From d54fe7c1f704a63824c5bfa0ece65245572e9b27 Mon Sep 17 00:00:00 2001 From: Joseph Hunkeler Date: Wed, 4 Mar 2015 21:21:30 -0500 Subject: Initial commit --- include/region.h | 80 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 80 insertions(+) create mode 100644 include/region.h (limited to 'include/region.h') diff --git a/include/region.h b/include/region.h new file mode 100644 index 0000000..4d7c96c --- /dev/null +++ b/include/region.h @@ -0,0 +1,80 @@ +/***************************************************************/ +/* REGION STUFF */ +/***************************************************************/ + +#define myPI 3.1415926535897932385 + +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, + rectangle_rgn, + diamond_rgn, + sector_rgn, + poly_rgn +} shapeType; + +typedef enum { pixel_fmt, degree_fmt, hhmmss_fmt } coordFmt; + +typedef struct { + char sign; /* Include or exclude? */ + shapeType shape; /* Shape of this region */ + + union { /* Parameters - In pixels */ + + /**** Generic Shape Data ****/ + + struct { + double p[8]; /* 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 */ + double xmin,xmax; /* Polygon bounding box */ + double ymin,ymax; + } poly; + + } param; + +} RgnShape; + +typedef struct { + int nShapes; + RgnShape *Shapes; + WCSdata wcs; +} SAORegion; + +#ifdef __cplusplus +extern "C" { +#endif + +int ffrrgn( const char *filename, WCSdata *wcs, SAORegion **Rgn, int *status ); +int fftrgn( double X, double Y, SAORegion *Rgn ); +void fffrgn( SAORegion *Rgn ); + +#ifdef __cplusplus + } +#endif + +#define fits_read_rgnfile ffrrgn +#define fits_in_region fftrgn +#define fits_free_region fffrgn + -- cgit