12 |
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13 |
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#include "glare.h" |
14 |
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|
15 |
< |
#define FEQ(a,b) ((a)-(b)<=FTINY&&(a)-(b)<=FTINY) |
15 |
> |
#define FEQ(a,b) ((a)-(b)<=FTINY&&(b)-(a)<=FTINY) |
16 |
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#define VEQ(v1,v2) (FEQ((v1)[0],(v2)[0])&&FEQ((v1)[1],(v2)[1]) \ |
17 |
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&&FEQ((v1)[2],(v2)[2])) |
18 |
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|
19 |
< |
char *rtargv[32] = {"rtrace", "-h", "-ov", "-fff"}; |
19 |
> |
char *rtargv[32] = {"rtrace", "-h-", "-ov", "-fff"}; |
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int rtargc = 4; |
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|
22 |
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VIEW ourview = STDVIEW; /* our view */ |
75 |
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} |
76 |
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if (argv[i][2] != 'f') |
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goto userr; |
78 |
< |
rval = viewfile(argv[++i], &ourview, 0, 0); |
78 |
> |
rval = viewfile(argv[++i], &ourview, NULL); |
79 |
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if (rval < 0) { |
80 |
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fprintf(stderr, |
81 |
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"%s: cannot open view file \"%s\"\n", |
105 |
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combine = !combine; |
106 |
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break; |
107 |
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case 'd': |
108 |
+ |
if (argv[i][2] == 'v') { |
109 |
+ |
rtargv[rtargc++] = argv[i]; |
110 |
+ |
break; |
111 |
+ |
} |
112 |
+ |
/* FALL THROUGH */ |
113 |
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case 'l': |
114 |
+ |
case 's': |
115 |
+ |
case 'P': |
116 |
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rtargv[rtargc++] = argv[i]; |
117 |
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rtargv[rtargc++] = argv[++i]; |
118 |
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break; |
119 |
+ |
case 'w': |
120 |
+ |
rtargv[rtargc++] = argv[i]; |
121 |
+ |
break; |
122 |
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case 'a': |
123 |
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rtargv[rtargc++] = argv[i]; |
124 |
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if (argv[i][2] == 'v') { |
140 |
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} |
141 |
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/* get view */ |
142 |
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if (picture != NULL) { |
143 |
< |
rval = viewfile(picture, &pictview, 0, 0); |
143 |
> |
rval = viewfile(picture, &pictview, NULL); |
144 |
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if (rval < 0) { |
145 |
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fprintf(stderr, "%s: cannot open picture file \"%s\"\n", |
146 |
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progname, picture); |
200 |
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fputs(VIEWSTR, stdout); |
201 |
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fprintview(&ourview, stdout); |
202 |
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printf("\n"); |
203 |
< |
fputformat("ASCII", stdout); |
203 |
> |
fputformat("ascii", stdout); |
204 |
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printf("\n"); |
205 |
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printsources(); /* print glare sources */ |
206 |
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printillum(); /* print illuminances */ |
213 |
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} |
214 |
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|
215 |
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|
216 |
+ |
int |
217 |
+ |
angcmp(ap1, ap2) /* compare two angles */ |
218 |
+ |
ANGLE *ap1, *ap2; |
219 |
+ |
{ |
220 |
+ |
register int a1, a2; |
221 |
+ |
|
222 |
+ |
a1 = *ap1; |
223 |
+ |
a2 = *ap2; |
224 |
+ |
if (a1 == a2) { |
225 |
+ |
fprintf(stderr, "%s: duplicate glare angle (%d)\n", |
226 |
+ |
progname, a1); |
227 |
+ |
exit(1); |
228 |
+ |
} |
229 |
+ |
return(a1-a2); |
230 |
+ |
} |
231 |
+ |
|
232 |
+ |
|
233 |
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init() /* initialize global variables */ |
234 |
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{ |
235 |
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double d; |
241 |
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/* set direction vectors */ |
242 |
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for (i = 0; glarang[i] != AEND; i++) |
243 |
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; |
244 |
< |
if (i > 0 && (glarang[0] <= 0 || glarang[i-1] >= 180)) { |
245 |
< |
fprintf(stderr, "%s: glare angles must be between 1 and 179\n", |
244 |
> |
qsort(glarang, i, sizeof(ANGLE), angcmp); |
245 |
> |
if (i > 0 && (glarang[0] <= 0 || glarang[i-1] > 180)) { |
246 |
> |
fprintf(stderr, "%s: glare angles must be between 1 and 180\n", |
247 |
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progname); |
248 |
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exit(1); |
249 |
|
} |
315 |
|
if (octree != NULL) |
316 |
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done_rtrace(); |
317 |
|
if (npixinvw < 100*npixmiss) |
318 |
< |
fprintf(stderr, "%s: warning -- missing %ld%% of samples\n", |
319 |
< |
progname, 100L*npixmiss/npixinvw); |
318 |
> |
fprintf(stderr, "%s: warning -- missing %d%% of samples\n", |
319 |
> |
progname, (int)(100L*npixmiss/npixinvw)); |
320 |
|
} |
321 |
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|
322 |
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|
328 |
|
FVECT org; /* dummy variable */ |
329 |
|
|
330 |
|
hl = hlim(y); |
331 |
< |
if (x <= -hl) /* left region */ |
331 |
> |
if (x <= -hl) { /* left region */ |
332 |
> |
if (x <= -hl-sampdens) |
333 |
> |
return(-1); |
334 |
|
return(viewray(org, vd, &leftview, |
335 |
|
(double)(x+hl)/(2*sampdens)+.5, |
336 |
|
(double)y/(2*sampdens)+.5)); |
337 |
< |
if (x >= hl) /* right region */ |
337 |
> |
} |
338 |
> |
if (x >= hl) { /* right region */ |
339 |
> |
if (x >= hl+sampdens) |
340 |
> |
return(-1); |
341 |
|
return(viewray(org, vd, &rightview, |
342 |
|
(double)(x-hl)/(2*sampdens)+.5, |
343 |
|
(double)y/(2*sampdens)+.5)); |
344 |
+ |
} |
345 |
|
/* central region */ |
346 |
|
if (viewray(org, vd, &ourview, .5, (double)y/(2*sampdens)+.5) < 0) |
347 |
|
return(-1); |
364 |
|
xo = x-hl; |
365 |
|
else |
366 |
|
xo = 0; |
367 |
< |
disc = 1. - (xo*xo + y*y)/(sampdens*sampdens); |
367 |
> |
disc = 1. - (double)(xo*xo + y*y)/(sampdens*sampdens); |
368 |
|
if (disc <= FTINY) |
369 |
|
return(0.); |
370 |
|
return(1./(sampdens*sampdens*sqrt(disc))); |