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-list (focal-length coc &key (units :feet))
27 (loop for f-stop in +f-stops+
28 collect (hyperfocal focal-length f-stop coc :units units)))
30 (defun hyperfocal-table (focal-length coc &key (units :feet) (output *standard-output*))
31 (loop for f-stop in +f-stops+
32 do (format output "~4,1F ~,1F~%"
33 f-stop (hyperfocal focal-length f-stop coc :units units)))
36 (defun aov-table (imager &key (output *standard-output*) (projection :rectilinear))
37 (let ((imager-dim (etypecase imager
39 (symbol (imager-dimensions imager)))))
40 (loop for focal-length in +focal-lengths+
41 do (let ((aov (multiple-value-list (aov focal-length (car imager-dim) (cdr imager-dim)
42 :projection projection))))
43 (format output "~4D ~5,1F ~5,1F ~5,1F~%"
44 focal-length (nth 0 aov) (nth 1 aov) (nth 2 aov)))))
47 (defun dof-table (focal-length coc &key (output *standard-output*) (units :feet))
48 (let ((distances (mapcar (lambda (mm) (mm->length mm units))
49 (mapcar 'feet->mm +distances-feet+))))
50 (format output "~&~5A" "")
51 (dolist (distance distances)
52 (format output " ~10F" distance))
54 (dolist (f-stop +f-stops+)
55 (format output "~5,1F " f-stop)
56 (dolist (distance distances)
57 (multiple-value-bind (near far dof mag blur) (dof focal-length f-stop distance coc
59 (when (minusp far) (setq far "Inf"))
60 (format output "~4,1F/~4,1F " near far)))
61 (format output "~%")))