NASA Ocean Color

ocssw V2022

 import os
  
 """
 Utility functions for determining directories for each sensor.
 """
  
 SensorList = []
  
  
 def load_sensorlist(filename=None):
     """
     Read list of sensor definitions from file
     """
     global SensorList
     SensorList = []
     keys = ['sensor', 'instrument', 'platform', 'dir', 'subdir']
     try:
         if not filename:
             filename = os.path.join(os.getenv('OCDATAROOT'),
                                     'common', 'SensorInfo.txt')
         with open(filename) as infile:
             for line in infile:
                 line = line.strip()
                 if (len(line) > 0) and (not line.startswith("#")):
                     values = line.rsplit()
                     SensorList.append(dict(zip(keys, values)))
     except Exception as e:
         print(e)
  
  
 def by_sensor(name):
     """
     Get sensor defs from unique sensor name
     """
     global SensorList
     if len(SensorList) == 0:
         load_sensorlist()
     try:
         return next(d for d in SensorList if d['sensor'].lower() == name.lower())
     except StopIteration:
         return None
  
  
 def by_instplat(inst, plat):
     """
     Get sensor defs given the instrument and platform
     """
     global SensorList
     if len(SensorList) == 0:
         load_sensorlist()
     try:
         return next(d for d in SensorList if
                     (d['instrument'].lower() == inst.lower()) &
                     (d['platform'].lower() == plat.lower()))
     except StopIteration:
         return None
  
  
 def by_desc(name):
     """
     Get sensor defs given any useful information
     """
     global SensorList
     if len(SensorList) == 0:
         load_sensorlist()
     try:
         return next(d for d in SensorList if
                     name.lower() in (d['sensor'].lower(),
                                      d['platform'].lower(),
                                      d.get('subdir'),
                                      d['dir'].lower(),
                                      d['instrument'].lower()))
     except StopIteration:
         return None
  
  
 # end of class SensorUtils
  
 # test routines below
 if __name__ == '__main__':
     if len(SensorList) == 0:
  
         print("\nby sensor:")
         namelist = ['modisa', 'seawifs', 'bogus']
         for sensor in namelist:
             print(sensor, ':\t', by_sensor(sensor))
  
         print("\nby inst/plat:")
         instlist = ['modis', 'VIIRS', 'modis', 'bogus', 'Aquarius']
         platlist = ['Terra', 'JPSS-1', 'bogus', 'Aqua', 'SAC-D']
         for inst, plat in zip(instlist, platlist):
             print(inst, plat, ':\t', by_instplat(inst, plat))
  
         print("\nby any name:")
         namelist = ['seawifs', 'aquarius', 'modisa', 'modist', 'viirsn', 'viirsj1', 'aqua', 'terra', 'npp', 'j1',
                     'bogus']
         for name in namelist:
             print(name, ':\t', by_desc(name))

seadasutils.SensorUtils.load_sensorlist

def load_sensorlist(filename=None)

Definition: SensorUtils.py:10

void print(std::ostream &stream, const char *format)

Definition: PrintDebug.hpp:38

seadasutils.SensorUtils.by_desc

def by_desc(name)

Definition: SensorUtils.py:59

seadasutils.SensorUtils.by_sensor

def by_sensor(name)

Definition: SensorUtils.py:31

seadasutils.SensorUtils.by_instplat

def by_instplat(inst, plat)

Definition: SensorUtils.py:44