int proc_sta( Dbptr db, int nrec, Event *event )
{
double ts, te, et ;
double stime, endtime, calib;
double samprate;
int pos, retcode;
int nsamp, arid, npts;
float *buf=0;
char sta[8], key[64];
for( db.record = 0 ; db.record < nrec; db.record++) {
if( (dbgetv( db, 0,
"time", &stime,
"endtime", &endtime,
"calib", &calib,
"samprate", &samprate,
"arid", &arid,
"nsamp", &nsamp,
"sta", sta,
0 )) == dbINVALID )
elog_die( 0, "dbgetv faild for record #%d\n", db.record );
/*
fprintf( stderr, "%s: %lf %lf %d %lf \n", sta, stime, endtime, nsamp,event->otime );
*/
if( strncmp( event->sta, sta, strlen(sta) )) continue;
if( stime >= event->etime ) {
elog_complain( 0, "can't get data for %s %lf - %lf.\n",
sta, event->otime, event->etime);
return 0;
}
if( endtime <= event->stime ) continue;
if( arid != event->arid ) continue;
trgetwf(
db, 0, &buf, 0, event->otime, event->etime, &ts, &te, &npts, 0, 0) ;
if( npts <= 0 ) {
if(buf != 0) free(buf);
buf = 0;
continue;
}
/*
fprintf( stderr, "%lf %lf - %lf %lf %d \n",
event->otime, event->etime, ts, te, npts );
*/
if( buf == 0 ) {
elog_complain( 0, "can't get data for %s from %lf to %lf\n",
event->sta, event->otime, event->etime );
continue;
}
if( te <= event->otime ) continue;
if( ts > event->stime ) {
elog_complain( 0, "trace start time is more than SWA time. %lf > %lf\n",
ts, event->stime );
if(buf) {
free(buf);
buf = 0;
}
return 0;
} else {
if( ( pos = (int) ( event->stime - ts ) * samprate) >= npts ) {
elog_complain( 0,
"no data for %s from %lf to %lf.\n", sta, event->stime, event->etime );
if(buf) {
free(buf);
buf = 0;
}
continue;
}
if( !(retcode = domag( buf, ts, samprate, npts, pos, calib, event)) )
elog_complain( 0,
"can't calculate MS for %s. ( no data or too many FULL scale values).\n", sta);
if( buf != 0 && *buf != 0 ) free( buf );
return retcode;
}
}
}
Trace *
read_trace (Dbptr db, double tstart, double tend)
{
char fname[1024];
char dtype[8];
char segtype[8];
long foff, nsamp;
void *data;
Trace *trace;
double time, samprate;
double calib, calper;
double ts, te;
int size;
int i, ret;
if (dbextfile (db, "wfdisc", fname) < 1) {
fprintf (stderr, "read_trace: Unable to find input file '%s'\n",
fname);
return (NULL);
}
dbgetv (db, 0, "time", &time, "samprate", &samprate,
"nsamp", &nsamp, "datatype", dtype,
"segtype", segtype, "foff", &foff,
"calib", &calib, "calper", &calper, NULL);
data = NULL;
ret = trgetwf (db, NULL, (Trsample **) &data, 0, tstart, tend,
&ts, &te, &nsamp, 0, 0);
size = 4;
switch (ret) {
default:
case 0:
if (ret < 0) data = NULL;
if (ts == 0.0 && te == 0.0) data = NULL;
break;
case -9: /* no data */
clear_register (0);
data = NULL;
break;
case -1:
case -2:
case -3:
case -5:
case -6:
case -7:
case -8:
complain (0,
"read_trace: trgetwf() error.\n");
return (NULL);
}
if (data == (void *) -1) {
data = NULL;
}
if (data == (void *) -2) {
clear_register (0);
data = NULL;
}
trace = newtrace();
if (trace == NULL) {
fprintf (stderr, "read_trace: newtrace() error.\n");
my_free (data);
return (NULL);
}
trace->scv = NULL;
trace->tstart = ts;
trace->dt = 1.0/samprate;
trace->nsamps = nsamp;
trace->calib = calib;
trace->calper = calper;
strcpy (trace->rawdata_format, "t4");
strcpy (trace->rawdata_type, segtype);
strcpy (trace->input_units, "");
strcpy (trace->output_units, "");
trace->data = NULL;
trace->data_free = NULL;
trace->data_malloc = 0;
trace->raw_data = data;
trace->rawdata_free = data;
if (data) trace->rawdata_malloc = nsamp*size;
else trace->rawdata_malloc = 0;
trace->prev = NULL;
trace->next = NULL;
for (i=0; i<trace->nsamps; i++) if (((float *)data)[i] < 0.9e30) break;
if (i >= trace->nsamps) {
trace->nsamps = 0;
trace->raw_data = NULL;
trace->rawdata_free = NULL;
free (data);
} else {
if (data) {
trace = (Trace *) SCV_trace_fixgaps (trace, "segment");
}
}
return (trace);
}
