apply_edisp#
- gammapy.datasets.apply_edisp(input_map, edisp)[source]#
Apply energy dispersion to map. Requires “energy_true” axis.
- Parameters:
- input_map
Map
The map to be convolved with the energy dispersion. It must have an axis named “energy_true”.
- edisp
EDispKernel
Energy dispersion matrix.
- input_map
- Returns:
- map
Map
Map with energy dispersion applied.
- map
Examples
>>> from gammapy.irf.edisp import EDispKernel >>> from gammapy.datasets.utils import apply_edisp >>> from gammapy.maps import MapAxis, Map >>> import numpy as np >>> >>> axis = MapAxis.from_energy_bounds("1 TeV", "10 TeV", nbin=6, name="energy_true") >>> m = Map.create( ... skydir=(0.8, 0.8), ... width=(1, 1), ... binsz=0.02, ... axes=[axis], ... frame="galactic" ... ) >>> e_true = m.geom.axes[0] >>> e_reco = MapAxis.from_energy_bounds("1 TeV", "10 TeV", nbin=3) >>> edisp = EDispKernel.from_diagonal_response(energy_axis_true=e_true, energy_axis=e_reco) >>> map_edisp = apply_edisp(m, edisp) >>> print(map_edisp) WcsNDMap geom : WcsGeom axes : ['lon', 'lat', 'energy'] shape : (50, 50, 3) ndim : 3 unit : dtype : float64