83 lines
2.1 KiB
C
83 lines
2.1 KiB
C
/***************************************************************/
|
|
/* REGION STUFF */
|
|
/***************************************************************/
|
|
|
|
#include "fitsio.h"
|
|
#define myPI 3.1415926535897932385
|
|
#define RadToDeg 180.0/myPI
|
|
|
|
typedef struct {
|
|
int exists;
|
|
double xrefval, yrefval;
|
|
double xrefpix, yrefpix;
|
|
double xinc, yinc;
|
|
double rot;
|
|
char type[6];
|
|
} WCSdata;
|
|
|
|
typedef enum {
|
|
point_rgn,
|
|
line_rgn,
|
|
circle_rgn,
|
|
annulus_rgn,
|
|
ellipse_rgn,
|
|
elliptannulus_rgn,
|
|
box_rgn,
|
|
boxannulus_rgn,
|
|
rectangle_rgn,
|
|
diamond_rgn,
|
|
sector_rgn,
|
|
poly_rgn,
|
|
panda_rgn,
|
|
epanda_rgn,
|
|
bpanda_rgn
|
|
} shapeType;
|
|
|
|
typedef enum { pixel_fmt, degree_fmt, hhmmss_fmt } coordFmt;
|
|
|
|
typedef struct {
|
|
char sign; /* Include or exclude? */
|
|
shapeType shape; /* Shape of this region */
|
|
int comp; /* Component number for this region */
|
|
|
|
double xmin,xmax; /* bounding box */
|
|
double ymin,ymax;
|
|
|
|
union { /* Parameters - In pixels */
|
|
|
|
/**** Generic Shape Data ****/
|
|
|
|
struct {
|
|
double p[11]; /* Region parameters */
|
|
double sinT, cosT; /* For rotated shapes */
|
|
double a, b; /* Extra scratch area */
|
|
} gen;
|
|
|
|
/**** Polygon Data ****/
|
|
|
|
struct {
|
|
int nPts; /* Number of Polygon pts */
|
|
double *Pts; /* Polygon points */
|
|
} poly;
|
|
|
|
} param;
|
|
|
|
} RgnShape;
|
|
|
|
typedef struct {
|
|
int nShapes;
|
|
RgnShape *Shapes;
|
|
WCSdata wcs;
|
|
} SAORegion;
|
|
|
|
/* SAO region file routines */
|
|
int fits_read_rgnfile( const char *filename, WCSdata *wcs, SAORegion **Rgn, int *status );
|
|
int fits_in_region( double X, double Y, SAORegion *Rgn );
|
|
void fits_free_region( SAORegion *Rgn );
|
|
void fits_set_region_components ( SAORegion *Rgn );
|
|
void fits_setup_shape ( RgnShape *shape);
|
|
int fits_read_fits_region ( fitsfile *fptr, WCSdata * wcs, SAORegion **Rgn, int *status);
|
|
int fits_read_ascii_region ( const char *filename, WCSdata * wcs, SAORegion **Rgn, int *status);
|
|
|
|
|