def filter_name(self, dataset, stripID=False, pretty=False, **args):
if pretty:
# To match against the lookup table to get the pretty name, we
# need the component IDs attached
stripID = False
# Determine the three filter name keyword from the global keyword
# dictionary
keyword1 = self.get_descriptor_key("key_filter1")
keyword2 = self.get_descriptor_key("key_filter2")
keyword3 = self.get_descriptor_key("key_filter3")
# Get the values of the three filter name keywords from the header of
# the PHU
filter1 = dataset.phu_get_key_value(keyword1)
filter2 = dataset.phu_get_key_value(keyword2)
filter3 = dataset.phu_get_key_value(keyword3)
if filter1 is None or filter2 is None or filter3 is None:
# The phu_get_key_value() function returns None if a value cannot
# be found and stores the exception info. Re-raise the exception.
# It will be dealt with by the CalculatorInterface.
if hasattr(dataset, "exception_info"):
raise dataset.exception_info
if stripID:
filter1 = gmu.removeComponentID(filter1)
filter2 = gmu.removeComponentID(filter2)
filter3 = gmu.removeComponentID(filter3)
# Create list of filter values
filters = [filter1, filter2, filter3]
if pretty:
# To match against the lookup table, the filter list must be sorted
filters.sort()
filter_name = gmu.filternameFrom(filters)
if filter_name in self.niriFilternameMap:
ret_filter_name = str(self.niriFilternameMap[filter_name])
else:
ret_filter_name = str(filter_name)
else:
ret_filter_name = gmu.filternameFrom(filters)
# Instantiate the return DescriptorValue (DV) object
ret_dv = DescriptorValue(ret_filter_name, name="filter_name",
ad=dataset)
return ret_dv
def __init__(self):
self.niriSpecDict = Lookups.get_lookup_table(
"Gemini/NIRI/NIRISpecDict", "niriSpecDict")
self.niriFilternameMapConfig = Lookups.get_lookup_table(
"Gemini/NIRI/NIRIFilterMap", "niriFilternameMapConfig")
self.nsappwave = Lookups.get_lookup_table(
"Gemini/IR/nsappwavepp.fits", 1)
filternamemap = {}
for line in self.niriFilternameMapConfig:
linefiltername = gmu.filternameFrom([line[1], line[2], line[3]])
filternamemap.update({linefiltername:line[0]})
self.niriFilternameMap = filternamemap
GEMINI_DescriptorCalc.__init__(self)