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/* Copyright (c) 1994 Regents of the University of California */ |
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– |
|
| 1 |
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#ifndef lint |
| 2 |
< |
static char SCCSid[] = "$SunId$ LBL"; |
| 2 |
> |
static const char RCSid[] = "$Id$"; |
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#endif |
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– |
|
| 4 |
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/* |
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* Interpolate and extrapolate pictures with different view parameters. |
| 6 |
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* |
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* Greg Ward 09Dec89 |
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*/ |
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|
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< |
#include "standard.h" |
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> |
#include "copyright.h" |
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|
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#include <ctype.h> |
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+ |
#include <string.h> |
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|
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+ |
#include "standard.h" |
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+ |
#include "rtprocess.h" /* Windows: must come before color.h */ |
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#include "view.h" |
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|
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#include "color.h" |
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|
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– |
#include "resolu.h" |
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|
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#define LOG2 0.69314718055994530942 |
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|
| 22 |
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#define pscan(y) (ourpict+(y)*hresolu) |
| 23 |
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#define sscan(y) (ourspict+(y)*hresolu) |
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#define wscan(y) (ourweigh+(y)*hresolu) |
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#define zscan(y) (ourzbuf+(y)*hresolu) |
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+ |
#define bscan(y) (ourbpict+(y)*hresolu) |
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#define averaging (ourweigh != NULL) |
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+ |
#define blurring (ourbpict != NULL) |
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+ |
#define usematrix (hasmatrix & !averaging) |
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+ |
#define zisnorm (!usematrix | ourview.type != VT_PER) |
| 31 |
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|
| 32 |
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#define MAXWT 1000. /* maximum pixel weight (averaging) */ |
| 33 |
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|
| 36 |
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|
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#define PACKSIZ 256 /* max. calculation packet size */ |
| 38 |
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|
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< |
#define RTCOM "rtrace -h- -ovl -fff " |
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> |
#define RTCOM "rtrace -h- -ovl -fff -ld- -i- -I- " |
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|
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#define ABS(x) ((x)>0?(x):-(x)) |
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|
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COLOR *ourspict; /* output pixel sums (averaging) */ |
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float *ourweigh = NULL; /* output pixel weights (averaging) */ |
| 60 |
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float *ourzbuf; /* corresponding z-buffer */ |
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+ |
COLOR *ourbpict = NULL; /* blurred picture (view averaging) */ |
| 62 |
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|
| 63 |
+ |
VIEW avgview; /* average view for -B option */ |
| 64 |
+ |
int nvavg; /* number of views averaged */ |
| 65 |
+ |
|
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char *progname; |
| 67 |
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|
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int fillo = F_FORE|F_BACK; /* selected fill options */ |
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COLR backcolr = BLKCOLR; /* background color */ |
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COLOR backcolor = BLKCOLOR; /* background color (float) */ |
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double backz = 0.0; /* background z value */ |
| 75 |
< |
int normdist = 1; /* normalized distance? */ |
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> |
int normdist = 1; /* i/o normalized distance? */ |
| 76 |
> |
char ourfmt[LPICFMT+1] = PICFMT; /* original picture format */ |
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double ourexp = -1; /* original picture exposure */ |
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int expadj = 0; /* exposure adjustment (f-stops) */ |
| 79 |
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double rexpadj = 1; /* real exposure adjustment */ |
| 80 |
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|
| 81 |
< |
VIEW theirview = STDVIEW; /* input view */ |
| 81 |
> |
VIEW theirview; /* input view */ |
| 82 |
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int gotview; /* got input view? */ |
| 83 |
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int wrongformat = 0; /* input in another format? */ |
| 84 |
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RESOLU tresolu; /* input resolution */ |
| 86 |
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MAT4 theirs2ours; /* transformation matrix */ |
| 87 |
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int hasmatrix = 0; /* has transformation matrix */ |
| 88 |
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|
| 89 |
< |
int PDesc[3] = {-1,-1,-1}; /* rtrace process descriptor */ |
| 84 |
< |
#define childpid (PDesc[2]) |
| 89 |
> |
static SUBPROC PDesc = SP_INACTIVE; /* rtrace process descriptor */ |
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unsigned short queue[PACKSIZ][2]; /* pending pixels */ |
| 91 |
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int packsiz; /* actual packet size */ |
| 92 |
< |
int queuesiz; /* number of pixels pending */ |
| 92 |
> |
int queuesiz = 0; /* number of pixels pending */ |
| 93 |
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|
| 94 |
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extern double movepixel(); |
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|
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int argc; |
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char *argv[]; |
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{ |
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< |
#define check(ol,al) if (argv[i][ol] || \ |
| 102 |
< |
badarg(argc-i-1,argv+i+1,al)) \ |
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> |
#define check(ol,al) if (argv[an][ol] || \ |
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> |
badarg(argc-an-1,argv+an+1,al)) \ |
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goto badopt |
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int gotvfile = 0; |
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int doavg = -1; |
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+ |
int doblur = 0; |
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char *zfile = NULL; |
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char *expcomp = NULL; |
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< |
char *err; |
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< |
int i, rval; |
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> |
int i, an, rval; |
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|
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progname = argv[0]; |
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|
| 113 |
< |
for (i = 1; i < argc && argv[i][0] == '-'; i++) { |
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< |
rval = getviewopt(&ourview, argc-i, argv+i); |
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> |
for (an = 1; an < argc && argv[an][0] == '-'; an++) { |
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> |
rval = getviewopt(&ourview, argc-an, argv+an); |
| 115 |
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if (rval >= 0) { |
| 116 |
< |
i += rval; |
| 116 |
> |
an += rval; |
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continue; |
| 118 |
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} |
| 119 |
< |
switch (argv[i][1]) { |
| 119 |
> |
switch (argv[an][1]) { |
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case 'e': /* exposure */ |
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check(2,"f"); |
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< |
expcomp = argv[++i]; |
| 122 |
> |
expcomp = argv[++an]; |
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break; |
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case 't': /* threshold */ |
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check(2,"f"); |
| 126 |
< |
zeps = atof(argv[++i]); |
| 126 |
> |
zeps = atof(argv[++an]); |
| 127 |
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break; |
| 128 |
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case 'a': /* average */ |
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check(2,NULL); |
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doavg = 1; |
| 131 |
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break; |
| 132 |
+ |
case 'B': /* blur views */ |
| 133 |
+ |
check(2,NULL); |
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+ |
doblur = 1; |
| 135 |
+ |
break; |
| 136 |
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case 'q': /* quick (no avg.) */ |
| 137 |
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check(2,NULL); |
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doavg = 0; |
| 142 |
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normdist = !normdist; |
| 143 |
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break; |
| 144 |
|
case 'f': /* fill type */ |
| 145 |
< |
switch (argv[i][2]) { |
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> |
switch (argv[an][2]) { |
| 146 |
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case '0': /* none */ |
| 147 |
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check(3,NULL); |
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fillo = 0; |
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break; |
| 162 |
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case 's': /* sample */ |
| 163 |
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check(3,"i"); |
| 164 |
< |
fillsamp = atoi(argv[++i]); |
| 164 |
> |
fillsamp = atoi(argv[++an]); |
| 165 |
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break; |
| 166 |
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case 'c': /* color */ |
| 167 |
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check(3,"fff"); |
| 168 |
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fillfunc = backfill; |
| 169 |
< |
setcolor(backcolor, atof(argv[i+1]), |
| 170 |
< |
atof(argv[i+2]), atof(argv[i+3])); |
| 169 |
> |
setcolor(backcolor, atof(argv[an+1]), |
| 170 |
> |
atof(argv[an+2]), atof(argv[an+3])); |
| 171 |
|
setcolr(backcolr, colval(backcolor,RED), |
| 172 |
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colval(backcolor,GRN), |
| 173 |
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colval(backcolor,BLU)); |
| 174 |
< |
i += 3; |
| 174 |
> |
an += 3; |
| 175 |
|
break; |
| 176 |
|
case 'z': /* z value */ |
| 177 |
|
check(3,"f"); |
| 178 |
|
fillfunc = backfill; |
| 179 |
< |
backz = atof(argv[++i]); |
| 179 |
> |
backz = atof(argv[++an]); |
| 180 |
|
break; |
| 181 |
|
case 'r': /* rtrace */ |
| 182 |
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check(3,"s"); |
| 183 |
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fillfunc = rcalfill; |
| 184 |
< |
calstart(RTCOM, argv[++i]); |
| 184 |
> |
calstart(RTCOM, argv[++an]); |
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break; |
| 186 |
|
default: |
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goto badopt; |
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break; |
| 190 |
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case 'z': /* z file */ |
| 191 |
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check(2,"s"); |
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< |
zfile = argv[++i]; |
| 192 |
> |
zfile = argv[++an]; |
| 193 |
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break; |
| 194 |
|
case 'x': /* x resolution */ |
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check(2,"i"); |
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< |
hresolu = atoi(argv[++i]); |
| 196 |
> |
hresolu = atoi(argv[++an]); |
| 197 |
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break; |
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|
case 'y': /* y resolution */ |
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check(2,"i"); |
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< |
vresolu = atoi(argv[++i]); |
| 200 |
> |
vresolu = atoi(argv[++an]); |
| 201 |
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break; |
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case 'p': /* pixel aspect */ |
| 203 |
< |
if (argv[i][2] != 'a') |
| 203 |
> |
if (argv[an][2] != 'a') |
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goto badopt; |
| 205 |
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check(3,"f"); |
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< |
pixaspect = atof(argv[++i]); |
| 206 |
> |
pixaspect = atof(argv[++an]); |
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break; |
| 208 |
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case 'v': /* view file */ |
| 209 |
< |
if (argv[i][2] != 'f') |
| 209 |
> |
if (argv[an][2] != 'f') |
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goto badopt; |
| 211 |
|
check(3,"s"); |
| 212 |
< |
gotvfile = viewfile(argv[++i], &ourview, 0, 0); |
| 212 |
> |
gotvfile = viewfile(argv[++an], &ourview, NULL); |
| 213 |
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if (gotvfile < 0) |
| 214 |
< |
syserror(argv[i]); |
| 214 |
> |
syserror(argv[an]); |
| 215 |
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else if (gotvfile == 0) { |
| 216 |
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fprintf(stderr, "%s: bad view file\n", |
| 217 |
< |
argv[i]); |
| 217 |
> |
argv[an]); |
| 218 |
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exit(1); |
| 219 |
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} |
| 220 |
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break; |
| 221 |
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default: |
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badopt: |
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fprintf(stderr, "%s: command line error at '%s'\n", |
| 224 |
< |
progname, argv[i]); |
| 224 |
> |
progname, argv[an]); |
| 225 |
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goto userr; |
| 226 |
|
} |
| 227 |
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} |
| 228 |
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/* check arguments */ |
| 229 |
< |
if ((argc-i)%2) |
| 229 |
> |
if ((argc-an)%2) |
| 230 |
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goto userr; |
| 231 |
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if (fillsamp == 1) |
| 232 |
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fillo &= ~F_BACK; |
| 233 |
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if (doavg < 0) |
| 234 |
< |
doavg = (argc-i) > 2; |
| 234 |
> |
doavg = (argc-an) > 2; |
| 235 |
|
if (expcomp != NULL) |
| 236 |
|
if (expcomp[0] == '+' | expcomp[0] == '-') { |
| 237 |
|
expadj = atof(expcomp) + (expcomp[0]=='+' ? .5 : -.5); |
| 238 |
< |
if (doavg) |
| 238 |
> |
if (doavg | doblur) |
| 239 |
|
rexpadj = pow(2.0, atof(expcomp)); |
| 240 |
|
else |
| 241 |
|
rexpadj = pow(2.0, (double)expadj); |
| 244 |
|
goto userr; |
| 245 |
|
rexpadj = atof(expcomp); |
| 246 |
|
expadj = log(rexpadj)/LOG2 + (rexpadj>1 ? .5 : -.5); |
| 247 |
< |
if (!doavg) |
| 247 |
> |
if (!(doavg | doblur)) |
| 248 |
|
rexpadj = pow(2.0, (double)expadj); |
| 249 |
|
} |
| 250 |
|
/* set view */ |
| 251 |
< |
if ((err = setview(&ourview)) != NULL) { |
| 252 |
< |
fprintf(stderr, "%s: %s\n", progname, err); |
| 251 |
> |
if (nextview(doblur ? stdin : (FILE *)NULL) == EOF) { |
| 252 |
> |
fprintf(stderr, "%s: no view on standard input!\n", |
| 253 |
> |
progname); |
| 254 |
|
exit(1); |
| 255 |
|
} |
| 256 |
|
normaspect(viewaspect(&ourview), &pixaspect, &hresolu, &vresolu); |
| 265 |
|
if (ourpict == NULL) |
| 266 |
|
syserror(progname); |
| 267 |
|
} |
| 268 |
+ |
if (doblur) { |
| 269 |
+ |
ourbpict = (COLOR *)bmalloc(hresolu*vresolu*sizeof(COLOR)); |
| 270 |
+ |
if (ourbpict == NULL) |
| 271 |
+ |
syserror(progname); |
| 272 |
+ |
} |
| 273 |
|
ourzbuf = (float *)bmalloc(hresolu*vresolu*sizeof(float)); |
| 274 |
|
if (ourzbuf == NULL) |
| 275 |
|
syserror(progname); |
| 261 |
– |
bzero((char *)ourzbuf, hresolu*vresolu*sizeof(float)); |
| 276 |
|
/* new header */ |
| 277 |
|
newheader("RADIANCE", stdout); |
| 278 |
< |
/* get input */ |
| 279 |
< |
for ( ; i < argc; i += 2) |
| 280 |
< |
addpicture(argv[i], argv[i+1]); |
| 281 |
< |
/* fill in spaces */ |
| 282 |
< |
if (fillo&F_BACK) |
| 283 |
< |
backpicture(fillfunc, fillsamp); |
| 284 |
< |
else |
| 285 |
< |
fillpicture(fillfunc); |
| 278 |
> |
fputnow(stdout); |
| 279 |
> |
/* run pictures */ |
| 280 |
> |
do { |
| 281 |
> |
memset((char *)ourzbuf, '\0', hresolu*vresolu*sizeof(float)); |
| 282 |
> |
for (i = an; i < argc; i += 2) |
| 283 |
> |
addpicture(argv[i], argv[i+1]); |
| 284 |
> |
if (fillo&F_BACK) /* fill in spaces */ |
| 285 |
> |
backpicture(fillfunc, fillsamp); |
| 286 |
> |
else |
| 287 |
> |
fillpicture(fillfunc); |
| 288 |
> |
/* aft clipping */ |
| 289 |
> |
clipaft(); |
| 290 |
> |
} while (addblur() && nextview(stdin) != EOF); |
| 291 |
|
/* close calculation */ |
| 292 |
|
caldone(); |
| 274 |
– |
/* aft clipping */ |
| 275 |
– |
clipaft(); |
| 293 |
|
/* add to header */ |
| 294 |
|
printargs(argc, argv, stdout); |
| 295 |
< |
if (gotvfile) { |
| 295 |
> |
compavgview(); |
| 296 |
> |
if (doblur | gotvfile) { |
| 297 |
|
fputs(VIEWSTR, stdout); |
| 298 |
< |
fprintview(&ourview, stdout); |
| 298 |
> |
fprintview(&avgview, stdout); |
| 299 |
|
putc('\n', stdout); |
| 300 |
|
} |
| 301 |
|
if (pixaspect < .99 | pixaspect > 1.01) |
| 306 |
|
ourexp = rexpadj; |
| 307 |
|
if (ourexp < .995 | ourexp > 1.005) |
| 308 |
|
fputexpos(ourexp, stdout); |
| 309 |
< |
fputformat(COLRFMT, stdout); |
| 309 |
> |
if (strcmp(ourfmt, PICFMT)) /* print format if known */ |
| 310 |
> |
fputformat(ourfmt, stdout); |
| 311 |
|
putc('\n', stdout); |
| 312 |
|
/* write picture */ |
| 313 |
|
writepicture(); |
| 318 |
|
exit(0); |
| 319 |
|
userr: |
| 320 |
|
fprintf(stderr, |
| 321 |
< |
"Usage: %s [view opts][-t eps][-z zout][-e spec][-a|-q][-fT][-n] pfile zspec ..\n", |
| 321 |
> |
"Usage: %s [view opts][-t eps][-z zout][-e spec][-B][-a|-q][-fT][-n] pfile zspec ..\n", |
| 322 |
|
progname); |
| 323 |
|
exit(1); |
| 324 |
|
#undef check |
| 325 |
|
} |
| 326 |
|
|
| 327 |
|
|
| 328 |
+ |
int |
| 329 |
|
headline(s) /* process header string */ |
| 330 |
|
char *s; |
| 331 |
|
{ |
| 332 |
|
char fmt[32]; |
| 333 |
|
|
| 334 |
|
if (isheadid(s)) |
| 335 |
< |
return; |
| 335 |
> |
return(0); |
| 336 |
|
if (formatval(fmt, s)) { |
| 337 |
< |
wrongformat = strcmp(fmt, COLRFMT); |
| 338 |
< |
return; |
| 337 |
> |
if (globmatch(ourfmt, fmt)) { |
| 338 |
> |
wrongformat = 0; |
| 339 |
> |
strcpy(ourfmt, fmt); |
| 340 |
> |
} else |
| 341 |
> |
wrongformat = 1; |
| 342 |
> |
return(0); |
| 343 |
|
} |
| 344 |
< |
putc('\t', stdout); |
| 345 |
< |
fputs(s, stdout); |
| 346 |
< |
|
| 344 |
> |
if (nvavg < 2) { |
| 345 |
> |
putc('\t', stdout); |
| 346 |
> |
fputs(s, stdout); |
| 347 |
> |
} |
| 348 |
|
if (isexpos(s)) { |
| 349 |
|
theirexp *= exposval(s); |
| 350 |
< |
return; |
| 350 |
> |
return(0); |
| 351 |
|
} |
| 352 |
|
if (isview(s) && sscanview(&theirview, s) > 0) |
| 353 |
|
gotview++; |
| 354 |
+ |
return(0); |
| 355 |
|
} |
| 356 |
|
|
| 357 |
|
|
| 358 |
+ |
nextview(fp) /* get and set next view */ |
| 359 |
+ |
FILE *fp; |
| 360 |
+ |
{ |
| 361 |
+ |
char linebuf[256]; |
| 362 |
+ |
char *err; |
| 363 |
+ |
register int i; |
| 364 |
+ |
|
| 365 |
+ |
if (fp != NULL) { |
| 366 |
+ |
do /* get new view */ |
| 367 |
+ |
if (fgets(linebuf, sizeof(linebuf), fp) == NULL) |
| 368 |
+ |
return(EOF); |
| 369 |
+ |
while (!isview(linebuf) || !sscanview(&ourview, linebuf)); |
| 370 |
+ |
} |
| 371 |
+ |
/* set new view */ |
| 372 |
+ |
if ((err = setview(&ourview)) != NULL) { |
| 373 |
+ |
fprintf(stderr, "%s: %s\n", progname, err); |
| 374 |
+ |
exit(1); |
| 375 |
+ |
} |
| 376 |
+ |
if (!nvavg) { /* first view */ |
| 377 |
+ |
copystruct(&avgview, &ourview); |
| 378 |
+ |
return(nvavg++); |
| 379 |
+ |
} |
| 380 |
+ |
/* add to average view */ |
| 381 |
+ |
for (i = 0; i < 3; i++) { |
| 382 |
+ |
avgview.vp[i] += ourview.vp[i]; |
| 383 |
+ |
avgview.vdir[i] += ourview.vdir[i]; |
| 384 |
+ |
avgview.vup[i] += ourview.vup[i]; |
| 385 |
+ |
} |
| 386 |
+ |
avgview.horiz += ourview.horiz; |
| 387 |
+ |
avgview.vert += ourview.vert; |
| 388 |
+ |
avgview.hoff += ourview.hoff; |
| 389 |
+ |
avgview.voff += ourview.voff; |
| 390 |
+ |
avgview.vfore += ourview.vfore; |
| 391 |
+ |
avgview.vaft += ourview.vaft; |
| 392 |
+ |
return(nvavg++); |
| 393 |
+ |
} |
| 394 |
+ |
|
| 395 |
+ |
|
| 396 |
+ |
compavgview() /* compute average view */ |
| 397 |
+ |
{ |
| 398 |
+ |
register int i; |
| 399 |
+ |
double f; |
| 400 |
+ |
|
| 401 |
+ |
if (nvavg < 2) |
| 402 |
+ |
return; |
| 403 |
+ |
f = 1.0/nvavg; |
| 404 |
+ |
for (i = 0; i < 3; i++) { |
| 405 |
+ |
avgview.vp[i] *= f; |
| 406 |
+ |
avgview.vdir[i] *= f; |
| 407 |
+ |
avgview.vup[i] *= f; |
| 408 |
+ |
} |
| 409 |
+ |
avgview.horiz *= f; |
| 410 |
+ |
avgview.vert *= f; |
| 411 |
+ |
avgview.hoff *= f; |
| 412 |
+ |
avgview.voff *= f; |
| 413 |
+ |
avgview.vfore *= f; |
| 414 |
+ |
avgview.vaft *= f; |
| 415 |
+ |
if (setview(&avgview) != NULL) /* in case of emergency... */ |
| 416 |
+ |
copystruct(&avgview, &ourview); |
| 417 |
+ |
pixaspect = viewaspect(&avgview) * hresolu / vresolu; |
| 418 |
+ |
} |
| 419 |
+ |
|
| 420 |
+ |
|
| 421 |
|
addpicture(pfile, zspec) /* add picture to output */ |
| 422 |
|
char *pfile, *zspec; |
| 423 |
|
{ |
| 434 |
|
syserror(pfile); |
| 435 |
|
/* get header with exposure and view */ |
| 436 |
|
theirexp = 1.0; |
| 437 |
+ |
copystruct(&theirview, &stdview); |
| 438 |
|
gotview = 0; |
| 439 |
< |
printf("%s:\n", pfile); |
| 439 |
> |
if (nvavg < 2) |
| 440 |
> |
printf("%s:\n", pfile); |
| 441 |
|
getheader(pfp, headline, NULL); |
| 442 |
|
if (wrongformat || !gotview || !fgetsresolu(&tresolu, pfp)) { |
| 443 |
|
fprintf(stderr, "%s: picture format error\n", pfile); |
| 470 |
|
if (xlim == NULL) |
| 471 |
|
syserror(progname); |
| 472 |
|
if (!getperim(xlim, &ylim, zin, zfd)) { /* overlapping area? */ |
| 473 |
< |
free((char *)zin); |
| 474 |
< |
free((char *)xlim); |
| 473 |
> |
free((void *)zin); |
| 474 |
> |
free((void *)xlim); |
| 475 |
|
if (zfd != -1) |
| 476 |
|
close(zfd); |
| 477 |
|
fclose(pfp); |
| 490 |
|
exit(1); |
| 491 |
|
} |
| 492 |
|
if (zfd != -1 && lseek(zfd, |
| 493 |
< |
(long)ylim.min*scanlen(&tresolu)*sizeof(float), 0) < 0) |
| 493 |
> |
(off_t)ylim.min*scanlen(&tresolu)*sizeof(float), 0) < 0) |
| 494 |
|
syserror(zspec); |
| 495 |
|
/* load image */ |
| 496 |
|
for (y = ylim.min; y <= ylim.max; y++) { |
| 505 |
|
addscanline(xlim+y, y, scanin, zin, plast); |
| 506 |
|
} |
| 507 |
|
/* clean up */ |
| 508 |
< |
free((char *)xlim); |
| 509 |
< |
free((char *)scanin); |
| 510 |
< |
free((char *)zin); |
| 511 |
< |
free((char *)plast); |
| 508 |
> |
free((void *)xlim); |
| 509 |
> |
free((void *)scanin); |
| 510 |
> |
free((void *)zin); |
| 511 |
> |
free((void *)plast); |
| 512 |
|
fclose(pfp); |
| 513 |
|
if (zfd != -1) |
| 514 |
|
close(zfd); |
| 521 |
|
{ |
| 522 |
|
double m4t[4][4]; |
| 523 |
|
|
| 524 |
< |
if (vw1->type != VT_PER && vw1->type != VT_PAR) |
| 524 |
> |
if (vw1->type != VT_PER & vw1->type != VT_PAR) |
| 525 |
|
return(0); |
| 526 |
< |
if (vw2->type != VT_PER && vw2->type != VT_PAR) |
| 526 |
> |
if (vw2->type != VT_PER & vw2->type != VT_PAR) |
| 527 |
|
return(0); |
| 528 |
|
setident4(xfmat); |
| 529 |
|
xfmat[0][0] = vw1->hvec[0]; |
| 640 |
|
y1 = p0->y + c1*s1y/l1; |
| 641 |
|
for (c2 = l2; c2-- > 0; ) { |
| 642 |
|
x = x1 + c2*s2x/l2; |
| 643 |
< |
if (x < 0 || x >= hresolu) |
| 643 |
> |
if (x < 0 | x >= hresolu) |
| 644 |
|
continue; |
| 645 |
|
y = y1 + c2*s2y/l2; |
| 646 |
< |
if (y < 0 || y >= vresolu) |
| 646 |
> |
if (y < 0 | y >= vresolu) |
| 647 |
|
continue; |
| 648 |
|
if (averaging) { |
| 649 |
|
if (zscan(y)[x] <= 0 || zscan(y)[x]-z |
| 671 |
|
{ |
| 672 |
|
FVECT pt, tdir, odir; |
| 673 |
|
double d; |
| 583 |
– |
register int i; |
| 674 |
|
|
| 675 |
|
if (pos[2] <= 0) /* empty pixel */ |
| 676 |
|
return(0); |
| 677 |
< |
if (!averaging && hasmatrix) { |
| 677 |
> |
if (usematrix) { |
| 678 |
|
pos[0] += theirview.hoff - .5; |
| 679 |
|
pos[1] += theirview.voff - .5; |
| 680 |
+ |
if (normdist & theirview.type == VT_PER) |
| 681 |
+ |
d = sqrt(1. + pos[0]*pos[0]*theirview.hn2 |
| 682 |
+ |
+ pos[1]*pos[1]*theirview.vn2); |
| 683 |
+ |
else |
| 684 |
+ |
d = 1.; |
| 685 |
+ |
pos[2] += d*theirview.vfore; |
| 686 |
|
if (theirview.type == VT_PER) { |
| 687 |
< |
if (normdist) /* adjust distance */ |
| 592 |
< |
pos[2] /= sqrt(1. + pos[0]*pos[0]*theirview.hn2 |
| 593 |
< |
+ pos[1]*pos[1]*theirview.vn2); |
| 687 |
> |
pos[2] /= d; |
| 688 |
|
pos[0] *= pos[2]; |
| 689 |
|
pos[1] *= pos[2]; |
| 690 |
|
} |
| 691 |
|
multp3(pos, pos, theirs2ours); |
| 692 |
< |
if (pos[2] <= 0) |
| 692 |
> |
if (pos[2] <= ourview.vfore) |
| 693 |
|
return(0); |
| 694 |
|
if (ourview.type == VT_PER) { |
| 695 |
|
pos[0] /= pos[2]; |
| 697 |
|
} |
| 698 |
|
pos[0] += .5 - ourview.hoff; |
| 699 |
|
pos[1] += .5 - ourview.voff; |
| 700 |
+ |
pos[2] -= ourview.vfore; |
| 701 |
|
} else { |
| 702 |
|
if (viewray(pt, tdir, &theirview, pos[0], pos[1]) < -FTINY) |
| 703 |
|
return(0); |
| 704 |
< |
if (!normdist && theirview.type == VT_PER) /* adjust */ |
| 704 |
> |
if (!normdist & theirview.type == VT_PER) /* adjust */ |
| 705 |
|
pos[2] *= sqrt(1. + pos[0]*pos[0]*theirview.hn2 |
| 706 |
|
+ pos[1]*pos[1]*theirview.vn2); |
| 707 |
|
pt[0] += tdir[0]*pos[2]; |
| 711 |
|
if (pos[2] <= 0) |
| 712 |
|
return(0); |
| 713 |
|
} |
| 714 |
< |
if (pos[0] < 0 || pos[0] >= 1-FTINY || pos[1] < 0 || pos[1] >= 1-FTINY) |
| 714 |
> |
if (pos[0] < 0 | pos[0] >= 1-FTINY | pos[1] < 0 | pos[1] >= 1-FTINY) |
| 715 |
|
return(0); |
| 716 |
|
if (!averaging) |
| 717 |
|
return(1); |
| 718 |
< |
if (ourview.type == VT_PAR) /* compute our direction */ |
| 719 |
< |
VCOPY(odir, ourview.vdir); |
| 720 |
< |
else |
| 721 |
< |
for (i = 0; i < 3; i++) |
| 722 |
< |
odir[i] = (pt[i] - ourview.vp[i])/pos[2]; |
| 723 |
< |
d = DOT(odir,tdir); /* compute pixel weight */ |
| 724 |
< |
if (d >= 1.-1./MAXWT/MAXWT) |
| 718 |
> |
/* compute pixel weight */ |
| 719 |
> |
if (ourview.type == VT_PAR) { |
| 720 |
> |
d = DOT(ourview.vdir,tdir); |
| 721 |
> |
d = 1. - d*d; |
| 722 |
> |
} else { |
| 723 |
> |
VSUB(odir, pt, ourview.vp); |
| 724 |
> |
d = DOT(odir,tdir); |
| 725 |
> |
d = 1. - d*d/DOT(odir,odir); |
| 726 |
> |
} |
| 727 |
> |
if (d <= 1./MAXWT/MAXWT) |
| 728 |
|
return(MAXWT); /* clip to maximum weight */ |
| 729 |
< |
return(1./sqrt(1.-d)); |
| 729 |
> |
return(1./sqrt(d)); |
| 730 |
|
} |
| 731 |
|
|
| 732 |
|
|
| 757 |
|
yl->min = 32000; yl->max = 0; /* search for points on image */ |
| 758 |
|
for (y = step - 1; y < numscans(&tresolu); y += step) { |
| 759 |
|
if (zfd != -1) { |
| 760 |
< |
if (lseek(zfd, (long)y*scanlen(&tresolu)*sizeof(float), |
| 760 |
> |
if (lseek(zfd, (off_t)y*scanlen(&tresolu)*sizeof(float), |
| 761 |
|
0) < 0) |
| 762 |
|
syserror("lseek"); |
| 763 |
|
if (read(zfd, (char *)zline, |
| 918 |
|
xback = -2; |
| 919 |
|
} |
| 920 |
|
} |
| 921 |
< |
free((char *)yback); |
| 921 |
> |
free((void *)yback); |
| 922 |
|
} |
| 923 |
|
|
| 924 |
|
|
| 931 |
|
for (x = 0; x < hresolu; x++) |
| 932 |
|
if (zscan(y)[x] <= 0) |
| 933 |
|
(*fill)(x,y); |
| 934 |
+ |
if (fill == rcalfill) |
| 935 |
+ |
clearqueue(); |
| 936 |
|
} |
| 937 |
|
|
| 938 |
|
|
| 939 |
|
clipaft() /* perform aft clipping as indicated */ |
| 940 |
|
{ |
| 941 |
|
register int x, y; |
| 942 |
+ |
int adjtest = ourview.type == VT_PER & zisnorm; |
| 943 |
|
double tstdist; |
| 944 |
|
double yzn2, vx; |
| 945 |
|
|
| 946 |
|
if (ourview.vaft <= FTINY) |
| 947 |
< |
return; |
| 947 |
> |
return(0); |
| 948 |
|
tstdist = ourview.vaft - ourview.vfore; |
| 949 |
|
for (y = 0; y < vresolu; y++) { |
| 950 |
< |
if (ourview.type == VT_PER) { /* adjust distance */ |
| 950 |
> |
if (adjtest) { /* adjust test */ |
| 951 |
|
yzn2 = (y+.5)/vresolu + ourview.voff - .5; |
| 952 |
|
yzn2 = 1. + yzn2*yzn2*ourview.vn2; |
| 953 |
|
tstdist = (ourview.vaft - ourview.vfore)*sqrt(yzn2); |
| 954 |
|
} |
| 955 |
|
for (x = 0; x < hresolu; x++) |
| 956 |
|
if (zscan(y)[x] > tstdist) { |
| 957 |
< |
if (ourview.type == VT_PER) { |
| 957 |
> |
if (adjtest) { |
| 958 |
|
vx = (x+.5)/hresolu + ourview.hoff - .5; |
| 959 |
|
if (zscan(y)[x] <= (ourview.vaft - |
| 960 |
|
ourview.vfore) * |
| 962 |
|
continue; |
| 963 |
|
} |
| 964 |
|
if (averaging) |
| 965 |
< |
bzero(sscan(y)[x], sizeof(COLOR)); |
| 965 |
> |
memset(sscan(y)[x], '\0', sizeof(COLOR)); |
| 966 |
|
else |
| 967 |
< |
bzero(pscan(y)[x], sizeof(COLR)); |
| 967 |
> |
memset(pscan(y)[x], '\0', sizeof(COLR)); |
| 968 |
|
zscan(y)[x] = 0.0; |
| 969 |
|
} |
| 970 |
|
} |
| 971 |
+ |
return(1); |
| 972 |
|
} |
| 973 |
|
|
| 974 |
|
|
| 975 |
+ |
addblur() /* add to blurred picture */ |
| 976 |
+ |
{ |
| 977 |
+ |
COLOR cval; |
| 978 |
+ |
double d; |
| 979 |
+ |
register int i; |
| 980 |
+ |
|
| 981 |
+ |
if (!blurring) |
| 982 |
+ |
return(0); |
| 983 |
+ |
i = hresolu*vresolu; |
| 984 |
+ |
if (nvavg < 2) |
| 985 |
+ |
if (averaging) |
| 986 |
+ |
while (i--) { |
| 987 |
+ |
copycolor(ourbpict[i], ourspict[i]); |
| 988 |
+ |
d = 1.0/ourweigh[i]; |
| 989 |
+ |
scalecolor(ourbpict[i], d); |
| 990 |
+ |
} |
| 991 |
+ |
else |
| 992 |
+ |
while (i--) |
| 993 |
+ |
colr_color(ourbpict[i], ourpict[i]); |
| 994 |
+ |
else |
| 995 |
+ |
if (averaging) |
| 996 |
+ |
while (i--) { |
| 997 |
+ |
copycolor(cval, ourspict[i]); |
| 998 |
+ |
d = 1.0/ourweigh[i]; |
| 999 |
+ |
scalecolor(cval, d); |
| 1000 |
+ |
addcolor(ourbpict[i], cval); |
| 1001 |
+ |
} |
| 1002 |
+ |
else |
| 1003 |
+ |
while (i--) { |
| 1004 |
+ |
colr_color(cval, ourpict[i]); |
| 1005 |
+ |
addcolor(ourbpict[i], cval); |
| 1006 |
+ |
} |
| 1007 |
+ |
/* print view */ |
| 1008 |
+ |
printf("VIEW%d:", nvavg); |
| 1009 |
+ |
fprintview(&ourview, stdout); |
| 1010 |
+ |
putchar('\n'); |
| 1011 |
+ |
return(1); |
| 1012 |
+ |
} |
| 1013 |
+ |
|
| 1014 |
+ |
|
| 1015 |
|
writepicture() /* write out picture (alters buffer) */ |
| 1016 |
|
{ |
| 1017 |
|
int y; |
| 1020 |
|
|
| 1021 |
|
fprtresolu(hresolu, vresolu, stdout); |
| 1022 |
|
for (y = vresolu-1; y >= 0; y--) |
| 1023 |
< |
if (averaging) { |
| 1023 |
> |
if (blurring) { |
| 1024 |
> |
for (x = 0; x < hresolu; x++) { /* compute avg. */ |
| 1025 |
> |
d = rexpadj/nvavg; |
| 1026 |
> |
scalecolor(bscan(y)[x], d); |
| 1027 |
> |
} |
| 1028 |
> |
if (fwritescan(bscan(y), hresolu, stdout) < 0) |
| 1029 |
> |
syserror(progname); |
| 1030 |
> |
} else if (averaging) { |
| 1031 |
|
for (x = 0; x < hresolu; x++) { /* average pixels */ |
| 1032 |
|
d = rexpadj/wscan(y)[x]; |
| 1033 |
|
scalecolor(sscan(y)[x], d); |
| 1043 |
|
} |
| 1044 |
|
|
| 1045 |
|
|
| 1046 |
< |
writedistance(fname) /* write out z file */ |
| 1046 |
> |
writedistance(fname) /* write out z file (alters buffer) */ |
| 1047 |
|
char *fname; |
| 1048 |
|
{ |
| 1049 |
< |
int donorm = normdist && ourview.type == VT_PER && |
| 1050 |
< |
!averaging && hasmatrix; |
| 1049 |
> |
int donorm = normdist & !zisnorm ? 1 : |
| 1050 |
> |
ourview.type == VT_PER & !normdist & zisnorm ? -1 : 0; |
| 1051 |
|
int fd; |
| 1052 |
|
int y; |
| 904 |
– |
float *zout; |
| 1053 |
|
|
| 1054 |
|
if ((fd = open(fname, O_WRONLY|O_CREAT|O_TRUNC, 0666)) == -1) |
| 1055 |
|
syserror(fname); |
| 908 |
– |
if (donorm |
| 909 |
– |
&& (zout = (float *)malloc(hresolu*sizeof(float))) == NULL) |
| 910 |
– |
syserror(progname); |
| 1056 |
|
for (y = vresolu-1; y >= 0; y--) { |
| 1057 |
|
if (donorm) { |
| 1058 |
< |
double vx, yzn2; |
| 1058 |
> |
double vx, yzn2, d; |
| 1059 |
|
register int x; |
| 1060 |
|
yzn2 = (y+.5)/vresolu + ourview.voff - .5; |
| 1061 |
|
yzn2 = 1. + yzn2*yzn2*ourview.vn2; |
| 1062 |
|
for (x = 0; x < hresolu; x++) { |
| 1063 |
|
vx = (x+.5)/hresolu + ourview.hoff - .5; |
| 1064 |
< |
zout[x] = zscan(y)[x] |
| 1065 |
< |
* sqrt(vx*vx*ourview.hn2 + yzn2); |
| 1064 |
> |
d = sqrt(vx*vx*ourview.hn2 + yzn2); |
| 1065 |
> |
if (donorm > 0) |
| 1066 |
> |
zscan(y)[x] *= d; |
| 1067 |
> |
else |
| 1068 |
> |
zscan(y)[x] /= d; |
| 1069 |
|
} |
| 1070 |
< |
} else |
| 1071 |
< |
zout = zscan(y); |
| 924 |
< |
if (write(fd, (char *)zout, hresolu*sizeof(float)) |
| 1070 |
> |
} |
| 1071 |
> |
if (write(fd, (char *)zscan(y), hresolu*sizeof(float)) |
| 1072 |
|
< hresolu*sizeof(float)) |
| 1073 |
|
syserror(fname); |
| 1074 |
|
} |
| 928 |
– |
if (donorm) |
| 929 |
– |
free((char *)zout); |
| 1075 |
|
close(fd); |
| 1076 |
|
} |
| 1077 |
|
|
| 1096 |
|
int rval; |
| 1097 |
|
register char **wp, *cp; |
| 1098 |
|
|
| 1099 |
< |
if (childpid != -1) { |
| 1099 |
> |
if (PDesc.running) { |
| 1100 |
|
fprintf(stderr, "%s: too many calculations\n", progname); |
| 1101 |
|
exit(1); |
| 1102 |
|
} |
| 1115 |
|
} |
| 1116 |
|
*wp = NULL; |
| 1117 |
|
/* start process */ |
| 1118 |
< |
if ((rval = open_process(PDesc, argv)) < 0) |
| 1118 |
> |
if ((rval = open_process(&PDesc, argv)) < 0) |
| 1119 |
|
syserror(progname); |
| 1120 |
|
if (rval == 0) { |
| 1121 |
|
fprintf(stderr, "%s: command not found\n", argv[0]); |
| 1130 |
|
|
| 1131 |
|
caldone() /* done with calculation */ |
| 1132 |
|
{ |
| 1133 |
< |
if (childpid == -1) |
| 1133 |
> |
if (!PDesc.running) |
| 1134 |
|
return; |
| 1135 |
|
clearqueue(); |
| 1136 |
< |
close_process(PDesc); |
| 992 |
< |
childpid = -1; |
| 1136 |
> |
close_process(&PDesc); |
| 1137 |
|
} |
| 1138 |
|
|
| 1139 |
|
|
| 1155 |
|
float fbuf[6*(PACKSIZ+1)]; |
| 1156 |
|
register float *fbp; |
| 1157 |
|
register int i; |
| 1158 |
+ |
double vx, vy; |
| 1159 |
|
|
| 1160 |
|
if (queuesiz == 0) |
| 1161 |
|
return; |
| 1168 |
|
*fbp++ = dir[0]; *fbp++ = dir[1]; *fbp++ = dir[2]; |
| 1169 |
|
} |
| 1170 |
|
/* mark end and get results */ |
| 1171 |
< |
bzero((char *)fbp, 6*sizeof(float)); |
| 1172 |
< |
if (process(PDesc, fbuf, fbuf, 4*sizeof(float)*queuesiz, |
| 1171 |
> |
memset((char *)fbp, '\0', 6*sizeof(float)); |
| 1172 |
> |
if (process(&PDesc, (char *)fbuf, (char *)fbuf, |
| 1173 |
> |
4*sizeof(float)*(queuesiz+1), |
| 1174 |
|
6*sizeof(float)*(queuesiz+1)) != |
| 1175 |
< |
4*sizeof(float)*queuesiz) { |
| 1175 |
> |
4*sizeof(float)*(queuesiz+1)) { |
| 1176 |
|
fprintf(stderr, "%s: error reading from rtrace process\n", |
| 1177 |
|
progname); |
| 1178 |
|
exit(1); |
| 1191 |
|
} else |
| 1192 |
|
setcolr(pscan(queue[i][1])[queue[i][0]], |
| 1193 |
|
fbp[0], fbp[1], fbp[2]); |
| 1194 |
< |
zscan(queue[i][1])[queue[i][0]] = fbp[3]; |
| 1194 |
> |
if (zisnorm) |
| 1195 |
> |
zscan(queue[i][1])[queue[i][0]] = fbp[3]; |
| 1196 |
> |
else { |
| 1197 |
> |
vx = (queue[i][0]+.5)/hresolu + ourview.hoff - .5; |
| 1198 |
> |
vy = (queue[i][1]+.5)/vresolu + ourview.voff - .5; |
| 1199 |
> |
zscan(queue[i][1])[queue[i][0]] = fbp[3] / sqrt(1. + |
| 1200 |
> |
vx*vx*ourview.hn2 + vy*vy*ourview.vn2); |
| 1201 |
> |
} |
| 1202 |
|
fbp += 4; |
| 1203 |
|
} |
| 1204 |
|
queuesiz = 0; |