			/* 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 */

			typedef struct datarray {
			char name; / name of our data */
			short type; /* DATATY, 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; / RGB data */
			} 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 void freedata(DATARRAY *dta);
			extern double datavalue(DATARRAY dp, double pt);


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

RadiancePmap/data.h
9f35cb983d38pmapmerge

data.h
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