sff_rtracei__()

int sff_rtracei__	(	integer *	lu,
		real *	tanf,
		real *	dt,
		char *	wid2line,
		integer *	nsamp,
		real *	fdata,
		integer *	idata,
		char *	code,
		logical *	last,
		char *	cs,
		real *	c1,
		real *	c2,
		real *	c3,
		integer *	nstack,
		integer *	ierr,
		ftnlen	wid2line_len,
		ftnlen	code_len,
		ftnlen	cs_len
	)

Read one trace of data and return INFO line additionally.

Description from stuff.f:

c----------------------------------------------------------------------
      subroutine sff_RTraceI(lu, tanf, dt,
     &                   wid2line, nsamp, fdata, idata, code, last,
     &                   cs, c1, c2, c3, nstack, ierr)
c
c Read one data block starting with DAST line.
c Read also INFO line.
c The File will be closed after reading the last trace.
c 
c input
c   lu              logical file unit
c   nsamp           array dimension of idata and fdata
c ouput:
c   ierr            error status (ok: ierr=0)
c   code            code indicating optional blocks
c   wid2line        valid WID2 line
c   tanf            time of first sample from midnight
c   dt              sampling interval in seconds
c   nsamp           number of samples
c   fdata           data array
c   last            is true if read trace is the last one in this file
c   cs              coordinate system
c   c1, c2, c3      receiver coordinates
c   nstack          number of stacks
c
c workspace:
c   idata           data will be first read to idata and then converted
c                   to fdata using sff_i2f (both array may be in same memory
c                   space - see comments on sff_f2i)
c
      integer lu, nsamp, idata(nsamp), nstack
      real fdata(nsamp), c1, c2, c3, dt, tanf
      logical last
      character wid2line*132, cs*1, code*(*)
c----------------------------------------------------------------------

Definition at line 88 of file fapid_sff_rtracei.cc.

References fapidxx::IFileUnits::close(), FAPIDXX_fuassert, fapidxx::fillfstring(), fapidxx::istreammanager, and fapidxx::maketanf().

{
  int retval=0;
  *ierr=0;
  try {
    datrw::ianystream &is=istreammanager(static_cast<int>(*lu));
    sff::WID2 wid2;
    sff::INFO info;
    datrw::Tfseries iseries;
    is >> iseries;
    FAPIDXX_fuassert((static_cast<int>(iseries.size())<=(*nsamp)), *lu,
                     "sff_rtracei__: too many samples");
    int nsamples=iseries.size();
    aff::LinearShape shape(0, nsamples-1, 0);
    datrw::Tfseries series(shape, aff::SharedHeap<real>(fdata, *nsamp));
    series.copyin(iseries);
    *last = is.last() ? 1 : 0;
    is >> wid2;
    std::string ocode("");
    if (is.hasfree()) { ocode.append("F"); }
    if (is.hasinfo()) { ocode.append("I"); }
    if (!is.last()) { ocode.append("D"); }
    if (is.hasinfo()) { is >> info; }
    fillfstring(ocode, code, code_len);
    *tanf=static_cast<real>(maketanf(wid2.date));
    *dt=static_cast<real>(wid2.dt);
    fillfstring(wid2.line(), wid2line, wid2line_len);
    *nsamp=series.size();
    char thecs=sff::coosysID(info.cs);
    fillfstring(std::string(&thecs, 1), cs, cs_len);
    *c1=static_cast<real>(info.cx);
    *c2=static_cast<real>(info.cy);
    *c3=static_cast<real>(info.cz);
    *nstack=info.nstacks;
    if (is.last()) { istreammanager.close(static_cast<int>(*lu)); }
  }
  catch(...) {
    *ierr=1;
  }
  return retval;
} // int sff_rtracei__

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