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root/radiance/ray/src/rt/ray.h
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Comparing ray/src/rt/ray.h (file contents):
Revision 1.1 by greg, Thu Feb 2 10:41:14 1989 UTC vs.
Revision 1.2 by greg, Tue Apr 11 13:16:43 1989 UTC

# Line 42 | Line 42 | typedef struct ray {
42          FVECT  rop;             /* intersection point */
43          FVECT  ron;             /* intersection surface normal */
44          double  rod;            /* -DOT(rdir, ron) */
45 <        double  ros, rox[4][4]; /* transform back to object space */
45 >        double  rofx[4][4];     /* transform from object space */
46 >        double  rofs;           /* scaling factor from object */
47 >        double  robx[4][4];     /* transform back to object space */
48 >        double  robs;           /* back scaling factor */
49          FVECT  pert;            /* surface normal perturbation */
50          COLOR  pcol;            /* pattern color */
51          COLOR  rcol;            /* returned ray value */

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