/**
* \brief Provides an interface between code build from \ref lalinspiral_findchirp and
* various simulation packages for injecting chirps into data.
* \author Brown, D. A. and Creighton, T. D
*
* Injects the signals described
* in the linked list of \c SimInspiralTable structures \c events
* into the data \c chan. The response function \c resp should
* contain the response function to use when injecting the signals into the data.
*/
void
LALFindChirpInjectIMR (
LALStatus *status,
REAL4TimeSeries *chan,
SimInspiralTable *events,
SimRingdownTable *ringdownevents,
COMPLEX8FrequencySeries *resp,
INT4 injectSignalType
)
{
UINT4 k;
DetectorResponse detector;
SimInspiralTable *thisEvent = NULL;
SimRingdownTable *thisRingdownEvent = NULL;
PPNParamStruc ppnParams;
CoherentGW waveform, *wfm;
INT8 waveformStartTime;
REAL4TimeSeries signalvec;
COMPLEX8Vector *unity = NULL;
CHAR warnMsg[512];
#if 0
UINT4 n;
UINT4 i;
#endif
INITSTATUS(status);
ATTATCHSTATUSPTR( status );
ASSERT( chan, status,
FINDCHIRPH_ENULL, FINDCHIRPH_MSGENULL );
ASSERT( chan->data, status,
FINDCHIRPH_ENULL, FINDCHIRPH_MSGENULL );
ASSERT( chan->data->data, status,
FINDCHIRPH_ENULL, FINDCHIRPH_MSGENULL );
ASSERT( events, status,
FINDCHIRPH_ENULL, FINDCHIRPH_MSGENULL );
ASSERT( resp, status,
FINDCHIRPH_ENULL, FINDCHIRPH_MSGENULL );
ASSERT( resp->data, status,
FINDCHIRPH_ENULL, FINDCHIRPH_MSGENULL );
ASSERT( resp->data->data, status,
FINDCHIRPH_ENULL, FINDCHIRPH_MSGENULL );
/*
*
* set up structures and parameters needed
*
*/
/* fixed waveform injection parameters */
memset( &ppnParams, 0, sizeof(PPNParamStruc) );
ppnParams.deltaT = chan->deltaT;
ppnParams.lengthIn = 0;
ppnParams.ppn = NULL;
/*
*
* compute the transfer function from the given response function
*
*/
/* allocate memory and copy the parameters describing the freq series */
memset( &detector, 0, sizeof( DetectorResponse ) );
detector.transfer = (COMPLEX8FrequencySeries *)
LALCalloc( 1, sizeof(COMPLEX8FrequencySeries) );
if ( ! detector.transfer )
{
ABORT( status, FINDCHIRPH_EALOC, FINDCHIRPH_MSGEALOC );
}
memcpy( &(detector.transfer->epoch), &(resp->epoch),
sizeof(LIGOTimeGPS) );
detector.transfer->f0 = resp->f0;
detector.transfer->deltaF = resp->deltaF;
detector.site = (LALDetector *) LALMalloc( sizeof(LALDetector) );
/* set the detector site */
switch ( chan->name[0] )
{
case 'H':
*(detector.site) = lalCachedDetectors[LALDetectorIndexLHODIFF];
LALWarning( status, "computing waveform for Hanford." );
break;
case 'L':
*(detector.site) = lalCachedDetectors[LALDetectorIndexLLODIFF];
LALWarning( status, "computing waveform for Livingston." );
break;
case 'G':
*(detector.site) = lalCachedDetectors[LALDetectorIndexGEO600DIFF];
LALWarning( status, "computing waveform for GEO600." );
break;
case 'T':
*(detector.site) = lalCachedDetectors[LALDetectorIndexTAMA300DIFF];
LALWarning( status, "computing waveform for TAMA300." );
break;
case 'V':
*(detector.site) = lalCachedDetectors[LALDetectorIndexVIRGODIFF];
LALWarning( status, "computing waveform for Virgo." );
break;
default:
LALFree( detector.site );
detector.site = NULL;
LALWarning( status, "Unknown detector site, computing plus mode "
"waveform with no time delay" );
break;
}
/* set up units for the transfer function */
if (XLALUnitDivide( &(detector.transfer->sampleUnits),
&lalADCCountUnit, &lalStrainUnit ) == NULL) {
ABORTXLAL(status);
}
/* invert the response function to get the transfer function */
LALCCreateVector( status->statusPtr, &( detector.transfer->data ),
resp->data->length );
CHECKSTATUSPTR( status );
LALCCreateVector( status->statusPtr, &unity, resp->data->length );
CHECKSTATUSPTR( status );
for ( k = 0; k < resp->data->length; ++k )
{
unity->data[k] = 1.0;
}
LALCCVectorDivide( status->statusPtr, detector.transfer->data, unity,
resp->data );
CHECKSTATUSPTR( status );
LALCDestroyVector( status->statusPtr, &unity );
CHECKSTATUSPTR( status );
thisRingdownEvent = ringdownevents;
/*
*
* loop over the signals and inject them into the time series
*
*/
for ( thisEvent = events; thisEvent; thisEvent = thisEvent->next)
{
/*
*
* generate waveform and inject it into the data
*
*/
/* clear the waveform structure */
memset( &waveform, 0, sizeof(CoherentGW) );
LALGenerateInspiral(status->statusPtr, &waveform, thisEvent, &ppnParams);
CHECKSTATUSPTR( status );
/* add the ringdown */
wfm = XLALGenerateInspRing( &waveform, thisEvent, thisRingdownEvent,
injectSignalType );
if ( !wfm )
{
fprintf( stderr, "Failed to generate the waveform \n" );
if (xlalErrno == XLAL_EFAILED)
{
fprintf( stderr, "Too much merger\n");
XLALDestroyREAL4TimeSeries( chan );
xlalErrno = XLAL_SUCCESS;
return;
}
else exit ( 1 );
}
waveform = *wfm;
LALInfo( status, ppnParams.termDescription );
if ( thisEvent->geocent_end_time.gpsSeconds )
{
/* get the gps start time of the signal to inject */
waveformStartTime = XLALGPSToINT8NS( &(thisEvent->geocent_end_time) );
waveformStartTime -= (INT8) ( 1000000000.0 * ppnParams.tc );
}
else
{
LALInfo( status, "Waveform start time is zero: injecting waveform "
"into center of data segment" );
/* center the waveform in the data segment */
waveformStartTime = XLALGPSToINT8NS( &(chan->epoch) );
waveformStartTime += (INT8) ( 1000000000.0 *
((REAL8) (chan->data->length - ppnParams.length) / 2.0) * chan->deltaT
);
}
snprintf( warnMsg, sizeof(warnMsg)/sizeof(*warnMsg),
"Injected waveform timing:\n"
"thisEvent->geocent_end_time.gpsSeconds = %d\n"
"thisEvent->geocent_end_time.gpsNanoSeconds = %d\n"
"ppnParams.tc = %e\n"
"waveformStartTime = %" LAL_INT8_FORMAT "\n",
thisEvent->geocent_end_time.gpsSeconds,
thisEvent->geocent_end_time.gpsNanoSeconds,
ppnParams.tc,
waveformStartTime );
LALInfo( status, warnMsg );
/* clear the signal structure */
memset( &signalvec, 0, sizeof(REAL4TimeSeries) );
/* set the start times for injection */
XLALINT8NSToGPS( &(waveform.a->epoch), waveformStartTime );
memcpy( &(waveform.f->epoch), &(waveform.a->epoch),
sizeof(LIGOTimeGPS) );
memcpy( &(waveform.phi->epoch), &(waveform.a->epoch),
sizeof(LIGOTimeGPS) );
/* set the start time of the signal vector to the start time of the chan */
signalvec.epoch = chan->epoch;
/* set the parameters for the signal time series */
signalvec.deltaT = chan->deltaT;
if ( ( signalvec.f0 = chan->f0 ) != 0 )
{
ABORT( status, FINDCHIRPH_EHETR, FINDCHIRPH_MSGEHETR );
}
signalvec.sampleUnits = lalADCCountUnit;
/* simulate the detectors response to the inspiral */
LALSCreateVector( status->statusPtr, &(signalvec.data), chan->data->length );
CHECKSTATUSPTR( status );
LALSimulateCoherentGW( status->statusPtr,
&signalvec, &waveform, &detector );
CHECKSTATUSPTR( status );
/* *****************************************************************************/
#if 0
FILE *fp;
char fname[512];
UINT4 jj, kplus, kcross;
snprintf( fname, sizeof(fname) / sizeof(*fname),
"waveform-%d-%d-%s.txt",
thisEvent->geocent_end_time.gpsSeconds,
thisEvent->geocent_end_time.gpsNanoSeconds,
thisEvent->waveform );
fp = fopen( fname, "w" );
for( jj = 0, kplus = 0, kcross = 1; jj < waveform.phi->data->length;
++jj, kplus += 2, kcross +=2 )
{
fprintf(fp, "%d %e %e %le %e\n", jj,
waveform.a->data->data[kplus],
waveform.a->data->data[kcross],
waveform.phi->data->data[jj],
waveform.f->data->data[jj]);
}
fclose( fp );
#endif
/* ********************************************************************************/
#if 0
FILE *fp;
char fname[512];
UINT4 jj;
snprintf( fname, sizeof(fname) / sizeof(*fname),
"waveform-%d-%d-%s.txt",
thisEvent->geocent_end_time.gpsSeconds,
thisEvent->geocent_end_time.gpsNanoSeconds,
thisEvent->waveform );
fp = fopen( fname, "w" );
for( jj = 0; jj < signalvec.data->length; ++jj )
{
fprintf(fp, "%d %e %e \n", jj, signalvec.data->data[jj]);
}
fclose( fp );
#endif
/* ********************************************************************************/
/* inject the signal into the data channel */
LALSSInjectTimeSeries( status->statusPtr, chan, &signalvec );
CHECKSTATUSPTR( status );
/* allocate and go to next SimRingdownTable */
if( thisEvent->next )
thisRingdownEvent = thisRingdownEvent->next = (SimRingdownTable *)
calloc( 1, sizeof(SimRingdownTable) );
else
thisRingdownEvent->next = NULL;
/* destroy the signal */
LALSDestroyVector( status->statusPtr, &(signalvec.data) );
CHECKSTATUSPTR( status );
LALSDestroyVectorSequence( status->statusPtr, &(waveform.a->data) );
CHECKSTATUSPTR( status );
LALSDestroyVector( status->statusPtr, &(waveform.f->data) );
CHECKSTATUSPTR( status );
LALDDestroyVector( status->statusPtr, &(waveform.phi->data) );
CHECKSTATUSPTR( status );
if ( waveform.shift )
{
LALSDestroyVector( status->statusPtr, &(waveform.shift->data) );
CHECKSTATUSPTR( status );
}
LALFree( waveform.a );
LALFree( waveform.f );
LALFree( waveform.phi );
if ( waveform.shift )
{
LALFree( waveform.shift );
}
}
LALCDestroyVector( status->statusPtr, &( detector.transfer->data ) );
CHECKSTATUSPTR( status );
if ( detector.site ) LALFree( detector.site );
LALFree( detector.transfer );
DETATCHSTATUSPTR( status );
RETURN( status );
}
/** The main program.
*/
int main(int argc, char *argv[]) {
// variable declaration and initialization
static LALStatus mystatus;
CoherentGW thewaveform;
SimInspiralTable injParams;
PPNParamStruc ppnParams;
//const char *filename;
FILE *outputfile;
INT4 i, length;
REAL8 dt;
char PNString[50];
char filename[50];
if (argc != 16) {
printf(
" 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15\n");
printf(
"Correct parameter order: m1 m2 S1x S1y S1z S2x S2y S2z incl f_lower f_final distance dt PNorder SpinInter\n");
return (1);
}
sprintf(PNString, "SpinQuadTaylor%s%s", argv[14], argv[15]);
sprintf(filename, "%s%s.out", argv[14], argv[15]);
//filename = argv[15];
memset(&mystatus, 0, sizeof(LALStatus));
memset(&thewaveform, 0, sizeof(CoherentGW));
memset(&injParams, 0, sizeof(SimInspiralTable));
memset(&ppnParams, 0, sizeof(PPNParamStruc));
// setting the parameters
injParams.mass1 = atof(argv[1]);
injParams.mass2 = atof(argv[2]);
injParams.spin1x = atof(argv[3]);
injParams.spin1y = atof(argv[4]);
injParams.spin1z = atof(argv[5]);
injParams.spin2x = atof(argv[6]);
injParams.spin2y = atof(argv[7]);
injParams.spin2z = atof(argv[8]);
injParams.qmParameter1 = 1.;//atof(argv[9]);
injParams.qmParameter2 = 1.;//atof(argv[10]);
injParams.inclination = atof(argv[9]);
injParams.f_lower = atof(argv[10]);
injParams.f_final = atof(argv[11]);
injParams.distance = atof(argv[12]);
ppnParams.deltaT = atof(argv[13]);
injParams.polarization = 0;
LALSnprintf(injParams.waveform, LIGOMETA_WAVEFORM_MAX * sizeof(CHAR),
PNString);
//interface(&mystatus, &thewaveform, &injParams, &ppnParams);
LALGenerateInspiral(&mystatus, &thewaveform, &injParams, &ppnParams);
if (mystatus.statusCode) {
fprintf( stderr, "LALSQTPNWaveformTest: error generating waveform\n" );
return mystatus.statusCode;
}
// and finally save in a file
outputfile = fopen(filename, "w");
length = thewaveform.f->data->length;
dt = thewaveform.phi->deltaT;
REAL8 a1, a2, phi, shift;
for(i = 0; i < length; i++) {
a1 = thewaveform.a->data->data[2*i];
a2 = thewaveform.a->data->data[2*i+1];
phi = thewaveform.phi->data->data[i] - thewaveform.phi->data->data[0];
shift = thewaveform.shift->data->data[i];
fprintf(outputfile,"% 10.7e\t% 10.7e\t% 10.7e\n",
i*dt,
a1*cos(shift)*cos(phi) - a2*sin(shift)*sin(phi),
a1*sin(shift)*cos(phi) + a2*cos(shift)*sin(phi));
}
fclose(outputfile);
XLALSQTPNDestroyCoherentGW(&thewaveform);
puts("Done.");
LALCheckMemoryLeaks();
return mystatus.statusCode;
}
int main( int argc, char *argv[] )
{
LALStatus status = blank_status;
UINT4 k;
UINT4 kLow;
UINT4 kHi;
INT4 numPoints = 524288;
REAL4 fSampling = 2048.;
REAL4 fLow = 70.;
REAL4 fLowInj = 40.;
REAL8 deltaT = 1./fSampling;
REAL8 deltaF = fSampling / numPoints;
REAL4 statValue;
/* vars required to make freq series */
LIGOTimeGPS epoch = { 0, 0 };
LIGOTimeGPS gpsStartTime = {0, 0};
REAL8 f0 = 0.;
REAL8 offset = 0.;
INT8 waveformStartTime = 0;
/* files contain PSD info */
CHAR *injectionFile = NULL;
CHAR *outputFile = NULL;
CHAR *specFileH1 = NULL;
CHAR *specFileH2 = NULL;
CHAR *specFileL1 = NULL;
COMPLEX8Vector *unity = NULL;
const LALUnit strainPerCount = {0,{0,0,0,0,0,1,-1},{0,0,0,0,0,0,0}};
int numInjections = 0;
int numTriggers = 0;
/* template bank simulation variables */
INT4 injSimCount = 0;
SimInspiralTable *injectionHead = NULL;
SimInspiralTable *thisInjection = NULL;
SnglInspiralTable *snglHead = NULL;
SearchSummaryTable *searchSummHead = NULL;
/*SummValueTable *summValueHead = NULL; */
/* raw input data storage */
REAL8FrequencySeries *specH1 = NULL;
REAL8FrequencySeries *specH2 = NULL;
REAL8FrequencySeries *specL1 = NULL;
REAL8FrequencySeries *thisSpec = NULL;
COMPLEX8FrequencySeries *resp = NULL;
COMPLEX8FrequencySeries *detTransDummy = NULL;
REAL4TimeSeries *chan = NULL;
RealFFTPlan *pfwd = NULL;
COMPLEX8FrequencySeries *fftData = NULL;
REAL8 thisSnrsq = 0;
REAL8 thisSnr = 0;
REAL8 thisCombSnr = 0;
REAL8 snrVec[3];
REAL8 dynRange = 1./(3.0e-23);
/* needed for inj */
CoherentGW waveform;
PPNParamStruc ppnParams;
DetectorResponse detector;
InterferometerNumber ifoNumber = LAL_UNKNOWN_IFO;
/* output data */
LIGOLwXMLStream xmlStream;
MetadataTable proctable;
MetadataTable outputTable;
MetadataTable procparams;
CHAR fname[256];
CHAR comment[LIGOMETA_COMMENT_MAX];
ProcessParamsTable *this_proc_param = NULL;
CHAR chanfilename[FILENAME_MAX];
REAL4 sum = 0;
REAL4 bitten_H1 = 0;
REAL4 bitten_H2 = 0;
REAL4 thisCombSnr_H1H2 = 0;
/* create the process and process params tables */
proctable.processTable = (ProcessTable *) calloc( 1, sizeof(ProcessTable) );
XLALGPSTimeNow(&(proctable.processTable->start_time));
XLALPopulateProcessTable(proctable.processTable, PROGRAM_NAME, lalAppsVCSIdentId,
lalAppsVCSIdentStatus, lalAppsVCSIdentDate, 0);
this_proc_param = procparams.processParamsTable = (ProcessParamsTable *)
calloc( 1, sizeof(ProcessParamsTable) );
memset( comment, 0, LIGOMETA_COMMENT_MAX * sizeof(CHAR) );
/* look at input args, write process params where required */
while ( 1 )
{
/* getopt arguments */
static struct option long_options[] =
{
/* these options set a flag */
/* these options do not set a flag */
{"help", no_argument, 0, 'h'},
{"verbose", no_argument, &vrbflg, 1 },
{"version", no_argument, 0, 'V'},
{"spectrum-H1", required_argument, 0, 'a'},
{"spectrum-H2", required_argument, 0, 'b'},
{"spectrum-L1", required_argument, 0, 'c'},
{"inj-file", required_argument, 0, 'd'},
{"comment", required_argument, 0, 'e'},
{"output-file", required_argument, 0, 'f'},
{"coire-flag", no_argument, &coireflg, 1 },
{"ligo-srd", no_argument, &ligosrd, 1 },
{"write-chan", no_argument, &writechan, 1 },
{"inject-overhead", no_argument, &injoverhead, 1 },
{"f-lower", required_argument, 0, 'g'},
{0, 0, 0, 0}
};
int c;
/*
*
* parse command line arguments
*
*/
/* getopt_long stores long option here */
int option_index = 0;
size_t optarg_len;
c = getopt_long_only( argc, argv, "a:b:c:d:e:f:g:hV", long_options, &option_index );
/* detect the end of the options */
if ( c == - 1 )
{
break;
}
switch ( c )
{
case 0:
/* if this option set a flag, do nothing else now */
if ( long_options[option_index].flag != 0 )
{
break;
}
else
{
fprintf( stderr, "error parsing option %s with argument %s\n",
long_options[option_index].name, optarg );
exit( 1 );
}
break;
case 'h':
fprintf( stderr, USAGE );
exit( 0 );
break;
case 'a':
/* create storage for the spectrum file name */
optarg_len = strlen( optarg ) + 1;
specFileH1 = (CHAR *) calloc( optarg_len, sizeof(CHAR));
memcpy( specFileH1, optarg, optarg_len );
ADD_PROCESS_PARAM( "string", "%s", optarg );
break;
case 'b':
/* create storage for the spectrum file name */
optarg_len = strlen( optarg ) + 1;
specFileH2 = (CHAR *) calloc( optarg_len, sizeof(CHAR));
memcpy( specFileH2, optarg, optarg_len );
ADD_PROCESS_PARAM( "string", "%s", optarg );
break;
case 'c':
/* create storage for the spectrum file name */
optarg_len = strlen( optarg ) + 1;
specFileL1 = (CHAR *) calloc( optarg_len, sizeof(CHAR));
memcpy( specFileL1, optarg, optarg_len );
ADD_PROCESS_PARAM( "string", "%s", optarg );
break;
case 'd':
/* create storage for the injection file name */
optarg_len = strlen( optarg ) + 1;
injectionFile = (CHAR *) calloc( optarg_len, sizeof(CHAR));
memcpy( injectionFile, optarg, optarg_len );
ADD_PROCESS_PARAM( "string", "%s", optarg );
break;
case 'f':
/* create storage for the output file name */
optarg_len = strlen( optarg ) + 1;
outputFile = (CHAR *) calloc( optarg_len, sizeof(CHAR));
memcpy( outputFile, optarg, optarg_len );
ADD_PROCESS_PARAM( "string", "%s", optarg );
break;
case 'g':
fLow = (INT4) atof( optarg );
if ( fLow < 40 )
{
fprintf( stderr, "invalid argument to --%s:\n"
"f-lower must be > 40Hz (%e specified)\n",
long_options[option_index].name, fLow );
exit( 1 );
}
ADD_PROCESS_PARAM( "float", "%e", fLow );
break;
case 'e':
if ( strlen( optarg ) > LIGOMETA_COMMENT_MAX - 1 )
{
fprintf( stderr, "invalid argument to --%s:\n"
"comment must be less than %d characters\n",
long_options[option_index].name, LIGOMETA_COMMENT_MAX );
exit( 1 );
}
else
{
snprintf( comment, LIGOMETA_COMMENT_MAX, "%s", optarg);
}
break;
case 'V':
/* print version information and exit */
fprintf( stdout, "calculation of expected SNR of injections\n"
"Gareth Jones\n");
XLALOutputVersionString(stderr, 0);
exit( 0 );
break;
default:
fprintf( stderr, "unknown error while parsing options\n" );
fprintf( stderr, USAGE );
exit( 1 );
}
}
if ( optind < argc )
{
fprintf( stderr, "extraneous command line arguments:\n" );
while ( optind < argc )
{
fprintf ( stderr, "%s\n", argv[optind++] );
}
exit( 1 );
}
/* check the input arguments */
if ( injectionFile == NULL )
{
fprintf( stderr, "Must specify the --injection-file\n" );
exit( 1 );
}
if ( outputFile == NULL )
{
fprintf( stderr, "Must specify the --output-file\n" );
exit( 1 );
}
if ( !ligosrd && specFileH1 == NULL )
{
fprintf( stderr, "Must specify the --spectrum-H1\n" );
exit( 1 );
}
if ( !ligosrd && specFileH2 == NULL )
{
fprintf( stderr, "Must specify the --spectrum-H2\n" );
exit( 1 );
}
if ( !ligosrd && specFileL1 == NULL )
{
fprintf( stderr, "Must specify the --spectrum-L1\n" );
exit( 1 );
}
if ( ligosrd && (specFileH1 || specFileH2 || specFileL1 ))
{
fprintf( stdout, "WARNING: using LIGOI SRD power spectral density \n" );
}
if ( vrbflg ){
fprintf( stdout, "injection file is %s\n", injectionFile );
fprintf( stdout, "output file is %s\n", outputFile );
fprintf( stdout, "H1 spec file is %s\n", specFileH1 );
fprintf( stdout, "H2 spec file is %s\n", specFileH2 );
fprintf( stdout, "L1 spec file is %s\n", specFileL1 );
}
/* create vector for H1, H2 and L1 spectrums */
specH1 = XLALCreateREAL8FrequencySeries ( "",&epoch, f0, deltaF, &lalADCCountUnit, (numPoints / 2 + 1) );
specH2 = XLALCreateREAL8FrequencySeries ( "",&epoch, f0, deltaF, &lalADCCountUnit, (numPoints / 2 + 1) );
specL1 = XLALCreateREAL8FrequencySeries ( "",&epoch, f0, deltaF, &lalADCCountUnit, (numPoints / 2 + 1) );
if (!specH1 || !specH2 || !specL1){
XLALDestroyREAL8FrequencySeries ( specH1 );
XLALDestroyREAL8FrequencySeries ( specH2 );
XLALDestroyREAL8FrequencySeries ( specL1 );
XLALPrintError("failure allocating H1, H2 and L1 spectra");
exit(1);
}
if (!ligosrd){
/* read in H1 spectrum */
LAL_CALL( LALDReadFrequencySeries(&status, specH1, specFileH1), &status );
if ( vrbflg ){
fprintf( stdout, "read in H1 spec file\n" );
fflush( stdout );
}
/* read in H2 spectrum */
LAL_CALL( LALDReadFrequencySeries(&status, specH2, specFileH2), &status );
if ( vrbflg ){
fprintf( stdout, "read in H2 spec file\n" );
fflush( stdout );
}
/* read in L1 spectrum */
LAL_CALL( LALDReadFrequencySeries(&status, specL1, specFileL1), &status );
if ( vrbflg ){
fprintf( stdout, "read in L1 spec file\n" );
fflush( stdout );
}
}
chan = XLALCreateREAL4TimeSeries( "", &epoch, f0, deltaT,
&lalADCCountUnit, numPoints );
if ( !chan ){
XLALPrintError("failure allocating chan");
exit(1);
}
/*
*
* set up the response function
*
*/
resp = XLALCreateCOMPLEX8FrequencySeries( chan->name,
&chan->epoch, f0, deltaF, &strainPerCount, (numPoints / 2 + 1) );
if ( !resp ){
XLALPrintError("failure allocating response function");
exit(1);
}
/* create vector that will contain detector.transfer info, since this
* is constant I calculate it once outside of all the loops and pass it
* in to detector.transfer when required
*/
detTransDummy = XLALCreateCOMPLEX8FrequencySeries( chan->name, &chan->epoch,
f0, deltaF, &strainPerCount, (numPoints / 2 + 1) );
if ( !detTransDummy ){
XLALPrintError("failure allocating detector.transfer info");
exit(1);
}
/* invert the response function to get the transfer function */
unity = XLALCreateCOMPLEX8Vector( resp->data->length );
for ( k = 0; k < unity->length; ++k )
{
unity->data[k] = 1.0;
}
/* set response */
for ( k = 0; k < resp->data->length; ++k )
{
resp->data->data[k] = 1.0;
}
XLALCCVectorDivide( detTransDummy->data, unity, resp->data );
XLALDestroyCOMPLEX8Vector( unity );
/* read in injections from injection file */
/* set endtime to 0 so that we read in all events */
if ( vrbflg ) fprintf( stdout, "Reading sim_inspiral table of %s\n", injectionFile );
LAL_CALL(numInjections = SimInspiralTableFromLIGOLw( &injectionHead, injectionFile, 0, 0), &status);
if ( vrbflg ) fprintf( stdout, "Read %d injections from sim_inspiral table of %s\n",
numInjections, injectionFile );
if (coireflg){
if ( vrbflg ) fprintf( stdout, "Reading sngl_inspiral table of %s\n", injectionFile );
LAL_CALL(numTriggers = LALSnglInspiralTableFromLIGOLw(&snglHead, injectionFile, 0, -1), &status);
if ( vrbflg ) fprintf( stdout, "Read %d triggers from sngl_inspiral table of %s\n",
numTriggers, injectionFile );
if ( vrbflg ) {
fprintf( stdout, "Reading search_summary table of %s ...", injectionFile );
fflush( stdout );
}
searchSummHead = XLALSearchSummaryTableFromLIGOLw (injectionFile);
if ( vrbflg ) fprintf( stdout, " done\n");
}
/* make sure we start at head of linked list */
thisInjection = injectionHead;
/* setting fixed waveform injection parameters */
memset( &ppnParams, 0, sizeof(PPNParamStruc) );
ppnParams.deltaT = deltaT;
ppnParams.lengthIn = 0;
ppnParams.ppn = NULL;
/* loop over injections */
injSimCount = 0;
do
{
fprintf( stdout, "injection %d/%d\n", injSimCount+1, numInjections );
/* reset waveform structure */
memset( &waveform, 0, sizeof(CoherentGW) );
/* reset chan structure */
memset( chan->data->data, 0, chan->data->length * sizeof(REAL4) );
if (thisInjection->f_lower == 0){
fprintf( stdout, "WARNING: f_lower in sim_inpiral = 0, ");
fprintf( stdout, "changing this to %e\n ", fLowInj);
thisInjection->f_lower = fLowInj;
}
/* create the waveform, amp, freq phase etc */
LAL_CALL( LALGenerateInspiral(&status, &waveform, thisInjection, &ppnParams), &status);
if (vrbflg) fprintf( stdout, "ppnParams.tc %e\n ", ppnParams.tc);
statValue = 0.;
/* calc lower index for integration */
kLow = ceil(fLow / deltaF);
if ( vrbflg ) {
fprintf( stdout, "starting integration to find SNR at frequency %e ", fLow);
fprintf( stdout, "at index %d \n", kLow);
}
/* calc upper index for integration */
kHi = floor(fSampling / (2. * deltaF));
if ( vrbflg ) {
fprintf( stdout, "ending integration to find SNR at frequency %e ", fSampling / 2.);
fprintf( stdout, "at index %d \n", kHi);
}
/* loop over ifo */
for ( ifoNumber = 1; ifoNumber < 4; ifoNumber++ )
{
/* allocate memory and copy the parameters describing the freq series */
memset( &detector, 0, sizeof( DetectorResponse ) );
detector.site = (LALDetector *) LALMalloc( sizeof(LALDetector) );
if (injoverhead){
if ( vrbflg ) fprintf( stdout, "WARNING: perform overhead injections\n");
/* setting detector.site to NULL causes SimulateCoherentGW to
* perform overhead injections */
detector.site = NULL;
}
else {
/* if not overhead, set detector.site using ifonumber */
XLALReturnDetector( detector.site, ifoNumber );
}
switch ( ifoNumber )
{
case 1:
if ( vrbflg ) fprintf( stdout, "looking at H1 \n");
thisSpec = specH1;
break;
case 2:
if ( vrbflg ) fprintf( stdout, "looking at H2 \n");
thisSpec = specH2;
break;
case 3:
if ( vrbflg ) fprintf( stdout, "looking at L1 \n");
thisSpec = specL1;
break;
default:
fprintf( stderr, "Error: ifoNumber %d does not correspond to H1, H2 or L1: \n", ifoNumber );
exit( 1 );
}
/* get the gps start time of the signal to inject */
waveformStartTime = XLALGPSToINT8NS( &(thisInjection->geocent_end_time) );
waveformStartTime -= (INT8) ( 1000000000.0 * ppnParams.tc );
offset = (chan->data->length / 2.0) * chan->deltaT;
gpsStartTime.gpsSeconds = thisInjection->geocent_end_time.gpsSeconds - offset;
gpsStartTime.gpsNanoSeconds = thisInjection->geocent_end_time.gpsNanoSeconds;
chan->epoch = gpsStartTime;
if (vrbflg) fprintf(stdout, "offset start time of injection by %f seconds \n", offset );
/* is this okay? copying in detector transfer which so far only contains response info */
detector.transfer = detTransDummy;
XLALUnitInvert( &(detector.transfer->sampleUnits), &(resp->sampleUnits) );
/* set the start times for injection */
XLALINT8NSToGPS( &(waveform.a->epoch), waveformStartTime );
memcpy(&(waveform.f->epoch), &(waveform.a->epoch), sizeof(LIGOTimeGPS) );
memcpy(&(waveform.phi->epoch), &(waveform.a->epoch), sizeof(LIGOTimeGPS) );
/* perform the injection */
LAL_CALL( LALSimulateCoherentGW(&status, chan, &waveform, &detector ), &status);
if (writechan){
/* write out channel data */
if (vrbflg) fprintf(stdout, "writing channel data to file... \n" );
switch ( ifoNumber )
{
case 1:
snprintf( chanfilename, FILENAME_MAX, "chanTest_H1_inj%d.dat", injSimCount+1);
if (vrbflg) fprintf( stdout, "writing H1 channel time series out to %s\n", chanfilename );
LALSPrintTimeSeries(chan, chanfilename );
break;
case 2:
snprintf( chanfilename, FILENAME_MAX, "chanTest_H2_inj%d.dat", injSimCount+1);
if (vrbflg) fprintf( stdout, "writing H2 channel time series out to %s\n", chanfilename );
LALSPrintTimeSeries(chan, chanfilename );
break;
case 3:
snprintf( chanfilename, FILENAME_MAX, "chanTest_L1_inj%d.dat", injSimCount+1);
if (vrbflg) fprintf( stdout, "writing L1 channel time series out to %s\n", chanfilename );
LALSPrintTimeSeries(chan, chanfilename );
break;
default:
fprintf( stderr, "Error: ifoNumber %d does not correspond to H1, H2 or L1: \n", ifoNumber );
exit( 1 );
}
}
LAL_CALL( LALCreateForwardRealFFTPlan( &status, &pfwd, chan->data->length, 0), &status);
fftData = XLALCreateCOMPLEX8FrequencySeries( chan->name, &chan->epoch, f0, deltaF,
&lalDimensionlessUnit, (numPoints / 2 + 1) );
if ( !fftData ){
XLALPrintError("failure allocating fftData");
exit(1);
}
LAL_CALL( LALTimeFreqRealFFT( &status, fftData, chan, pfwd ), &status);
LAL_CALL( LALDestroyRealFFTPlan( &status, &pfwd ), &status);
pfwd = NULL;
/* compute the SNR */
thisSnrsq = 0;
/* avoid f=0 part of psd */
if (ligosrd){
if (vrbflg) fprintf( stdout, "using LIGOI PSD \n");
for ( k = kLow; k < kHi; k++ )
{
REAL8 freq;
REAL8 sim_psd_value;
freq = fftData->deltaF * k;
LALLIGOIPsd( NULL, &sim_psd_value, freq );
thisSnrsq += ((crealf(fftData->data->data[k]) * dynRange) *
(crealf(fftData->data->data[k]) * dynRange)) / sim_psd_value;
thisSnrsq += ((cimagf(fftData->data->data[k]) * dynRange) *
(cimagf(fftData->data->data[k]) * dynRange)) / sim_psd_value;
}
}
else {
if (vrbflg) fprintf( stdout, "using input spectra \n");
for ( k = kLow; k < kHi; k++ )
{
thisSnrsq += ((crealf(fftData->data->data[k]) * dynRange) *
(crealf(fftData->data->data[k]) * dynRange)) /
(thisSpec->data->data[k] * dynRange * dynRange);
thisSnrsq += ((cimagf(fftData->data->data[k]) * dynRange) *
(cimagf(fftData->data->data[k]) * dynRange)) /
(thisSpec->data->data[k] * dynRange * dynRange);
}
}
thisSnrsq *= 4*fftData->deltaF;
thisSnr = pow(thisSnrsq, 0.5);
/* Note indexing on snrVec, ifoNumber runs from 1..3 to get source correct,
* we must index snrVec 0..2
*/
snrVec[ifoNumber-1] = thisSnr;
XLALDestroyCOMPLEX8FrequencySeries(fftData);
if ( vrbflg ){
fprintf( stdout, "thisSnrsq %e\n", thisSnrsq );
fprintf( stdout, "snrVec %e\n", snrVec[ifoNumber-1] );
fflush( stdout );
}
/* sum thisSnrsq to eventually get combined snr*/
statValue += thisSnrsq;
/* free some memory */
if (detector.transfer) detector.transfer = NULL;
if ( detector.site ) {LALFree( detector.site); detector.site = NULL;}
}
/* end loop over ifo */
destroyCoherentGW( &waveform );
/* store inverse eff snrs in eff_dist columns */
thisInjection->eff_dist_h = 1./snrVec[0];
thisInjection->eff_dist_g = 1./snrVec[1];
thisInjection->eff_dist_l = 1./snrVec[2];
/* store inverse sum of squares snr in eff_dist_t */
thisCombSnr = pow(statValue, 0.5);
if ( vrbflg ) fprintf( stdout, "thisCombSnr %e\n", thisCombSnr);
thisInjection->eff_dist_t = 1./thisCombSnr;
/* calc inverse bittenL snr for H1H2 and store in eff_dist_v */
thisCombSnr_H1H2 = 0.;
sum = snrVec[0] * snrVec[0] + snrVec[1] * snrVec[1];
bitten_H1 = 3 * snrVec[0] -3;
bitten_H2 = 3 * snrVec[1] -3;
if (sum < bitten_H1){
thisCombSnr_H1H2 = sum;
}
else
{
thisCombSnr_H1H2 = bitten_H1;
}
if (bitten_H2 < thisCombSnr_H1H2){
thisCombSnr_H1H2 = bitten_H2;
}
thisInjection->eff_dist_v = 1./thisCombSnr_H1H2;
/* increment the bank sim sim_inspiral table if necessary */
if ( injectionHead )
{
thisInjection = thisInjection->next;
}
} while ( ++injSimCount < numInjections );
/* end loop over injections */
/* try opening, writing and closing an xml file */
/* open the output xml file */
memset( &xmlStream, 0, sizeof(LIGOLwXMLStream) );
snprintf( fname, sizeof(fname), "%s", outputFile);
LAL_CALL( LALOpenLIGOLwXMLFile ( &status, &xmlStream, fname), &status);
/* write out the process and process params tables */
if ( vrbflg ) fprintf( stdout, "process... " );
XLALGPSTimeNow(&(proctable.processTable->end_time));
LAL_CALL( LALBeginLIGOLwXMLTable( &status, &xmlStream, process_table ), &status );
LAL_CALL( LALWriteLIGOLwXMLTable( &status, &xmlStream, proctable, process_table ), &status );
LAL_CALL( LALEndLIGOLwXMLTable ( &status, &xmlStream ), &status );
free( proctable.processTable );
/* Just being pedantic here ... */
proctable.processTable = NULL;
/* free the unused process param entry */
this_proc_param = procparams.processParamsTable;
procparams.processParamsTable = procparams.processParamsTable->next;
free( this_proc_param );
this_proc_param = NULL;
/* write the process params table */
if ( vrbflg ) fprintf( stdout, "process_params... " );
LAL_CALL( LALBeginLIGOLwXMLTable( &status, &xmlStream, process_params_table ), &status );
LAL_CALL( LALWriteLIGOLwXMLTable( &status, &xmlStream, procparams, process_params_table ), &status );
LAL_CALL( LALEndLIGOLwXMLTable ( &status, &xmlStream ), &status );
/* write the search summary table */
if ( coireflg ){
if ( vrbflg ) fprintf( stdout, "search_summary... " );
outputTable.searchSummaryTable = searchSummHead;
LAL_CALL( LALBeginLIGOLwXMLTable( &status, &xmlStream, search_summary_table), &status);
LAL_CALL( LALWriteLIGOLwXMLTable( &status, &xmlStream, outputTable, search_summary_table), &status);
LAL_CALL( LALEndLIGOLwXMLTable ( &status, &xmlStream), &status);
}
/* write the sim inspiral table */
if ( vrbflg ) fprintf( stdout, "sim_inspiral... " );
outputTable.simInspiralTable = injectionHead;
LAL_CALL( LALBeginLIGOLwXMLTable( &status, &xmlStream, sim_inspiral_table), &status);
LAL_CALL( LALWriteLIGOLwXMLTable( &status, &xmlStream, outputTable, sim_inspiral_table), &status);
LAL_CALL( LALEndLIGOLwXMLTable ( &status, &xmlStream), &status);
/* write the sngl inspiral table */
if ( coireflg ){
if ( vrbflg ) fprintf( stdout, "sngl_inspiral... " );
outputTable.snglInspiralTable = snglHead;
LAL_CALL( LALBeginLIGOLwXMLTable( &status, &xmlStream, sngl_inspiral_table), &status);
LAL_CALL( LALWriteLIGOLwXMLTable( &status, &xmlStream, outputTable, sngl_inspiral_table), &status);
LAL_CALL( LALEndLIGOLwXMLTable ( &status, &xmlStream), &status);
}
/* close the xml file */
LAL_CALL( LALCloseLIGOLwXMLFile ( &status, &xmlStream), &status);
/* Freeing memory */
XLALDestroyREAL4TimeSeries(chan);
XLALDestroyCOMPLEX8FrequencySeries(resp);
XLALDestroyCOMPLEX8FrequencySeries(detTransDummy);
XLALDestroyREAL8FrequencySeries ( specH1 );
XLALDestroyREAL8FrequencySeries ( specH2 );
XLALDestroyREAL8FrequencySeries ( specL1 );
free( specFileH1 );
specFileH1 = NULL;
free( specFileH2 );
specFileH2 = NULL;
free( specFileL1 );
specFileL1 = NULL;
free( injectionFile );
injectionFile = NULL;
/* free the process params */
while( procparams.processParamsTable )
{
this_proc_param = procparams.processParamsTable;
procparams.processParamsTable = this_proc_param->next;
free( this_proc_param );
this_proc_param = NULL;
}
/* free the sim inspiral tables */
while ( injectionHead )
{
thisInjection = injectionHead;
injectionHead = injectionHead->next;
LALFree( thisInjection );
}
/*check for memory leaks */
LALCheckMemoryLeaks();
exit( 0 );
}
int main(int argc,char UNUSED **argv) {
static LALStatus mystatus;
CoherentGW thewaveform;
SimInspiralTable injParams;
PPNParamStruc ppnParams;
const char *filename = "wave1.dat";
FILE *outputfile;
INT4 i,length;
REAL8 dt;
REAL8 a1, a2, phi, shift, phi0;
memset( &mystatus, 0, sizeof(LALStatus) );
memset( &thewaveform, 0, sizeof(CoherentGW) );
memset( &injParams, 0, sizeof(SimInspiralTable) );
memset( &ppnParams, 0, sizeof(PPNParamStruc) );
/* --- first we fill the SimInspiral structure --- */
injParams.mass1 = 10.;
injParams.mass2 = 10.;
/* MV-20060224: I believe this is not used in the SpinTaylor code! */
injParams.f_final = 500.0;
injParams.f_lower = 40.;
snprintf(injParams.waveform,LIGOMETA_WAVEFORM_MAX*sizeof(CHAR),"SpinTaylortwoPN");
/* this is given in Mpc */
injParams.distance = 100.;
/* this should not be zero*/
injParams.theta0 = 0.01;
injParams.phi0 = 0.5;
injParams.inclination = 0.8;
injParams.polarization = 0.9;
injParams.spin1x = 0.1;
injParams.spin1y = 0.2;
injParams.spin1z = 0.3;
injParams.spin2x = 0.4;
injParams.spin2y = 0.5;
injParams.spin2z = 0.6;
ppnParams.deltaT = 1.0 / 4096.0;
fprintf(stderr, "Lower cut-off frequency used will be %fHz\n", injParams.f_lower);
if(argc > 1) newswitch=1;
/* --- now we can call the injection function --- */
LALGenerateInspiral( &mystatus, &thewaveform, &injParams, &ppnParams );
if ( mystatus.statusCode )
{
fprintf( stderr, "LALSTPNWaveformTest: error generating waveform %d\n", mystatus.statusCode );
exit( 1 );
}
/* --- and finally save in a file --- */
outputfile = fopen(filename,"w");
length = thewaveform.phi->data->length;
dt = thewaveform.phi->deltaT;
phi0 = thewaveform.phi->data->data[0];
for(i = 0; i < length; i++) {
a1 = thewaveform.a->data->data[2*i];
a2 = thewaveform.a->data->data[2*i+1];
phi = thewaveform.phi->data->data[i] - phi0;
shift = thewaveform.shift->data->data[i];
fprintf(outputfile,"%e\t%e\t%e\n",
i*dt,
a1*cos(shift)*cos(phi) - a2*sin(shift)*sin(phi),
a1*sin(shift)*cos(phi) + a2*cos(shift)*sin(phi));
}
fclose(outputfile);
fprintf(stderr,"waveform saved in wave1.dat\n" );
return 0;
}
