void addFITSKeywords(fitsfile *fptr)
{
int status=0;
/* TODO add other data later */
fits_write_date(fptr, &status);
}
int CDfits_open_file( char *filename )
{
int status;
int bitpix = 8;
int naxis = 0;
long *naxes;
status = 0;
/* Open file */
fits_create_file( &cfitsptr, filename, &status );
/* Write primary header */
bitpix = 8;
naxis = 0;
fits_create_img( cfitsptr, bitpix, naxis, naxes, &status );
/* Add first keywords */
fits_update_key( cfitsptr, TSTRING, "HDRVER", "1.19", "Header version", &status);
fits_write_date( cfitsptr, &status);
new_file = 1;
return( status );
}
int fits_close(fitsfile *fptr, int *status) {
int iomode;
fits_file_mode(fptr, &iomode, status);
if (iomode == READWRITE) {
fits_write_date(fptr, status);
}
fits_close_file(fptr, status);
fits_print_error(*status);
return *status;
}
fitsfile* create_fits_file(const char* filename, int precision,
int width, int height, int num_times, int num_channels,
double centre_deg[2], double fov_deg[2], double start_time_mjd,
double delta_time_sec, double start_freq_hz, double delta_freq_hz,
int* status)
{
long naxes[4];
double delta;
fitsfile* f = 0;
FILE* t = 0;
if (*status) return 0;
/* Create a new FITS file and write the image headers. */
t = fopen(filename, "rb");
if (t)
{
fclose(t);
remove(filename);
}
naxes[0] = width;
naxes[1] = height;
naxes[2] = num_channels;
naxes[3] = num_times;
fits_create_file(&f, filename, status);
fits_create_img(f, (precision == OSKAR_DOUBLE ? DOUBLE_IMG : FLOAT_IMG),
4, naxes, status);
fits_write_date(f, status);
/* Write axis headers. */
delta = oskar_convert_fov_to_cellsize(fov_deg[0] * M_PI/180, width) * 180/M_PI;
write_axis_header(f, 1, "RA---SIN", "Right Ascension",
centre_deg[0], -delta, width / 2 + 1, 0.0, status);
delta = oskar_convert_fov_to_cellsize(fov_deg[1] * M_PI/180, height) * 180/M_PI;
write_axis_header(f, 2, "DEC--SIN", "Declination",
centre_deg[1], delta, height / 2 + 1, 0.0, status);
write_axis_header(f, 3, "FREQ", "Frequency",
start_freq_hz, delta_freq_hz, 1.0, 0.0, status);
write_axis_header(f, 4, "UTC", "Time",
start_time_mjd, delta_time_sec, 1.0, 0.0, status);
/* Write other headers. */
fits_write_key_str(f, "BUNIT", "JY/BEAM", "Brightness units", status);
fits_write_key_str(f, "TIMESYS", "UTC", NULL, status);
fits_write_key_str(f, "TIMEUNIT", "s", "Time axis units", status);
fits_write_key_dbl(f, "MJD-OBS", start_time_mjd, 10, "Start time", status);
fits_write_key_dbl(f, "OBSRA", centre_deg[0], 10, "RA", status);
fits_write_key_dbl(f, "OBSDEC", centre_deg[1], 10, "DEC", status);
/*fits_flush_file(f, status);*/
return f;
}
/**************************************************************************************
** INDI is asking us to add any FITS keywords to the FITS header
***************************************************************************************/
void INovaCCD::addFITSKeywords(fitsfile *fptr, INDI::CCDChip *targetChip)
{
// Let's first add parent keywords
INDI::CCD::addFITSKeywords(fptr, targetChip);
// Add temperature to FITS header
int status = 0;
double gain = CameraPropertiesN[CCD_GAIN_N].value;
double blkLvl = CameraPropertiesN[CCD_BLACKLEVEL_N].value;
fits_update_key_s(fptr, TDOUBLE, "GAIN", &gain, "CCD Gain", &status);
fits_update_key_s(fptr, TDOUBLE, "BLACKLEVEL", &blkLvl, "CCD Black Level", &status);
fits_write_date(fptr, &status);
}
void write_fits(fitsfile* fptr, int datatype, size_t width, size_t height,
size_t num, void** images, const char* names[], int* status)
{
// total number of pixels
long npix = width*height;
// dimensions
int naxis = 2;
long naxes[2] = { width, height };
// writing offset
long fpixel[2] = { 1, 1 };
// write primary HDU
fits_create_img(fptr, SHORT_IMG, 0, NULL, status);
// record file origin
fits_write_key(fptr, TSTRING, "ORIGIN", "Lensed " LENSED_VERSION, "FITS file originator", status);
fits_write_comment(fptr, "for more information, see http://glenco.github.io/lensed/", status);
// record the date of FITS creation
fits_write_date(fptr, status);
// write images
for(size_t n = 0; n < num; ++n)
{
// create image extension
fits_create_img(fptr, FLOAT_IMG, naxis, naxes, status);
// write pixels
fits_write_pix(fptr, datatype, fpixel, npix, images[n], status);
// give extension name
if(names && names[n])
fits_write_key(fptr, TSTRING, "EXTNAME", (void*)names[n], "extension name", status);
}
}
static fitsfile* create_fits_file(const char* filename, int precision,
int width, int height, int num_times, int num_channels,
double centre_deg[2], double fov_deg[2], double start_time_mjd,
double delta_time_sec, double start_freq_hz, double delta_freq_hz,
int horizon_mode, const char* settings_log, size_t settings_log_length,
int* status)
{
int imagetype;
long naxes[4], naxes_dummy[4] = {1l, 1l, 1l, 1l};
double delta;
const double deg2rad = M_PI / 180.0;
const double rad2deg = 180.0 / M_PI;
fitsfile* f = 0;
const char* line;
size_t length;
if (*status) return 0;
/* Create a new FITS file and write the image headers. */
if (oskar_file_exists(filename)) remove(filename);
imagetype = (precision == OSKAR_DOUBLE ? DOUBLE_IMG : FLOAT_IMG);
naxes[0] = width;
naxes[1] = height;
naxes[2] = num_channels;
naxes[3] = num_times;
fits_create_file(&f, filename, status);
fits_create_img(f, imagetype, 4, naxes_dummy, status);
fits_write_date(f, status);
fits_write_key_str(f, "TELESCOP", "OSKAR " OSKAR_VERSION_STR, 0, status);
/* Write axis headers. */
if (horizon_mode)
{
delta = oskar_convert_fov_to_cellsize(M_PI, width);
write_axis(f, 1, "-----SIN", "Azimuthal angle",
0.0, -delta * rad2deg, (width + 1) / 2.0, status);
delta = oskar_convert_fov_to_cellsize(M_PI, height);
write_axis(f, 2, "-----SIN", "Elevation",
90.0, delta * rad2deg, (height + 1) / 2.0, status);
}
else
{
delta = oskar_convert_fov_to_cellsize(fov_deg[0] * deg2rad, width);
write_axis(f, 1, "RA---SIN", "Right Ascension",
centre_deg[0], -delta * rad2deg, (width + 1) / 2.0, status);
delta = oskar_convert_fov_to_cellsize(fov_deg[1] * deg2rad, height);
write_axis(f, 2, "DEC--SIN", "Declination",
centre_deg[1], delta * rad2deg, (height + 1) / 2.0, status);
}
write_axis(f, 3, "FREQ", "Frequency",
start_freq_hz, delta_freq_hz, 1.0, status);
write_axis(f, 4, "UTC", "Time",
start_time_mjd * 86400.0, delta_time_sec, 1.0, status);
/* Write other headers. */
fits_write_key_str(f, "TIMESYS", "UTC", NULL, status);
fits_write_key_str(f, "TIMEUNIT", "s", "Time axis units", status);
fits_write_key_dbl(f, "MJD-OBS", start_time_mjd, 10, "Start time", status);
if (!horizon_mode)
{
fits_write_key_dbl(f, "OBSRA", centre_deg[0], 10, "RA", status);
fits_write_key_dbl(f, "OBSDEC", centre_deg[1], 10, "DEC", status);
}
/* Write the settings log up to this point as HISTORY comments. */
line = settings_log;
length = settings_log_length;
for (; settings_log_length > 0;)
{
const char* eol;
fits_write_history(f, line, status);
eol = (const char*) memchr(line, '\0', length);
if (!eol) break;
eol += 1;
length -= (eol - line);
line = eol;
}
/* Update header keywords with the correct axis lengths.
* Needs to be done here because CFITSIO doesn't let us write only the
* file header with the correct axis lengths to start with. This trick
* allows us to create a small dummy image block to write only the headers,
* and not waste effort moving a huge block of zeros within the file. */
fits_update_key_lng(f, "NAXIS1", naxes[0], 0, status);
fits_update_key_lng(f, "NAXIS2", naxes[1], 0, status);
fits_update_key_lng(f, "NAXIS3", naxes[2], 0, status);
fits_update_key_lng(f, "NAXIS4", naxes[3], 0, status);
return f;
}
void write_fits(char *filename, int w, int h, unsigned short *data,
double obs_duration,
char* obs_type,
double obs_temperature,
int obs_filterNumber,
char* serial_number,
char* name,
char* ra,
char* dec,
char* alt,
char * az
)
{
fitsfile *fptr; /* pointer to the FITS file, defined in fitsio.h */
int status;
long fpixel, nelements;
/* Initialize FITS image parameters */
int bitpix = USHORT_IMG; /* 16-bit unsigned short pixel values */
long naxis = 2; /* 2-dimensional image */
long naxes[2] = { 256,256 }; /* default image 256 wide by 256 rows */
/* Set the actual width and height of the image */
naxes[0] = w;
naxes[1] = h;
/* Delete old FITS file if it already exists */
remove(filename);
/* Must initialize status before calling fitsio routines */
status = 0;
/* Create a new FITS file and show error message if one occurs */
if (fits_create_file(&fptr, filename, &status))
show_cfitsio_error( status );
/* Write the required keywords for the primary array image. */
/* Since bitpix = USHORT_IMG, this will cause cfitsio to create */
/* a FITS image with BITPIX = 16 (signed short integers) with */
/* BSCALE = 1.0 and BZERO = 32768. This is the convention that */
/* FITS uses to store unsigned integers. Note that the BSCALE */
/* and BZERO keywords will be automatically written by cfitsio */
/* in this case. */
if ( fits_create_img(fptr, bitpix, naxis, naxes, &status) )
show_cfitsio_error( status );
fpixel = 1; /* first pixel to write */
nelements = naxes[0] * naxes[1]; /* number of pixels to write */
/* Write the array of unsigned integers to the FITS file */
if ( fits_write_img(fptr, TUSHORT, fpixel, nelements, data, &status) )
show_cfitsio_error( status );
/* Write optional keywords to the header */
if ( fits_update_key_dbl(fptr, "EXPTIME", obs_duration, -3,
"exposure time (seconds)", &status) )
show_cfitsio_error( status );
if ( fits_update_key_dbl(fptr, "TEMPERAT", obs_temperature, -3,
"temperature (C)", &status) )
show_cfitsio_error( status );
if ( fits_update_key_str(fptr, "IMAGETYP",
obs_type, "image type", &status) )
show_cfitsio_error( status );
if ( fits_update_key(fptr, TSHORT, "FILTNUM", &obs_filterNumber, NULL, &status))
show_cfitsio_error( status );
if ( fits_write_date(fptr, &status) )
show_cfitsio_error( status );
if ( fits_update_key_str(fptr, "SERIALNO",
serial_number, "serial number", &status) )
show_cfitsio_error( status );
if ( fits_update_key_str(fptr, "TARGET",
name, "target name", &status) )
show_cfitsio_error( status );
if ( fits_update_key_str(fptr, "RA",
ra, "right ascension", &status) )
show_cfitsio_error( status );
if ( fits_update_key_str(fptr, "DEC",
dec, "declination", &status) )
show_cfitsio_error( status );
if ( fits_update_key_str(fptr, "EPOCH",
"JNOW", "epoch of coordinates", &status) )
show_cfitsio_error( status );
if ( fits_update_key_str(fptr, "OBJCTRA",
ra, "right ascension", &status) )
show_cfitsio_error( status );
if ( fits_update_key_str(fptr, "OBJCTDEC",
dec, "declination", &status) )
show_cfitsio_error( status );
if ( fits_update_key_dbl(fptr, "ALTITUDE", atof(alt), -4,
"Altitude (deg)", &status) )
show_cfitsio_error( status );
if ( fits_update_key_dbl(fptr, "AZIMUTH", atof(az), -4,
"Azimuth (deg)", &status) )
show_cfitsio_error( status );
/* Close the file */
if ( fits_close_file(fptr, &status) )
show_cfitsio_error( status );
return;
}
int HPXhdr(fitsfile *fptr, struct healpix *hpxdat)
{
char comment[64], cval[16], *ctype1, *ctype2, *descr1, *descr2, *pcode;
int status;
float cos45, crpix1, crpix2, crval1, crval2, lonpole;
double cdelt1, cdelt2;
status = 0;
fits_update_key_log(fptr, "EXTEND", 0,
"No FITS extensions are present", &status);
fits_write_date(fptr, &status);
/* Set pixel transformation parameters. */
if (hpxdat->layout == 0) {
crpix1 = (5 * hpxdat->nside + 1) / 2.0f;
} else {
crpix1 = (4 * hpxdat->nside + 1) / 2.0f;
}
crpix2 = crpix1;
fits_write_key(fptr, TFLOAT, "CRPIX1", &crpix1,
"Coordinate reference pixel", &status);
fits_write_key(fptr, TFLOAT, "CRPIX2", &crpix2,
"Coordinate reference pixel", &status);
cos45 = (float)sqrt(2.0) / 2.0f;
if (hpxdat->layout == 0) {
fits_write_key_flt(fptr, "PC1_1", cos45, -8,
"Transformation matrix element", &status);
fits_write_key_flt(fptr, "PC1_2", cos45, -8,
"Transformation matrix element", &status);
fits_write_key_flt(fptr, "PC2_1", -cos45, -8,
"Transformation matrix element", &status);
fits_write_key_flt(fptr, "PC2_2", cos45, -8,
"Transformation matrix element", &status);
}
cdelt1 = -90.0 / hpxdat->nside / sqrt(2.0);
cdelt2 = -cdelt1;
fits_write_key_dbl(fptr, "CDELT1", cdelt1, -8,
"[deg] Coordinate increment", &status);
fits_write_key_dbl(fptr, "CDELT2", cdelt2, -8,
"[deg] Coordinate increment", &status);
/* Celestial transformation parameters. */
if (hpxdat->layout == 0) {
pcode = "HPX";
} else {
pcode = "XPH";
}
if (hpxdat->crdsys == 'G') {
/* Galactic. */
ctype1 = "GLON";
ctype2 = "GLAT";
descr1 = "Galactic longitude";
descr2 = "Galactic latitude";
} else if (hpxdat->crdsys == 'E') {
/* Ecliptic, who-knows-what. */
ctype1 = "ELON";
ctype2 = "ELAT";
descr1 = "Ecliptic longitude";
descr2 = "Ecliptic latitude";
} else if (hpxdat->crdsys == 'Q') {
/* Equatorial, who-knows-what. */
ctype1 = "RA--";
ctype2 = "DEC-";
descr1 = "Right ascension";
descr2 = "Declination";
} else {
/* Unknown. */
ctype1 = "XLON";
ctype2 = "XLAT";
descr1 = "Longitude";
descr2 = " Latitude";
}
sprintf(cval, "%s-%s", ctype1, pcode);
sprintf(comment, "%s in an %s projection", descr1, pcode);
fits_write_key_str(fptr, "CTYPE1", cval, comment, &status);
sprintf(cval, "%s-%s", ctype2, pcode);
sprintf(comment, "%s in an %s projection", descr2, pcode);
fits_write_key_str(fptr, "CTYPE2", cval, comment, &status);
crval1 = 0.0f + 90.0f * hpxdat->quad;
if (hpxdat->layout == 0) {
crval2 = 0.0f;
} else if (hpxdat->layout == 1) {
crval1 += 180.0f;
crval2 = 90.0f;
} else {
crval1 += 180.0f;
crval2 = -90.0f;
}
if (360.0f < crval1) crval1 -= 360.0f;
sprintf(comment, "[deg] %s at the reference point", descr1);
fits_write_key(fptr, TFLOAT, "CRVAL1", &crval1, comment, &status);
sprintf(comment, "[deg] %s at the reference point", descr2);
fits_write_key(fptr, TFLOAT, "CRVAL2", &crval2, comment, &status);
if (hpxdat->layout) {
lonpole = 180.0f;
sprintf(comment, "[deg] Native longitude of the celestial pole");
fits_write_key(fptr, TFLOAT, "LONPOLE", &lonpole, comment, &status);
}
if (hpxdat->layout == 0) {
fits_write_key_lng(fptr, "PV2_1", (LONGLONG)4,
"HPX H parameter (longitude)", &status);
fits_write_key_lng(fptr, "PV2_2", (LONGLONG)3,
"HPX K parameter (latitude)", &status);
}
/* Commentary. */
fits_write_record(fptr, " ", &status);
if (hpxdat->layout == 0) {
fits_write_comment(fptr,
"Celestial map with FITS-standard HPX coordinate system generated by",
&status);
} else {
fits_write_comment(fptr,
"Celestial map with XPH coordinate system (polar HPX) generated by",
&status);
}
fits_write_comment(fptr,
"'HPXcvt' which reorganises HEALPix data without interpolation as",
&status);
fits_write_comment(fptr,
"described in \"Mapping on the HEALPix grid\" by Mark Calabretta and",
&status);
fits_write_comment(fptr,
"Boud Roukema. See http://www.atnf.csiro.au/people/Mark.Calabretta",
&status);
return status;
}
int FITSImage::saveFITS( const QString &newFilename )
{
int status=0;
long fpixel[2], nelements;
fitsfile *new_fptr;
nelements = stats.dim[0] * stats.dim[1];
fpixel[0] = 1;
fpixel[1] = 1;
/* Create a new File, overwriting existing*/
if (fits_create_file(&new_fptr, newFilename.toAscii(), &status))
{
fits_report_error(stderr, status);
return status;
}
/* Copy ALL contents */
if (fits_copy_file(fptr, new_fptr, 1, 1, 1, &status))
{
fits_report_error(stderr, status);
return status;
}
/* close current file */
if (fits_close_file(fptr, &status))
{
fits_report_error(stderr, status);
return status;
}
if (tempFile)
{
QFile::remove(filename);
tempFile = false;
}
filename = newFilename;
fptr = new_fptr;
/* Write Data */
if (fits_write_pix(fptr, TFLOAT, fpixel, nelements, image_buffer, &status))
{
fits_report_error(stderr, status);
return status;
}
/* Write keywords */
// Minimum
if (fits_update_key(fptr, TDOUBLE, "DATAMIN", &(stats.min), "Minimum value", &status))
{
fits_report_error(stderr, status);
return status;
}
// Maximum
if (fits_update_key(fptr, TDOUBLE, "DATAMAX", &(stats.max), "Maximum value", &status))
{
fits_report_error(stderr, status);
return status;
}
// ISO Date
if (fits_write_date(fptr, &status))
{
fits_report_error(stderr, status);
return status;
}
QString history = QString("Modified by KStars on %1").arg(QDateTime::currentDateTime().toString("yyyy-MM-ddThh:mm:ss"));
// History
if (fits_write_history(fptr, history.toAscii(), &status))
{
fits_report_error(stderr, status);
return status;
}
return status;
}
int hpic_fits_vecindx_write(char *filename, char *creator, char *extname,
char *comment, hpic_vec_int * indx,
hpic_vec_fltarr * vecs, char **vecnames,
char **vecunits, hpic_keys * keys)
{
size_t i, j, k, m;
fitsfile *fp;
int ret = 0;
int bitpix = SHORT_IMG;
int nax = 0;
long axes[] = { 0, 0 };
int total;
int type;
long rows;
long frow = 1;
long fsamp = 1;
size_t veclen;
char **vectypes;
char **names;
char **units;
size_t nvecs = hpic_vec_fltarr_n_get(vecs);
hpic_vec_float *tempvec;
if (nvecs == 0) {
HPIC_ERROR(HPIC_ERR_FITS, "must specify more than zero vectors!");
}
if (!indx) {
HPIC_ERROR(HPIC_ERR_ACCESS, "index vector is not allocated");
}
for (i = 0; i < nvecs; i++) {
tempvec = hpic_vec_fltarr_get(vecs, i);
if (!tempvec) {
HPIC_ERROR(HPIC_ERR_ACCESS, "input vector is not allocated");
}
}
vectypes = hpic_strarr_alloc(nvecs + 1);
names = hpic_strarr_alloc(nvecs + 1);
units = hpic_strarr_alloc(nvecs + 1);
veclen = hpic_vec_int_n_get(indx);
for (i = 0; i < nvecs; i++) {
tempvec = hpic_vec_fltarr_get(vecs, i);
if (veclen != hpic_vec_float_n_get(tempvec)) {
HPIC_ERROR(HPIC_ERR_FITS, "all vectors must have the same length");
}
}
/* setup column parameters */
strncpy(vectypes[0], "1J", HPIC_STRNL);
strncpy(names[0], "INDEX", HPIC_STRNL);
strncpy(units[0], "", HPIC_STRNL);
for (i = 1; i < nvecs + 1; i++) {
strncpy(vectypes[i], "1E", HPIC_STRNL);
strncpy(names[i], vecnames[i - 1], HPIC_STRNL);
strncpy(units[i], vecunits[i - 1], HPIC_STRNL);
}
/* create file */
if (fits_create_file(&fp, filename, &ret)) {
fitserr(ret, "hpic_fits_vecindx_write: creating file");
}
/* create empty primary image */
if (fits_create_img(fp, bitpix, nax, axes, &ret)) {
fitserr(ret, "hpic_fits_vecindx_write: creating primary image");
}
/* write header */
if (fits_write_comment(fp, " ", &ret)) {
fitserr(ret, "hpic_fits_vecindx_write: writing header comment 1");
}
if (fits_write_comment(fp, comment, &ret)) {
fitserr(ret, "hpic_fits_vecindx_write: writing header comment 2");
}
if (fits_write_comment(fp, " ", &ret)) {
fitserr(ret, "hpic_fits_vecindx_write: writing header comment 3");
}
if (fits_write_date(fp, &ret)) {
fitserr(ret, "hpic_fits_vecindx_write: writing date");
}
if (fits_write_key
(fp, TSTRING, "CREATOR", creator, "Software creating the map", &ret)) {
fitserr(ret, "hpic_fits_vecindx_write: writing creator");
}
/* write extension */
if (fits_create_tbl
(fp, BINARY_TBL, (long)veclen, (int)(nvecs + 1), names, vectypes, units,
extname, &ret)) {
fitserr(ret, "hpic_fits_vecindx_write: creating binary table");
}
if (fits_movabs_hdu(fp, 2, &type, &ret)) {
fitserr(ret, "hpic_fits_vecindx_write: moving to extension");
}
/* write mandatory keywords */
if (fits_write_comment(fp, " ", &ret)) {
fitserr(ret, "hpic_fits_vecindx_write: writing ext comment 1");
}
if (fits_write_comment
(fp, "-----------------------------------------------", &ret)) {
fitserr(ret, "hpic_fits_vecindx_write: writing ext comment 2");
}
if (fits_write_comment(fp, " Data Specific Keywords ", &ret)) {
fitserr(ret, "hpic_fits_vecindx_write: writing ext comment 3");
}
if (fits_write_comment
(fp, "-----------------------------------------------", &ret)) {
fitserr(ret, "hpic_fits_vecindx_write: writing ext comment 4");
}
if (fits_write_comment(fp, " ", &ret)) {
fitserr(ret, "hpic_fits_vecindx_write: writing comment 5");
}
/* write optional keywords */
hpic_keys_write(keys, fp, &ret);
/* write the data and clean up */
if (fits_write_col
(fp, TINT, 1, frow, fsamp, (long)veclen, indx->data, &ret)) {
fitserr(ret, "hpic_fits_vecindx_write: writing index column");
}
for (i = 0; i < nvecs; i++) {
tempvec = hpic_vec_fltarr_get(vecs, i);
if (fits_write_col
(fp, TFLOAT, (int)(i + 2), frow, fsamp, (long)veclen, tempvec->data,
&ret)) {
fitserr(ret, "hpic_fits_vecindx_write: writing data column");
}
}
hpic_strarr_free(vectypes, nvecs + 1);
hpic_strarr_free(names, nvecs + 1);
hpic_strarr_free(units, nvecs + 1);
if (fits_close_file(fp, &ret)) {
fitserr(ret, "hpic_fits_vecindx_write: closing file");
}
return ret;
}
int put_header(fitsfile *fptr, struct uvf_header *header, int gcount,
double refdat, char *origin)
{
int naxis = 7;
long pcount = 6;
long naxes[7] = {0, 3, 1, 1, 1, 1, 1};
float bscale = 1.0, bzero = 0.0;
int one = 1, zero = 0;
double dfac1, dfac2, dref1, dref2, frac;
char str[80];
int status = 0;
int ier, year, month, day;
char datobs[16];
/* Create the DATOBS string */
slaDjcl(refdat, &year, &month, &day, &frac, &ier);
if (ier != 0)
fputs("Invalid DATOBS for FITS file.\n", stderr);
sprintf(datobs, "%4.4d-%2.2d-%2.2d", year, month, day);
/* Check for presence of INTTIM */
if (header->index_inttim >=0)
pcount = 7;
/* Write required keywords. */
naxes[2] = header->nstokes;
naxes[4] = header->nif;
fits_write_grphdr(fptr, 1, FLOAT_IMG, naxis, naxes, pcount, gcount,
1, &status);
fits_write_key(fptr, TFLOAT, "BSCALE", &bscale, 0, &status);
fits_write_key(fptr, TFLOAT, "BZERO", &bzero, 0, &status);
/* Additional keywords. */
fits_write_key(fptr, TSTRING, "OBJECT", header->object,
"Source name", &status);
fits_write_key(fptr, TSTRING, "TELESCOP", header->telescop,
0, &status);
fits_write_key(fptr, TSTRING, "INSTRUME", header->instrume,
0, &status);
fits_write_key(fptr, TSTRING, "OBSERVER", header->observer,
0, &status);
fits_write_key(fptr, TSTRING, "DATE-OBS", datobs,
0, &status);
fits_write_key(fptr, TSTRING, "BUNIT", header->bunit,
0, &status);
fits_write_key(fptr, TSTRING, "RADECSYS", header->radecsys,
0, &status);
fits_write_key(fptr, TDOUBLE, "EQUINOX", &header->equinox,
"Equinox of RA/Dec", &status);
fits_write_key(fptr, TDOUBLE, "EPOCH", &header->equinox,
"Alternate name for EQUINOX", &status);
fits_write_key(fptr, TDOUBLE, "OBSRA", &header->obsra,
"Antenna pointing RA", &status);
fits_write_key(fptr, TDOUBLE, "OBSDEC", &header->obsdec,
"Antenna pointing Dec", &status);
/* FITS coordinate parameters */
fits_write_key(fptr, TSTRING, "CTYPE2", "COMPLEX", "1=real, 2=imag, 3=weight", &status);
fits_write_key(fptr, TINT, "CRVAL2", &one, 0, &status);
fits_write_key(fptr, TINT, "CDELT2", &one, 0, &status);
fits_write_key(fptr, TINT, "CRPIX2", &one, 0, &status);
fits_write_key(fptr, TSTRING, "CTYPE3", "STOKES", "Correlator: -1=RR, -2=LL, -3=RL, -4=LR",&status);
fits_write_key(fptr, TINT, "CRVAL3", &header->stokes, 0, &status);
fits_write_key(fptr, TINT, "CDELT3", &header->delta_stokes, 0, &status);
fits_write_key(fptr, TINT, "CRPIX3", &one, 0, &status);
fits_write_key(fptr, TSTRING, "CTYPE4", "FREQ","Frequency, Hz", &status);
fits_write_key(fptr, TDOUBLE, "CRVAL4", &header->freq, 0, &status);
fits_write_key(fptr, TDOUBLE, "CDELT4", &header->bw, 0, &status);
fits_write_key(fptr, TINT, "CRPIX4", &one, 0, &status);
fits_write_key(fptr, TSTRING, "CTYPE5", "IF", "IF number",&status);
fits_write_key(fptr, TINT, "CRVAL5", &one, 0, &status);
fits_write_key(fptr, TINT, "CDELT5", &one, 0, &status);
fits_write_key(fptr, TINT, "CRPIX5", &one, 0, &status);
fits_write_key(fptr, TSTRING, "CTYPE6", "RA", "Right ascension, degrees", &status);
fits_write_key(fptr, TDOUBLE, "CRVAL6", &header->ra, 0, &status);
fits_write_key(fptr, TINT, "CDELT6", &zero, 0, &status);
fits_write_key(fptr, TINT, "CRPIX6", &one, 0, &status);
fits_write_key(fptr, TSTRING, "CTYPE7", "DEC", "Declination, degrees", &status);
fits_write_key(fptr, TDOUBLE, "CRVAL7", &header->dec, 0, &status);
fits_write_key(fptr, TINT, "CDELT7", &zero, 0, &status);
fits_write_key(fptr, TINT, "CRPIX7", &one, 0, &status);
/* FITS random parameters. */
fits_write_key(fptr, TSTRING, "PTYPE1", "UU", "baseline u projection, seconds", &status);
fits_write_key(fptr, TINT, "PSCAL1", &one, 0, &status);
fits_write_key(fptr, TINT, "PZERO1", &zero, 0, &status);
fits_write_key(fptr, TSTRING, "PTYPE2", "VV", "baseline v projection, seconds", &status);
fits_write_key(fptr, TINT, "PSCAL2", &one, 0, &status);
fits_write_key(fptr, TINT, "PZERO2", &zero, 0, &status);
fits_write_key(fptr, TSTRING, "PTYPE3", "WW", "baseline w projection, seconds", &status);
fits_write_key(fptr, TINT, "PSCAL3", &one, 0, &status);
fits_write_key(fptr, TINT, "PZERO3", &zero, 0, &status);
fits_write_key(fptr, TSTRING, "PTYPE4", "BASELINE", "256*ANT1 + ANT2", &status);
fits_write_key(fptr, TINT, "PSCAL4", &one, 0, &status);
fits_write_key(fptr, TINT, "PZERO4", &zero, 0, &status);
dfac1 = 1.0;
dref1 = refdat + 2400000.5; /* convert MJD to JD */
fits_write_key(fptr, TSTRING, "PTYPE5", "DATE", "UTC Julian Date part 1", &status);
fits_write_key(fptr, TDOUBLE, "PSCAL5", &dfac1, "Days", &status);
fits_write_key(fptr, TDOUBLE, "PZERO5", &dref1, 0, &status);
dfac2 = 1.0/86400.0;
dref2 = 0.0;
fits_write_key(fptr, TSTRING, "PTYPE6", "DATE", "UTC Julian Date part 2", &status);
fits_write_key(fptr, TDOUBLE, "PSCAL6", &dfac2, "Days/86400 (sec)", &status);
fits_write_key(fptr, TFLOAT, "PZERO6", &dref2, 0, &status);
if (pcount >= 7) {
fits_write_key(fptr, TSTRING, "PTYPE7", "INTTIM", "Integration time (sec)", &status);
fits_write_key(fptr, TINT, "PSCAL7", &one, 0, &status);
fits_write_key(fptr, TINT, "PZERO7", &zero, 0, &status);
}
sprintf(str, "%.12s (run by %.12s on %.12s)", origin,
getenv("USER"), getenv("HOST"));
fits_write_key(fptr, TSTRING, "ORIGIN", str," ", &status);
/* Date/time of file creation */
fits_write_date(fptr, &status);
fits_report_error(stderr, status);
return status;
}
void write_profiles(float *prof,int nbins, int nchan, int nifs, FILE *out)/*includefile*/
{
int i,j,c,b,k,m,year,month,day;
float *profile,scale,offset,rms,epoch;
double usec,tbin,tres,psec;
static int first=1;
struct EPN epn;
int sta=0;
short int sj;
float x,binned_freq[16384],binned_weight[16384],
binned_offset[16384],binned_scale[16384],binned_data[16384];
int bitpix=8, naxis=0, nrcvr, nrows, ncols, col;
static int subint_cnt;
char datestr[10],timestr[8];
char Cstr16[16], Estr16[16], Istr16[16];
char *ttype[20], *tform[20], *tunit[20];
long naxes[4];
int junk,rah,ram,ded,dem,subint_hdu,hh,mm;
float ss;
int last_scanhdr_hdu;
double ras,des,dx;
char rastr[80], destr[80], sra[80], sde[80];
char date_time[24];
char *pch[MAX_BLKS];
char site[MAX_BLKS][2];
short int nspan[MAX_BLKS];
short int ncoeff[MAX_BLKS];
double rfreq[MAX_BLKS];
double rmjd[MAX_BLKS];
double rphase[MAX_BLKS];
double lgfiterr[MAX_BLKS];
double f0[MAX_BLKS];
double coeff[MAX_BLKS][MAX_COEFF];
static double srcl, srcb;
/* For Pulsar History BINTABLE */
static char *PHtype[18] = {
"DATE_PRO","PROC_CMD","POL_TYPE","NPOL ","NBIN ","NBIN_PRD","TBIN ","CTR_FREQ",
"NCHAN ","CHAN_BW ","PAR_CORR","RM_CORR ","DEDISP ","DDS_MTHD","SC_MTHD ","CAL_MTHD",
"CAL_FILE","RFI_MTHD"
};
static char *PHform[18] = {
"24A ","80A ","8A ","1I ","1I ","1I ","1D ","1D ",
"1I ","1D ","1I ","1I ","1I ","32A ","32A ","32A ",
"32A ","32A "
};
static char *PHunit[18] = {
" "," "," "," "," "," ","s ","MHz ",
" ","MHz "," "," "," "," "," "," ",
" "," "
};
/* subtract baseline from outgoing profiles if requested */
if (userbase != 0.0) for (i=0;i<multiple*nbins*nifs*nchans;i++)
prof[i]-=userbase;
/* multiply outgoing profiles by Jansky calibration factor if supplied */
if (jyfactor != 0.0) for (i=0;i<multiple*nbins*nifs*nchans;i++)
prof[i]*=jyfactor;
/* sum first two polarizations together if requested */
if (totalpower && (nifs > 1)) {
for (i=0;i<multiple*nbins*nchans;i++)
prof[i]+=prof[i+multiple*nbins*nchans];
nifs=1;
}
if (binary) {
/* write out profiles in binary format */
folding_period=pfld0*1000.0;
tadd=tstart;
tstart=tstart+tsta/86400.0;
npuls=pulsecount;
fold_header();
tstart=tadd;
for (i=0; i<nifs; i++) {
for (c=0; c<nchan; c++) {
for (b=0; b<nbins; b++)
fwrite(&prof[i*nchan*nbins+c*nbins+b],sizeof(float),1,out);
}
}
} else if (stream) {
/* write out profiles as ASCII streams with START/STOP boundaries */
k=0;
for (i=0;i<nifs;i++) {
for (c=0;c<nchan;c++) {
fprintf(out,"#START %d %f %f\n",nbins,tsta,fch1+foff*(float)c);
for (m=0;m<multiple;m++) {
for (b=0;b<nbins;b++) {
fprintf(out,"%d %f\n",b+m*nbins,prof[i*nchan*nbins+c*nbins+b]);
}
}
fprintf(out,"#STOP\n");
}
}
} else if (asciipol) {
/* write profiles in format for Jim's polarization code */
for (b=0;b<nbins;b++)
for (i=0;i<nifs;i++)
for (c=0;c<nchan;c++)
fprintf(out,"%d %d %d %f\n",b,i,c,prof[i*nchan*nbins+c*nbins+b]);
} else if (ascii) {
fprintf(output,"# %.1f %.7f %.10f %ld %.3f %.3f %d %c %d %s\n",
floor(tstart),(tstart-floor(tstart))*86400.0+tsta,pfld0,pulsecount,fch1,refdm,nbins,tempo_site(telescope_id),1,source_name);
for (b=0;b<nbins;b++) {
fprintf(out,"%d",b+1);
for (i=0;i<nifs;i++) {
for (c=0;c<nchan;c++) fprintf(out," %f",prof[i*nchan*nbins+c*nbins+b]);
}
fprintf(out,"\n");
}
#ifdef PSRFITS
} else if (psrfits) {
if (first) {
first=0;
/* write profile in PSRFITS format */
fits_create_file(&fits, "stdout", &sta);
fits_create_img(fits,bitpix,naxis,naxes,&sta);
fits_write_date(fits,&sta);
/* Get DateTime string - required in various BINTABLEs */
fits_get_system_time(date_time,&junk,&sta);
fits_update_key(fits,TSTRING,"HDRVER","1.19","Header version",&sta);
fits_update_key(fits,TSTRING,"OBSERVER",culprits,
"Observer name(s)",&sta);
fits_update_key(fits,TSTRING,"PROJID",project,"Project name",&sta);
fits_update_key(fits,TSTRING,"TELESCOP",telescope_name(telescope_id),
"Telescope name", &sta);
fits_update_key(fits,TSTRING,"BACKEND",backend_name(machine_id),
"Backend ID",&sta);
if (nifs>1)
nrcvr=2;
else
nrcvr=1;
fits_update_key(fits,TINT,"NRCVR",&nrcvr,
"Number of receiver channels (I)",&sta);
fits_update_key(fits,TSTRING,"OBS_MODE", "PSR",
"(PSR, CAL, SEARCH)", &sta);
fits_update_key(fits,TSTRING,"SRC_NAME", source_name,
"Source or scan ID", &sta);
fits_update_key(fits,TSTRING,"COORD_MD", "J2000",
"Coordinate mode (J2000, Gal, Ecliptic, etc.)", &sta);
angle_split(src_raj,&rah,&ram,&ras);
if (ras<10.0)
sprintf(sra,"0%.3f",ras);
else
sprintf(sra,"%.3f",ras);
sprintf(rastr,"%02d:%02d:%s",rah,ram,sra);
angle_split(src_dej,&ded,&dem,&des);
if (des<10.0)
sprintf(sde,"0%.3f",des);
else
sprintf(sde,"%.3f",des);
sprintf(destr,"%02d:%02d:%s",ded,dem,sde);
cel2gal(rah,ram,ras,ded,dem,des,&srcl,&srcb);
fits_update_key(fits, TSTRING, "STT_CRD1", rastr,
"Start coord 1 (hh:mm:ss.sss or ddd.ddd)", &sta);
fits_update_key(fits, TSTRING, "STT_CRD2", destr,
"Start coord 2 (-dd:mm:ss.sss or -dd.ddd)", &sta);
fits_update_key(fits, TSTRING, "TRK_MODE", "TRACK",
"Track mode (TRACK, SCANGC, SCANLAT)", &sta);
fits_update_key(fits, TSTRING, "STP_CRD1", rastr,
"Stop coord 1 (hh:mm:ss.sss or ddd.ddd)", &sta);
fits_update_key(fits, TSTRING, "STP_CRD2", destr,
"Stop coord 2 (-dd:mm:ss.sss or -dd.ddd)", &sta);
fits_update_key(fits, TSTRING, "CAL_MODE", "OFF",
"Cal mode (OFF, SYNC, EXT1, EXT2)", &sta);
fits_create_tbl(fits,BINARY_TBL,0,18,PHtype,
PHform,PHunit,"HISTORY",&sta);
pch[0] = date_time;
fits_write_col(fits, TSTRING, 1, 1, 1, 1, pch, &sta);
pch[0] = "SIGPROC";
fits_write_col(fits, TSTRING, 2, 1, 1, 1, pch, &sta);
pch[0] = "??";
fits_write_col(fits, TSTRING, 3, 1, 1, 1, pch, &sta);
/* Nr of pols - i.e. actually written out */
sj = nifs;
fits_write_col(fits, TSHORT, 4, 1, 1, 1, &sj, &sta );
/* Nr of bins per product (0 for SEARCH mode) */
sj = nbins;
fits_write_col( fits, TSHORT, 5, 1, 1, 1, &sj, &sta );
/* Nr of bins per period */
fits_write_col( fits, TSHORT, 6, 1, 1, 1, &sj, &sta );
/* Bin time */
dx = folding_period/sj;
fits_write_col( fits, TDOUBLE, 7, 1, 1, 1, &dx, &sta );
/* Centre freq. */
dx = ((double)(nchans/2)-1.0)*foff+fch1;
fits_write_col( fits, TDOUBLE, 8, 1, 1, 1, &dx, &sta );
/* Number of channels */
sj = nchans;
fits_write_col( fits, TSHORT, 9, 1, 1, 1, &sj, &sta );
/* Channel bandwidth */
dx = foff;
fits_write_col( fits, TDOUBLE, 10, 1, 1, 1, &dx, &sta );
/* Create frequency array for later */
/* Get freq. of first channel */
if ((fch1==0.0) && (foff==0.0)) {
for (i=0; i<nchans; i++) binned_freq[i]=(float) frequency_table[i];
} else {
for (i=0; i<nchans; i++)
binned_freq[i]=fch1+i*foff;
}
for (i=0; i<16384; i++) {
binned_scale[i]=1.0;
binned_offset[i]=0.0;
binned_weight[i]=1.0;
}
sj = 0;
/* Parallactic angle correction applied */
fits_write_col( fits, TSHORT, 11, 1, 1, 1, &sj, &sta );
/* RM correction applied */
fits_write_col( fits, TSHORT, 12, 1, 1, 1, &sj, &sta );
/* Data dedispersed */
fits_write_col( fits, TSHORT, 13, 1, 1, 1, &sj, &sta );
/* Dedispersion method */
pch[0] = "NONE";
fits_write_col( fits, TSTRING, 14, 1, 1, 1, pch, &sta );
/* Scattered power correction method */
pch[0] = "NONE";
fits_write_col( fits, TSTRING, 15, 1, 1, 1, pch, &sta );
/* Calibration method */
pch[0] = "NONE";
fits_write_col( fits, TSTRING, 16, 1, 1, 1, pch, &sta );
/* Name of calibration file */
pch[0] = "NONE";
fits_write_col( fits, TSTRING, 17, 1, 1, 1, pch, &sta );
/* RFI excision method */
pch[0] = "NONE";
fits_write_col( fits, TSTRING, 18, 1, 1, 1, pch, &sta );
/* Store last header hdu number */
fits_get_hdu_num( fits, &last_scanhdr_hdu );
subint_cnt=1;
/* Add START TIME to primary HDU */
/* Move to primary HDU */
fits_movabs_hdu( fits, 1, NULL, &sta );
cal(tstart,&epn.year,&epn.month,&epn.day);
sprintf(datestr,"%4d-%02d-%02d",epn.year,epn.month,epn.day);
fits_update_key( fits, TSTRING, "STT_DATE", datestr,
"Start UT date (YYYY-MM-DD)", &sta);
uttime(tstart,&hh,&mm,&ss);
sprintf(timestr,"%02d:%02d:%02d",hh,mm,ss);
fits_update_key( fits, TSTRING, "STT_TIME", timestr,
"Start UT (hh:mm:ss)", &sta);
dx=86400*(tstart-floor(tstart));
fits_update_key( fits, TINT, "STT_SMJD", &dx,
"[s] Start time (sec past UTC 00h) (J)", &sta);
/* Move to last created HDU in scan header */
fits_movabs_hdu( fits, last_scanhdr_hdu, NULL, &sta );
/* Create SUBINT BINTABLE */
ttype[0] = "ISUBINT ";/* Subint number. If NAXIS=-1, 0 indicates EOD. */
tform[0] = "1J ";
tunit[0] = "";
ttype[1] = "INDEXVAL"; /* Optionally used if INT_TYPE != TIME */
tform[1] = "1D ";
tunit[1] = "";
ttype[2] = "TSUBINT "; /* [s] Length of subintegration */
tform[2] = "1D ";
tunit[2] = "";
ttype[3] = "OFFS_SUB"; /* [s] Offset from Start UTC of subint centre */
tform[3] = "1D ";
tunit[3] = "";
ttype[4] = "LST_SUB "; /* [s] LST at subint centre */
tform[4] = "1D ";
tunit[4] = "";
ttype[5] = "RA_SUB "; /* [turns] RA (J2000) at subint centre */
tform[5] = "1D ";
tunit[5] = "";
ttype[6] = "DEC_SUB "; /* [turns] Dec (J2000) at subint centre */
tform[6] = "1D ";
tunit[6] = "";
ttype[7] = "GLON_SUB"; /* [deg] Gal longitude at subint centre */
tform[7] = "1D ";
tunit[7] = "";
ttype[8] = "GLAT_SUB"; /* [deg] Gal latitude at subint centre */
tform[8] = "1D ";
tunit[8] = "";
ttype[9] = "FD_ANG "; /* [deg] Feed angle at subint centre */
tform[9] = "1E ";
tunit[9] = "";
ttype[10] = "POS_ANG ";/*[deg] Position angle of feed at subint centre */
tform[10] = "1E ";
tunit[10] = "";
ttype[11] = "PAR_ANG "; /* [deg] Parallactic angle at subint centre */
tform[11] = "1E ";
tunit[11] = "";
ttype[12] = "TEL_AZ "; /* [deg] Telescope azimuth at subint centre */
tform[12] = "1E ";
tunit[12] = "";
ttype[13] = "TEL_ZEN ";/*[deg] Telescope zenith angle at subint centre */
tform[13] = "1E ";
tunit[13] = "";
sprintf( Cstr16, "%dE", nchans );
ttype[14] = "DAT_FREQ";
tform[14] = Cstr16;
tunit[14] = "";
ttype[15] = "DAT_WTS ";
tform[15] = Cstr16;
tunit[15] = "";
sprintf( Estr16, "%dE", nifs*nchans );
ttype[16] = "DAT_OFFS";
tform[16] = Estr16;
tunit[16] = "";
ttype[17] = "DAT_SCL ";
tform[17] = Estr16;
tunit[17] = "";
sprintf( Istr16, "%dE", nifs*nchans*nbins );
ttype[18] = "DATA ";
tform[18] = Istr16;
tunit[18] = "Jy ";
nrows = 0; /* naxis2 - Let CFITSIO sort this out */
ncols = 19; /* tfields */
fits_create_tbl( fits, BINARY_TBL, nrows, ncols,
ttype, tform, tunit, "SUBINT ", &sta);
/* Add dimensions of column 'ncols' = SUBINT Data */
naxes[0] = nbins;
naxes[1] = nchans;
naxes[2] = nifs;
fits_write_tdim( fits, ncols, 3, naxes, &sta );
/* Add keywords */
fits_update_key( fits, TSTRING, "INT_TYPE", "TIME",
"Time axis (TIME, BINPHSPERI, BINLNGASC, etc)", &sta);
fits_update_key( fits, TSTRING, "INT_UNIT", "SEC",
"Unit of time axis (SEC, PHS (0-1), DEG)", &sta);
fits_update_key( fits, TINT, "NCH_FILE", &nchans,
"Number of channels/sub-bands in this file (I)", &sta);
j = 0;
fits_update_key( fits, TINT, "NCH_STRT", &j,
"Start channel/sub-band number (0 to NCHAN-1) (I)", &sta);
/* Store subint hdu number */
fits_get_hdu_num( fits, &subint_hdu );
}
/* Write SUBINT BINTABLE columns */
/* Fill in columns of table */
col = 1;
/* Subint number. If NAXIS=-1, 0 indicates EOD. */
j=subint_cnt;
fits_write_col( fits, TINT, col, subint_cnt, 1, 1, &j, &sta );
col++;
/* INDEXVAL - Optionally used if INT_TYPE != TIME */
dx = 0.0;
fits_write_col( fits, TDOUBLE, col, subint_cnt, 1, 1, &dx, &sta );
col++;
/* [s] Length of subint */
fits_write_col( fits, TDOUBLE, col, subint_cnt, 1, 1, &dump_time, &sta );
col++;
/* [s] Offset from Start UTC of subint centre */
dx = 0.0;
fits_write_col( fits, TDOUBLE, col, subint_cnt, 1, 1, &dx, &sta );
col++;
/* [s] LST at subint centre */
dx=0.0;
fits_write_col( fits, TDOUBLE, col, subint_cnt, 1, 1, &dx, &sta );
col++;
/* [turns] RA (J2000) at subint centre */
dx=src_raj/360.0;
fits_write_col( fits, TDOUBLE, col, subint_cnt, 1, 1, &dx, &sta );
col++;
/* [turns] Dec (J2000) at subint centre */
dx=src_dej/360.0;
fits_write_col( fits, TDOUBLE, col, subint_cnt, 1, 1, &dx, &sta );
col++;
/* [deg] Gal longitude at subint centre */
dx=srcl;
fits_write_col( fits, TDOUBLE, col, subint_cnt, 1, 1, &dx, &sta );
col++;
/* [deg] Gal latitude at subint centre */
dx=srcb;
fits_write_col( fits, TDOUBLE, col, subint_cnt, 1, 1, &dx, &sta );
col++;
/* [deg] Feed angle at subint centre */
x=0.0;
fits_write_col( fits, TFLOAT, col, subint_cnt, 1, 1, &x, &sta );
col++;
/* [deg] Parallactic angle at subint centre */
/* [deg] Position angle of feed at subint centre */
fits_write_col( fits, TFLOAT, col, subint_cnt, 1, 1, &x, &sta );
col++;
/* [deg] Parallactic angle at subint centre */
fits_write_col( fits, TFLOAT, col, subint_cnt, 1, 1, &x, &sta );
col++;
/* [deg] Telescope azimuth at subint centre */
x=(float) az_start;
fits_write_col( fits, TFLOAT, col, subint_cnt, 1, 1, &x, &sta );
col++;
/* [deg] Telescope zenith angle at subint centre */
x=(float) za_start;
fits_write_col( fits, TFLOAT, col, subint_cnt, 1, 1, &x, &sta );
col++;
/* Centre freq. for each channel - NCHAN floats */
fits_write_col( fits, TFLOAT, col, subint_cnt, 1,nchans,binned_freq,&sta );
col++;
/* Weights for each channel - NCHAN floats */
fits_write_col( fits, TFLOAT, col, subint_cnt, 1, nchans,
binned_weight, &sta );
col++;
/* Data offset for each channel - NCHAN*NPOL floats */
fits_write_col( fits, TFLOAT, col, subint_cnt, 1, nchans*nifs,
binned_offset, &sta );
col++;
/* Data scale factor for each channel - NCHAN*NPOL floats */
fits_write_col( fits, TFLOAT, col, subint_cnt, 1, nchans*nifs,
binned_scale, &sta );
col++;
/* Subint data table - Dimensions of data table = (NBIN,NCHAN,NPOL) */
for (i=0;i<nchans*nifs*nbins;i++) binned_data[i]=prof[i];
fits_write_col(fits,TFLOAT,col, subint_cnt, 1, nbins*nchans*nifs,
binned_data, &sta );
subint_cnt++;
if (sta) fits_report_error(stderr,sta);
#endif
} else {
/* EPN format requested - set up some general EPN variables */
sprintf(epn.history,"%s %s fast-sampled data reduced using fold",
telescope_name(telescope_id),backend_name(machine_id));
while (strlen(epn.history)<65) strcat(epn.history," ");
strcpy(epn.jname,"");
strcpy(epn.cname,"");
epn.pbar=pfld0;
epn.dm=refdm;
epn.rm=0.0;
strcpy(epn.catref,"none");
strcpy(epn.bibref,"none");
epn.raj=0.0;
epn.dec=0.0;
strcpy(epn.telname,telescope_name(telescope_id));
epn.epoch=(float) floor(tstart);
epn.opos=0.0;
epn.paflag=' ';
epn.timflag='U';
epn.xtel=0.0;
epn.ytel=0.0;
epn.ztel=0.0;
cal((double)epn.epoch,&epn.year,&epn.month,&epn.day);
epn.scanno=0;
epn.subscan=0;
epn.npol=nifs;
epn.nfreq=nchan;
epn.nbins=nbins;
epn.tbin=1.0e6*pfld0/(double)nbins;
epn.nint=0;
epn.ncal=0;
epn.lcal=0;
epn.tres=epn.tbin;
epn.fluxflag='U';
epn.navg=1;
strcpy(epn.uf,"MHz ");
epn.df=1000.0*fabs(foff);
strcpy(epn.ud,"kHz ");
if (epn.df>=10000.0) {
epn.df/=1000.0;
strcpy(epn.ud,"MHz ");
}
epn.tstart=(tstart-floor(tstart))*86400.0+tsta;
epn.tstart*=1.0e6;
epn.iprofile=(unsigned long *) malloc(epn.nbins*sizeof(long));
profile = (float *) malloc(sizeof(float)*nbins);
for (i=0;i<nifs;i++) {
strcpy(epn.idfield,"I");
for (c=0;c<nchan;c++) {
for (b=0;b<nbins;b++) {
profile[b]=prof[i*nchan*nbins+c*nbins+b];
}
scale_prof(profile,nbins,epn.iprofile,&epn.scale,&epn.offset);
epn.f0=fch1+foff*c;
epn.nband=c+1;
epn.papp=pfld0;
epn.rms=0.0;
epn.tres=tbin=1.0e6*pfld0*window/(double)nbins;
if (c==0) write_epn_header(out,epn);
write_epn_subheader(out,epn);
}
}
fflush(out);
free(profile);
free(epn.iprofile);
}
}
