ngates):
myray=pyradar.get_ray(mysweep, i)
darr[i,j]=pyradar.get_value(myray, j)
my_dict.update({index:darr})
my_dict.update({'Azmth':azimuths})
my_dict.update({'range':rarr})
my_dict.update({'Elev':elevs})
my_dict.update({'date':num2date(datestr2num(my_str))})
my_dict.update({'radar_name':pyradar.get_radarname(radar_obj)})
my_dict.update({'radar_loc':[pyradar.get_lat(radar_obj),pyradar.get_lon(radar_obj)]})
return my_dict
def read_volume(radar_obj, **kwargs):
if "avail_index" in kwargs.keys():
avail_index=kwargs['avail_index']
else:
radar_index={'DZ':0,'VR':1,'SW':2, 'CZ':3,'ZT':4,'DR':5,'LR':6,'ZD':7,'DM':8, 'RH':9,'PH':10,'XZ':11,'CR':12,'MZ':13,'MR':14, 'ZE':15,'VE':16,'KD':17,'TI':18,'DX':19,'CH':20,'AH':21,'CV':22, 'AV':23,'SQ':24}
avail_index={}
for index in radar_index.keys():
if pyradar.volume_exists(radar_obj, radar_index[index]): avail_index.update({index:radar_index[index]})
nscans=pyradar.get_nsweeps(pyradar.get_volume(radar_obj,avail_index[avail_index.keys()[0]]))
scanlist=[]
for i in range(nscans):
print "Reading scan ",i+1, " of ", nscans
scanlist.append(append_ijk(append_xyz(read_scan(radar_obj, i, avail_index=avail_index))))
return scanlist