[ViewVC] Diff of: radiance/ray/src/px/pcond4.c

Comparing ray/src/px/pcond4.c (file contents):
Revision 3.10 by greg, Fri Oct 11 10:23:59 1996 UTC vs.
Revision 3.11 by greg, Thu Jan 9 13:56:32 1997 UTC

#	Line 14 \| Line 14 \| static char SCCSid[] = "$SunId$ LBL";
14
15		#define VADAPT 0.08 /* fraction of adaptation from veil */
16
17	<	extern COLOR fovimg; / foveal (1 degree) averaged image */
18	<	extern short fvxr, fvyr; /* foveal image resolution */
17	>	static COLOR veilimg = NULL; / veiling image */
18
20	–	#define fovscan(y) (fovimg+(y)*fvxr)
21	–
22	–	static COLOR veilimg; / veiling image */
23	–
19		#define veilscan(y) (veilimg+(y)*fvxr)
20
21		static float (raydir)[3] = NULL; / ray direction for each pixel */
#	Line 83 \| Line 78 \| *compveil() / compute veiling image /*
78		COLOR ctmp, vsum;
79		int px, py;
80		register int x, y;
81	+
82	+	if (veilimg != NULL) /* already done? */
83	+	return;
84		/* compute ray directions */
85		compraydir();
86		/* compute veil image */
#	Line 113 \| Line 111 \| *compveil() / compute veiling image /*
111		scalecolor(vsum, VADAPT/t2sum);
112		copycolor(veilscan(py)[px], vsum);
113		}
114	+	/* modify FOV sample image */
115	+	for (y = 0; y < fvyr; y++)
116	+	for (x = 0; x < fvxr; x++) {
117	+	scalecolor(fovscan(y)[x], 1.-VADAPT);
118	+	addcolor(fovscan(y)[x], veilscan(y)[x]);
119	+	}
120	+	comphist(); /* recompute histogram */
121		}
122
123

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