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/* Copyright (c) 1992 Regents of the University of California */ |
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/* Copyright (c) 1993 Regents of the University of California */ |
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#ifndef lint |
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static char SCCSid[] = "$SunId$ LBL"; |
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#define sscanvec(s,v) (sscanf(s,"%lf %lf %lf",v,v+1,v+2)==3) |
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#endif |
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extern char *atos(); |
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extern FILE *popen(); |
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|
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extern char rifname[128]; /* rad input file name */ |
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|
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extern char VersionID[]; |
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extern char *progname; |
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extern char *octname; |
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fputs(progname, fp); |
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fprintview(&ourview, fp); |
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fputs(sskip(s), fp); |
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fputs("\n", fp); |
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putc('\n', fp); |
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fclose(fp); |
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return; |
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} |
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if (sscanf(s, "%s", buf) == 1) { /* get parameters from a file */ |
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copystruct(&nv, &stdview); |
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if ((fname = getpath(buf, NULL, 0)) == NULL || |
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if ((fname = getpath(buf, "", R_OK)) == NULL || |
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(success = viewfile(fname, &nv, NULL)) == -1) { |
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sprintf(errmsg, "cannot open \"%s\"", buf); |
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error(COMMAND, errmsg); |
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} |
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saveview(s) /* save view to rad file */ |
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char *s; |
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{ |
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char view[64]; |
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char *fname; |
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FILE *fp; |
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|
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if (*atos(view, sizeof(view), s)) { |
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if (isint(view)) { |
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error(COMMAND, "cannot write view by number"); |
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return; |
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} |
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s = sskip(s); |
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} |
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while (isspace(*s)) |
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s++; |
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if (*s) |
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atos(rifname, sizeof(rifname), s); |
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else if (rifname[0] == '\0') { |
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error(COMMAND, "no previous rad file"); |
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return; |
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} |
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if ((fname = getpath(rifname, NULL, 0)) == NULL || |
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(fp = fopen(fname, "a")) == NULL) { |
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sprintf(errmsg, "cannot open \"%s\"", rifname); |
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error(COMMAND, errmsg); |
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return; |
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} |
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fputs("view= ", fp); |
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fputs(view, fp); |
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fprintview(&ourview, fp); |
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putc('\n', fp); |
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fclose(fp); |
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} |
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|
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|
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loadview(s) /* load view from rad file */ |
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char *s; |
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{ |
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char buf[512]; |
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char *fname; |
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FILE *fp; |
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VIEW nv; |
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|
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strcpy(buf, "rad -n -s -V -v "); |
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if (sscanf(s, "%s", buf+strlen(buf)) == 1) |
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s = sskip(s); |
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else |
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strcat(buf, "1"); |
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if (*s) |
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atos(rifname, sizeof(rifname), s); |
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else if (rifname[0] == '\0') { |
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error(COMMAND, "no previous rad file"); |
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return; |
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} |
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if ((fname = getpath(rifname, "", R_OK)) == NULL) { |
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sprintf(errmsg, "cannot access \"%s\"", rifname); |
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error(COMMAND, errmsg); |
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return; |
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} |
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sprintf(buf+strlen(buf), " %s", fname); |
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if ((fp = popen(buf, "r")) == NULL) { |
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error(COMMAND, "cannot run rad"); |
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return; |
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} |
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buf[0] = '\0'; |
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fgets(buf, sizeof(buf), fp); |
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pclose(fp); |
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copystruct(&nv, &stdview); |
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if (!sscanview(&nv, buf)) { |
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error(COMMAND, "rad error -- no such view?"); |
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return; |
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} |
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newview(&nv); |
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} |
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|
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|
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getaim(s) /* aim camera */ |
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char *s; |
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{ |
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{ |
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char buf[128]; |
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register char *cp; |
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register PNODE *p; |
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RECT r; |
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int x, y; |
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double e; |
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|
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register PNODE *p = &ptrunk; |
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int adapt = 0; |
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double e = 1.0; |
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start: |
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for (cp = s; isspace(*cp); cp++) |
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; |
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if (*cp == '@') { |
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adapt++; |
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goto start; |
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} |
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if (*cp == '\0') { /* normalize to point */ |
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if (dev->getcur == NULL) |
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return; |
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r.l = r.d = 0; |
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r.r = hresolu; r.u = vresolu; |
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p = findrect(x, y, &ptrunk, &r, -1); |
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e = 1.0; |
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} else { |
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if (*cp == '=') { /* absolute setting */ |
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p = NULL; |
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for (cp++; isspace(*cp); cp++) |
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; |
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if (*cp == '\0') { /* interactive */ |
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sprintf(buf, "exposure (%lf): ", exposure); |
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sprintf(buf, "exposure (%f): ", exposure); |
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(*dev->comout)(buf); |
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(*dev->comin)(buf, NULL); |
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for (cp = buf; isspace(*cp); cp++) |
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if (*cp == '\0') |
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return; |
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} |
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} else { /* normalize to average */ |
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p = &ptrunk; |
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e = 1.0; |
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} |
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if (*cp == '+' || *cp == '-') /* f-stops */ |
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e *= pow(2.0, atof(cp)); |
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e *= atof(cp); |
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} |
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if (p != NULL) { /* relative setting */ |
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if (bright(p->v) < 1e-25) { |
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if (bright(p->v) < 1e-15) { |
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error(COMMAND, "cannot normalize to zero"); |
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return; |
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} |
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e *= 0.5 / bright(p->v); |
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if (adapt) |
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e *= 106./pow(1.219+pow(luminance(p->v)/exposure,.4),2.5)/exposure; |
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else |
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e *= 0.5 / bright(p->v); |
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} |
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if (e <= FTINY || fabs(1.0 - e) <= FTINY) |
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return; |
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getparam(s+2, "ambient value", 'C', (COLOR *)ambval); |
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break; |
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case 'a': /* accuracy */ |
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getparam(s+2, "ambient accuracy", 'r', &ambacc); |
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if (getparam(s+2, "ambient accuracy", 'r', &ambacc)) |
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setambacc(ambacc); |
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break; |
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case 'd': /* divisions */ |
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getparam(s+2, "ambient divisions", 'i', &ambdiv); |
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(*dev->comout)("ray hit nothing"); |
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else { |
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sprintf(buf, "ray hit %s %s \"%s\"", |
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objptr(thisray.ro->omod)->oname, |
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thisray.ro->omod == OVOID ? VOIDID : |
641 |
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objptr(thisray.ro->omod)->oname, |
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ofun[thisray.ro->otype].funame, |
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thisray.ro->oname); |
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(*dev->comout)(buf); |
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COLR *scanline; |
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int y; |
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|
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if (sscanf(s, "%s", buf) != 1 && buf[0] == '\0') { |
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while (isspace(*s)) |
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s++; |
676 |
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if (*s) |
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atos(buf, sizeof(buf), s); |
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else if (buf[0] == '\0') { |
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error(COMMAND, "no file"); |
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return; |
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} |