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/*! \file sigfit.cc
 * \brief fit signal by trial-signals
 * 
 * ----------------------------------------------------------------------------
 * 
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 * $Id: sigfit.cc,v 1.3 2004-01-30 16:20:23 tforb Exp $
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 * \author Thomas Forbriger
 * \date 28/01/2004
 * 
 * fit signal by trial-signals
 * 
 * Copyright (c) 2004 by Thomas Forbriger (BFO Schiltach) 
 * 
 * REVISIONS and CHANGES 
 *  - 28/01/2004   V1.0   Thomas Forbriger
 * 
 * ============================================================================
 */
#define SIGFIT_VERSION \
  "SIGFIT   V1.0   fit signal by trial-signals"
#define SIGFIT_CVSID \
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  "$Id: sigfit.cc,v 1.3 2004-01-30 16:20:23 tforb Exp $"
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#include <fstream>
#include <iostream>
#include <list>
#include <vector>
#include <tfxx/commandline.h>
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#include <tfxx/error.h>
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#include <sffxx.h>
#include <tsxx/bundles.h>

typedef std::list<std::string> Tnamelist;
typedef ts::TDsffbundle Tbundle;
typedef Tbundle::Tseries Tseries;
typedef std::vector<Tbundle> Tbundlevec;

using std::cout;
using std::cerr;
using std::endl;

// structure to store commandline options
struct Options {
  bool verbose;
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  double Tdate;
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}; // struct Options

int main(int iargc, char* argv[])
{

  // define usage information
  char usage_text[]=
  {
    SIGFIT_VERSION "\n"
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    "usage: sigfit [-v] [-Tdate v] signal trial [trial ...]" "\n"
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    "   or: sigfit --help|-h" "\n"
  };

  // define full help text
  char help_text[]=
  {
    SIGFIT_CVSID "\n"
    "\n"
    "-v           be verbose" "\n"
    "-Sramp       add a ramp to the set of trial signals" "\n"
    "-Sconst      add a constant to the set of trial signals" "\n"
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    "-Tdate v     tolerance for comparison of date of first sample" "\n"
    "             v give the tolerance in units of the sampling interval" "\n"
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    "\n"
    "signal       signal to by explained by a linear combination" "\n"
    "             of trial signals" "\n"
    "trial        any set of trial signals"
  };

  // define commandline options
  using namespace tfxx::cmdline;
  static Declare options[]= 
  {
    // 0: print help
    {"help",arg_no,"-"},
    // 1: verbose mode
    {"v",arg_no,"-"},
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    // 1: verbose mode
    {"Tdate",arg_yes,"0."},
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    {NULL}
  };

  // no arguments? print usage...
  if (iargc<2) 
  {
    cerr << usage_text << endl;
    exit(0);
  }

  // collect options from commandline
  Commandline cmdline(iargc, argv, options);

  // help requested? print full help text...
  if (cmdline.optset(0))
  {
    cerr << usage_text << endl;
    cerr << help_text << endl;
    exit(0);
  }

/*
  // dummy operation: print option settings
  for (int iopt=0; iopt<2; iopt++)
  {
    cout << "option: '" << options[iopt].opt_string << "'" << endl;
    if (cmdline.optset(iopt)) {  cout << "  option was set"; }
    else { cout << "option was not set"; }
    cout << endl;
    cout << "  argument (string): '" << cmdline.string_arg(iopt) << "'" << endl;
    cout << "     argument (int): '" << cmdline.int_arg(iopt) << "'" << endl;
    cout << "    argument (long): '" << cmdline.long_arg(iopt) << "'" << endl;
    cout << "   argument (float): '" << cmdline.float_arg(iopt) << "'" << endl;
    cout << "  argument (double): '" << cmdline.double_arg(iopt) << "'" << endl;
    cout << "    argument (bool): '";
    if (cmdline.bool_arg(iopt))
    { cout << "true"; } else { cout << "false"; }
    cout << "'" << endl;
  }
  while (cmdline.extra()) { cout << cmdline.next() << endl; }

  // dummy operation: print rest of command line
  while (cmdline.extra()) { cout << cmdline.next() << endl; }
*/

  // read options
  Options opt;
  opt.verbose=cmdline.optset(1);
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  opt.Tdate=cmdline.double_arg(2);
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  /*----------------------------------------------------------------------*/

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  // read file names
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  TFXX_assert(cmdline.extra(),"ERROR: missing signal file name!");
  std::string signalname=cmdline.next();

  TFXX_assert(cmdline.extra(),"ERROR: missing trial signal file name!");
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  Tnamelist namelist;
  while (cmdline.extra()) { namelist.push_back(cmdline.next()); }

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  // read signal file
  Tbundle signal;
  {
    if (opt.verbose)
    { cout << "read signal file \"" << signalname << "\"" << endl; }
    std::ifstream is(signalname.c_str());
    sff::FileHeader fileheader(is);
    if (opt.verbose)
    { cout << "  read trace" << endl; }
    sff::InputWaveform<Tseries> inputwaveform(is);
    sff::TraceHeader traceheader=inputwaveform.header();
    signal.header=traceheader.wid2();
    signal.series=inputwaveform.series();
    bool last=traceheader.last();
    std::string wid2line=signal.header.line();
    if (opt.verbose)
    { 
      cout << "  " << wid2line.substr(0,69) << endl; 
      if (!last)
      {
        cout << "there are more traces in that files" << endl 
          << "ignoring them..." << endl;
      }
    }
  }
  
  // read trial files
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  if (opt.verbose)
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  { cout << namelist.size() << " trial data files to read" << endl; }
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  Tbundlevec bundlevec;
  for (Tnamelist::const_iterator i=namelist.begin(); i!=namelist.end(); i++)
  {
    if (opt.verbose)
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    { cout << "read trial data file \"" << *i << "\"" << endl; }
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    std::ifstream is(i->c_str());
    sff::FileHeader fileheader(is);
    bool last=false;
    while(!last)
    {
      if (opt.verbose)
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      { cout << "  read trial signal #" << bundlevec.size()+1 << endl; }
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      sff::InputWaveform<Tseries> inputwaveform(is);
      sff::TraceHeader traceheader=inputwaveform.header();
      Tbundle bundle;
      bundle.header=traceheader.wid2();
      bundle.series=inputwaveform.series();
      bundlevec.push_back(bundle);
      last=traceheader.last();
      std::string wid2line=bundle.header.line();
      if (opt.verbose)
      { cout << "  " << wid2line.substr(0,69) << endl; }
    }
  }
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  /*----------------------------------------------------------------------*/

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  sff::WID2compare compare(sff::Fnsamples | sff::Fdt | sff::Fdate);
  compare.setdatetolerance(opt.Tdate);
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  if (opt.verbose) { cout << "checking consistency..." << endl; }
  for (Tbundlevec::const_iterator i=bundlevec.begin(); i!=bundlevec.end(); i++)
  {
    if (!compare (i->header,signal.header))
    {
      cerr << "ERROR: header signature mismatch:" << endl;
      cerr << "signal:" << endl;
      cerr << signal.header.line();
      cerr << "trial signal:" << endl;
      cerr << i->header.line();
      TFXX_abort("baling out...");
    }
  }
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}

/* ----- END OF sigfit.cc ----- */