# Licensed under a 3-clause BSD style license - see LICENSE.rst
__all__ = ["BackgroundEstimate"]
[docs]class BackgroundEstimate:
"""Container class for background estimate.
This container holds the result from a region based background estimation
for one observation.
Created e.g. by `~gammapy.background.ReflectedRegionsBackgroundEstimator`.
Parameters
----------
on_region : `~regions.SkyRegion`
Signal extraction region
on_events : `~gammapy.data.EventList`
Signal events
off_region : `~regions.SkyRegion`
Background extraction region
off_events : `~gammapy.data.EventList`
Background events
a_on : float
Relative background exposure of the on region
a_off : float
Relative background exposure of the off region
method : str
Background estimation method
"""
def __init__(
self,
on_region,
on_events,
off_region,
off_events,
a_on,
a_off,
method="default",
):
self.on_region = on_region
self.on_events = on_events
self.off_region = off_region
self.off_events = off_events
self.a_on = a_on
self.a_off = a_off
self.method = method
def __str__(self):
ss = self.__class__.__name__
ss += "\n Method: {}".format(self.method)
ss += "\n on region"
ss += "\n {}".format(self.on_region)
ss += "\n {}".format(self.on_events)
ss += "\n off region"
ss += "\n {}".format(self.off_region)
ss += "\n {}".format(self.off_events)
return ss