src/rt/data.h

/* RCSid $Id: data.h,v 2.7 2003/06/27 06:53:22 greg Exp $ */
/*
 * Header for data file loading and computation routines.
 */
#ifndef _RAD_DATA_H_
#define _RAD_DATA_H_
#ifdef __cplusplus
extern "C" {
#endif

#define  MAXDDIM        5               /* maximum data dimensions */

#define  DATATYPE       float           /* single precision to save space */
#define  DATATY         'f'             /* format for DATATYPE */
#define  SPECTY         'c'             /* format for SCOLR */

typedef struct datarray {
        char  *name;                    /* name of our data */
        short  type;                    /* DATATY, SPECTY, RED, GRN or BLU */
        short  nd;                      /* number of dimensions */
        struct {
                DATATYPE  org, siz;             /* coordinate domain */
                int  ne;                        /* number of elements */
                DATATYPE  *p;                   /* point locations */
        } dim[MAXDDIM];                 /* dimension specifications */
        union {
                DATATYPE  *d;                   /* float data */
                COLR  *c;                       /* RGBE data */
                uby8  *s;                       /* spectral data */
                void  *p;                       /* generic pointer */
        }  arr;                         /* the data */
        struct datarray  *next;         /* next array in list */
} DATARRAY;                     /* a data array */


extern DATARRAY *getdata(char *dname);
extern DATARRAY *getpict(char *pname);
extern DATARRAY *getspec(char *sname);
extern void     freedata(DATARRAY *dta);
extern double   datavalue(DATARRAY *dp, double *pt);


#ifdef __cplusplus
}
#endif
#endif /* _RAD_DATA_H_ */

Revision:	2.8
Committed:	Wed Dec 13 23:26:16 2023 UTC (16 months, 3 weeks ago) by greg
Content type:	text/plain
Branch:	MAIN
Changes since 2.7:	+7 -3 lines
Log Message:	feat(rpict,rvu,rtrace,rcontrib): Added "specdata" and "specpict" pattern primitives
#	User	Rev	Content
1	greg	2.8	/* RCSid $Id: data.h,v 2.7 2003/06/27 06:53:22 greg Exp $ */
2	greg	2.4	/*
3			* Header for data file loading and computation routines.
4			*/
5	schorsch	2.6	#ifndef _RAD_DATA_H_
6			#define _RAD_DATA_H_
7			#ifdef __cplusplus
8			extern "C" {
9			#endif
10	greg	1.1
11	greg	2.3	#define MAXDDIM 5 /* maximum data dimensions */
12	greg	1.1
13			#define DATATYPE float /* single precision to save space */
14	greg	2.2	#define DATATY 'f' /* format for DATATYPE */
15	greg	2.8	#define SPECTY 'c' /* format for SCOLR */
16	greg	1.1
17			typedef struct datarray {
18			char name; / name of our data */
19	greg	2.8	short type; /* DATATY, SPECTY, RED, GRN or BLU */
20	greg	2.3	short nd; /* number of dimensions */
21	greg	1.1	struct {
22	greg	2.3	DATATYPE org, siz; /* coordinate domain */
23	greg	1.1	int ne; /* number of elements */
24	greg	2.3	DATATYPE p; / point locations */
25	greg	1.3	} dim[MAXDDIM]; /* dimension specifications */
26	greg	2.3	union {
27			DATATYPE d; / float data */
28	greg	2.8	COLR c; / RGBE data */
29			uby8 s; / spectral data */
30			void p; / generic pointer */
31	greg	2.3	} arr; /* the data */
32	greg	1.1	struct datarray next; / next array in list */
33			} DATARRAY; /* a data array */
34
35	greg	2.4
36			extern DATARRAY getdata(char dname);
37			extern DATARRAY getpict(char pname);
38	greg	2.8	extern DATARRAY getspec(char sname);
39	greg	2.4	extern void freedata(DATARRAY *dta);
40			extern double datavalue(DATARRAY dp, double pt);
41	greg	1.1
42	schorsch	2.6
43			#ifdef __cplusplus
44			}
45	greg	2.4	#endif
46	schorsch	2.6	#endif /* _RAD_DATA_H_ */
47