def setUpClass(self):
"""Setup---here we essentially create the effective area.
>>> file_path = os.path.join(XIMPOL_IRF,'fits','xipe_baseline.arf')
>>> self.aeff = xEffectiveArea(file_path)
"""
file_path = os.path.join(XIMPOL_IRF,'fits','xipe_baseline.arf')
self.aeff = xEffectiveArea(file_path)
self.interactive = sys.flags.interactive
def get_spectrum(_energy, norm, index, aeff_file_path):
"""Power law assumed for the energy.
Returns the array with the spectrum values in [KeV-1 cm-2 s-1]
given an energy array.
"""
aeff_spline = xEffectiveArea(aeff_file_path)
#getting the effective area as a function of E for given off-axis angle
aeff_list = []
_aeff = aeff_spline.eval_(_energy,theta=0.)
return _aeff*norm*numpy.power(_energy, -index)
def main():
"""
"""
import os
from ximpol import XIMPOL_IRF
from ximpol.irf.arf import xEffectiveArea
def source_spectrum(E, t):
"""Function defining a time-dependent energy spectrum.
"""
return 10.0*(1.0 + numpy.cos(t))*numpy.power(E, (-2.0 + 0.01*t))
file_path = os.path.join(XIMPOL_IRF,'fits','xipe_baseline.arf')
aeff = xEffectiveArea(file_path)
t = numpy.linspace(0, 25, 100)
c = xCountSpectrum(source_spectrum, aeff, t)
c.light_curve.plot()
c.plot()
def main():
"""
"""
import os
from ximpol import XIMPOL_IRF
from ximpol.irf.arf import xEffectiveArea
def source_spectrum(E, t):
"""Function defining a time-dependent energy spectrum.
"""
return 10.0*(1.0 + numpy.cos(t))*numpy.power(E, (-2.0 + 0.01*t))
file_path = os.path.join(XIMPOL_IRF,'fits','xipe_baseline.arf')
aeff = xEffectiveArea(file_path)
t = numpy.linspace(0, 25, 100)
c = xCountSpectrum(source_spectrum, aeff, t)
c.light_curve.plot()
c.plot()
def load_arf(irf_name, folder_path=None):
"""Facility to load the effective area for a given IRF set.
"""
file_path = irf_file_path(irf_name, 'arf', folder_path, check_file=True)
return xEffectiveArea(file_path)
def load_arf(irf_name, folder_path=None):
"""Facility to load the effective area for a given IRF set.
"""
file_path = irf_file_path(irf_name, 'arf', folder_path, check_file=True)
return xEffectiveArea(file_path)