Function for creating raw files from a hebtools displacements DataFrame and creating custom raw files form it.

make_raw_files.py

import pandas as pd
import datetime
import os

def make_raw_files(path_to_raw_df, output_folder):
    raw_df = pd.read_pickle(path_to_raw_df)
    os.chdir(output_folder)
    timestamp = datetime.datetime(2013,2,1,0,17,59)
    half_hour_delta = datetime.timedelta(0,1800)
    final_timestamp = datetime.datetime(2013,2,28,23,48)
    while timestamp < final_timestamp:
        half_hour_end_timestamp = timestamp + half_hour_delta 
        raw_file = raw_df.ix[timestamp:half_hour_end_timestamp]
        timestamp = half_hour_end_timestamp
        raw_file = raw_file[['sig_qual','heave','north','west']]
        raw_file.to_csv(str(timestamp).translate(None,': ') +'.raw', 
                        index=False, header=False )
 
make_raw_files('D://Datawell//Bragar_HebMarine2//2013//February//raw_plus_std', 
               'D://new_raw_output//')