1 |
greg |
1.1 |
#ifndef lint |
2 |
schorsch |
2.10 |
static const char RCSid[] = "$Id: lookamb.c,v 2.9 2003/06/05 19:29:34 schorsch Exp $"; |
3 |
greg |
1.1 |
#endif |
4 |
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/* |
5 |
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* lookamb.c - program to examine ambient components. |
6 |
greg |
2.7 |
*/ |
7 |
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8 |
greg |
2.8 |
#include "copyright.h" |
9 |
greg |
1.1 |
|
10 |
schorsch |
2.9 |
#include "platform.h" |
11 |
greg |
2.7 |
#include "ray.h" |
12 |
greg |
1.4 |
#include "ambient.h" |
13 |
schorsch |
2.10 |
#include "resolu.h" |
14 |
greg |
1.1 |
|
15 |
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16 |
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int dataonly = 0; |
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greg |
2.3 |
int header = 1; |
18 |
greg |
1.1 |
int reverse = 0; |
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20 |
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AMBVAL av; |
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schorsch |
2.10 |
int |
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main( /* load ambient values from a file */ |
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int argc, |
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char *argv[] |
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) |
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greg |
1.1 |
{ |
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FILE *fp; |
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int i; |
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32 |
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for (i = 1; i < argc; i++) |
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if (argv[i][0] == '-') |
34 |
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switch (argv[i][1]) { |
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case 'd': |
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dataonly = 1; |
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break; |
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case 'r': |
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reverse = 1; |
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break; |
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greg |
2.3 |
case 'h': |
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header = 0; |
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break; |
44 |
greg |
1.1 |
default: |
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fprintf(stderr, "%s: unknown option '%s'\n", |
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argv[0], argv[i]); |
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return(1); |
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} |
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else |
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break; |
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52 |
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if (i >= argc) |
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fp = stdin; |
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else if ((fp = fopen(argv[i], "r")) == NULL) { |
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fprintf(stderr, "%s: file not found\n", argv[i]); |
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return(1); |
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} |
58 |
greg |
2.3 |
if (reverse) { |
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if (header) { |
60 |
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if (checkheader(fp, "ascii", stdout) < 0) |
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goto formaterr; |
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greg |
2.6 |
} else { |
63 |
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newheader("RADIANCE", stdout); |
64 |
greg |
2.3 |
printargs(argc, argv, stdout); |
65 |
greg |
2.6 |
} |
66 |
greg |
2.3 |
fputformat(AMBFMT, stdout); |
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putchar('\n'); |
68 |
schorsch |
2.9 |
SET_FILE_BINARY(stdout); |
69 |
greg |
2.3 |
putambmagic(stdout); |
70 |
greg |
1.1 |
writamb(fp); |
71 |
greg |
2.3 |
} else { |
72 |
schorsch |
2.9 |
SET_FILE_BINARY(fp); |
73 |
greg |
2.3 |
if (checkheader(fp, AMBFMT, header ? stdout : (FILE *)NULL) < 0) |
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goto formaterr; |
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if (!hasambmagic(fp)) |
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goto formaterr; |
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if (header) { |
78 |
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fputformat("ascii", stdout); |
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putchar('\n'); |
80 |
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} |
81 |
greg |
1.1 |
lookamb(fp); |
82 |
greg |
2.3 |
} |
83 |
greg |
1.1 |
fclose(fp); |
84 |
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return(0); |
85 |
greg |
2.3 |
formaterr: |
86 |
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fprintf(stderr, "%s: format error on input\n", argv[0]); |
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exit(1); |
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greg |
1.1 |
} |
89 |
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90 |
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schorsch |
2.10 |
extern void |
92 |
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lookamb( /* get ambient values from a file */ |
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FILE *fp |
94 |
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) |
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greg |
1.1 |
{ |
96 |
greg |
2.2 |
while (readambval(&av, fp)) { |
97 |
greg |
1.1 |
if (dataonly) { |
98 |
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printf("%f\t%f\t%f\t", av.pos[0], av.pos[1], av.pos[2]); |
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printf("%f\t%f\t%f\t", av.dir[0], av.dir[1], av.dir[2]); |
100 |
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printf("%d\t%f\t%f\t", av.lvl, av.weight, av.rad); |
101 |
greg |
1.5 |
printf("%e\t%e\t%e\t", colval(av.val,RED), |
102 |
greg |
1.1 |
colval(av.val,GRN), |
103 |
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colval(av.val,BLU)); |
104 |
greg |
1.4 |
printf("%f\t%f\t%f\t", av.gpos[0], |
105 |
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av.gpos[1], av.gpos[2]); |
106 |
greg |
1.5 |
printf("%f\t%f\t%f\n", av.gdir[0], |
107 |
greg |
1.4 |
av.gdir[1], av.gdir[2]); |
108 |
greg |
1.1 |
} else { |
109 |
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printf("\nPosition:\t%f\t%f\t%f\n", av.pos[0], |
110 |
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av.pos[1], av.pos[2]); |
111 |
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printf("Direction:\t%f\t%f\t%f\n", av.dir[0], |
112 |
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av.dir[1], av.dir[2]); |
113 |
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printf("Lvl,Wt,Rad:\t%d\t\t%f\t%f\n", av.lvl, |
114 |
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av.weight, av.rad); |
115 |
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printf("Value:\t\t%e\t%e\t%e\n", colval(av.val,RED), |
116 |
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colval(av.val,GRN), colval(av.val,BLU)); |
117 |
greg |
1.4 |
printf("Pos.Grad:\t%f\t%f\t%f\n", av.gpos[0], |
118 |
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av.gpos[1], av.gpos[2]); |
119 |
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printf("Dir.Grad:\t%f\t%f\t%f\n", av.gdir[0], |
120 |
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av.gdir[1], av.gdir[2]); |
121 |
greg |
1.1 |
} |
122 |
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if (ferror(stdout)) |
123 |
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exit(1); |
124 |
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} |
125 |
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} |
126 |
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127 |
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|
128 |
schorsch |
2.10 |
extern void |
129 |
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writamb( /* write binary ambient values */ |
130 |
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FILE *fp |
131 |
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) |
132 |
greg |
1.1 |
{ |
133 |
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for ( ; ; ) { |
134 |
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if (!dataonly) |
135 |
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fscanf(fp, "%*s"); |
136 |
greg |
1.3 |
if (fscanf(fp, "%f %f %f", |
137 |
greg |
1.1 |
&av.pos[0], &av.pos[1], &av.pos[2]) != 3) |
138 |
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return; |
139 |
|
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if (!dataonly) |
140 |
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fscanf(fp, "%*s"); |
141 |
greg |
1.3 |
if (fscanf(fp, "%f %f %f", |
142 |
greg |
1.1 |
&av.dir[0], &av.dir[1], &av.dir[2]) != 3) |
143 |
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return; |
144 |
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if (!dataonly) |
145 |
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fscanf(fp, "%*s"); |
146 |
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if (fscanf(fp, "%d %f %f", |
147 |
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&av.lvl, &av.weight, &av.rad) != 3) |
148 |
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return; |
149 |
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if (!dataonly) |
150 |
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fscanf(fp, "%*s"); |
151 |
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if (fscanf(fp, "%f %f %f", |
152 |
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&av.val[RED], &av.val[GRN], &av.val[BLU]) != 3) |
153 |
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return; |
154 |
greg |
1.4 |
if (!dataonly) |
155 |
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fscanf(fp, "%*s"); |
156 |
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if (fscanf(fp, "%f %f %f", |
157 |
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&av.gpos[0], &av.gpos[1], &av.gpos[2]) != 3) |
158 |
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return; |
159 |
|
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if (!dataonly) |
160 |
|
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fscanf(fp, "%*s"); |
161 |
|
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if (fscanf(fp, "%f %f %f", |
162 |
|
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&av.gdir[0], &av.gdir[1], &av.gdir[2]) != 3) |
163 |
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return; |
164 |
|
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av.next = NULL; |
165 |
greg |
2.2 |
writambval(&av, stdout); |
166 |
greg |
1.1 |
if (ferror(stdout)) |
167 |
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exit(1); |
168 |
|
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} |
169 |
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} |