1 ;;;; -*- Mode: LISP; Syntax: ANSI-Common-Lisp; Base: 10; Package: photo -*-
2 ;;;; *************************************************************************
3 ;;;; FILE IDENTIFICATION
6 ;;;; Purpose: Returns tables of values
7 ;;;; Programmer: Kevin M. Rosenberg
8 ;;;; Date Started: April 2005
10 ;;;; $Id: dof.lisp 10436 2005-04-21 15:36:01Z kevin $
12 ;;;; This file, part of cl-photo, is Copyright (c) 2005 by Kevin M. Rosenberg
14 ;;;; cl-photo users are granted the rights to distribute and use this software
15 ;;;; as governed by the terms of the GNU General Public License v2
16 ;;;; (http://www.gnu.org/licenses/gpl.html)
18 ;;;; *************************************************************************
22 (defparameter +f-stops+ '(1.4 2.0 2.8 4.0 5.6 8 11 16 22 32))
23 (defparameter +focal-lengths+ '(12 24 35 50 70 85 105 135 200 300 400 500 600))
24 (defparameter +distances-feet+ '(0.5 1 3 8 15 25 50 100 200))
26 (defun hyperfocal-table (focal-length coc &key (units :feet) (output *standard-output*))
27 (loop for f-stop in +f-stops+
28 do (format output "~4,1F ~,1F~%"
29 f-stop (hyperfocal focal-length f-stop coc :units units)))
32 (defun aov-table (imager &key (output *standard-output*) (projection :rectilinear))
33 (let ((imager-dim (etypecase imager
35 (symbol (imager-dimensions imager)))))
36 (format output "~5A ~5A ~5A ~5A~%" "FOCAL" "AOV-W" "AOV-H" "AOV-D")
37 (loop for focal-length in +focal-lengths+
38 do (let ((aov (multiple-value-list (aov focal-length (car imager-dim) (cdr imager-dim)
39 :projection projection))))
40 (format output "~5D ~5,1F ~5,1F ~5,1F~%"
41 focal-length (nth 0 aov) (nth 1 aov) (nth 2 aov)))))
44 (defun fov-table (imager focal-length
45 &key (output *standard-output*) (projection :rectilinear)
47 (let ((imager-dim (etypecase imager
49 (symbol (imager-dimensions imager))))
50 (distances (mapcar 'feet->mm +distances-feet+)))
51 (format output "~8A ~6A ~6A ~6A ~6A~%" "DISTANCE" "WIDTH" "HEIGHT" "DIAGON" "MAG")
52 (loop for distance in distances
53 do (let ((fov (multiple-value-list (fov focal-length
54 (car imager-dim) (cdr imager-dim)
56 :projection projection))))
57 (format output "~8F: ~6F ~6F ~6F ~6F~%"
58 (mm->length distance units)
59 (nth 0 fov) (nth 1 fov) (nth 2 fov) (nth 3 fov)))))
62 (defun dof-table (focal-length coc &key (output *standard-output*) (units :feet))
63 (let ((distances (mapcar (lambda (mm) (mm->length mm units))
64 (mapcar 'feet->mm +distances-feet+))))
65 (format output "~&~5A " "FStop")
66 (dolist (distance distances)
67 (format output " ~10F " distance))
69 (dolist (f-stop +f-stops+)
70 (format output "~5,1F " f-stop)
71 (dolist (distance distances)
72 (multiple-value-bind (near far dof mag blur) (dof focal-length f-stop distance coc
74 (when (minusp far) (setq far "Inf "))
75 (format output "~5F/~5F " near far)))
76 (format output "~%")))