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root/Development/ray/src/rt/lookamb.c

Comparing ray/src/rt/lookamb.c (file contents):
Revision 2.2 by greg, Mon Jul 13 16:17:42 1992 UTC vs.
Revision 2.12 by greg, Wed Apr 23 06:04:18 2014 UTC

#	Line 1 | Line 1
1	–	/* Copyright (c) 1991 Regents of the University of California */
2	–
1		#ifndef lint
2	<	static char SCCSid[] = "$SunId$ LBL";
2	>	static const char       RCSid[] = "$Id$";
3		#endif
6	–
4		/*
5		*  lookamb.c - program to examine ambient components.
9	–	*
10	–	*     10/8/86
6		*/
7
8	<	#include  <stdio.h>
8	>	#include "copyright.h"
9
10	<	#include  "color.h"
11	<
10	>	#include  "platform.h"
11	>	#include  "ray.h"
12		#include  "ambient.h"
13	+	#include  "resolu.h"
14
15
16		int  dataonly = 0;
17	<
17	>	int  header = 1;
18		int  reverse = 0;
19
20		AMBVAL  av;
21
22	+	#ifdef NEWAMB
23
24	<	main(argc, argv)                /* load ambient values from a file */
25	<	char  *argv[];
24	>
25	>	static void
26	>	lookamb(                        /* load & convert ambient values from a file */
27	>	FILE  *fp
28	>	)
29		{
30	<	FILE  *fp;
31	<	int  i;
30	>	FVECT   norm, uvec;
31
32	<	for (i = 1; i < argc; i++)
33	<	if (argv[i][0] == '-')
34	<	switch (argv[i][1]) {
35	<	case 'd':
36	<	dataonly = 1;
37	<	break;
38	<	case 'r':
39	<	reverse = 1;
40	<	break;
41	<	default:
42	<	fprintf(stderr, "%s: unknown option '%s'\n",
43	<	argv[0], argv[i]);
44	<	return(1);
45	<	}
46	<	else
47	<	break;
32	>	while (readambval(&av, fp)) {
33	>	decodedir(norm, av.ndir);
34	>	decodedir(uvec, av.udir);
35	>	if (dataonly) {
36	>	printf("%f\t%f\t%f\t", av.pos[0], av.pos[1], av.pos[2]);
37	>	printf("%f\t%f\t%f\t", norm[0], norm[1], norm[2]);
38	>	printf("%f\t%f\t%f\t", uvec[0], uvec[1], uvec[2]);
39	>	printf("%d\t%f\t%f\t%f\t", av.lvl, av.weight,
40	>	av.rad[0], av.rad[1]);
41	>	printf("%e\t%e\t%e\t", colval(av.val,RED),
42	>	colval(av.val,GRN),
43	>	colval(av.val,BLU));
44	>	printf("%f\t%f\t", av.gpos[0], av.gpos[1]);
45	>	printf("%f\t%f\n", av.gdir[0], av.gdir[1]);
46	>	} else {
47	>	printf("\nPosition:\t%f\t%f\t%f\n", av.pos[0],
48	>	av.pos[1], av.pos[2]);
49	>	printf("Normal:\t\t%f\t%f\t%f\n",
50	>	norm[0], norm[1], norm[2]);
51	>	printf("Uvector:\t%f\t%f\t%f\n",
52	>	uvec[0], uvec[1], uvec[2]);
53	>	printf("Lvl,Wt,UVrad:\t%d\t\t%f\t%f\t%f\n", av.lvl,
54	>	av.weight, av.rad[0], av.rad[1]);
55	>	printf("Value:\t\t%e\t%e\t%e\n", colval(av.val,RED),
56	>	colval(av.val,GRN), colval(av.val,BLU));
57	>	printf("Pos.Grad:\t%f\t%f\n", av.gpos[0], av.gpos[1]);
58	>	printf("Dir.Grad:\t%f\t%f\n", av.gdir[0], av.gdir[1]);
59	>	}
60	>	if (ferror(stdout))
61	>	exit(1);
62	>	}
63	>	}
64
65	<	if (i >= argc)
66	<	fp = stdin;
67	<	else if ((fp = fopen(argv[i], "r")) == NULL) {
68	<	fprintf(stderr, "%s: file not found\n", argv[i]);
69	<	return(1);
65	>
66	>	static void
67	>	writamb(                        /* write binary ambient values to stdout */
68	>	FILE  *fp
69	>	)
70	>	{
71	>	FVECT   norm;
72	>
73	>	for ( ; ; ) {
74	>	if (!dataonly)
75	>	fscanf(fp, "%*s");
76	>	if (fscanf(fp, "%f %f %f",
77	>	&av.pos[0], &av.pos[1], &av.pos[2]) != 3)
78	>	return;
79	>	if (!dataonly)
80	>	fscanf(fp, "%*s");
81	>	if (fscanf(fp, FVFORMAT, &norm[0], &norm[1], &norm[2]) != 3)
82	>	return;
83	>	av.ndir = encodedir(norm);
84	>	if (!dataonly)
85	>	fscanf(fp, "%*s");
86	>	if (fscanf(fp, FVFORMAT, &norm[0], &norm[1], &norm[2]) != 3)
87	>	return;
88	>	av.udir = encodedir(norm);
89	>	if (!dataonly)
90	>	fscanf(fp, "%*s");
91	>	if (fscanf(fp, "%d %f %f %f", &av.lvl, &av.weight,
92	>	&av.rad[0], &av.rad[1]) != 4)
93	>	return;
94	>	if (!dataonly)
95	>	fscanf(fp, "%*s");
96	>	if (fscanf(fp, "%f %f %f",
97	>	&av.val[RED], &av.val[GRN], &av.val[BLU]) != 3)
98	>	return;
99	>	if (!dataonly)
100	>	fscanf(fp, "%*s");
101	>	if (fscanf(fp, "%f %f", &av.gpos[0], &av.gpos[1]) != 2)
102	>	return;
103	>	if (!dataonly)
104	>	fscanf(fp, "%*s");
105	>	if (fscanf(fp, "%f %f", &av.gdir[0], &av.gdir[1]) != 2)
106	>	return;
107	>	av.next = NULL;
108	>	writambval(&av, stdout);
109	>	if (ferror(stdout))
110	>	exit(1);
111		}
56	–	if (reverse)
57	–	writamb(fp);
58	–	else
59	–	lookamb(fp);
60	–	fclose(fp);
61	–	return(0);
112		}
113
114
115	<	lookamb(fp)                     /* get ambient values from a file */
116	<	FILE  *fp;
115	>	#else /* ! NEWAMB */
116	>
117	>
118	>	static void
119	>	lookamb(                        /* get ambient values from a file */
120	>	FILE  *fp
121	>	)
122		{
123		while (readambval(&av, fp)) {
124		if (dataonly) {
#	Line 97 | Line 152 | FILE  *fp;
152		}
153
154
155	<	writamb(fp)                     /* write binary ambient values */
156	<	FILE  *fp;
155	>	static void
156	>	writamb(                        /* write binary ambient values */
157	>	FILE  *fp
158	>	)
159		{
160		for ( ; ; ) {
161		if (!dataonly)
#	Line 136 | Line 193 | FILE  *fp;
193		if (ferror(stdout))
194		exit(1);
195		}
196	+	}
197	+
198	+
199	+	#endif  /* ! NEWAMB */
200	+
201	+
202	+	int
203	+	main(           /* load ambient values from a file */
204	+	int  argc,
205	+	char  *argv[]
206	+	)
207	+	{
208	+	FILE  *fp;
209	+	int  i;
210	+
211	+	for (i = 1; i < argc; i++)
212	+	if (argv[i][0] == '-')
213	+	switch (argv[i][1]) {
214	+	case 'd':
215	+	dataonly = 1;
216	+	break;
217	+	case 'r':
218	+	reverse = 1;
219	+	break;
220	+	case 'h':
221	+	header = 0;
222	+	break;
223	+	default:
224	+	fprintf(stderr, "%s: unknown option '%s'\n",
225	+	argv[0], argv[i]);
226	+	return(1);
227	+	}
228	+	else
229	+	break;
230	+
231	+	if (i >= argc)
232	+	fp = stdin;
233	+	else if ((fp = fopen(argv[i], "r")) == NULL) {
234	+	fprintf(stderr, "%s: file not found\n", argv[i]);
235	+	return(1);
236	+	}
237	+	if (reverse) {
238	+	if (header) {
239	+	if (checkheader(fp, "ascii", stdout) < 0)
240	+	goto formaterr;
241	+	} else {
242	+	newheader("RADIANCE", stdout);
243	+	printargs(argc, argv, stdout);
244	+	}
245	+	fputformat(AMBFMT, stdout);
246	+	putchar('\n');
247	+	SET_FILE_BINARY(stdout);
248	+	putambmagic(stdout);
249	+	writamb(fp);
250	+	} else {
251	+	SET_FILE_BINARY(fp);
252	+	if (checkheader(fp, AMBFMT, header ? stdout : (FILE *)NULL) < 0)
253	+	goto formaterr;
254	+	if (!hasambmagic(fp))
255	+	goto formaterr;
256	+	if (header) {
257	+	fputformat("ascii", stdout);
258	+	putchar('\n');
259	+	}
260	+	lookamb(fp);
261	+	}
262	+	fclose(fp);
263	+	return(0);
264	+	formaterr:
265	+	fprintf(stderr, "%s: format error on input\n", argv[0]);
266	+	exit(1);
267		}

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