.. _irf: **************************************************************** Instrument response function (IRF) functionality (`gammapy.irf`) **************************************************************** .. currentmodule:: gammapy.irf Introduction ============ `gammapy.irf` handles instrument response functions (IRFs): * Effective area (AEFF) * Energy dispersion (EDISP) * Point spread function (PSF) Most of the formats defined at :ref:`gadf:iact-irf` are supported. Otherwise, at the moment, there is very little support for Fermi-LAT or other instruments. Most users will not use `gammapy.irf` directly, but will instead use IRFs as part of their spectrum, image or cube analysis to compute exposure and effective EDISP and PSF for a given dataset. Most (at some point maybe all) classes in `gammapy.irf` have an `gammapy.utils.nddata.NDDataArray` as data attribute to support interpolation. Getting Started =============== see :gp-extra-notebook:`data_iact` for an example how to access IACT IRFs. Using `gammapy.irf` =================== If you'd like to learn more about using `gammapy.irf`, read the following sub-pages: .. toctree:: :maxdepth: 1 theory aeff edisp psf Reference/API ============= .. automodapi:: gammapy.irf :no-inheritance-diagram: :include-all-objects: