def display(self, ad, fid=None):
'''
@param ad: The astrodata to display.
@type ad: AstroData
'''
# do stack id and astrodata what nots.
# print 'GDS 66:'
if type(ad) is not astrodata.AstroData:
ad = AstroData( ad )
desc = Descriptors.get_calculator( ad )
displayfunc = desc.fetch_value( 'display', ad )
if displayfunc is None:
# This occurs when there is specific display function for the given tool.
# (i.e. it is using the default display descriptor).
displayfunc = self.ds9.displayFile
if fid is None:
fid = self.getDisplayID( ad )
self.ds9.frame( fid )
framenumber = self.ds9[fid]
if self.ds9.pyds9_sup:
self.ds9.set( 'regions delete all' )
displayfunc( ad.filename, frame=framenumber, fl_imexam=False,
Stdout = coi.get_iraf_stdout(), Stderr = coi.get_iraf_stderr())
def __init__( self, ad, ell_mean, ell_sigma, fwhm_mean, fwhm_sigma ):
from astrodata import Descriptors
super( ImageQualityRequest, self ).__init__()
#
self.ad = ad
self.filename = ad.filename
self.ellMean = ell_mean
self.ellSigma = ell_sigma
self.fwhmMean = fwhm_mean
self.fwhmSigma = fwhm_sigma
desc = Descriptors.get_calculator( ad )
self.pixelScale = ad.pixel_scale().as_pytype()
self.seeing = self.fwhmMean * self.pixelScale
def search( self, cal_rq ):
'''
Searches the various fits files collecting valid calibrations and eventually returning a
sorted list of based on the priorities.
@param cal_rq: The Calibration Request. For this localized version, it contains only the most
critical information, but on the PRS, this would be a message.
@type cal_rq: CalibrationRequest instance.
@return: A sorted list of calibration pathnames.
@rtype: list
'''
from astrodata import Descriptors
inputfile = cal_rq.filename
urilist = []
# print "LCS73:", self.calList
for calfile in self.calList:
# print "CS90: Checking if '" + calfile + "' is viable."
ad = AstroData( calfile )
desc = Descriptors.get_calculator( ad )
if not self.search_identifiers( cal_rq.identifiers, desc, ad ):
# print "FAILED IDENTIFIERS"
continue
if not self.search_criteria( cal_rq.criteria, desc, ad ):
# print "FAILED CRITERIA"
continue
# print "CS98: This '" + calfile + "' succeeded!"
urilist.append( (calfile, desc, ad) )
urilist = self.sort_priority( urilist, cal_rq.priorities )
#print "CS96 urilist --\n", urilist
if urilist == []:
# Nothing found, return None
return None
return urilist
def _lazyloadCalculator(self, **args):
'''Function to put at top of all descriptor members
to ensure the descriptor is loaded. This way we avoid
loading it if it is not needed.'''
if self.descriptor_calculator is None:
self.descriptor_calculator = Descriptors.get_calculator(self, **args)