| 15 |
|
|
| 16 |
|
#define DEGREE (PI/180.) |
| 17 |
|
|
| 18 |
< |
#define MAXNT 180 /* maximum number of theta divisions */ |
| 18 |
> |
#define MAXNT 181 /* maximum number of theta divisions */ |
| 19 |
|
#define MAXNP 360 /* maximum number of phi divisions */ |
| 20 |
|
|
| 21 |
|
extern char *progname; /* global argv[0] */ |
| 209 |
|
{ |
| 210 |
|
int warnedneg; |
| 211 |
|
char linebuf[8192]; |
| 212 |
+ |
int last_pos_val = 0; |
| 213 |
|
int nelem = 1000; |
| 214 |
|
float *sarr = (float *)malloc(sizeof(float)*nelem); |
| 215 |
|
FILE *fp; |
| 263 |
|
cp = fskip(cp); |
| 264 |
|
if (cp == NULL) |
| 265 |
|
break; |
| 266 |
< |
if (i && sarr[i] < .0) { |
| 266 |
> |
if (sarr[i] < .0) { |
| 267 |
|
if (!warnedneg++) { |
| 268 |
|
sprintf(errmsg, |
| 269 |
|
"Negative value(s) in sensor file '%s' (ignored)\n", sfile); |
| 270 |
|
error(WARNING, errmsg); |
| 271 |
|
} |
| 272 |
|
sarr[i] = .0; |
| 273 |
< |
} |
| 273 |
> |
} else if (sarr[i] > FTINY && i > ntp[0]*(ntp[1]+1)) |
| 274 |
> |
last_pos_val = i; |
| 275 |
|
++i; |
| 276 |
|
} |
| 277 |
< |
if (i == ntp[0]*(ntp[1]+1)) |
| 277 |
> |
if (i == ntp[0]*(ntp[1]+1)) /* empty line? */ |
| 278 |
|
break; |
| 279 |
|
if (ntp[0] > 1 && sarr[ntp[0]*(ntp[1]+1)] <= |
| 280 |
|
sarr[(ntp[0]-1)*(ntp[1]+1)]) { |
| 290 |
|
error(USER, errmsg); |
| 291 |
|
} |
| 292 |
|
} |
| 293 |
< |
nelem = i; |
| 293 |
> |
/* truncate zero region */ |
| 294 |
> |
ntp[0] = (last_pos_val + ntp[1])/(ntp[1]+1) - 1; |
| 295 |
> |
nelem = (ntp[0]+1)*(ntp[1]+1); |
| 296 |
|
fclose(fp); |
| 297 |
|
errmsg[0] = '\0'; /* sanity checks */ |
| 298 |
< |
if (ntp[0] <= 0) |
| 299 |
< |
sprintf(errmsg, "no data in sensor file '%s'", sfile); |
| 298 |
> |
if (!last_pos_val) |
| 299 |
> |
sprintf(errmsg, "no positive sensor values in file '%s'", sfile); |
| 300 |
|
else if (fabs(sarr[ntp[1]+1]) > FTINY) |
| 301 |
|
sprintf(errmsg, "minimum theta must be 0 in sensor file '%s'", |
| 302 |
|
sfile); |
| 307 |
|
sprintf(errmsg, |
| 308 |
|
"maximum phi must be positive in sensor file '%s'", |
| 309 |
|
sfile); |
| 306 |
– |
else if (sarr[ntp[0]*(ntp[1]+1)] <= FTINY) |
| 307 |
– |
sprintf(errmsg, |
| 308 |
– |
"maximum theta must be positive in sensor file '%s'", |
| 309 |
– |
sfile); |
| 310 |
|
if (errmsg[0]) |
| 311 |
|
error(USER, errmsg); |
| 312 |
|
return((float *)realloc((void *)sarr, sizeof(float)*nelem)); |
| 366 |
|
psize = PI*tsize/maxtheta; |
| 367 |
|
if (sntp[0]*sntp[1] < samptot) /* don't overdo resolution */ |
| 368 |
|
samptot = sntp[0]*sntp[1]; |
| 369 |
< |
ntheta = (int)(sqrt((double)samptot*tsize/psize) + 0.5); |
| 369 |
> |
ntheta = (int)(sqrt((double)samptot*tsize/psize)*sntp[0]/sntp[1]) + 1; |
| 370 |
|
if (ntheta > MAXNT) |
| 371 |
|
ntheta = MAXNT; |
| 372 |
|
nphi = samptot/ntheta; |
| 398 |
|
tvals[i] = 1. - ( (1.-frac)*cos(thdiv[t]) + |
| 399 |
|
frac*cos(thdiv[t+1]) ); |
| 400 |
|
/* offset b/c sensor values are centered */ |
| 401 |
< |
if (!t || (t < sntp[0]-1) & (frac >= 0.5)) |
| 401 |
> |
if ((t < sntp[0]-1) & (!t | (frac >= 0.5))) { |
| 402 |
|
frac -= 0.5; |
| 403 |
< |
else { |
| 403 |
> |
} else { |
| 404 |
|
frac += 0.5; |
| 405 |
|
--t; |
| 406 |
|
} |
| 424 |
|
} |
| 425 |
|
pvals[i*(nphi+1) + nphi] = phdiv[sntp[1]]; |
| 426 |
|
} |
| 427 |
+ |
/* duplicate final row */ |
| 428 |
+ |
memcpy(pvals+ntheta*(nphi+1), pvals+(ntheta-1)*(nphi+1), |
| 429 |
+ |
sizeof(*pvals)*(nphi+1)); |
| 430 |
|
tvals[0] = .0f; |
| 431 |
|
tvals[ntheta] = (float)tsize; |
| 432 |
|
} |
