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root/Development/ray/src/common/view.h

Comparing ray/src/common/view.h (file contents):
Revision 1.3 by greg, Fri Dec 22 08:21:55 1989 UTC vs.
Revision 2.6 by greg, Tue Jan 9 12:21:13 1996 UTC

#	Line 1 | Line 1
1	<	/* Copyright (c) 1988 Regents of the University of California */
1	>	/* Copyright (c) 1994 Regents of the University of California */
2
3		/* SCCSid "$SunId$ LBL" */
4
#	Line 11 | Line 11
11		/* view types */
12		#define  VT_PER         'v'             /* perspective */
13		#define  VT_PAR         'l'             /* parallel */
14	+	#define  VT_ANG         'a'             /* angular fisheye */
15	+	#define  VT_HEM         'h'             /* hemispherical fisheye */
16	+	#define  VT_CYL         'c'             /* cylindrical panorama */
17
18		typedef struct {
19		int  type;              /* view type */
#	Line 19 | Line 22 | typedef struct {
22		FVECT  vup;             /* view up */
23		double  horiz;          /* horizontal view size */
24		double  vert;           /* vertical view size */
25	<	int  hresolu;           /* horizontal resolution */
26	<	int  vresolu;           /* vertical resolution */
27	<	FVECT  vhinc;           /* computed horizontal increment */
28	<	FVECT  vvinc;           /* computed vertical increment */
29	<	double  vhn2;           /* DOT(vhinc,vhinc) */
30	<	double  vvn2;           /* DOT(vvinc,vvinc) */
25	>	double  hoff;           /* horizontal image offset */
26	>	double  voff;           /* vertical image offset */
27	>	double  vfore;          /* fore clipping plane */
28	>	double  vaft;           /* aft clipping plane (<=0 for inf) */
29	>	FVECT  hvec;            /* computed horizontal image vector */
30	>	FVECT  vvec;            /* computed vertical image vector */
31	>	double  hn2;            /* DOT(hvec,hvec) */
32	>	double  vn2;            /* DOT(vvec,vvec) */
33		} VIEW;                 /* view parameters */
34
35		extern VIEW  stdview;
36
37		extern char  *setview();
38
39	<	#define  STDVIEW(h)     {VT_PER,0.,0.,0.,0.,1.,0.,0.,0.,1.,45.,45.,h,h}
39	>	extern double  viewray();
40
41	+	extern char  *viewopt();
42	+
43	+	#define  viewaspect(v)  sqrt((v)->vn2/(v)->hn2)
44	+
45	+	#define  STDVIEW        {VT_PER,{0.,0.,0.},{0.,1.,0.},{0.,0.,1.}, \
46	+	45.,45.,0.,0.,0.,0., \
47	+	{0.,0.,0.},{0.,0.,0.},0.,0.}
48	+
49		#define  VIEWSTR        "VIEW="
50	+	#define  VIEWSTRL       5

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