// open an existing or new NDF file
static PyObject*
pyndf_open(NDF *self, PyObject *args)
{
const char *name;
const char *mode = "READ";
const char *stat = "OLD";
if(!PyArg_ParseTuple(args, "s|ss:pyndf_open", &name, &mode, &stat))
return NULL;
// check for allowed values of mode and stat
if(strcmp(mode,"READ") != 0 && strcmp(mode,"WRITE") != 0 && strcmp(mode,"UPDATE") != 0) {
PyErr_SetString( PyExc_ValueError, "Incorrect mode for ndf_open");
return NULL;
}
if(strcmp(stat,"OLD") != 0 && strcmp(stat,"NEW") != 0 && strcmp(stat,"UNKNOWN") != 0) {
PyErr_SetString( PyExc_ValueError, "Unknown status string for ndf_open" );
return NULL;
}
int indf, place;
int status = SAI__OK;
errBegin(&status);
indf = NDF__NOID;
place = NDF__NOPL;
ndfOpen( NULL, name, mode, stat, &indf, &place, &status);
if (raiseNDFException(&status)) return NULL;
return NDF_create_object( indf, place );
};
void smf_open_ndfname( const HDSLoc *loc, const char accmode[],
const char extname[], const char state[], const char dattype[],
const int ndims, const int lbnd[], const int ubnd[],
const char datalabel[], const char dataunits[],
const AstFrameSet* wcs,
smfData **ndfdata,
int *status) {
/* Local variables */
void *datarr[] = { NULL, NULL }; /* Pointers for data */
int dims[NDF__MXDIM]; /* Extent of each dimension */
smf_dtype dtype; /* Data type */
int flags = 0; /* Flags for creating smfDA, smfFile and
smfHead components in the output smfData */
int i;
int ndat; /* Number of elements mapped in the requested NDF */
char ndfaccmode[NDF__SZMMD+1];/* Access mode to use to open the file */
int ndimsmapped; /* Number of dimensions in mapped NDF */
int ndfid; /* NDF identifier */
AstFrameSet *ndfwcs = NULL; /* Copy of input FrameSet to write to NDF */
smfFile *newfile = NULL; /* New smfFile with details of requested NDF */
int place; /* Placeholder for NDF */
int updating = 0; /* True if the extension is being updated */
/* Initialize the output smfData to NULL pointer */
*ndfdata = NULL;
if ( *status != SAI__OK ) return;
/* Check to see if the HDS Locator is null and retrieve the NDF id */
if ( loc == NULL ) {
errRep( FUNC_NAME, "Given HDS locator is NULL", status );
return;
}
/* Start be assuming the requested access mode can be used for mapping
and file opening */
one_strlcpy( ndfaccmode, accmode, sizeof(ndfaccmode), status );
/* Note: write access clears the contents of the NDF */
if ( strncmp( accmode, "WRITE", 5 ) == 0 ) {
msgOutif(MSG__DEBUG," ", "Opening NDF with WRITE access: this will clear the current contents if the NDF exists.", status);
updating = 1;
/* We can have WRITE/ZERO or WRITE/BAD so we need to force WRITE
into the NDF open access mode */
one_strlcpy( ndfaccmode, "WRITE", sizeof(ndfaccmode), status );
} else if ( strncmp( accmode, "UPDATE", 6) == 0) {
updating = 1;
}
ndfOpen( loc, extname, ndfaccmode, state, &ndfid, &place, status );
if ( *status != SAI__OK ) {
errRep( FUNC_NAME,
"Call to ndfOpen failed: unable to obtain an NDF identifier",
status );
return;
}
/* No placeholder => NDF exists */
if ( place != NDF__NOPL ) {
/* Define properties of NDF */
ndfNew( dattype, ndims, lbnd, ubnd, &place, &ndfid, status );
if ( *status != SAI__OK ) {
errRep( FUNC_NAME, "Unable to create a new NDF", status );
return;
}
}
/* Convert the data type string to SMURF dtype */
dtype = smf_dtype_fromstring( dattype, status );
/* First step is to create an empty smfData with no extra components */
flags |= SMF__NOCREATE_DA;
flags |= SMF__NOCREATE_FTS;
flags |= SMF__NOCREATE_HEAD;
flags |= SMF__NOCREATE_FILE;
*ndfdata = smf_create_smfData( flags, status);
/* Set the requested data type */
(*ndfdata)->dtype = dtype;
/* OK, now map the data array */
ndfMap( ndfid, "DATA", dattype, accmode, &datarr[0], &ndat, status );
if ( *status != SAI__OK ) {
errRep( FUNC_NAME, "Unable to map data array: invalid NDF identifier?", status );
}
/* Retrieve dimensions of mapped array */
ndfDim( ndfid, NDF__MXDIM, dims, &ndimsmapped, status );
if ( *status != SAI__OK ) {
errRep( FUNC_NAME, "Problem identifying dimensions of requested NDF", status );
}
/* Consistency check */
if ( ndimsmapped != ndims ) {
if ( *status == SAI__OK ) {
*status = SAI__ERROR;
errRep( FUNC_NAME, "Number of dimensions in new NDF not equal to number of dimensions specified", status );
}
}
if (*status == SAI__OK) {
for (i=0; i<ndims; i++) {
((*ndfdata)->dims)[i] = dims[i];
((*ndfdata)->lbnd)[i] = lbnd[i];
}
}
/* Allow for label, units and WCS to be written */
if (updating) {
if (datalabel) ndfCput( datalabel, ndfid, "Label", status );
if (dataunits) ndfCput( dataunits, ndfid, "Unit", status );
if (wcs) {
/* Take a copy of the input WCS and modify if necessary that
before writing to the NDF */
ndfwcs = astCopy( wcs );
smf_set_moving( (AstFrame *) ndfwcs, NULL, status );
ndfPtwcs( ndfwcs, ndfid, status );
if (ndfwcs) ndfwcs = astAnnul( ndfwcs );
}
}
/* Create the smfFile */
newfile = smf_construct_smfFile( newfile, ndfid, 0, 0, NULL, status );
if ( *status != SAI__OK ) {
errRep( FUNC_NAME, "Unable to construct new smfFile", status );
}
/* And populate the new smfData */
*ndfdata = smf_construct_smfData( *ndfdata, newfile, NULL, NULL, NULL, dtype,
datarr, NULL, SMF__QFAM_NULL, NULL, 0, 1,
(*ndfdata)->dims, (*ndfdata)->lbnd, ndims,
0, 0, NULL, NULL, status );
}
void smf_flat_write( smf_flatmeth flatmeth, const char * flatname,
double refres, const smfData * bolval,
const smfData * powref, const smfData * bolref,
const smfData * polyfit, const Grp * prvgrp, int * status ) {
size_t colsize; /* number of columns */
double *dbuf = NULL; /* input double buffer for mean data */
double *dvar = NULL; /* input double buffer for variance of data */
char fitsrec[SC2STORE__MAXFITS*SZFITSCARD+1]; /* Store for FITS records */
int *ibuf = NULL; /* int buffer for mean data */
int indf = NDF__NOID; /* NDF identifier for output file */
size_t ncards; /* number of fits cards */
size_t numbols; /* number of bolometers */
double *outvar = NULL; /* buffer for variance of data */
int place = NDF__NOPL; /* Dummy placeholder for NDF */
size_t rowsize; /* number of rows */
JCMTState *state = NULL; /* State for this flatfield */
sc2ast_subarray_t subnum; /* subarray number */
AstFrameSet *result, *spacefset;
AstLutMap *heatmap;
AstFrame *heatfrm;
int *dksquid; /* pointer to dummy dark SQUID data */
size_t j; /* loop counter */
int jig_vert[1][2]; /* dummy jiggle vertices */
double jig_path[1][2]; /* dummy jiggle path */
size_t nframes = 0; /* Number of frames in bolval */
int npath = 0; /* size of jiggle path */
int nvert = 0; /* number of jiggle vertices */
char *xmlfile = NULL; /* dummy xmlfile name */
if (*status != SAI__OK) return;
if (!bolval->da) {
*status = SAI__ERROR;
errRep( "", "No flatfield solution provided for writing",
status );
return;
}
if (!bolval->da->heatval) {
*status = SAI__ERROR;
errRep( "", "Must provide heater values in DA struct to smf_flat_write"
" (possible programming error)", status );
return;
}
/* note that colsize is the number of rows and rowsize is the number of
columns */
colsize = (bolval->dims)[SC2STORE__ROW_INDEX];
rowsize = (bolval->dims)[SC2STORE__COL_INDEX];
numbols = colsize * rowsize;
nframes = (bolval->dims)[2];
/* Make sure we have a FLAT header that reflects this file
as the flatfield solution */
smf_fits_updateS( bolval->hdr, "FLAT", flatname, "Name of flat-field file",
status );
/* Create a FITS header for DA */
smf_fits_export2DA( bolval->hdr->fitshdr, &ncards, fitsrec, status );
/* Copy the data as integers so it can be written to data file. To
prevent overflow in the variance we store that as doubles */
ibuf = astMalloc( (numbols * nframes)*sizeof(*ibuf) );
outvar = astMalloc( (numbols * nframes)*sizeof(*outvar) );
dbuf = (bolval->pntr)[0];
dvar = (bolval->pntr)[1];
if (*status == SAI__OK) {
for (j = 0; j < (nframes * numbols); j++) {
/* These started off as integers so the mean value must fit in
an integer */
if ( dbuf[j] == VAL__BADD) {
ibuf[j] = VAL__BADI;
} else {
ibuf[j] = (int)dbuf[j];
}
/* Same data type so no need to convert bad values */
if (dvar) {
outvar[j] = dvar[j];
} else {
outvar[j] = VAL__BADD;
}
}
}
/* get subarray number */
smf_find_subarray( bolval->hdr, NULL, 0, &subnum, status );
/* Create dummy components for output file */
dksquid = astCalloc ( rowsize* nframes, sizeof(*dksquid) );
jig_vert[0][0] = 0;
jig_vert[0][1] = 0;
jig_path[0][0] = 0.0;
jig_path[0][1] = 0.0;
sc2store_setcompflag ( SC2STORE__NONE, status );
sc2store_wrtstream ( flatname, subnum, ncards,
fitsrec, colsize, rowsize, nframes,
(bolref->dims)[2], refres, 0, smf_flat_methstring( flatmeth, status ),
bolval->hdr->allState, NULL,
ibuf, dksquid, (bolref->pntr)[0], (powref->pntr)[0],
"FLATCAL", NULL, NULL, jig_vert,
nvert, jig_path, npath, xmlfile, status );
sc2store_free ( status );
/* To copy in the variance and modify fix up the WCS we need to reopen
the file */
ndfOpen( NULL, flatname, "UPDATE", "OLD", &indf, &place, status );
/* make sure that history is not written twice */
ndfHsmod( "SKIP", indf, status );
if (outvar) {
void *pntr[3];
int el;
ndfStype( "_DOUBLE", indf, "VARIANCE", status );
ndfMap( indf, "VARIANCE", "_DOUBLE", "WRITE", pntr, &el, status );
if (*status == SAI__OK) {
memcpy( pntr[0], outvar, sizeof(*outvar)*el );
}
}
/* For the WCS a time frame is less relevant than heater settings */
astBegin;
/* Create frame for focal plane coordinates */
sc2ast_createwcs( subnum, NULL, NULL, NULL, NO_FTS, &spacefset, status );
/* Copy it to make sure we do not mess with the cache */
result = astCopy( spacefset );
/* and switch to BOLO frame which is best for bolometer analysis */
{
int frnum = AST__NOFRAME;
kpg1Asffr( result, "BOLO", &frnum, status );
if (frnum != AST__NOFRAME) astSetI( result, "CURRENT", frnum );
}
/* Create a simple frame for heater settings */
heatfrm = astFrame( 1, "Domain=HEATER,Label(1)=Heater Setting" );
heatmap = astLutMap( nframes, bolval->da->heatval, 1.0, 1.0, " " );
/* Append the heater axis to the spatial frameset */
atlAddWcsAxis( result, (AstMapping *)heatmap, (AstFrame *) heatfrm,
NULL, NULL, status );
/* write it to the NDF */
ndfPtwcs( result, indf, status );
/* Write provenance information */
if (prvgrp) {
size_t size = grpGrpsz( prvgrp, status );
char prvname[ 2 * PAR__SZNAM + 1];
smf_get_taskname( NULL, prvname, status );
for (j=1; j<=size; j++) {
smf_accumulate_prov( NULL, prvgrp, j, indf, prvname, NULL, status );
}
}
/* Write the polynomial expansion into an extension */
if (polyfit) {
char fitfile[GRP__SZNAM+1];
int fndf = NDF__NOID;
place = NDF__NOPL;
one_strlcpy( fitfile, flatname, sizeof(fitfile), status );
one_strlcat( fitfile, ".MORE.SMURF.FLATFIT", sizeof(fitfile), status );
/* create the file */
smf_write_smfData( polyfit, NULL, fitfile, NULL, 0, NDF__NOID,
MSG__VERB, 0, status );
/* Same WCS as the main file */
ndfOpen( NULL, fitfile, "UPDATE", "OLD", &fndf, &place, status );
ndfPtwcs( result, fndf, status );
ndfAnnul( &fndf, status );
}
astEnd;
ndfAnnul( &indf, status);
if (ibuf) ibuf = astFree( ibuf );
if (outvar) outvar = astFree( outvar );
if (dksquid) dksquid = astFree( dksquid );
if (state) state = astFree( state );
}
void smurf_fts2_transcorr(int* status)
{
if( *status != SAI__OK ) { return; }
char filename[GRP__SZNAM+1]; /* Filename */
char *pname = NULL; /* Pointer to filename */
int bolCount = 0; /* Number of bolometers */
int bolIndex = 0; /* Bolometer index */
int count;
int dims[NDF__MXDIM];
int debug = 0; /* If not debug, include dry component */
int ftsExists = 0;
int index = 0;
int indf; /* NDF identifier for TAU file */
int KERNELLENGTH = 101;
int nbolX = 0; /* Width of the source subarray */
int nbolY = 0; /* Height of the source subarray */
int ndfTau;
int ndim;
int nPWV = 0;
int nWN = 0;
int N = 0; /* Sample count */
int i = 0; /* Index */
int j = 0; /* Index */
int k = 0; /* Index */
int place;
double AM = 0.0; /* Airmass at ZPD */
double DELTAPWV = 0.0;
double PWV0 = 0.0;
double PWV = 0.0; /* PWV at ZPD */
double wnFact = 0.0; /* Wave number factor */
double* inPntr = NULL; /* Pointer to the input data */
double* outPntr = NULL; /* Pointer to the output data */
double* wnScan = NULL;
double* wnTau = NULL;
double* TAtm = NULL;
double* TAtmNew = NULL;
double* GAUSSIANKERNEL = NULL;
double* PWVARR = NULL;
double* PWVNEW = NULL;
double* TAUNEW = NULL;
double* TAUWET = NULL;
double* TMPARR = NULL;
Grp* inGrp = NULL; /* Input group */
Grp* outGrp = NULL; /* Output group */
Grp* tauGrp = NULL; /* TAU WET group */
HDSLoc* loc = NULL; /* HDS location */
size_t fIndex = 0; /* File loop counter */
size_t inSize = 0; /* Size of the input group */
size_t outSize = 0; /* Size of the output group */
size_t tauSize = 0; /* Size of the tau group */
smfData* inData = NULL; /* Pointer to input data */
smfData* outData = NULL; /* Pointer to output data */
smfData* tauData = NULL; /* Pointer to tau dry data */
void* TAU[] = {NULL, NULL}; /* {dry, wet} */
const double SQRT2PI = 2.50662827463100050242;
const double SQRT2LN2 = 1.17741002251547469101;
// GET INPUT GROUP
kpg1Rgndf("IN", 0, 1, "", &inGrp, &inSize, status);
// GET OUTPUT GROUP
kpg1Wgndf("OUT", outGrp, inSize, inSize,
"Equal number of input and output files expected!",
&outGrp, &outSize, status);
// GET TAU GROUP
kpg1Gtgrp("TAU", &tauGrp, &tauSize, status);
parGet0l("DEBUG", &debug, status);
ndfBegin();
// ===========================================================================
// GET TAU INFORMATION
// ===========================================================================
int dryOK = 0;
int wetOK = 0;
pname = filename;
grpGet(tauGrp, 1, 1, &pname, sizeof(filename), status);
ndgNdfas(tauGrp, 1, "READ", &indf, status );
if (indf == NDF__NOID) {
*status = SAI__ERROR;
msgSetc("FILE", filename);
errRep("", FUNC_NAME ": Could not locate file ^FILE", status);
return;
}
ndfXstat(indf, "FTS2", &ftsExists, status);
if(*status == SAI__OK && ftsExists) {
ndfXloc(indf, "FTS2", "READ", &loc, status);
if(*status == SAI__OK && loc != NULL) {
// DRY COMPONENT
ndfOpen(loc, "DRY", "READ", "UNKNOWN", &ndfTau, &place, status);
if(*status == SAI__OK && ndfTau != NDF__NOID) {
ndfDim(ndfTau, NDF__MXDIM, dims, &ndim, status);
if(*status == SAI__OK && ndim == 1) {
ndfMap(ndfTau, "DATA", "_DOUBLE", "READ", &TAU[0], &count, status);
dryOK = 1;
}
}
// WET COMPONENT
ndfOpen(loc, "WET", "READ", "UNKNOWN", &ndfTau, &place, status);
if(*status == SAI__OK && ndfTau != NDF__NOID) {
ndfDim(ndfTau, NDF__MXDIM, dims, &ndim, status);
if(*status == SAI__OK && ndim == 2) {
ndfMap(ndfTau, "DATA", "_DOUBLE", "READ", &TAU[1], &count, status);
wetOK = 1;
}
}
}
}
if(loc) { datAnnul(&loc, status); }
if(!(dryOK && wetOK)) {
*status = SAI__ERROR;
errRep("", FUNC_NAME ": Unable to obtain TAU values!", status);
return;
}
smf_open_file(NULL, tauGrp, 1, "READ", 0, &tauData, status);
smf_fits_getD(tauData->hdr, "PWV0", &PWV0, status);
smf_fits_getD(tauData->hdr, "DELTAPWV", &DELTAPWV, status);
if(*status != SAI__OK) {
*status = SAI__ERROR;
errRep("", FUNC_NAME ": Unable to obtain PWV value(s)!", status);
return;
}
nWN = dims[0];
nPWV = dims[1];
PWVARR = astMalloc(nPWV * sizeof(*PWVARR));
for(i = 0; i < nPWV; i++) {
PWVARR[i] = PWV0 + i * DELTAPWV;
}
PWVNEW = astMalloc(1 * sizeof(*PWVNEW));
TAUNEW = astMalloc(1 * sizeof(*TAUNEW));
// ===========================================================================
// LOOP THROUGH EACH NDF FILE IN THE INPUT GROUP
// ===========================================================================
for(fIndex = 1; fIndex <= inSize; fIndex++) {
// OPEN INPUT FILE
smf_open_file(NULL, inGrp, fIndex, "READ", 0, &inData, status);
if(*status != SAI__OK) {
*status = SAI__ERROR;
errRep(FUNC_NAME, "Unable to open source file!", status);
break;
}
outData = smf_deepcopy_smfData(NULL, inData, 0, SMF__NOCREATE_DATA, 0, 0, status);
if(*status == SAI__OK) {
inPntr = inData->pntr[0];
nbolX = inData->dims[0];
nbolY = inData->dims[1];
N = inData->dims[2];
bolCount = nbolX * nbolY;
outData->dtype = SMF__DOUBLE;
outData->ndims = 3;
outData->dims[0] = inData->dims[0];
outData->dims[1] = inData->dims[1];
outData->dims[2] = inData->dims[2];
outData->lbnd[0] = outData->lbnd[0];
outData->lbnd[1] = outData->lbnd[1];
outData->lbnd[2] = outData->lbnd[2];
outData->pntr[0] = (double*) astMalloc( (N * bolCount)*sizeof(double) );
outPntr = outData->pntr[0];
// DETERMINE WAVENUMBER FACTOR FROM FITS
smf_fits_getD(inData->hdr, "WNFACT", &wnFact, status);
if(*status != SAI__OK) {
errRep(FUNC_NAME, "Unable to find wave number factor!", status);
smf_close_file( NULL,&inData, status);
break;
}
// TODO
// DETERMINE AIRMASS AT ZPD
// TODO
// DETERMINE PWV AT ZPD
PWVNEW[0] = PWV;
// GET TAU WET FOR CORRESPONDING PWV
TAUWET = astMalloc(nWN * sizeof(*TAUWET));
TMPARR = astMalloc(nWN * sizeof(*TMPARR));
for(k = 0; k < nWN; k++) {
for(j = 0; j < nPWV; j++) {
TMPARR[j] = *((double*) TAU[1] + j);
}
fts2_naturalcubicsplineinterpolator(PWVARR, TMPARR, nPWV, PWVNEW, TAUNEW, 1);
TAUWET[k] = TAUNEW[0];
}
astFree(TMPARR);
// COMPUTE ATMOSPHERIC TRANSMISSION
// TATM = EXP(-AIRMASS * (PWV * TAUWET + TAUDRY))
TAtm = astMalloc(nWN * sizeof(*TAtm));
if(!debug) {
for(i = 0; i < nWN; i++) {
TAtm[i] = exp(-AM * (PWV * TAUWET[i] + (*((double*) TAU[0] + i))));
}
} else {
for(i = 0; i < nWN; i++) {
TAtm[i] = exp(-AM * PWV * TAUWET[i]);
}
}
// SMOOTH ATMOSPHERIC TRANSMISSION VIA GAUSSIAN CONVOLUTION
// NEED TO TRIM FROM BOTH ENDS BY HALF OF (KERNELLENGTH - 1)
double OPDMAX = 1.0;
double FWHM = 1.0 / (2.0 * OPDMAX); // FWHM = 1 / (2 x OPDMAX)
double SDEV = 0.5 * FWHM / SQRT2LN2; // FWHM = 2 x SQRT(2ln2) x SDEV
double VAR = SDEV * SDEV;
double VAR2 = 2.0 * VAR;
double NORM = 1.0 / (SDEV * SQRT2PI);
double XMIN = -6 * SDEV;
double XMAX = 6 * SDEV;
double DX = (XMAX - XMIN) / (KERNELLENGTH - 1);
double X = XMIN;
for(i = 0; i < KERNELLENGTH; i++) {
X = XMIN + i * DX;
GAUSSIANKERNEL[i] = NORM * exp(-(X * X) / VAR2);
}
int M = nWN + KERNELLENGTH - 1;
TMPARR = astMalloc(M * sizeof(*TMPARR));
for(i = 0; i < nWN; i++) {
for(j = 0; j < KERNELLENGTH; j++) {
TMPARR[i + j] += (TAtm[i] * GAUSSIANKERNEL[j]);
}
}
int OFFSET = (KERNELLENGTH - 1) >> 1;
for(i = 0; i < nWN; i++) {
TAtm[i] = TMPARR[i + OFFSET];
}
astFree(TMPARR);
// INTERPOLATE ATMOSPHERIC TRANSMISSION ONTO SCAN RESOLUTION
wnTau = astMalloc(nWN * sizeof(*wnTau));
wnScan = astMalloc(N * sizeof(*wnScan));
TAtmNew = astMalloc(N * sizeof(*TAtmNew));
for(i = 0; i < N; i++) {
wnScan[i] = i * wnFact;
}
for(i = 0; i < nWN; i++) {
wnTau[i] = i;
}
fts2_naturalcubicsplineinterpolator(wnTau, TAtm, nWN, wnScan, TAtmNew, N);
// TSOURCE = TOBS / TATM
for(i = 0; i < nbolY; i++) {
for(j = 0; j < nbolX; j++) {
bolIndex = i + j * nbolY;
for(k = 0; k < N; k++) {
index = bolIndex + bolCount * k;
outPntr[index] = inPntr[index] / TAtmNew[k];
}
}
}
astFree(wnTau);
astFree(wnScan);
astFree(TAtm);
astFree(TAtmNew);
smf_write_smfData(NULL, outData, NULL, NULL, outGrp, fIndex, 0, MSG__VERB,
0, status);
smf_close_file( NULL,&outData, status);
smf_close_file( NULL,&inData, status);
} else {
int write_ndf( int argc, void *argv[]) {
/*
** Declare variables
*/
void *arr; /* Pointer to the data array */
int n_dims; /* The number of dimensions */
int *arr_bnds; /* The dimensions */
IDL_STRING *ndf_name; /* The name of the NDF to be created */
IDL_STRING *comp; /* The component name */
IDL_STRING *type; /* The HDS type of the NDF to be created */
int badset; /* Whether bad value is set */
void *bad_value; /* Pointer to the bad value */
int status; /* Starlink status */
int lbnd[5]={1L,1L,1L,1L,1L}; /* Lower bounds array */
int ndf; /* NDF identifier */
int place; /* NDF placeholder */
int npix; /* Number of pixels */
void *ptr[3]; /* Pointer to mapped NDF data Fortran style */
size_t nbytes; /* Number of bytes in NDF */
int bpix=1; /* Number of bits/pixel */
int idltype=1; /* Pixel type code */
int fstat; /* Final status (before errLoad) */
int errn=0; /* Error sequence number */
char param[ERR__SZPAR]; /* Error message parameter name */
int parlen; /* Length of error message parameter name */
char opstr[ERR__SZMSG]; /* Error message */
int oplen; /* Length of error message */
/*
** Start Error context
*/
status = SAI__OK;
errMark();
/*
** Check that the correct number of arguments were passed in
*/
if(argc != 8) {
/*
** Print an error message and return
*/
status = SAI__ERROR;
errRep( " ", "write_ndf: Incorrect number of arguments", &status );
} else {
/*
** Extract the arguments to comprehensible names
*/
arr = argv[0];
n_dims = *(int *)argv[1];
arr_bnds = (int *)argv[2];
ndf_name = (IDL_STRING *)argv[3];
comp = (IDL_STRING *)argv[4];
type = (IDL_STRING *)argv[5];
badset = *(int *)argv[6];
bad_value = (void *)argv[7];
/*
** Enable NDF calls
*/
ndfBegin();
if ( !strcmp( comp->s, "DATA" ) ) {
/*
** Create the NDF
*/
ndfOpen( NULL, ndf_name->s, "WRITE", "NEW", &ndf, &place, &status );
ndfNew( type->s, n_dims, lbnd, arr_bnds, &place, &ndf, &status );
} else {
if ( !strcmp( comp->s, "QUALITY") && strcmp(type->s, "_UBYTE")) {
status = SAI__ERROR;
errRep( " ", "write_ndf: Incorrect type for QUALITY", &status );
}
/*
** Open existing NDF
*/
ndfOpen( NULL, ndf_name->s, "UPDATE", "OLD", &ndf, &place, &status );
}
/*
** Check the number of pixels is same in given array and NDF for QUALITY
** and VARIANCE.
*/
if ( strcmp( comp->s, "DATA" ) ) {
ndfSize( ndf, &npix, &status );
if ( ( status == SAI__OK ) && ( npix != arr_bnds[n_dims+1] ) ) {
/*
** Array size and NDF size do not agree
*/
status = SAI__ERROR;
errRep( " ",
"write_ndf: Incorrect number elements supplied", &status );
}
}
/*
** Obtain mapped access to the array component of the NDF
*/
ndfMap( ndf, comp->s, type->s, "WRITE", ptr, &npix, &status );
/*
** Now copy the values from ARR into the mapped NDF
*/
if ( status == SAI__OK ) {
/*
** First check the returned pointer is good
*/
if ( ptr[0] == NULL ) {
/*
** Fortran to C pointer conversion failed
*/
status = SAI__ERROR;
errRep( " ",
"write_ndf: Fortran to C pointer conversion failed", &status );
} else {
/*
** then get the IDL type code and number of bytes per pixel
*/
if (!strcmp(type->s, "_REAL")) {
idltype = 4;
bpix = 4;
} else if (!strcmp(type->s, "_INTEGER")) {
idltype = 3;
bpix = 4;
} else if (!strcmp(type->s, "_WORD")) {
idltype = 2;
bpix = 2;
} else if (!strcmp(type->s, "_DOUBLE")) {
idltype = 5;
bpix = 8;
} else if (!strcmp(type->s, "_UBYTE")) {
idltype = 1;
bpix = 1;
} else {
status = SAI__ERROR;
msgSetc( "TYPE", type->s );
errRep( " ", "Illegal type ^TYPE", &status );
}
/*
** Now copy the data from the array to the NDF.
** If we need to check for bad values in the array, use copybadout.
** If any bad values are found copybadout will replace them with the
** appropriate PRIMDAT bad value. The NDF bad pixel flag is then set
** depending on whether copybadout detected any bad values.
** If we need not check for bad pixels just copy the whole lot;
*/
if ( status == SAI__OK ) {
if ( badset ) {
if ( !copybadout( ptr[0], arr, npix, idltype, bad_value ) )
ndfSbad( 0, ndf, comp->s, &status);
} else {
nbytes = bpix * npix;
memcpy( ptr[0], arr, nbytes );
}
}
}
}
/*
** Close NDF
*/
ndfEnd( &status );
}
/*
** Report any error messages
** Adding Starlink-style !! and ! prefix
*/
fstat = status;
while ( status != SAI__OK ) {
errLoad(
param, ERR__SZPAR, &parlen, opstr, ERR__SZMSG, &oplen, &status );
if ( status != SAI__OK )
printf( "%s %s\r\n", errn++?"! ":"!!", opstr );
}
errRlse();
/*
** That's it, return to the calling routine
*/
return( fstat == SAI__OK );
}
int read_ndf( int argc, void *argv[] ) {
/*
** Declare variables
*/
IDL_STRING *ndf_name; /* The name of the NDF to be read */
IDL_STRING *comp; /* The component name */
IDL_STRING *type; /* The HDS type of the component to be read */
void *arr; /* Pointer to the data array */
int badset; /* Whether bad value is set */
void *bad_value; /* Pointer to the bad value */
int status; /* Starlink status */
int ndf; /* NDF identifier */
int place; /* NDF placeholder */
int npix; /* Number of pixels */
void *ptr[3]; /* Pointer to mapped NDF data Fortran style */
size_t nbytes; /* Number of bytes in NDF */
int bpix=1; /* Number of bits/pixel */
int idltype=1; /* Pixel type code */
int bad; /* If bad pixels need handling */
int fstat; /* Final status (before errLoad) */
int errn=0; /* Error sequence number */
char param[ERR__SZPAR]; /* Error message parameter name */
int parlen; /* Length of error message parameter name */
char opstr[ERR__SZMSG]; /* Error message */
int oplen; /* Length of error message */
/*
** Start Error context
*/
status = SAI__OK;
errMark();
/*
** Check that the correct number of arguments were passed in
*/
if(argc != 6) {
/*
** Print an error message and return
*/
status = SAI__ERROR;
errRep( " ", "read_ndf: Incorrect number of arguments", &status );
} else {
/*
** Extract the arguments to comprehensible names
*/
ndf_name = (IDL_STRING *)argv[0];
comp = (IDL_STRING *)argv[1];
type = (IDL_STRING *)argv[2];
arr = argv[3];
badset = *(int *)argv[4];
bad_value = (void *)argv[5];
/*
** Enable NDF calls
*/
ndfBegin();
/* ptr[2]=malloc(256);*/
/*
** Open the NDF
*/
ndfOpen( NULL, ndf_name->s, "READ", "OLD", &ndf, &place, &status );
/*
** Obtain mapped access to the array component of the first NDF
*/
ndfMap( ndf, comp->s, type->s, "READ", ptr, &npix, &status );
/*
** Now copy the values from the mapped NDF into ARR
*/
if ( status == SAI__OK ) {
/*
** First check the returned pointer is good
*/
if ( ptr[0] == NULL ) {
/*
** Fortran to C pointer conversion failed
*/
status = SAI__ERROR;
errRep( " ",
"read_ndf: Fortran to C pointer conversion failed", &status );
} else {
/*
** then get the IDL type and number of bytes per pixel
*/
if (!strcmp(type->s, "_REAL")) {
idltype = 4;
bpix = 4;
} else if (!strcmp(type->s, "_INTEGER")) {
idltype = 3;
bpix = 4;
} else if (!strcmp(type->s, "_WORD")) {
idltype = 2;
bpix = 2;
} else if (!strcmp(type->s, "_DOUBLE")) {
idltype = 5;
bpix = 8;
} else if (!strcmp(type->s, "_UBYTE")) {
idltype = 1;
bpix = 1;
} else {
status = SAI__ERROR;
msgSetc( "TYPE", type->s );
errRep( " ", "Illegal type ^TYPE", &status );
}
/*
** If badset is false, we can just copy everything; otherwise see if
** bad pixels may be set and act accordingly. Set bad if we need to check
** for bad pixels.
*/
bad = 0;
if ( badset ) ndfBad( ndf, "DATA", 0, &bad, &status );
/*
** Now copy the data from the NDF to the array.
** If we need not check for bad pixels just copy the whole lot
*/
if ( status == SAI__OK ) {
if ( bad ) {
copybadin( arr, ptr[0], npix, idltype, bad_value );
} else {
nbytes = bpix * npix;
memcpy( arr, ptr[0], nbytes );
}
}
}
}
/*
** Close NDF
*/
ndfEnd( &status );
}
/*
** Report any error messages
** Adding Starlink-style !! and ! prefix
*/
fstat = status;
while ( status != SAI__OK ) {
errLoad(
param, ERR__SZPAR, &parlen, opstr, ERR__SZMSG, &oplen, &status );
if ( status != SAI__OK )
printf( "%s %s\r\n", errn++?"! ":"!!", opstr );
}
errRlse();
/*
** That's it, return to the calling routine
*/
return( fstat == SAI__OK );
}