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#ifndef GRASS_IMAGERY_H
#define GRASS_IMAGERY_H
#include "gis.h"
#define INAME_LEN 30
struct Ref
{
int nfiles;
struct Ref_Files
{
char name[30]; /* length is not in sync with other definitions */
char mapset[30];
} *file;
struct Ref_Color
{
unsigned char *table ; /* color table for min-max values */
unsigned char *index ; /* data translation index */
unsigned char *buf ; /* data buffer for reading color file */
int fd ; /* for image i/o */
CELL min, max ; /* min,max CELL values */
int n ; /* index into Ref_Files */
} red, grn, blu;
} ;
struct Tape_Info
{
char title[75];
char id[2][75];
char desc[5][75];
} ;
struct Control_Points
{
int count;
double *e1;
double *n1;
double *e2;
double *n2;
int *status;
} ;
struct Signature
{
int nbands;
int nsigs;
char title[100];
struct One_Sig
{
char desc[100];
int npoints;
double *mean; /* one mean for each band */
double **var; /* covariance band-band */
int status; /* may be used to 'delete' a signature */
float r,g,b; /* color */
int have_color;
} *sig;
} ;
struct Cluster
{
int nbands;
int npoints;
CELL **points ;
int np;
double *band_sum ; /* sum over each band */
double *band_sum2 ; /* sum of squares over each band */
int *class ; /* class of each point */
int *reclass ; /* for removing empty classes */
int *count ; /* number of points in each class */
int *countdiff ; /* change in count */
double **sum ; /* sum over band per class */
double **sumdiff ; /* change in sum */
double **sum2 ; /* sum of squares per band per class */
double **mean ; /* initial class means */
struct Signature S ; /* final signature(s) */
int nclasses;
int merge1, merge2;
int iteration;
double percent_stable;
} ;
struct SigSet
{
int nbands;
int nclasses;
char *title;
struct ClassSig
{
long classnum;
char *title;
int used;
int type;
int nsubclasses;
struct SubSig
{
double N;
double pi;
double *means;
double **R;
double **Rinv;
double cnst;
int used;
} *SubSig;
struct ClassData
{
int npixels;
int count;
double **x; /* pixel list: x[npixels][nbands] */
double **p; /* prob p[npixels][subclasses] */
} ClassData;
} *ClassSig;
};
#define SIGNATURE_TYPE_MIXED 1
#define GROUPFILE "CURGROUP"
#define SUBGROUPFILE "CURSUBGROUP"
#include "imagedefs.h"
#endif
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