1 |
#ifndef lint |
2 |
static const char RCSid[] = "$Id: lookamb.c,v 2.16 2015/08/02 01:32:15 greg Exp $"; |
3 |
#endif |
4 |
/* |
5 |
* lookamb.c - program to examine ambient components. |
6 |
*/ |
7 |
|
8 |
#include "copyright.h" |
9 |
|
10 |
#include "platform.h" |
11 |
#include "ray.h" |
12 |
#include "ambient.h" |
13 |
#include "resolu.h" |
14 |
|
15 |
|
16 |
int dataonly = 0; |
17 |
int header = 1; |
18 |
int reverse = 0; |
19 |
|
20 |
AMBVAL av; |
21 |
|
22 |
|
23 |
static void |
24 |
lookamb( /* load & convert ambient values from a file */ |
25 |
FILE *fp |
26 |
) |
27 |
{ |
28 |
FVECT norm, uvec; |
29 |
|
30 |
while (readambval(&av, fp)) { |
31 |
decodedir(norm, av.ndir); |
32 |
decodedir(uvec, av.udir); |
33 |
if (dataonly) { |
34 |
printf("%f\t%f\t%f\t", av.pos[0], av.pos[1], av.pos[2]); |
35 |
printf("%f\t%f\t%f\t", norm[0], norm[1], norm[2]); |
36 |
printf("%f\t%f\t%f\t", uvec[0], uvec[1], uvec[2]); |
37 |
printf("%d\t%f\t%f\t%f\t", av.lvl, av.weight, |
38 |
av.rad[0], av.rad[1]); |
39 |
printf("%e\t%e\t%e\t", colval(av.val,RED), |
40 |
colval(av.val,GRN), |
41 |
colval(av.val,BLU)); |
42 |
printf("%f\t%f\t", av.gpos[0], av.gpos[1]); |
43 |
printf("%f\t%f\t", av.gdir[0], av.gdir[1]); |
44 |
printf("%u\n", av.corral); |
45 |
} else { |
46 |
printf("Position:\t%f\t%f\t%f\n", av.pos[0], |
47 |
av.pos[1], av.pos[2]); |
48 |
printf("Normal:\t\t%f\t%f\t%f\n", |
49 |
norm[0], norm[1], norm[2]); |
50 |
printf("Uvector:\t%f\t%f\t%f\n", |
51 |
uvec[0], uvec[1], uvec[2]); |
52 |
printf("Lvl,Wt,UVrad:\t%d\t\t%f\t%f\t%f\n", av.lvl, |
53 |
av.weight, av.rad[0], av.rad[1]); |
54 |
printf("Value:\t\t%e\t%e\t%e\n", colval(av.val,RED), |
55 |
colval(av.val,GRN), colval(av.val,BLU)); |
56 |
printf("Pos.Grad:\t%f\t%f\n", av.gpos[0], av.gpos[1]); |
57 |
printf("Dir.Grad:\t%f\t%f\n", av.gdir[0], av.gdir[1]); |
58 |
printf("Corral:\t\t%8X\n\n", av.corral); |
59 |
} |
60 |
if (ferror(stdout)) |
61 |
exit(1); |
62 |
} |
63 |
} |
64 |
|
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, "%hd %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 |
if (dataonly) { |
108 |
if (fscanf(fp, "%u", &av.corral) != 1) |
109 |
return; |
110 |
} else if (fscanf(fp, "%*s %X", &av.corral) != 1) |
111 |
return; |
112 |
av.next = NULL; |
113 |
writambval(&av, stdout); |
114 |
if (ferror(stdout)) |
115 |
exit(1); |
116 |
} |
117 |
} |
118 |
|
119 |
|
120 |
int |
121 |
main( /* load ambient values from a file */ |
122 |
int argc, |
123 |
char *argv[] |
124 |
) |
125 |
{ |
126 |
FILE *fp; |
127 |
int i; |
128 |
|
129 |
for (i = 1; i < argc; i++) |
130 |
if (argv[i][0] == '-') |
131 |
switch (argv[i][1]) { |
132 |
case 'd': |
133 |
dataonly = 1; |
134 |
break; |
135 |
case 'r': |
136 |
reverse = 1; |
137 |
break; |
138 |
case 'h': |
139 |
header = 0; |
140 |
break; |
141 |
default: |
142 |
fprintf(stderr, "%s: unknown option '%s'\n", |
143 |
argv[0], argv[i]); |
144 |
return(1); |
145 |
} |
146 |
else |
147 |
break; |
148 |
|
149 |
if (i >= argc) |
150 |
fp = stdin; |
151 |
else if ((fp = fopen(argv[i], "r")) == NULL) { |
152 |
fprintf(stderr, "%s: file not found\n", argv[i]); |
153 |
return(1); |
154 |
} |
155 |
if (reverse) { |
156 |
if (header) { |
157 |
if (checkheader(fp, "ascii", stdout) < 0) |
158 |
goto formaterr; |
159 |
} else { |
160 |
newheader("RADIANCE", stdout); |
161 |
printargs(argc, argv, stdout); |
162 |
} |
163 |
fputformat(AMBFMT, stdout); |
164 |
putchar('\n'); |
165 |
SET_FILE_BINARY(stdout); |
166 |
putambmagic(stdout); |
167 |
writamb(fp); |
168 |
} else { |
169 |
SET_FILE_BINARY(fp); |
170 |
if (checkheader(fp, AMBFMT, header ? stdout : (FILE *)NULL) < 0) |
171 |
goto formaterr; |
172 |
if (!hasambmagic(fp)) |
173 |
goto formaterr; |
174 |
if (header) { |
175 |
fputformat("ascii", stdout); |
176 |
putchar('\n'); |
177 |
} |
178 |
lookamb(fp); |
179 |
} |
180 |
fclose(fp); |
181 |
return(0); |
182 |
formaterr: |
183 |
fprintf(stderr, "%s: format error on input\n", argv[0]); |
184 |
exit(1); |
185 |
} |