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""" |
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Parse sodar data and assert what data and info goes into |
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creating and updating monthly netcdf files. |
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>> (parse, create, update) = load_processors('proc_rdi_rawdata_sodar') |
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>> data = parse(lines) |
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>> create(platform_info, sensor_info, data) |
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>> update(platform_info, sensor_info, data) |
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""" |
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from sodar import RawData |
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def parser(lines): |
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""" |
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Parse and assign wind profile data from raw Sodar file. |
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""" |
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rawData = RawData('\n'.join(lines)) |
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data = { |
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} |
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return data |
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def creator(platform_info, sensor_info, data): |
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title_str = sensor_info['description']+' at '+ platform_info['location'] |
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global_atts = { |
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'title' : title_str, |
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'institution' : 'Unversity of North Carolina at Chapel Hill (UNC-CH)', |
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'institution_url' : 'http://nccoos.unc.edu', |
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'institution_dods_url' : 'http://nccoos.unc.edu', |
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'metadata_url' : 'http://nccoos.unc.edu', |
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'references' : 'http://nccoos.unc.edu', |
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'contact' : 'Sara Haines (haines@email.unc.edu)', |
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'source' : 'fixed-profiler (acoustic doppler) observation', |
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'history' : 'Data processed by NCCOOS', |
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'comment' : 'File created using pycdf'+pycdfVersion()+' and numpy '+pycdfArrayPkg(), |
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'Conventions' : 'CF-1.0; SEACOOS-CDL-v2.0', |
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'format_category_code' : 'fixed-profiler', |
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'institution_code' : platform_info['instituion'], |
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'platform_code' : platform_info['id'], |
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'package_code' : sensor_info['id'], |
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'project' : 'North Carolina Coastal Ocean Observing System (NCCOOS)', |
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'project_url' : 'http://nccoos.unc.edu', |
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'start_date' : data['sample_dt'].strftime("%Y-%m-%d %H:%M:%S"), |
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'end_date' : data['sample_dt'].strftime("%Y-%m-%d %H:%M:%S"), |
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'release_date' : now.strftime("%Y-%m-%d %H:%M:%S"), |
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'creation_date' : now.strftime("%Y-%m-%d %H:%M:%S"), |
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'modification_date' : now.strftime("%Y-%m-%d %H:%M:%S"), |
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'process_level' : 'level1', |
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'_FillValue' : -99999., |
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} |
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var_atts = { |
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'time' : {'short_name': 'time', |
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'long_name': 'Time', |
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'standard_name': 'time', |
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'units': 'seconds since 1970-1-1 00:00:00 -0', |
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'axis': 'T', |
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}, |
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'lat' : {'short_name': 'lat', |
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'long_name': 'Latitude', |
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'standard_name': 'latitude', |
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'reference':'geographic coordinates', |
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'units': 'degrees_north', |
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'valid_range':(-90.,90.), |
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'axis': 'Y', |
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}, |
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'lon' : {'short_name': 'lon', |
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'long_name': 'Longtitude', |
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'standard_name': 'longtitude', |
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'reference':'geographic coordinates', |
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'units': 'degrees_east', |
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'valid_range':(-180.,180.), |
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'axis': 'Y', |
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}, |
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'z' : {'short_name': 'z', |
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'long_name': 'Height', |
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'standard_name': 'height', |
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'reference':'zero at sea-surface', |
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'units': 'm', |
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'axis': 'Z', |
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}, |
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'u': {'long_name': 'East/West Component of Current', |
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'standard_name': 'eastward_current', |
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'units': 'm s-1', |
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'reference': 'clockwise from True East', |
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}, |
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'v': {'long_name': 'North/South Component of Current', |
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'standard_name': 'northward_current', |
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'units': 'm s-1', |
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'reference': 'clockwise from True North', |
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}, |
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'w': {'long_name': 'Upward/Downward Component of Current', |
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'standard_name': 'upward_current', |
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'units': 'm s-1', |
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'positive': 'up', |
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}, |
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'back_scatter':{'long_name': 'Backscatter', |
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'standard_name': 'back_scatter', |
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'units': 'decibels', |
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}, |
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'wtemp': {'long_name': 'Water Temperature', |
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'standard_name': 'water_temperature', |
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'units': 'degrees Celsius', |
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}, |
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} |
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ntime=NC.UNLIMITED |
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nlat=1 |
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nlon=1 |
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nz=sensor_info['nbins'] |
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dimensions = ('ntime', 'nlat', 'nlon', 'nz') |
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var_inits = ( |
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('time', NC.INT, ('ntime',)), |
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('lat', NC.FLOAT, ('nlat',)), |
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('lon', NC.FLOAT, ('nlon',)), |
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('z', NC.FLOAT, ('nz',)), |
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('u', NC.FLOAT, ('ntime', 'nz')), |
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('v', NC.FLOAT, ('ntime', 'nz')), |
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('w', NC.FLOAT, ('ntime', 'nz')), |
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('back_scatter', NC.FLOAT, ('ntime', 'nz')), |
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('wtemp', NC.FLOAT, ('ntime',)), |
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) |
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var_data = ( |
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('lat', platform_info['lat']), |
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('lon', platform_info['lon']), |
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('z', []), |
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('u', []), |
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('v', []), |
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('w', []), |
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('back_scatter', []), |
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('wtemp', []), |
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) |
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return (global_atts, dimensions, var_inits, var_data) |
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def updater(platform_info, sensor_info, data): |
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global_atts = { |
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'end_date' : data['sample_dt'].strftime("%Y-%m-%d %H:%M:%S"), |
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'release_date' : now.strftime("%Y-%m-%d %H:%M:%S"), |
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'creation_date' : now.strftime("%Y-%m-%d %H:%M:%S"), |
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'modification_date' : now.strftime("%Y-%m-%d %H:%M:%S"), |
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} |
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var_data = ( |
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('u', data['u']), |
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('v', data['v']), |
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('w', data['w']), |
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('back_scatter', data['back_scatter']), |
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('wtemp', data['wtemp']), |
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) |
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return (global_atts, var_data) |
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