projects
/
cl-photo.git
/ blobdiff
commit
grep
author
committer
pickaxe
?
search:
re
summary
|
shortlog
|
log
|
commit
|
commitdiff
|
tree
raw
|
inline
| side by side
r10485: Automated commit for Debian build of cl-photo upstream-version-0.7
[cl-photo.git]
/
dof.lisp
diff --git
a/dof.lisp
b/dof.lisp
index 5dfc5dd06e0dac523d29400f0bc58dd9f2152444..ee9250a745c0d613716cdc405e798f8a8e191019 100644
(file)
--- a/
dof.lisp
+++ b/
dof.lisp
@@
-70,6
+70,7
@@
Default resolving power is 5 lpm at 25cm."
(defun maximum-sharpness-aperture (format &optional (wavelength 0.0005))
(multiple-value-bind (coc-w coc-h lpm-w lpm-h) (coc-pixels-format format)
(defun maximum-sharpness-aperture (format &optional (wavelength 0.0005))
(multiple-value-bind (coc-w coc-h lpm-w lpm-h) (coc-pixels-format format)
+ (declare (ignore coc-w coc-h))
(/ 1. (* 1.22 wavelength (/ (min lpm-w lpm-h) 0.46)))))
(defun dof-mm (focal-length f-stop distance coc &key (pupil-factor 1))
(/ 1. (* 1.22 wavelength (/ (min lpm-w lpm-h) 0.46)))))
(defun dof-mm (focal-length f-stop distance coc &key (pupil-factor 1))
@@
-128,3
+129,9
@@
Output: NEAR-POINT, FAR-POINT, TOTAL-DOF, MAGNIFICATION, BLUR-SIZE-OF-INFINITY-P
(defun effective-aperture (focal-length distance aperture)
(* aperture (bellows-factor focal-length distance)))
(defun effective-aperture (focal-length distance aperture)
(* aperture (bellows-factor focal-length distance)))
+
+(defun mtf-scanner (freq dscan-freq &optional (order 3))
+ (abs (expt (kmrcl:sinc (* pi (/ freq dscan-freq))) order)))
+
+(defun freq-mtf-scanner (dscan-freq mtf &optional (order 3))
+ (* dscan-freq (/ (asin (* x (exp (/ (log mtf) order)))) pi)))