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/* Copyright (c) 1991 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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#endif |
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#define MAXDEPTH 32 /* ridiculous ray tree depth */ |
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char rtcom[] = "rtrace -h -otp -fa -x 1"; |
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char xicom[] = "x11image -f"; |
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char rtcom[] = "rtrace -h- -otp -fa -x 1"; |
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char xicom[] = "ximage"; |
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VIEW ourview = STDVIEW; /* view for picture */ |
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int xres, yres; |
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char *progname; /* program name */ |
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char *picture; /* picture name */ |
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FILE *pin; /* input stream */ |
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Display *theDisplay = NULL; /* connection to server */ |
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struct node { /* ray tree node */ |
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double ipt[2]; |
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FVECT ipt; |
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struct node *sister; |
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struct node *daughter; |
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}; |
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{ |
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int i; |
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char combuf[256]; |
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Cursor curs; |
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progname = argv[0]; |
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for (i = 1; i < argc-2; i++) |
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break; |
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if (i > argc-2) { |
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fprintf(stderr, "Usage: %s [-s] [rtrace args] octree picture\n", |
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argv[0]); |
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progname); |
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exit(1); |
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} |
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picture = argv[argc-1]; |
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/* get the viewing parameters */ |
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if (viewfile(argv[argc-1], &ourview, &xres, &yres) <= 0 || |
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if (viewfile(picture, &ourview, &xres, &yres) <= 0 || |
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setview(&ourview) != NULL) { |
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fprintf(stderr, "%s: cannot get view from \"%s\"\n", |
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argv[0], argv[argc-1]); |
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progname, picture); |
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exit(1); |
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} |
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/* open the display */ |
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if ((theDisplay = XOpenDisplay(NULL)) == NULL) { |
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fprintf(stderr, |
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"%s: cannot open display; DISPLAY variable set?\n", |
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argv[0]); |
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progname); |
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exit(1); |
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} |
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/* build input command */ |
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sprintf(combuf, "%s %s | %s", xicom, argv[argc-1], rtcom); |
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sprintf(combuf, "%s %s | %s", xicom, picture, rtcom); |
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for ( ; i < argc-1; i++) { |
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strcat(combuf, " "); |
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strcat(combuf, argv[i]); |
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strtoipt(ipt, str) /* convert string x y z to image point */ |
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double ipt[2]; |
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FVECT ipt; |
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char *str; |
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{ |
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FVECT pt; |
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if (sscanf(str, "%lf %lf %lf", &pt[0], &pt[1], &pt[2]) != 3) |
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return(-1); |
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viewpixel(&ipt[0], &ipt[1], NULL, &ourview, pt); |
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viewloc(ipt, &ourview, pt); |
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return(0); |
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} |
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XWindowAttributes wa; |
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XColor xc; |
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XGCValues gcv; |
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int pm, rx, ry, wx, wy, rw, cw; |
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int rx, ry, wx, wy; |
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Window rw, cw; |
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unsigned int pm; |
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/* compute pointer location */ |
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if (gwind == 0) { |
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XQueryPointer(theDisplay, rwind, &rw, &gwind, |
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&rx, &ry, &wx, &wy, &pm); |
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if (gwind == 0 && |
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(gwind = xfindwind(theDisplay, rwind, picture, 2)) == 0) { |
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fprintf(stderr, "%s: cannot find display window!\n", progname); |
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exit(1); |
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} |
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XQueryPointer(theDisplay, gwind, &rw, &cw, |
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&rx, &ry, &wx, &wy, &pm); |
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XQueryPointer(theDisplay, gwind, &rw, &cw, &rx, &ry, &wx, &wy, &pm); |
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xoff = wx - ipt[0]*xres; |
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yoff = wy - (1.-ipt[1])*yres; |
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/* set graphics context */ |
