| 7 |
|
* External symbols declared in view.h |
| 8 |
|
*/ |
| 9 |
|
|
| 10 |
< |
/* ==================================================================== |
| 11 |
< |
* The Radiance Software License, Version 1.0 |
| 12 |
< |
* |
| 13 |
< |
* Copyright (c) 1990 - 2002 The Regents of the University of California, |
| 14 |
< |
* through Lawrence Berkeley National Laboratory. All rights reserved. |
| 15 |
< |
* |
| 16 |
< |
* Redistribution and use in source and binary forms, with or without |
| 17 |
< |
* modification, are permitted provided that the following conditions |
| 18 |
< |
* are met: |
| 19 |
< |
* |
| 20 |
< |
* 1. Redistributions of source code must retain the above copyright |
| 21 |
< |
* notice, this list of conditions and the following disclaimer. |
| 22 |
< |
* |
| 23 |
< |
* 2. Redistributions in binary form must reproduce the above copyright |
| 24 |
< |
* notice, this list of conditions and the following disclaimer in |
| 25 |
< |
* the documentation and/or other materials provided with the |
| 26 |
< |
* distribution. |
| 27 |
< |
* |
| 28 |
< |
* 3. The end-user documentation included with the redistribution, |
| 29 |
< |
* if any, must include the following acknowledgment: |
| 30 |
< |
* "This product includes Radiance software |
| 31 |
< |
* (http://radsite.lbl.gov/) |
| 32 |
< |
* developed by the Lawrence Berkeley National Laboratory |
| 33 |
< |
* (http://www.lbl.gov/)." |
| 34 |
< |
* Alternately, this acknowledgment may appear in the software itself, |
| 35 |
< |
* if and wherever such third-party acknowledgments normally appear. |
| 36 |
< |
* |
| 37 |
< |
* 4. The names "Radiance," "Lawrence Berkeley National Laboratory" |
| 38 |
< |
* and "The Regents of the University of California" must |
| 39 |
< |
* not be used to endorse or promote products derived from this |
| 40 |
< |
* software without prior written permission. For written |
| 41 |
< |
* permission, please contact [email protected]. |
| 42 |
< |
* |
| 43 |
< |
* 5. Products derived from this software may not be called "Radiance", |
| 44 |
< |
* nor may "Radiance" appear in their name, without prior written |
| 45 |
< |
* permission of Lawrence Berkeley National Laboratory. |
| 46 |
< |
* |
| 47 |
< |
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED |
| 48 |
< |
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| 49 |
< |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| 50 |
< |
* DISCLAIMED. IN NO EVENT SHALL Lawrence Berkeley National Laboratory OR |
| 51 |
< |
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| 52 |
< |
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| 53 |
< |
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF |
| 54 |
< |
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
| 55 |
< |
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
| 56 |
< |
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT |
| 57 |
< |
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| 58 |
< |
* SUCH DAMAGE. |
| 59 |
< |
* ==================================================================== |
| 60 |
< |
* |
| 61 |
< |
* This software consists of voluntary contributions made by many |
| 62 |
< |
* individuals on behalf of Lawrence Berkeley National Laboratory. For more |
| 63 |
< |
* information on Lawrence Berkeley National Laboratory, please see |
| 64 |
< |
* <http://www.lbl.gov/>. |
| 65 |
< |
*/ |
| 10 |
> |
#include "copyright.h" |
| 11 |
|
|
| 12 |
< |
#include "standard.h" |
| 13 |
< |
|
| 12 |
> |
#include "rtio.h" |
| 13 |
> |
#include "rtmath.h" |
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> |
#include "paths.h" |
| 15 |
|
#include "view.h" |
| 16 |
|
|
| 71 |
– |
#include "paths.h" |
| 17 |
|
|
| 18 |
|
#define FEQ(x,y) (fabs((x)-(y)) <= FTINY) |
| 19 |
|
#define VEQ(v,w) (FEQ((v)[0],(w)[0]) && FEQ((v)[1],(w)[1]) \ |
| 21 |
|
|
| 22 |
|
VIEW stdview = STDVIEW; /* default view parameters */ |
| 23 |
|
|
| 24 |
+ |
static gethfunc gethview; |
| 25 |
|
|
| 26 |
+ |
|
| 27 |
|
char * |
| 28 |
|
setview(v) /* set hvec and vvec, return message on error */ |
| 29 |
|
register VIEW *v; |
| 34 |
|
if (v->vaft < -FTINY || (v->vaft > FTINY && v->vaft <= v->vfore)) |
| 35 |
|
return("illegal fore/aft clipping plane"); |
| 36 |
|
|
| 37 |
< |
if (normalize(v->vdir) == 0.0) /* normalize direction */ |
| 37 |
> |
if (v->vdist <= FTINY) |
| 38 |
> |
return("illegal view distance"); |
| 39 |
> |
v->vdist *= normalize(v->vdir); /* normalize direction */ |
| 40 |
> |
if (v->vdist == 0.0) |
| 41 |
|
return("zero view direction"); |
| 42 |
|
|
| 43 |
|
if (normalize(v->vup) == 0.0) /* normalize view up */ |
| 276 |
|
|
| 277 |
|
void |
| 278 |
|
pix2loc(loc, rp, px, py) /* compute image location from pixel pos. */ |
| 279 |
< |
FLOAT loc[2]; |
| 279 |
> |
RREAL loc[2]; |
| 280 |
|
register RESOLU *rp; |
| 281 |
|
int px, py; |
| 282 |
|
{ |
| 351 |
|
v->vdir[0] = atof(av[1]); |
| 352 |
|
v->vdir[1] = atof(av[2]); |
| 353 |
|
v->vdir[2] = atof(av[3]); |
| 354 |
+ |
v->vdist = 1.; |
| 355 |
|
return(3); |
| 356 |
|
case 'u': /* up */ |
| 357 |
|
check(3,"fff"); |
| 400 |
|
int na; |
| 401 |
|
int nvopts = 0; |
| 402 |
|
|
| 403 |
+ |
while (*s == ' ') |
| 404 |
+ |
s++; |
| 405 |
|
if (*s != '-') |
| 406 |
|
s = sskip2(s,1); |
| 407 |
|
while (*s) { |
| 408 |
|
ac = 0; |
| 409 |
|
do { |
| 410 |
< |
av[ac++] = s; |
| 410 |
> |
if (ac || *s == '-') |
| 411 |
> |
av[ac++] = s; |
| 412 |
|
while (*s && *s != ' ') |
| 413 |
|
s++; |
| 414 |
|
while (*s == ' ') |
| 432 |
|
{ |
| 433 |
|
fprintf(fp, " -vt%c", vp->type); |
| 434 |
|
fprintf(fp, " -vp %.6g %.6g %.6g", vp->vp[0], vp->vp[1], vp->vp[2]); |
| 435 |
< |
fprintf(fp, " -vd %.6g %.6g %.6g", vp->vdir[0], vp->vdir[1], vp->vdir[2]); |
| 435 |
> |
fprintf(fp, " -vd %.6g %.6g %.6g", vp->vdir[0]*vp->vdist, |
| 436 |
> |
vp->vdir[1]*vp->vdist, |
| 437 |
> |
vp->vdir[2]*vp->vdist); |
| 438 |
|
fprintf(fp, " -vu %.6g %.6g %.6g", vp->vup[0], vp->vup[1], vp->vup[2]); |
| 439 |
|
fprintf(fp, " -vh %.6g -vv %.6g", vp->horiz, vp->vert); |
| 440 |
|
fprintf(fp, " -vo %.6g -va %.6g", vp->vfore, vp->vaft); |
| 458 |
|
vp->vp[0], vp->vp[1], vp->vp[2]); |
| 459 |
|
cp += strlen(cp); |
| 460 |
|
} |
| 461 |
< |
if (!VEQ(vp->vdir,stdview.vdir)) { |
| 461 |
> |
if (!FEQ(vp->vdist,stdview.vdist) || !VEQ(vp->vdir,stdview.vdir)) { |
| 462 |
|
sprintf(cp, " -vd %.6g %.6g %.6g", |
| 463 |
< |
vp->vdir[0], vp->vdir[1], vp->vdir[2]); |
| 463 |
> |
vp->vdir[0]*vp->vdist, |
| 464 |
> |
vp->vdir[1]*vp->vdist, |
| 465 |
> |
vp->vdir[2]*vp->vdist); |
| 466 |
|
cp += strlen(cp); |
| 467 |
|
} |
| 468 |
|
if (!VEQ(vp->vup,stdview.vup)) { |
| 502 |
|
isview(s) /* is this a view string? */ |
| 503 |
|
char *s; |
| 504 |
|
{ |
| 505 |
< |
static char *altname[]={NULL,VIEWSTR,"rpict","rview","pinterp",NULL}; |
| 505 |
> |
static char *altname[]={NULL,VIEWSTR,"rpict","rview","rvu","rpiece","pinterp",NULL}; |
| 506 |
|
extern char *progname; |
| 507 |
|
register char *cp; |
| 508 |
|
register char **an; |
| 534 |
|
|
| 535 |
|
|
| 536 |
|
static int |
| 537 |
< |
gethview(s, v) /* get view from header */ |
| 538 |
< |
char *s; |
| 539 |
< |
register struct myview *v; |
| 537 |
> |
gethview( /* get view from header */ |
| 538 |
> |
char *s, |
| 539 |
> |
void *v |
| 540 |
> |
) |
| 541 |
|
{ |
| 542 |
< |
if (isview(s) && sscanview(v->hv, s) > 0) |
| 543 |
< |
v->ok++; |
| 542 |
> |
if (isview(s) && sscanview(((struct myview*)v)->hv, s) > 0) |
| 543 |
> |
((struct myview*)v)->ok++; |
| 544 |
|
return(0); |
| 545 |
|
} |
| 546 |
|
|
| 562 |
|
mvs.hv = vp; |
| 563 |
|
mvs.ok = 0; |
| 564 |
|
|
| 565 |
< |
getheader(fp, (int (*)(char *, char *))&gethview, (char *)&mvs); |
| 565 |
> |
getheader(fp, gethview, &mvs); |
| 566 |
|
|
| 567 |
|
if (rp != NULL && !fgetsresolu(rp, fp)) |
| 568 |
|
mvs.ok = 0; |
