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GamitStationFile.py
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GamitStationFile.py
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#!/usr/bin/env python
from __future__ import division, print_function, absolute_import
import re
import numpy as np
import gpsTime as gt
def parseSite(station_file,site):
site_RGX = re.compile('^ '+site)
data = {}
data['start_yyyy'] = []
data['start_ddd'] = []
data['antenna_type'] = []
data['antenna_serial'] = []
data['antenna_height'] = []
data['receiver_type'] = []
data['dome_type'] = []
data['end_yyyy'] = []
data['end_ddd'] = []
with open(station_file,'r') as sta:
for line in sta:
if site_RGX.search(line) :
site = line[1:5]
station_name = line[7:25].rstrip()
start_yyyy = line[25:29]
start_ddd = line[30:33]
end_yyyy = line[44:48]
end_ddd = line[49:52]
antenna_height = line[59:70].rstrip()
receiver_type = line[97:119].rstrip()
antenna_type = line[170:186].rstrip()
dome_type = line[187:191].rstrip()
antenna_serial = line[194:214].rstrip()
#print(line)
data['start_yyyy'].append(start_yyyy)
data['start_ddd'].append(start_ddd)
data['antenna_type'].append(antenna_type)
data['antenna_serial'].append(antenna_serial)
data['antenna_height'].append(antenna_height)
data['receiver_type'].append(receiver_type)
data['dome_type'].append(dome_type)
data['end_yyyy'].append(end_yyyy)
data['end_ddd'].append(end_ddd)
#print("<",site,"><",station_name,"><",start_yyyy,"><",start_ddd,"><",end_yyyy,"><",end_ddd,"><",receiver_type,"><",antenna_type,"><",dome_type,">")
return data
def determineESMChanges(start,end,sdata):
'''
determineESMChanges(start,end,sdata)
Determine if there have been any changes, as reported by the station_file,
that will require an new ESM to be computed
Input:
start = date time object
end = date time object
sdata = station data
Output:
change -> dictionary of changes
'''
change = {}
change['start_yyyy'] = [] # date antenna was installed on site
change['start_ddd'] = []
change['stop_yyyy'] = [] # date antenna was removed from the site
change['stop_ddd'] = []
change['ind'] = []
change['valid_from'] = []
change['valid_to'] = []
# set up the initial instrument to have a start time as the first epoch we deal with
change['start_yyyy'].append(start.strftime("%Y"))
change['start_ddd'].append(start.strftime("%j"))
# find the indices where the change occurs due to an antenna type / radome change
ind = antennaChange(sdata)
res_start = int(start.strftime("%Y") + start.strftime("%j"))
res_stop = int(end.strftime("%Y") + end.strftime("%j"))
for i in ind:
sdd = "{:03d}".format(int(sdata['start_ddd'][i]))
stag = int( sdata['start_yyyy'][i] + sdd )
if stag >= res_start and stag <= res_stop :
#print("There is a change on",sdata['start_yyyy'][i],sdata['start_ddd'][i],"to",sdata['antenna_type'][i],sdata['dome_type'][i])
change['start_yyyy'].append(sdata['start_yyyy'][i])
change['start_ddd'].append(sdata['start_ddd'][i])
change['ind'].append(i)
# update the stop time for the previous record
change['stop_yyyy'].append(sdata['start_yyyy'][i])
change['stop_ddd'].append(sdata['start_ddd'][i])
change['stop_yyyy'].append(end.strftime("%Y"))
change['stop_ddd'].append(end.strftime("%j"))
models = np.zeros((np.size(change['ind'])+1,int(360./0.5)+1,int(90/0.5)+1,2))
num_models = np.size(change['ind'])+1
return change
def antennaChange(data): #,start_yyyy,start_ddd,end_yyyy,end_ddd):
ctr = 0
ind = []
for ant in data['antenna_type']:
if ctr > 0:
if data['antenna_type'][ctr] != data['antenna_type'][ctr -1]:
#print("Change of antenna: ",data['antenna_type'][ctr-1],data['antenna_type'][ctr])
ind.append(ctr)
elif data['dome_type'][ctr] != data['dome_type'][ctr -1]:
#print("Change of radome: ",data['dome_type'][ctr-1],data['dome_type'][ctr])
ind.append(ctr)
elif data['antenna_serial'][ctr] != data['antenna_serial'][ctr -1]:
#print("Change of serial number: ",data['antenna_serial'][ctr-1],data['antenna_serial'][ctr])
ind.append(ctr)
elif data['antenna_height'][ctr] != data['antenna_height'][ctr -1]:
#print("Change of antenna height: ",data['antenna_height'][ctr-1],data['antenna_height'][ctr])
ind.append(ctr)
ctr += 1
return ind
def antennaType(data,yyyy,ddd): #,start_yyyy,start_ddd,end_yyyy,end_ddd):
ctr = 0
ind = []
# create a time tag of the form YYYYDDD
tag = int(yyyy+ddd)
antennaType = ''
#I'm assuming the station file data is already in time order...
for i in range(0,np.size( data['start_yyyy'])):
stag = int("{:>04d}{:>03d}".format(int(data['start_yyyy'][i]),int(data['start_ddd'][i])))
#print("Tag:",tag,"stag:",stag,data['antenna_type'][i],data['dome_type'][i])
if stag <= tag:
antennaType = "{:<16s}{:<4s}".format(data['antenna_type'][i],data['dome_type'][i])
return antennaType
#==========================================================================================================
if __name__ == "__main__":
import argparse
parser = argparse.ArgumentParser(prog='esm',description='Parse ANTEX files')
parser.add_argument('-f', '--station_file', dest='station_file', default='./t/station.info',required=True)
parser.add_argument('-s', '--site', dest='site', default='',required=True)
parser.add_argument('--esm_report', dest='esm_report',default=False, action='store_true',
help='Determine when a station will need to create a new ESM, based on equipmet changes')
parser.add_argument('--start_yyyy',dest='start_yyyy',type=int,
help='Year of first epoch in YYYY format')
parser.add_argument('--start_ddd',dest='start_ddd',type=int,
help='Day-of-Year of first epoch in DDD format')
parser.add_argument('--end_yyyy',dest='end_yyyy',type=int,
help='Year of last epoch in YYYY format')
parser.add_argument('--end_ddd',dest='end_ddd',type=int,
help='Day-of-Year of last epoch in DDD format')
args = parser.parse_args()
#=========================================
# find the station meta data for a particular site
station_metadata = parseSite(args.station_file, args.site)
#print("data",data)
#ind = antennaChange(data)
#for i in ind:
# print(data['start_yyyy'][i],data['start_ddd'][i],data['antenna_type'][i],data['dome_type'][i])
#print("ind:",ind)
if args.esm_report:
start = gt.ydhms2dt(args.start_yyyy,args.start_ddd,0,0,0)
end = gt.ydhms2dt(args.end_yyyy,args.end_ddd,0,0,0)
changes = determineESMChanges(start,end,station_metadata)
num_models = np.size(changes['ind'])+1
print(args.site,"requires ",num_models)