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image.h
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C/C++ Source or Header
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1989-11-20
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3KB
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61 lines
#ifndef lint
static char SccsImageId[] = "%W% %G%";
#endif
/* Module: Image.h
* Purpose: Define the struct for image reading & manipulation parameters
* Modified: {0} Michael VanHilst initial version 24 January 1989
* {n} <who> -- <does what> -- <when>
*/
struct imageRec {
char *filename; /* name of image file */
int fd; /* open handle of image file */
int headersize; /* bytes at top of file used for header */
char *header; /* stored header */
int file_type; /* type of file (array,fits,iraf,etc) */
int storage_type; /* code for file storage (short, real, etc) */
int bytepix; /* number of bytes for pixel of data */
int nimage; /* number of image if more than one in file */
int keep_data; /* flag to keep file data in memory */
int byte_swap; /* flag to byte swap data after reading file */
int row_order; /* row one as top or bottom */
int index_base; /* 0 or 1 based index */
int rotate_code; /* rotation to apply */
int block_type; /* type of blocked file reading */
int filecols, filerows; /* dimensions of image file */
int fiX1, fiX2, fiY1, fiY2; /* image file subsection selection */
double ficenX, ficenY; /* center of image subsection used */
int fiblock; /* base file to image blocking selection */
int dispcols, disprows; /* initial display window size selection */
int dispfix; /* flag that display size was specified */
int keepfilebuf; /* flag to keep file format data buf */
int fdblock; /* initial file to disp blocking selection */
double fdcenX, fdcenY; /* initial display center in file coords */
int bufmax; /* limit of buffer size (square) */
int buffix; /* flag to prevent its being readjusted */
int dispxmax, dispymax; /* limits of display window size */
int dispmin; /* (2 max's but symmetric min) */
int energy; /* energy filter (bitwise) for xray images */
int scaling; /* initial scaling selection */
int fscaled; /* scale and offset used to write file data */
double fscale, fbias; /* prior scale and offset of file data */
double fimin, fimax; /* limits to clip image values (if a<b) */
double fiscale, fibias; /* scale and offset to fit data into buffer */
int fiscaled; /* scale and offset used in file read */
int pmax, pmin; /* image value limits for scaling */
int pfix; /* flag to use limits as given or calculate */
/* parameters for RA and Dec coordinates calculation (based on fits wcs) */
double crRA, crDec, crpixX, crpixY, crdeltX, crdeltY, crotaY;
int astrocoords; /* flag that ra and dec are available */
int imtoolWZT; /* imtool scaling type */
double imtoolwcs[6]; /* iraf imtool WCS coordinates */
double img_adj; /* offset adjust needed for ximage coords */
/* fX=((imgX+adj)*A+(imgY+adj)*C)+E,fY=((imgX+adj)*B+(imgY+adj)*D)+F */
double imtoolWZ[2]; /* imtool greyscale Z values */
int fbconfig; /* iraf imtool frame configuration number */
int frame_number; /* imtool frame number */
int imtool_200; /* current image is from imtool */
int panbox_zoomtype; /* type of zoom from image (av, max, sample) */
};