| 8 |
|
*/ |
| 9 |
|
|
| 10 |
|
#include <ctype.h> |
| 11 |
+ |
#include "platform.h" |
| 12 |
|
#include "standard.h" |
| 13 |
+ |
#include "cmatrix.h" |
| 14 |
|
#include "platform.h" |
| 13 |
– |
#include "color.h" |
| 15 |
|
#include "resolu.h" |
| 15 |
– |
#include "bsdf.h" |
| 16 |
|
|
| 17 |
< |
char *progname; /* global argv[0] */ |
| 18 |
< |
|
| 19 |
< |
/* Data types for file loading */ |
| 20 |
< |
enum {DTfromHeader, DTascii, DTfloat, DTdouble, DTrgbe, DTxyze}; |
| 21 |
< |
|
| 22 |
< |
/* A color coefficient matrix -- vectors have ncols==1 */ |
| 23 |
< |
typedef struct { |
| 24 |
< |
int nrows, ncols; |
| 25 |
< |
COLORV cmem[3]; /* extends struct */ |
| 26 |
< |
} CMATRIX; |
| 27 |
< |
|
| 28 |
< |
#define COLSPEC (sizeof(COLORV)==sizeof(float) ? "%f %f %f" : "%lf %lf %lf") |
| 29 |
< |
|
| 30 |
< |
#define cm_lval(cm,r,c) ((cm)->cmem + 3*((r)*(cm)->ncols + (c))) |
| 31 |
< |
|
| 32 |
< |
#define cv_lval(cm,i) ((cm)->cmem + 3*(i)) |
| 33 |
< |
|
| 34 |
< |
/* Allocate a color coefficient matrix */ |
| 35 |
< |
static CMATRIX * |
| 36 |
< |
cm_alloc(int nrows, int ncols) |
| 37 |
< |
{ |
| 38 |
< |
CMATRIX *cm; |
| 39 |
< |
|
| 40 |
< |
if ((nrows <= 0) | (ncols <= 0)) |
| 41 |
< |
return(NULL); |
| 42 |
< |
cm = (CMATRIX *)malloc(sizeof(CMATRIX) + |
| 43 |
< |
3*sizeof(COLORV)*(nrows*ncols - 1)); |
| 44 |
< |
if (cm == NULL) |
| 45 |
< |
error(SYSTEM, "out of memory in cm_alloc()"); |
| 46 |
< |
cm->nrows = nrows; |
| 47 |
< |
cm->ncols = ncols; |
| 48 |
< |
return(cm); |
| 49 |
< |
} |
| 50 |
< |
|
| 51 |
< |
#define cm_free(cm) free(cm) |
| 52 |
< |
|
| 53 |
< |
/* Resize color coefficient matrix */ |
| 54 |
< |
static CMATRIX * |
| 55 |
< |
cm_resize(CMATRIX *cm, int nrows) |
| 56 |
< |
{ |
| 57 |
< |
if (nrows == cm->nrows) |
| 58 |
< |
return(cm); |
| 59 |
< |
if (nrows <= 0) { |
| 60 |
< |
cm_free(cm); |
| 61 |
< |
return(NULL); |
| 62 |
< |
} |
| 63 |
< |
cm = (CMATRIX *)realloc(cm, sizeof(CMATRIX) + |
| 64 |
< |
3*sizeof(COLORV)*(nrows*cm->ncols - 1)); |
| 65 |
< |
if (cm == NULL) |
| 66 |
< |
error(SYSTEM, "out of memory in cm_resize()"); |
| 67 |
< |
cm->nrows = nrows; |
| 68 |
< |
return(cm); |
| 69 |
< |
} |
| 70 |
< |
|
| 71 |
< |
/* Load header to obtain data type */ |
| 17 |
> |
/* Sum together a set of images and write result to fout */ |
| 18 |
|
static int |
| 19 |
< |
getDT(char *s, void *p) |
| 19 |
> |
sum_images(const char *fspec, const CMATRIX *cv, FILE *fout) |
| 20 |
|
{ |
| 21 |
< |
char fmt[32]; |
| 76 |
< |
|
| 77 |
< |
if (formatval(fmt, s)) { |
| 78 |
< |
if (!strcmp(fmt, "ascii")) |
| 79 |
< |
*((int *)p) = DTascii; |
| 80 |
< |
else if (!strcmp(fmt, "float")) |
| 81 |
< |
*((int *)p) = DTfloat; |
| 82 |
< |
else if (!strcmp(fmt, "double")) |
| 83 |
< |
*((int *)p) = DTdouble; |
| 84 |
< |
else if (!strcmp(fmt, COLRFMT)) |
| 85 |
< |
*((int *)p) = DTrgbe; |
| 86 |
< |
else if (!strcmp(fmt, CIEFMT)) |
| 87 |
< |
*((int *)p) = DTxyze; |
| 88 |
< |
} |
| 89 |
< |
return(0); |
| 90 |
< |
} |
| 91 |
< |
|
| 92 |
< |
static int |
| 93 |
< |
getDTfromHeader(FILE *fp) |
| 94 |
< |
{ |
| 95 |
< |
int dt = DTfromHeader; |
| 96 |
< |
|
| 97 |
< |
if (getheader(fp, getDT, &dt) < 0) |
| 98 |
< |
error(SYSTEM, "header read error"); |
| 99 |
< |
if (dt == DTfromHeader) |
| 100 |
< |
error(USER, "missing data format in header"); |
| 101 |
< |
return(dt); |
| 102 |
< |
} |
| 103 |
< |
|
| 104 |
< |
/* Allocate and load a matrix from the given file (or stdin if NULL) */ |
| 105 |
< |
static CMATRIX * |
| 106 |
< |
cm_load(const char *fname, int nrows, int ncols, int dtype) |
| 107 |
< |
{ |
| 108 |
< |
CMATRIX *cm; |
| 109 |
< |
FILE *fp = stdin; |
| 110 |
< |
|
| 111 |
< |
if (fname == NULL) |
| 112 |
< |
fname = "<stdin>"; |
| 113 |
< |
else if ((fp = fopen(fname, "r")) == NULL) { |
| 114 |
< |
sprintf(errmsg, "cannot open file '%s'", fname); |
| 115 |
< |
error(SYSTEM, errmsg); |
| 116 |
< |
} |
| 117 |
< |
if (dtype != DTascii) |
| 118 |
< |
SET_FILE_BINARY(fp); |
| 119 |
< |
if (dtype == DTfromHeader) |
| 120 |
< |
dtype = getDTfromHeader(fp); |
| 121 |
< |
switch (dtype) { |
| 122 |
< |
case DTascii: |
| 123 |
< |
case DTfloat: |
| 124 |
< |
case DTdouble: |
| 125 |
< |
break; |
| 126 |
< |
default: |
| 127 |
< |
error(USER, "unexpected data type in cm_load()"); |
| 128 |
< |
} |
| 129 |
< |
if (nrows <= 0) { /* don't know length? */ |
| 130 |
< |
int guessrows = 147; /* usually big enough */ |
| 131 |
< |
if ((dtype != DTascii) & (fp != stdin)) { |
| 132 |
< |
long startpos = ftell(fp); |
| 133 |
< |
if (fseek(fp, 0L, SEEK_END) == 0) { |
| 134 |
< |
long endpos = ftell(fp); |
| 135 |
< |
long elemsiz = 3*(dtype==DTfloat ? |
| 136 |
< |
sizeof(float) : sizeof(double)); |
| 137 |
< |
|
| 138 |
< |
if ((endpos - startpos) % (ncols*elemsiz)) { |
| 139 |
< |
sprintf(errmsg, |
| 140 |
< |
"improper length for binary file '%s'", |
| 141 |
< |
fname); |
| 142 |
< |
error(USER, errmsg); |
| 143 |
< |
} |
| 144 |
< |
guessrows = (endpos - startpos)/(ncols*elemsiz); |
| 145 |
< |
if (fseek(fp, startpos, SEEK_SET) < 0) { |
| 146 |
< |
sprintf(errmsg, |
| 147 |
< |
"fseek() error on file '%s'", |
| 148 |
< |
fname); |
| 149 |
< |
error(SYSTEM, errmsg); |
| 150 |
< |
} |
| 151 |
< |
nrows = guessrows; /* we're confident */ |
| 152 |
< |
} |
| 153 |
< |
} |
| 154 |
< |
cm = cm_alloc(guessrows, ncols); |
| 155 |
< |
} else |
| 156 |
< |
cm = cm_alloc(nrows, ncols); |
| 157 |
< |
if (cm == NULL) |
| 158 |
< |
return(NULL); |
| 159 |
< |
if (dtype == DTascii) { /* read text file */ |
| 160 |
< |
int maxrow = (nrows > 0 ? nrows : 32000); |
| 161 |
< |
int r, c; |
| 162 |
< |
for (r = 0; r < maxrow; r++) { |
| 163 |
< |
if (r >= cm->nrows) /* need more space? */ |
| 164 |
< |
cm = cm_resize(cm, 2*cm->nrows); |
| 165 |
< |
for (c = 0; c < ncols; c++) { |
| 166 |
< |
COLORV *cv = cm_lval(cm,r,c); |
| 167 |
< |
if (fscanf(fp, COLSPEC, cv, cv+1, cv+2) != 3) |
| 168 |
< |
if ((nrows <= 0) & (r > 0) & (c == 0)) { |
| 169 |
< |
cm = cm_resize(cm, maxrow=r); |
| 170 |
< |
break; |
| 171 |
< |
} else |
| 172 |
< |
goto EOFerror; |
| 173 |
< |
} |
| 174 |
< |
} |
| 175 |
< |
while ((c = getc(fp)) != EOF) |
| 176 |
< |
if (!isspace(c)) { |
| 177 |
< |
sprintf(errmsg, |
| 178 |
< |
"unexpected data at end of ascii file %s", |
| 179 |
< |
fname); |
| 180 |
< |
error(WARNING, errmsg); |
| 181 |
< |
break; |
| 182 |
< |
} |
| 183 |
< |
} else { /* read binary file */ |
| 184 |
< |
if (sizeof(COLORV) == (dtype==DTfloat ? sizeof(float) : |
| 185 |
< |
sizeof(double))) { |
| 186 |
< |
int nread = 0; |
| 187 |
< |
do { /* read all we can */ |
| 188 |
< |
nread += fread(cm->cmem + 3*nread, |
| 189 |
< |
3*sizeof(COLORV), |
| 190 |
< |
cm->nrows*cm->ncols - nread, |
| 191 |
< |
fp); |
| 192 |
< |
if (nrows <= 0) { /* unknown length */ |
| 193 |
< |
if (nread == cm->nrows*cm->ncols) |
| 194 |
< |
/* need more space? */ |
| 195 |
< |
cm = cm_resize(cm, 2*cm->nrows); |
| 196 |
< |
else if (nread % cm->ncols == 0) |
| 197 |
< |
/* seem to be done */ |
| 198 |
< |
cm = cm_resize(cm, nread/cm->ncols); |
| 199 |
< |
else /* ended mid-row */ |
| 200 |
< |
goto EOFerror; |
| 201 |
< |
} else if (nread < cm->nrows*cm->ncols) |
| 202 |
< |
goto EOFerror; |
| 203 |
< |
} while (nread < cm->nrows*cm->ncols); |
| 204 |
< |
|
| 205 |
< |
} else if (dtype == DTdouble) { |
| 206 |
< |
double dc[3]; /* load from double */ |
| 207 |
< |
COLORV *cvp = cm->cmem; |
| 208 |
< |
int n = nrows*ncols; |
| 209 |
< |
|
| 210 |
< |
if (n <= 0) |
| 211 |
< |
goto not_handled; |
| 212 |
< |
while (n--) { |
| 213 |
< |
if (fread(dc, sizeof(double), 3, fp) != 3) |
| 214 |
< |
goto EOFerror; |
| 215 |
< |
copycolor(cvp, dc); |
| 216 |
< |
cvp += 3; |
| 217 |
< |
} |
| 218 |
< |
} else /* dtype == DTfloat */ { |
| 219 |
< |
float fc[3]; /* load from float */ |
| 220 |
< |
COLORV *cvp = cm->cmem; |
| 221 |
< |
int n = nrows*ncols; |
| 222 |
< |
|
| 223 |
< |
if (n <= 0) |
| 224 |
< |
goto not_handled; |
| 225 |
< |
while (n--) { |
| 226 |
< |
if (fread(fc, sizeof(float), 3, fp) != 3) |
| 227 |
< |
goto EOFerror; |
| 228 |
< |
copycolor(cvp, fc); |
| 229 |
< |
cvp += 3; |
| 230 |
< |
} |
| 231 |
< |
} |
| 232 |
< |
if (getc(fp) != EOF) { |
| 233 |
< |
sprintf(errmsg, |
| 234 |
< |
"unexpected data at end of binary file %s", |
| 235 |
< |
fname); |
| 236 |
< |
error(WARNING, errmsg); |
| 237 |
< |
} |
| 238 |
< |
} |
| 239 |
< |
if (fp != stdin) |
| 240 |
< |
fclose(fp); |
| 241 |
< |
return(cm); |
| 242 |
< |
EOFerror: |
| 243 |
< |
sprintf(errmsg, "unexpected EOF reading %s", |
| 244 |
< |
fname); |
| 245 |
< |
error(USER, errmsg); |
| 246 |
< |
not_handled: |
| 247 |
< |
error(INTERNAL, "unhandled data size or length in cm_load()"); |
| 248 |
< |
return(NULL); /* gratis return */ |
| 249 |
< |
} |
| 250 |
< |
|
| 251 |
< |
/* Multiply two matrices (or a matrix and a vector) and allocate the result*/ |
| 252 |
< |
static CMATRIX * |
| 253 |
< |
cm_multiply(const CMATRIX *cm1, const CMATRIX *cm2) |
| 254 |
< |
{ |
| 255 |
< |
CMATRIX *cmr; |
| 256 |
< |
int dr, dc, i; |
| 257 |
< |
|
| 258 |
< |
if ((cm1->ncols <= 0) | (cm1->ncols != cm2->nrows)) |
| 259 |
< |
error(INTERNAL, "matrix dimension mismatch in cm_multiply()"); |
| 260 |
< |
cmr = cm_alloc(cm1->nrows, cm2->ncols); |
| 261 |
< |
if (cmr == NULL) |
| 262 |
< |
return(NULL); |
| 263 |
< |
for (dr = 0; dr < cmr->nrows; dr++) |
| 264 |
< |
for (dc = 0; dc < cmr->ncols; dc++) { |
| 265 |
< |
COLORV *dp = cm_lval(cmr,dr,dc); |
| 266 |
< |
dp[0] = dp[1] = dp[2] = 0; |
| 267 |
< |
for (i = 0; i < cm1->ncols; i++) { |
| 268 |
< |
const COLORV *cp1 = cm_lval(cm1,dr,i); |
| 269 |
< |
const COLORV *cp2 = cm_lval(cm2,i,dc); |
| 270 |
< |
dp[0] += cp1[0] * cp2[0]; |
| 271 |
< |
dp[1] += cp1[1] * cp2[1]; |
| 272 |
< |
dp[2] += cp1[2] * cp2[2]; |
| 273 |
< |
} |
| 274 |
< |
} |
| 275 |
< |
return(cmr); |
| 276 |
< |
} |
| 277 |
< |
|
| 278 |
< |
/* print out matrix as ASCII text -- no header */ |
| 279 |
< |
static void |
| 280 |
< |
cm_print(const CMATRIX *cm, FILE *fp) |
| 281 |
< |
{ |
| 282 |
< |
int r, c; |
| 283 |
< |
const COLORV *mp = cm->cmem; |
| 284 |
< |
|
| 285 |
< |
for (r = 0; r < cm->nrows; r++) { |
| 286 |
< |
for (c = 0; c < cm->ncols; c++, mp += 3) |
| 287 |
< |
fprintf(fp, "\t%.6e %.6e %.6e", mp[0], mp[1], mp[2]); |
| 288 |
< |
fputc('\n', fp); |
| 289 |
< |
} |
| 290 |
< |
} |
| 291 |
< |
|
| 292 |
< |
/* convert a BSDF to our matrix representation */ |
| 293 |
< |
static CMATRIX * |
| 294 |
< |
cm_bsdf(const struct BSDF_data *bsdf) |
| 295 |
< |
{ |
| 296 |
< |
CMATRIX *cm = cm_alloc(bsdf->nout, bsdf->ninc); |
| 297 |
< |
COLORV *mp = cm->cmem; |
| 298 |
< |
int nbadohm = 0; |
| 299 |
< |
int nneg = 0; |
| 300 |
< |
int r, c; |
| 301 |
< |
|
| 302 |
< |
for (r = 0; r < cm->nrows; r++) |
| 303 |
< |
for (c = 0; c < cm->ncols; c++, mp += 3) { |
| 304 |
< |
float f = BSDF_value(bsdf,c,r); |
| 305 |
< |
float dom = getBSDF_incohm(bsdf,c); |
| 306 |
< |
FVECT v; |
| 307 |
< |
|
| 308 |
< |
if (f <= .0) { |
| 309 |
< |
nneg += (f < -FTINY); |
| 310 |
< |
continue; |
| 311 |
< |
} |
| 312 |
< |
if (dom <= .0) { |
| 313 |
< |
nbadohm++; |
| 314 |
< |
continue; |
| 315 |
< |
} |
| 316 |
< |
if (!getBSDF_incvec(v,bsdf,c) || v[2] > FTINY) |
| 317 |
< |
error(USER, "illegal incoming BTDF direction"); |
| 318 |
< |
|
| 319 |
< |
mp[0] = mp[1] = mp[2] = f * dom * -v[2]; |
| 320 |
< |
} |
| 321 |
< |
if (nbadohm | nneg) { |
| 322 |
< |
sprintf(errmsg, |
| 323 |
< |
"BTDF has %d negatives and %d bad incoming solid angles"); |
| 324 |
< |
error(WARNING, errmsg); |
| 325 |
< |
} |
| 326 |
< |
return(cm); |
| 327 |
< |
} |
| 328 |
< |
|
| 329 |
< |
/* Sum together a set of images and write result to stdout */ |
| 330 |
< |
static int |
| 331 |
< |
sum_images(const char *fspec, const CMATRIX *cv) |
| 332 |
< |
{ |
| 21 |
> |
static int runcnt = 0; |
| 22 |
|
int myDT = DTfromHeader; |
| 23 |
< |
CMATRIX *pmat; |
| 24 |
< |
COLOR *scanline; |
| 25 |
< |
int myXR, myYR; |
| 23 |
> |
COLR *scanline = NULL; |
| 24 |
> |
CMATRIX *pmat = NULL; |
| 25 |
> |
int myXR=0, myYR=0; |
| 26 |
|
int i, y; |
| 27 |
|
|
| 28 |
|
if (cv->ncols != 1) |
| 29 |
|
error(INTERNAL, "expected vector in sum_images()"); |
| 30 |
< |
for (i = 0; i < cv->nrows; i++) { |
| 31 |
< |
const COLORV *scv = cv_lval(cv,i); |
| 30 |
> |
for (i = cv->nrows; i-- > 0; ) { |
| 31 |
> |
const int r = runcnt&1 ? i : cv->nrows-1 - i; |
| 32 |
> |
const COLORV *scv = cv_lval(cv,r); |
| 33 |
> |
int flat_file = 0; |
| 34 |
|
char fname[1024]; |
| 35 |
|
FILE *fp; |
| 36 |
+ |
long data_start; |
| 37 |
|
int dt, xr, yr; |
| 38 |
|
COLORV *psp; |
| 39 |
+ |
char *err; |
| 40 |
+ |
/* check for zero */ |
| 41 |
+ |
if ((scv[RED] == 0) & (scv[GRN] == 0) & (scv[BLU] == 0) && |
| 42 |
+ |
(myDT != DTfromHeader) | (i > 0)) |
| 43 |
+ |
continue; |
| 44 |
|
/* open next picture */ |
| 45 |
< |
sprintf(fname, fspec, i); |
| 46 |
< |
if ((fp = fopen(fname, "r")) == NULL) { |
| 45 |
> |
sprintf(fname, fspec, r); |
| 46 |
> |
if ((fp = fopen(fname, "rb")) == NULL) { |
| 47 |
|
sprintf(errmsg, "cannot open picture '%s'", fname); |
| 48 |
|
error(SYSTEM, errmsg); |
| 49 |
|
} |
| 50 |
< |
SET_FILE_BINARY(fp); |
| 51 |
< |
dt = getDTfromHeader(fp); |
| 50 |
> |
#ifdef getc_unlocked |
| 51 |
> |
flockfile(fp); |
| 52 |
> |
#endif |
| 53 |
> |
dt = DTfromHeader; |
| 54 |
> |
if ((err = cm_getheader(&dt, NULL, NULL, NULL, NULL, fp)) != NULL) |
| 55 |
> |
error(USER, err); |
| 56 |
|
if ((dt != DTrgbe) & (dt != DTxyze) || |
| 57 |
|
!fscnresolu(&xr, &yr, fp)) { |
| 58 |
|
sprintf(errmsg, "file '%s' not a picture", fname); |
| 61 |
|
if (myDT == DTfromHeader) { /* on first one */ |
| 62 |
|
myDT = dt; |
| 63 |
|
myXR = xr; myYR = yr; |
| 64 |
< |
scanline = (COLOR *)malloc(sizeof(COLOR)*myXR); |
| 64 |
> |
scanline = (COLR *)malloc(sizeof(COLR)*myXR); |
| 65 |
|
if (scanline == NULL) |
| 66 |
|
error(SYSTEM, "out of memory in sum_images()"); |
| 67 |
|
pmat = cm_alloc(myYR, myXR); |
| 68 |
|
memset(pmat->cmem, 0, sizeof(COLOR)*myXR*myYR); |
| 69 |
|
/* finish header */ |
| 70 |
< |
fputformat(myDT==DTrgbe ? COLRFMT : CIEFMT, stdout); |
| 71 |
< |
fputc('\n', stdout); |
| 72 |
< |
fprtresolu(myXR, myYR, stdout); |
| 372 |
< |
fflush(stdout); |
| 70 |
> |
fputformat(cm_fmt_id[myDT], fout); |
| 71 |
> |
fputc('\n', fout); |
| 72 |
> |
fflush(fout); |
| 73 |
|
} else if ((dt != myDT) | (xr != myXR) | (yr != myYR)) { |
| 74 |
|
sprintf(errmsg, "picture '%s' format/size mismatch", |
| 75 |
|
fname); |
| 76 |
|
error(USER, errmsg); |
| 77 |
|
} |
| 78 |
+ |
/* flat file check */ |
| 79 |
+ |
if ((data_start = ftell(fp)) > 0 && fseek(fp, 0L, SEEK_END) == 0) { |
| 80 |
+ |
flat_file = (ftell(fp) >= data_start + sizeof(COLR)*xr*yr); |
| 81 |
+ |
if (fseek(fp, data_start, SEEK_SET) < 0) { |
| 82 |
+ |
sprintf(errmsg, "cannot seek on picture '%s'", fname); |
| 83 |
+ |
error(SYSTEM, errmsg); |
| 84 |
+ |
} |
| 85 |
+ |
} |
| 86 |
|
psp = pmat->cmem; |
| 87 |
|
for (y = 0; y < yr; y++) { /* read it in */ |
| 88 |
+ |
COLOR col; |
| 89 |
|
int x; |
| 90 |
< |
if (freadscan(scanline, xr, fp) < 0) { |
| 90 |
> |
if (flat_file ? getbinary(scanline, sizeof(COLR), xr, fp) != xr : |
| 91 |
> |
freadcolrs(scanline, xr, fp) < 0) { |
| 92 |
|
sprintf(errmsg, "error reading picture '%s'", |
| 93 |
|
fname); |
| 94 |
|
error(SYSTEM, errmsg); |
| 95 |
|
} |
| 96 |
|
/* sum in scanline */ |
| 97 |
|
for (x = 0; x < xr; x++, psp += 3) { |
| 98 |
< |
multcolor(scanline[x], scv); |
| 99 |
< |
addcolor(psp, scanline[x]); |
| 98 |
> |
if (!scanline[x][EXP]) |
| 99 |
> |
continue; /* skip zeroes */ |
| 100 |
> |
colr_color(col, scanline[x]); |
| 101 |
> |
multcolor(col, scv); |
| 102 |
> |
addcolor(psp, col); |
| 103 |
|
} |
| 104 |
|
} |
| 105 |
|
fclose(fp); /* done this picture */ |
| 106 |
|
} |
| 107 |
|
free(scanline); |
| 108 |
< |
/* write scanlines */ |
| 109 |
< |
for (y = 0; y < myYR; y++) |
| 110 |
< |
if (fwritescan((COLOR *)cm_lval(pmat, y, 0), myXR, stdout) < 0) |
| 111 |
< |
return(0); |
| 399 |
< |
cm_free(pmat); /* all done */ |
| 400 |
< |
return(fflush(stdout) == 0); |
| 108 |
> |
i = cm_write(pmat, myDT, fout); /* write picture */ |
| 109 |
> |
cm_free(pmat); /* free data */ |
| 110 |
> |
++runcnt; /* for zig-zagging */ |
| 111 |
> |
return(i); |
| 112 |
|
} |
| 113 |
|
|
| 114 |
< |
/* check to see if a string contains a %d specification */ |
| 115 |
< |
int |
| 116 |
< |
hasDecimalSpec(const char *s) |
| 114 |
> |
/* adjust matrix dimensions according to user size(s) */ |
| 115 |
> |
static int |
| 116 |
> |
alt_dim(CMATRIX *cm, int nr, int nc) |
| 117 |
|
{ |
| 118 |
< |
while (*s && *s != '%') |
| 408 |
< |
s++; |
| 409 |
< |
if (!*s) |
| 118 |
> |
if ((nr <= 0) & (nc <= 0)) |
| 119 |
|
return(0); |
| 120 |
< |
do |
| 121 |
< |
++s; |
| 122 |
< |
while (isdigit(*s)); |
| 120 |
> |
if ((nr == cm->nrows) & (nc == cm->ncols)) |
| 121 |
> |
return(0); |
| 122 |
> |
if (nr > 0) { |
| 123 |
> |
if (nc <= 0) |
| 124 |
> |
nc = cm->nrows*cm->ncols/nr; |
| 125 |
> |
if (nr*nc != cm->nrows*cm->ncols) { |
| 126 |
> |
fprintf(stderr, "Bad dimensions: %dx%d != %dx%d\n", |
| 127 |
> |
nr, nc, cm->nrows, cm->ncols); |
| 128 |
> |
return(-1); |
| 129 |
> |
} |
| 130 |
> |
} else /* nc > 0 */ { |
| 131 |
> |
nr = cm->nrows*cm->ncols/nc; |
| 132 |
> |
if (nc*nr != cm->nrows*cm->ncols) { |
| 133 |
> |
fprintf(stderr, "Bad dimensions: %d does not divide %dx%d evenly\n", |
| 134 |
> |
nc, cm->nrows, cm->ncols); |
| 135 |
> |
return(-1); |
| 136 |
> |
} |
| 137 |
> |
} |
| 138 |
> |
cm->nrows = nr; |
| 139 |
> |
cm->ncols = nc; |
| 140 |
> |
return(1); |
| 141 |
> |
} |
| 142 |
|
|
| 143 |
< |
return(*s == 'd'); |
| 143 |
> |
/* check to see if a string contains a %d or %o specification */ |
| 144 |
> |
static int |
| 145 |
> |
hasNumberFormat(const char *s) |
| 146 |
> |
{ |
| 147 |
> |
if (s == NULL) |
| 148 |
> |
return(0); |
| 149 |
> |
|
| 150 |
> |
while (*s) { |
| 151 |
> |
while (*s != '%') |
| 152 |
> |
if (!*s++) |
| 153 |
> |
return(0); |
| 154 |
> |
if (*++s == '%') { /* ignore "%%" */ |
| 155 |
> |
++s; |
| 156 |
> |
continue; |
| 157 |
> |
} |
| 158 |
> |
while (isdigit(*s)) /* field length */ |
| 159 |
> |
++s; |
| 160 |
> |
/* field we'll use? */ |
| 161 |
> |
if ((*s == 'd') | (*s == 'i') | (*s == 'o') | |
| 162 |
> |
(*s == 'x') | (*s == 'X')) |
| 163 |
> |
return(1); |
| 164 |
> |
} |
| 165 |
> |
return(0); /* didn't find one */ |
| 166 |
|
} |
| 167 |
|
|
| 168 |
|
int |
| 169 |
|
main(int argc, char *argv[]) |
| 170 |
|
{ |
| 171 |
< |
CMATRIX *tvec, *Dmat, *Tmat, *ivec, *cvec; |
| 172 |
< |
struct BSDF_data *btdf; |
| 171 |
> |
int skyfmt = DTfromHeader; |
| 172 |
> |
int outfmt = DTascii; |
| 173 |
> |
int headout = 1; |
| 174 |
> |
int nsteps = 0; |
| 175 |
> |
char *ofspec = NULL; |
| 176 |
> |
FILE *ofp = stdout; |
| 177 |
> |
int xres=0, yres=0; |
| 178 |
> |
CMATRIX *cmtx; /* component vector/matrix result */ |
| 179 |
> |
char fnbuf[256]; |
| 180 |
> |
int a, i; |
| 181 |
> |
/* set global progname */ |
| 182 |
> |
fixargv0(argv[0]); |
| 183 |
> |
/* get options */ |
| 184 |
> |
for (a = 1; a < argc && argv[a][0] == '-'; a++) |
| 185 |
> |
switch (argv[a][1]) { |
| 186 |
> |
case 'n': |
| 187 |
> |
nsteps = atoi(argv[++a]); |
| 188 |
> |
if (nsteps < 0) |
| 189 |
> |
goto userr; |
| 190 |
> |
skyfmt = nsteps ? DTascii : DTfromHeader; |
| 191 |
> |
break; |
| 192 |
> |
case 'h': |
| 193 |
> |
headout = !headout; |
| 194 |
> |
break; |
| 195 |
> |
case 'i': |
| 196 |
> |
switch (argv[a][2]) { |
| 197 |
> |
case 'f': |
| 198 |
> |
skyfmt = DTfloat; |
| 199 |
> |
break; |
| 200 |
> |
case 'd': |
| 201 |
> |
skyfmt = DTdouble; |
| 202 |
> |
break; |
| 203 |
> |
case 'a': |
| 204 |
> |
skyfmt = DTascii; |
| 205 |
> |
break; |
| 206 |
> |
default: |
| 207 |
> |
goto userr; |
| 208 |
> |
} |
| 209 |
> |
break; |
| 210 |
> |
case 'o': |
| 211 |
> |
switch (argv[a][2]) { |
| 212 |
> |
case '\0': /* output specification (not format) */ |
| 213 |
> |
ofspec = argv[++a]; |
| 214 |
> |
break; |
| 215 |
> |
case 'f': |
| 216 |
> |
outfmt = DTfloat; |
| 217 |
> |
break; |
| 218 |
> |
case 'd': |
| 219 |
> |
outfmt = DTdouble; |
| 220 |
> |
break; |
| 221 |
> |
case 'a': |
| 222 |
> |
outfmt = DTascii; |
| 223 |
> |
break; |
| 224 |
> |
case 'c': |
| 225 |
> |
outfmt = DTrgbe; |
| 226 |
> |
break; |
| 227 |
> |
default: |
| 228 |
> |
goto userr; |
| 229 |
> |
} |
| 230 |
> |
break; |
| 231 |
> |
case 'x': |
| 232 |
> |
xres = atoi(argv[++a]); |
| 233 |
> |
break; |
| 234 |
> |
case 'y': |
| 235 |
> |
yres = atoi(argv[++a]); |
| 236 |
> |
break; |
| 237 |
> |
default: |
| 238 |
> |
goto userr; |
| 239 |
> |
} |
| 240 |
> |
if ((argc-a < 1) | (argc-a > 4)) |
| 241 |
> |
goto userr; |
| 242 |
|
|
| 243 |
< |
progname = argv[0]; |
| 244 |
< |
|
| 245 |
< |
if ((argc < 4) | (argc > 5)) { |
| 246 |
< |
fprintf(stderr, "Usage: %s Vspec Tbsdf.xml Dmat.dat [tregvec]\n", |
| 247 |
< |
progname); |
| 248 |
< |
return(1); |
| 243 |
> |
if (argc-a > 2) { /* VTDs expression */ |
| 244 |
> |
CMATRIX *smtx, *Dmat, *Tmat, *imtx; |
| 245 |
> |
const char *ccp; |
| 246 |
> |
/* get sky vector/matrix */ |
| 247 |
> |
smtx = cm_load(argv[a+3], 0, nsteps, skyfmt); |
| 248 |
> |
nsteps = smtx->ncols; |
| 249 |
> |
/* load BSDF */ |
| 250 |
> |
if (argv[a+1][0] != '!' && |
| 251 |
> |
(ccp = strrchr(argv[a+1], '.')) > argv[a+1] && |
| 252 |
> |
!strcasecmp(ccp+1, "XML")) |
| 253 |
> |
Tmat = cm_loadBTDF(argv[a+1]); |
| 254 |
> |
else |
| 255 |
> |
Tmat = cm_load(argv[a+1], 0, 0, DTfromHeader); |
| 256 |
> |
/* load Daylight matrix */ |
| 257 |
> |
Dmat = cm_load(argv[a+2], Tmat->ncols, |
| 258 |
> |
smtx->nrows, DTfromHeader); |
| 259 |
> |
/* multiply vector through */ |
| 260 |
> |
imtx = cm_multiply(Dmat, smtx); |
| 261 |
> |
cm_free(Dmat); cm_free(smtx); |
| 262 |
> |
cmtx = cm_multiply(Tmat, imtx); |
| 263 |
> |
cm_free(Tmat); |
| 264 |
> |
cm_free(imtx); |
| 265 |
> |
} else { /* sky vector/matrix only */ |
| 266 |
> |
cmtx = cm_load(argv[a+1], 0, nsteps, skyfmt); |
| 267 |
> |
nsteps = cmtx->ncols; |
| 268 |
|
} |
| 269 |
< |
tvec = cm_load(argv[4], 0, 1, DTascii); /* argv[4]==NULL iff argc==4 */ |
| 270 |
< |
Dmat = cm_load(argv[3], 0, tvec->nrows, DTfromHeader); |
| 271 |
< |
btdf = load_BSDF(argv[2]); |
| 272 |
< |
if (btdf == NULL) |
| 435 |
< |
return(1); |
| 436 |
< |
if (btdf->ninc != Dmat->nrows) { |
| 437 |
< |
sprintf(errmsg, "Incoming BTDF dir (%d) mismatch to D (%d)", |
| 438 |
< |
btdf->ninc, Dmat->nrows); |
| 439 |
< |
error(USER, errmsg); |
| 269 |
> |
/* prepare output stream */ |
| 270 |
> |
if ((ofspec != NULL) & (nsteps == 1) && hasNumberFormat(ofspec)) { |
| 271 |
> |
sprintf(fnbuf, ofspec, 0); |
| 272 |
> |
ofspec = fnbuf; |
| 273 |
|
} |
| 274 |
< |
/* multiply vector through */ |
| 275 |
< |
ivec = cm_multiply(Dmat, tvec); |
| 276 |
< |
cm_free(Dmat); cm_free(tvec); |
| 277 |
< |
Tmat = cm_bsdf(btdf); /* convert BTDF to matrix */ |
| 445 |
< |
free_BSDF(btdf); |
| 446 |
< |
cvec = cm_multiply(Tmat, ivec); /* cvec = component vector */ |
| 447 |
< |
cm_free(Tmat); cm_free(ivec); |
| 448 |
< |
if (hasDecimalSpec(argv[1])) { /* generating image */ |
| 449 |
< |
SET_FILE_BINARY(stdout); |
| 450 |
< |
newheader("RADIANCE", stdout); |
| 451 |
< |
printargs(argc, argv, stdout); |
| 452 |
< |
fputnow(stdout); |
| 453 |
< |
if (!sum_images(argv[1], cvec)) |
| 274 |
> |
if (ofspec != NULL && !hasNumberFormat(ofspec)) { |
| 275 |
> |
if ((ofp = fopen(ofspec, "w")) == NULL) { |
| 276 |
> |
fprintf(stderr, "%s: cannot open '%s' for output\n", |
| 277 |
> |
progname, ofspec); |
| 278 |
|
return(1); |
| 279 |
< |
} else { /* generating vector */ |
| 280 |
< |
CMATRIX *Vmat = cm_load(argv[1], 0, cvec->nrows, DTfromHeader); |
| 281 |
< |
CMATRIX *rvec = cm_multiply(Vmat, cvec); |
| 279 |
> |
} |
| 280 |
> |
ofspec = NULL; /* only need to open once */ |
| 281 |
> |
} |
| 282 |
> |
if (hasNumberFormat(argv[a])) { /* loading image vector(s) */ |
| 283 |
> |
if (outfmt != DTrgbe) { |
| 284 |
> |
error(WARNING, "changing output type to -oc"); |
| 285 |
> |
outfmt = DTrgbe; |
| 286 |
> |
} |
| 287 |
> |
if (ofspec == NULL) { |
| 288 |
> |
SET_FILE_BINARY(ofp); |
| 289 |
> |
newheader("RADIANCE", ofp); |
| 290 |
> |
printargs(argc, argv, ofp); |
| 291 |
> |
fputnow(ofp); |
| 292 |
> |
} |
| 293 |
> |
if (nsteps > 1) /* multiple output frames? */ |
| 294 |
> |
for (i = 0; i < nsteps; i++) { |
| 295 |
> |
CMATRIX *cvec = cm_column(cmtx, i); |
| 296 |
> |
if (ofspec != NULL) { |
| 297 |
> |
sprintf(fnbuf, ofspec, i); |
| 298 |
> |
if ((ofp = fopen(fnbuf, "wb")) == NULL) { |
| 299 |
> |
fprintf(stderr, |
| 300 |
> |
"%s: cannot open '%s' for output\n", |
| 301 |
> |
progname, fnbuf); |
| 302 |
> |
return(1); |
| 303 |
> |
} |
| 304 |
> |
newheader("RADIANCE", ofp); |
| 305 |
> |
printargs(argc, argv, ofp); |
| 306 |
> |
fputnow(ofp); |
| 307 |
> |
} |
| 308 |
> |
fprintf(ofp, "FRAME=%d\n", i); |
| 309 |
> |
if (!sum_images(argv[a], cvec, ofp)) |
| 310 |
> |
return(1); |
| 311 |
> |
if (ofspec != NULL) { |
| 312 |
> |
if (fclose(ofp) == EOF) { |
| 313 |
> |
fprintf(stderr, |
| 314 |
> |
"%s: error writing to '%s'\n", |
| 315 |
> |
progname, fnbuf); |
| 316 |
> |
return(1); |
| 317 |
> |
} |
| 318 |
> |
ofp = stdout; |
| 319 |
> |
} |
| 320 |
> |
cm_free(cvec); |
| 321 |
> |
} |
| 322 |
> |
else if (!sum_images(argv[a], cmtx, ofp)) |
| 323 |
> |
return(1); |
| 324 |
> |
} else { /* loading view matrix */ |
| 325 |
> |
CMATRIX *Vmat = cm_load(argv[a], 0, cmtx->nrows, DTfromHeader); |
| 326 |
> |
CMATRIX *rmtx = cm_multiply(Vmat, cmtx); |
| 327 |
|
cm_free(Vmat); |
| 328 |
< |
cm_print(rvec, stdout); |
| 329 |
< |
cm_free(rvec); |
| 328 |
> |
if (ofspec != NULL) { /* multiple vector files? */ |
| 329 |
> |
const char *wtype = (outfmt==DTascii) ? "w" : "wb"; |
| 330 |
> |
for (i = 0; i < nsteps; i++) { |
| 331 |
> |
CMATRIX *rvec = cm_column(rmtx, i); |
| 332 |
> |
if (alt_dim(rvec, yres, xres) < 0) |
| 333 |
> |
return(1); |
| 334 |
> |
sprintf(fnbuf, ofspec, i); |
| 335 |
> |
if ((ofp = fopen(fnbuf, wtype)) == NULL) { |
| 336 |
> |
fprintf(stderr, |
| 337 |
> |
"%s: cannot open '%s' for output\n", |
| 338 |
> |
progname, fnbuf); |
| 339 |
> |
return(1); |
| 340 |
> |
} |
| 341 |
> |
#ifdef getc_unlocked |
| 342 |
> |
flockfile(ofp); |
| 343 |
> |
#endif |
| 344 |
> |
if (headout) { /* header output */ |
| 345 |
> |
newheader("RADIANCE", ofp); |
| 346 |
> |
printargs(argc, argv, ofp); |
| 347 |
> |
fputnow(ofp); |
| 348 |
> |
fprintf(ofp, "FRAME=%d\n", i); |
| 349 |
> |
if ((outfmt != DTrgbe) & (outfmt != DTxyze)) { |
| 350 |
> |
fprintf(ofp, "NROWS=%d\n", rvec->nrows); |
| 351 |
> |
fprintf(ofp, "NCOLS=%d\n", rvec->ncols); |
| 352 |
> |
fputncomp(3, ofp); |
| 353 |
> |
} |
| 354 |
> |
if ((outfmt == DTfloat) | (outfmt == DTdouble)) |
| 355 |
> |
fputendian(ofp); |
| 356 |
> |
fputformat(cm_fmt_id[outfmt], ofp); |
| 357 |
> |
fputc('\n', ofp); |
| 358 |
> |
} |
| 359 |
> |
cm_write(rvec, outfmt, ofp); |
| 360 |
> |
if (fclose(ofp) == EOF) { |
| 361 |
> |
fprintf(stderr, |
| 362 |
> |
"%s: error writing to '%s'\n", |
| 363 |
> |
progname, fnbuf); |
| 364 |
> |
return(1); |
| 365 |
> |
} |
| 366 |
> |
ofp = stdout; |
| 367 |
> |
cm_free(rvec); |
| 368 |
> |
} |
| 369 |
> |
} else { |
| 370 |
> |
#ifdef getc_unlocked |
| 371 |
> |
flockfile(ofp); |
| 372 |
> |
#endif |
| 373 |
> |
if (outfmt != DTascii) |
| 374 |
> |
SET_FILE_BINARY(ofp); |
| 375 |
> |
if (alt_dim(rmtx, yres, xres) < 0) |
| 376 |
> |
return(1); |
| 377 |
> |
if (headout) { /* header output */ |
| 378 |
> |
newheader("RADIANCE", ofp); |
| 379 |
> |
printargs(argc, argv, ofp); |
| 380 |
> |
fputnow(ofp); |
| 381 |
> |
if ((outfmt != DTrgbe) & (outfmt != DTxyze)) { |
| 382 |
> |
fprintf(ofp, "NROWS=%d\n", rmtx->nrows); |
| 383 |
> |
fprintf(ofp, "NCOLS=%d\n", rmtx->ncols); |
| 384 |
> |
fputncomp(3, ofp); |
| 385 |
> |
} |
| 386 |
> |
if ((outfmt == DTfloat) | (outfmt == DTdouble)) |
| 387 |
> |
fputendian(ofp); |
| 388 |
> |
fputformat(cm_fmt_id[outfmt], ofp); |
| 389 |
> |
fputc('\n', ofp); |
| 390 |
> |
} |
| 391 |
> |
cm_write(rmtx, outfmt, ofp); |
| 392 |
> |
} |
| 393 |
> |
cm_free(rmtx); |
| 394 |
|
} |
| 395 |
< |
cm_free(cvec); /* final clean-up */ |
| 395 |
> |
if (fflush(ofp) == EOF) { /* final clean-up */ |
| 396 |
> |
fprintf(stderr, "%s: write error on output\n", progname); |
| 397 |
> |
return(1); |
| 398 |
> |
} |
| 399 |
> |
cm_free(cmtx); |
| 400 |
|
return(0); |
| 401 |
+ |
userr: |
| 402 |
+ |
fprintf(stderr, "Usage: %s [-n nsteps][-o ospec][-x xr][-y yr][-i{f|d|h}][-o{f|d|c}] DCspec [skyf]\n", |
| 403 |
+ |
progname); |
| 404 |
+ |
fprintf(stderr, " or: %s [-n nsteps][-o ospec][-x xr][-y yr][-i{f|d|h}][-o{f|d|c}] Vspec Tbsdf Dmat.dat [skyf]\n", |
| 405 |
+ |
progname); |
| 406 |
+ |
return(1); |
| 407 |
|
} |
