pylot/scripts/pylot-snr.py

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#!/usr/bin/python
# -*- coding: utf-8 -*-
"""
Created Mar/Apr 2015
Function to calculate SNR of certain part of seismogram relative
to given time. Returns SNR and SNR [dB].
:author: Ludger Kueperkoch /MAGS EP3 working group
"""
import argparse
import obspy
from pylot.core.pick.utils import getSNR
if __name__ == "__main__":
parser = argparse.ArgumentParser()
parser.add_argument('--data', '-d', type=obspy.core.stream.Stream,
help='time series (seismogram) read with obspy module '
'read',
dest='data')
parser.add_argument('--tsnr', '-s', type=tuple,
help='length of time windows around pick used to '
'determine SNR [s] (Tnoise, Tgap, Tsignal)',
dest='tsnr')
parser.add_argument('--time', '-t', type=float,
help='initial time from which noise and signal windows '
'are calculated',
dest='time')
args = parser.parse_args()
print getSNR(args.data, args.tsnr, args.time)