/usr/share/psychtoolbox-3/PsychOptics/DiffractionMTF.m is in psychtoolbox-3-common 3.0.9+svn2579.dfsg1-1.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 | function mtf = DiffractionMTF(s,pupil,nm)
% mtf = DiffractionMTF(s,pupil,nm)
%
% Compute the diffraction-limited MTF
% for incoherent light.
%
% s = spatial frequency in c/deg
% pupil = pupil diameter in mm
% nm = wavelength in nm
%
% Goodman, J. W. (1968) Introduction to Fourier Optics.
% San Francisco: McGraw-Hill.
% 7/11/94 dhb Wrote it.
% 1/27/00 dgp Cosmetic.
% 9/8/02 dgp Cosmetic.
s0 = ComputeDiffLimit(pupil,nm);
mtf = GoodmanDiffrac(s,s0);
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