def get_photons(self,
radiance,
exposure=None,
wavelength=None,
f_number=None):
"""Computes the number of photons received by one pixel.
Uses the :func:`~emva1288.camera.routines.get_photons` function
to compute this number.
Parameters
----------
radiance : float
The radiance exposed to the camera (in Wsr^-1cm^-2).
exposure : float, optional
The pixel's exposure time in ns.
Returns
-------
float :
The number of photons received by one pixel.
"""
if exposure is None:
exposure = self.exposure
if f_number is None:
f_number = self.environment['f_number']
if wavelength is None:
wavelength = self.environment['wavelength']
return routines.get_photons(exposure, wavelength, radiance,
self.pixel_area, f_number)
def get_photons(self, radiance, exposure=None):
"""Computes the number of photons received by one pixel.
Uses the :func:`~emva1288.camera.routines.get_photons` function
to compute this number.
Parameters
----------
radiance : float
The radiance exposed to the camera (in Wsr^-1cm^-2).
exposure : float, optional
The pixel's exposure time in ns.
Returns
-------
float :
The number of photons received by one pixel.
"""
if exposure is None:
exposure = self.exposure
return routines.get_photons(exposure,
self._wavelength,
radiance,
self.pixel_area,
self._f_number)
def get_photons(self, radiance):
return routines.get_photons(self.exposure,
self._wavelength,
radiance,
self._pixel_area,
self._f_number)