class Reducer(Talker):
'''Reducers are objects for reducing data, either interactively or not.
This could be pictured as a mosasaurus,
wearing a loup and carrying lots of
data structures around in its knapsack.'''
def __init__(self, filename='wasp94_140805.obs', **kwargs):
'''initialize from a ".obs" file'''
# decide whether or not this Reducer is chatty
Talker.__init__(self, **kwargs)
self.speak(
'the reducing mosasaurus is grabbing a fly swatter to analyze {0}'.
format(filename))
# store the filename of the reduction parameter file
self.filename = filename
# setup all the components of the reducer
self.setup()
self.speak('mosasaurus is ready to reduce')
def setup(self):
# load in the observation file for this object
self.obs = Observation(self.filename)
self.display = loupe() #''mosasaurus',
# xsize=self.obs.xsize*self.obs.displayscale,
# ysize=self.obs.ysize*self.obs.displayscale)
# create a night object, associated with this observation
self.night = Night(self.obs)
# set up the Calibration
self.calib = Calibration(self)
# create a mask
self.mask = Mask(self)
def deleteandrestart(self):
self.speak("WARNING! You're about to erase all files in {0}".format(
self.obs.workingDirectory))
if 'y' in self.input(
" are you sure you're okay with this? [y,N]").lower():
if 'y' in self.input(" for realsies? [y,N]").lower():
shutil.rmtree(self.obs.workingDirectory)
self.obs = Observation(self.filename)
def reduce(self, remake=False):
'''process 2D multiobject spectral images into 1D spectra'''
self.speak('reducing observations of {0} on {1}'.format(
self.obs.name, self.obs.night))
# set up the calibrations and mask
self.calib.setup()
self.mask.setup()
# load the headers for this observation
self.obs.loadHeaders()
# create an observing log from all the image headers from this night
self.night.obsLog()
# loop over exposures and apertures
self.mask.extractEverything(remake=remake)
