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root/radiance/ray/src/util/glrad.c
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Comparing ray/src/util/glrad.c (file contents):
Revision 3.21 by greg, Sun Sep 26 15:47:33 2010 UTC vs.
Revision 3.22 by greg, Thu Sep 6 00:07:43 2012 UTC

# Line 646 | Line 646 | moveview(      /* move our view */
646                  VSUM(nv.vp, wp, odir, -1.);
647                  spinvector(nv.vdir, nv.vdir, nv.vup, d);
648          } else if (orb) {               /* orbit up/down */
649 <                fcross(v1, odir, nv.vup);
650 <                if (normalize(v1) == 0.)
649 >                if (geodesic(odir, odir, nv.vup,
650 >                                d=MOVDEG*PI/180.*orb, GEOD_RAD) == 0.0)
651                          return(0);
652 –                spinvector(odir, odir, v1, d=MOVDEG*PI/180.*orb);
652                  VSUM(nv.vp, wp, odir, -1.);
653 <                spinvector(nv.vdir, nv.vdir, v1, d);
653 >                geodesic(nv.vdir, nv.vdir, nv.vup, d, GEOD_RAD);
654          } else if (mov) {               /* move forward/backward */
655                  d = MOVPCT/100. * mov;
656                  VSUM(nv.vp, nv.vp, odir, d);

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