bool GibbsTrackingFilter< ItkQBallImageType >::LoadParameters()
{
    m_AbortTracking = true;
    try
    {
        if( m_LoadParameterFile.length()==0 )
        {
            m_AbortTracking = false;
            return true;
        }

        MITK_INFO << "GibbsTrackingFilter: loading parameter file " << m_LoadParameterFile;

        TiXmlDocument doc( m_LoadParameterFile );
        doc.LoadFile();

        TiXmlHandle hDoc(&doc);
        TiXmlElement* pElem;
        TiXmlHandle hRoot(0);

        pElem = hDoc.FirstChildElement().Element();
        hRoot = TiXmlHandle(pElem);
        pElem = hRoot.FirstChildElement("parameter_set").Element();

        string iterations(pElem->Attribute("iterations"));
        m_Iterations = boost::lexical_cast<unsigned long>(iterations);

        string particleLength(pElem->Attribute("particle_length"));
        m_ParticleLength = boost::lexical_cast<float>(particleLength);

        string particleWidth(pElem->Attribute("particle_width"));
        m_ParticleWidth = boost::lexical_cast<float>(particleWidth);

        string partWeight(pElem->Attribute("particle_weight"));
        m_ParticleWeight = boost::lexical_cast<float>(partWeight);

        string startTemp(pElem->Attribute("temp_start"));
        m_StartTemperature = boost::lexical_cast<float>(startTemp);

        string endTemp(pElem->Attribute("temp_end"));
        m_EndTemperature = boost::lexical_cast<float>(endTemp);

        string inExBalance(pElem->Attribute("inexbalance"));
        m_InexBalance = boost::lexical_cast<float>(inExBalance);

        string fiberLength(pElem->Attribute("fiber_length"));
        m_MinFiberLength = boost::lexical_cast<float>(fiberLength);

        string curvThres(pElem->Attribute("curvature_threshold"));
        m_CurvatureThreshold = cos(boost::lexical_cast<float>(curvThres)*M_PI/180);
        m_AbortTracking = false;
        MITK_INFO << "GibbsTrackingFilter: parameter file loaded successfully";
        return true;
    }
    catch(...)
    {
        MITK_INFO << "GibbsTrackingFilter: could not load parameter file";
        return false;
    }
}
Exemple #2
0
void Wave::createAnimation()
{
    float /*origin_x, origin_y,*/ distance, height, ripple_interval = 1.3;

    fillCubeArray(0x00);
//    QVector<QVector<QVector<quint8> > > tripleVector(iterations(),QVector<QVector<quint8> >(8, QVector<quint8>(8)));

    for (quint16 i=0; i<iterations(); i++)
    {
        if(m_abort)
            return;
        for (quint8 x=0; x<8; x++)
        {
            for (quint8 y=0; y<8; y++)
            {
                distance = distance2d(3.5,3.5,x,y)/9.899495*8;
                height = 4+sin(distance/ripple_interval+static_cast<float>(i)/50)*4;
                setBixel(x,y,static_cast<quint8>(height));
            }
        }
        waitMs(speed());
//        tripleVector[i] = cubeFrame;
        fillCubeArray(0x00);
    }
//    for (int i = 0; i < iterations(); i++) {
//        sendData(tripleVector[i]);
////        if(i/10 == 0)
////            waitMs(speed());
//    }
    Q_EMIT done();
}
Exemple #3
0
 void DilateTest::testManual0()
 {
     m_operator->setParameter(Dilate::PARAMETER_DATA_FLOW, runtime::Enum(Dilate::MANUAL));
     m_operator->initialize();
     m_operator->activate();
     
     runtime::DataContainer src(new cvsupport::Image("lenna.jpg"));
     runtime::DataContainer dst(new cvsupport::Image(1000000));
     runtime::UInt32 ksizex(3);
     runtime::UInt32 ksizey(4);
     runtime::Enum shape(1);
     runtime::UInt32 iterations(2);
     
     m_operator->setInputData(Dilate::INPUT_SRC, src);
     m_operator->setInputData(Dilate::INPUT_DST, dst);
     m_operator->setParameter(Dilate::PARAMETER_KSIZEX, ksizex);
     m_operator->setParameter(Dilate::PARAMETER_KSIZEY, ksizey);
     m_operator->setParameter(Dilate::PARAMETER_SHAPE, shape);
     m_operator->setParameter(Dilate::PARAMETER_ITERATIONS, iterations);
     
     runtime::DataContainer dstResult = m_operator->getOutputData(Dilate::OUTPUT_DST);
     
     runtime::ReadAccess dstAccess(dstResult);
     cvsupport::Image::save("DilateTest_testManual0_dst.png", dstAccess.get<runtime::Image>());
 }
Exemple #4
0
void OpReplaceRepeated::Apply(Expression *expression, Calculator *calculator, int32 recursions)
{
	if(expression->LeafCount() != 2)
		throw ArgumentException("ReplaceRepeated expects 2 arguments.");
	if(expression->LeafCount() != 2)
		throw ArgumentException("ReplaceRepeated expects 2 arguments.");
	string leafFunction = expression->Leaf(1)->FunctionName();
	if(leafFunction != "Rule" && leafFunction != "RuleDelayed" && leafFunction != "List")
		throw ArgumentException("ReplaceRepeated expects its second argument to be a rule or a list of rules.");
	ExprVector rules;
	if(leafFunction == "List")
	{
		for(ExprVector::const_iterator item = expression->Leaf(1)->Leaves().begin(); item != expression->Leaf(1)->Leaves().end(); ++ item)
			if((*item)->FunctionName() != "Rule" && (*item)->FunctionName() != "RuleDelayed")
				throw ArgumentException("ReplaceRepeated expects its second argument to be a rule or a list of rules.");
		rules = expression->Leaf(1)->Leaves();
	}
	else
		rules.push_back(expression->Leaf(1));
	int32 iterations(0);
	Expression *result = expression->Leaf(0);
	while(true)
	{
		bool changed(false);
		if(!result->ReplaceAll(rules, calculator, &changed))
			break;
		if(!changed)
			break;
		++iterations;
		if(iterations >= Max_ReplaceRepeated_Iterations)
			throw LimitationException("Maximum number of iterations reached.");
	}
	expression->AssignLeaf(0);
	expression->Evaluate(calculator, recursions);
}
Exemple #5
0
/**
 * Print benchmark results.
 */
void logResults(std::vector<Result>& results, unsigned long time)
{
  typedef OpenANN::FloatingPointFormatter fmt;
  OpenANN::Logger resultLogger(OpenANN::Logger::CONSOLE);
  resultLogger << "\t\tCorrect\t\tAccuracy\tTime/ms\t\tIterations\n";
  Eigen::VectorXd correct(results.size());
  Eigen::VectorXd accuracy(results.size());
  Eigen::VectorXd iterations(results.size());
  for(unsigned i = 0; i < results.size(); i++)
  {
    correct(i) = (double) results[i].correct;
    accuracy(i) = results[i].accuracy;
    iterations(i) = results[i].iterations;
  }
  double correctMean = correct.mean();
  double accuracyMean = accuracy.mean();
  double iterationsMean = iterations.mean();
  double correctMin = correct.minCoeff();
  double accuracyMin = accuracy.minCoeff();
  double iterationsMin = iterations.minCoeff();
  double correctMax = correct.maxCoeff();
  double accuracyMax = accuracy.maxCoeff();
  double iterationsMax = iterations.maxCoeff();
  for(unsigned i = 0; i < results.size(); i++)
  {
    correct(i) -= correctMean;
    accuracy(i) -= accuracyMean;
    iterations(i) -= iterationsMean;
  }
  correct = correct.cwiseAbs();
  accuracy = accuracy.cwiseAbs();
  iterations = iterations.cwiseAbs();
  double correctStdDev = std::sqrt(correct.mean());
  double accuracyStdDev = std::sqrt(accuracy.mean());
  double iterationsStdDev = std::sqrt(iterations.mean());
  resultLogger << "Mean+-StdDev\t";
  resultLogger << fmt(correctMean, 3) << "+-" << fmt(correctStdDev, 3) << "\t"
               << fmt(accuracyMean, 3) << "+-" << fmt(accuracyStdDev, 3) << "\t"
               << (int)((double)time / (double)results.size()) << "\t\t"
               << iterationsMean << "+-" << fmt(iterationsStdDev, 3) << "\n";
  resultLogger << "[min,max]\t";
  resultLogger << "[" << correctMin << "," << correctMax << "]\t"
               << "[" << fmt(accuracyMin, 3) << "," << fmt(accuracyMax, 3) << "]\t\t\t"
               << "[" << (int) iterationsMin << "," << (int) iterationsMax << "]\n\n";
}
int main() {
    /*
     * Вычисляем ширину эпсилон.
     */
    int epswidth = ceil(-log10(REAL_EPSILON));
    
    printf(
        "target_1 = 0, x = %.*f; dichotomy,  x ∈ [%f, %f]\n", 
        epswidth, 
        dichotomy(target_1, TARGET_1_A, TARGET_1_B),
        TARGET_1_A, TARGET_1_B
    );
    printf(
        "target_1 = 0, x = %.*f; iterations, x ∈ [%f, %f]\n", 
        epswidth, 
        iterations(target_1_xfx, TARGET_1_A, TARGET_1_B),
        TARGET_1_A, TARGET_1_B
    );
    printf(
        "target_1 = 0, x = %.*f; newton,     x ∈ [%f, %f]\n", 
        epswidth, 
        newton(target_1, target_1_derivative, TARGET_1_A, TARGET_1_B),
        TARGET_1_A, TARGET_1_B
    );
    printf(
        "target_2 = 0, x = %.*f; dichotomy,  x ∈ [%f, %f]\n",
        epswidth, 
        dichotomy(target_2, TARGET_2_A, TARGET_2_B),
        TARGET_2_A, TARGET_2_B
    );
    printf(
        "target_2 = 0, x = %.*f; iterations, x ∈ [%f, %f]\n",  
        epswidth, 
        iterations(target_2_xfx,  TARGET_2_A, TARGET_2_B),
        TARGET_2_A, TARGET_2_B
    );
    printf(
        "target_2 = 0, x = %.*f; newton,     x ∈ [%f, %f]\n", 
        epswidth, 
        newton(target_2, target_2_derivative, TARGET_2_A, TARGET_2_B),
        TARGET_2_A, TARGET_2_B
    );
    return (0);
}
Exemple #7
0
duration_type overhead_clock()
{
    std::size_t iterations( 10);
    std::vector< boost::uint64_t >  overhead( iterations, 0);
    for ( std::size_t i = 0; i < iterations; ++i)
        std::generate(
            overhead.begin(), overhead.end(),
            clock_overhead() );
    BOOST_ASSERT( overhead.begin() != overhead.end() );
    return duration_type( std::accumulate( overhead.begin(), overhead.end(), 0) / iterations);
}
    bool fractal_base::process_line(const line &l) {
        const vec_ull start = l.start_point;
        const vec_ull end = l.end_point;
        // handle lines containing only a single pixel
        const vec_ull diff = ((start - end) != vec_ull{0, 0}) ? (end - start).unitV() : vec_ull{0, 0};
        const size_t length = (end - start).norm();
        bool out = true;

        for (size_t i = 0; i <= length; i++) {
            vec_ull pos = start + diff * i;
            if (iterations(pos) == NOT_DEFINED) {
                // imaginary axis is different because it points opposite our +y axis
                complex complex_pos = index_to_complex(pos);
                iterations(pos) = iterate_cell(complex_pos);
            }
            if (iterations(pos) != iterations(start)) {
                out = false;
            }
        }
        return out;
    }
Exemple #9
0
inline
zeit_t overhead_zeit()
{
    std::size_t iterations( 10);
    std::vector< zeit_t >  overhead( iterations, 0);
    for ( std::size_t i( 0); i < iterations; ++i)
        std::generate(
            overhead.begin(), overhead.end(),
            measure_zeit() );
    BOOST_ASSERT( overhead.begin() != overhead.end() );
    return std::accumulate( overhead.begin(), overhead.end(), 0) / iterations;
}
 split_rectangle fractal_base::process_rectangle(rectangle r) {
     bool edges_equal = true;
     for (auto &side : r.get_sides()) {
         // pre-calculate to avoid lazy evaluation skipping
         bool res = process_line(side);
         edges_equal = edges_equal && res;
     }
     size_t shortest_edge = std::min(r.xmax - r.xmin, r.ymax - r.ymin);
     if (!edges_equal && shortest_edge > 1) {
         // must be careful how we round up and down because rectangles are inclusive on all bounds
         return {true,
                 {
                         rectangle(r.xmin, (r.xmin + r.xmax) / 2, r.ymin, (r.ymin + r.ymax) / 2),
                         rectangle((r.xmin + r.xmax) / 2, r.xmax, r.ymin, (r.ymin + r.ymax) / 2),
                         rectangle(r.xmin, (r.xmin + r.xmax) / 2, (r.ymin + r.ymax) / 2, r.ymax),
                         rectangle((r.xmin + r.xmax) / 2, r.xmax, (r.ymin + r.ymax) / 2, r.ymax),
                 },
         };
     } else if (edges_equal /*&& shortest_edge < longest_bound / 2*/) {
         double iter_fill = iterations(r.xmin, r.ymin);
         for (size_t i = r.xmin; i <= r.xmax; i++) {
             for (size_t j = r.ymin; j <= r.ymax; j++) {
                 iterations(i, j) = iter_fill;
             }
         }
         if (do_grid) {
             for (size_t j = r.ymin; j < r.ymax; j++) {
                 grid_mask(r.xmin, j) = true;
             }
             for (size_t i = r.xmin; i < r.xmax; i++) {
                 grid_mask(i, r.ymin) = true;
             }
         }
     }
     return {false, {}};
 }
Exemple #11
0
int test_omp_for() {
    std::vector<int> iterations(omp_get_max_threads(), 0);
    int n = 100;

#pragma omp parallel shared(iterations, n)
    {
#pragma omp for
        for (int i = 0; i < n; i++) {
            iterations[omp_get_thread_num()]++;
        }
    }

    print_iterations(iterations);
    return 0;
}
Exemple #12
0
void seissol::checkpoint::mpio::Wavefield::write(const void* header, size_t headerSize)
{
	SCOREP_USER_REGION("CheckPoint_write", SCOREP_USER_REGION_TYPE_FUNCTION);

	logInfo(rank()) << "Checkpoint backend: Writing.";

	// Write the header
	writeHeader(header, headerSize);

	// Save data
	SCOREP_USER_REGION_DEFINE(r_write_wavefield);
	SCOREP_USER_REGION_BEGIN(r_write_wavefield, "checkpoint_write_wavefield", SCOREP_USER_REGION_TYPE_COMMON);
	checkMPIErr(setDataView(file()));

	unsigned int totalIter = totalIterations();
	unsigned int iter = iterations();
	unsigned int count = dofsPerIteration();
	if (m_useLargeBuffer) {
		totalIter = (totalIter + sizeof(real) - 1) / sizeof(real);
		iter = (iter + sizeof(real) - 1) / sizeof(real);
		count *= sizeof(real);
	}
	unsigned long offset = 0;
	for (unsigned int i = 0; i < totalIter; i++) {
		if (i == iter-1)
			// Last iteration
			count = numDofs() - (iter-1) * count;

		checkMPIErr(MPI_File_write_all(file(), const_cast<real*>(&dofs()[offset]), count, MPI_DOUBLE, MPI_STATUS_IGNORE));

		if (i < iter-1)
			offset += count;
		// otherwise we just continue writing the last chunk over and over
		else if (i != totalIter-1)
			checkMPIErr(MPI_File_seek(file(), -count * sizeof(real), MPI_SEEK_CUR));
	}

	SCOREP_USER_REGION_END(r_write_wavefield);

	// Finalize the checkpoint
	finalizeCheckpoint();

	logInfo(rank()) << "Checkpoint backend: Writing. Done.";
}
Exemple #13
0
void seissol::checkpoint::h5::Wavefield::load(double &time, int &timestepWavefield, real* dofs)
{
	logInfo(rank()) << "Loading wave field checkpoint";

	seissol::checkpoint::CheckPoint::setLoaded();

	hid_t h5file = open(linkFile());
	checkH5Err(h5file);

	// Attributes
	hid_t h5attr = H5Aopen(h5file, "time", H5P_DEFAULT);
	checkH5Err(h5attr);
	checkH5Err(H5Aread(h5attr, H5T_NATIVE_DOUBLE, &time));
	checkH5Err(H5Aclose(h5attr));

	h5attr = H5Aopen(h5file, "timestep_wavefield", H5P_DEFAULT);
	checkH5Err(h5attr);
	checkH5Err(H5Aread(h5attr, H5T_NATIVE_INT, &timestepWavefield));
	checkH5Err(H5Aclose(h5attr));

	// Get dataset
	hid_t h5data = H5Dopen(h5file, "values", H5P_DEFAULT);
	checkH5Err(h5data);
	hid_t h5fSpace = H5Dget_space(h5data);
	checkH5Err(h5fSpace);

	// Read the data
	unsigned int offset = 0;
	hsize_t fStart = fileOffset();
	hsize_t count = dofsPerIteration();
	hid_t h5memSpace = H5Screate_simple(1, &count, 0L);
	checkH5Err(h5memSpace);
	checkH5Err(H5Sselect_all(h5memSpace));
	for (unsigned int i = 0; i < totalIterations()-1; i++) {
		checkH5Err(H5Sselect_hyperslab(h5fSpace, H5S_SELECT_SET, &fStart, 0L, &count, 0L));

		checkH5Err(H5Dread(h5data, H5T_NATIVE_DOUBLE, h5memSpace, h5fSpace,
				h5XferList(), &dofs[offset]));

		// We are finished in less iterations, read data twice
		// so everybody needs the same number of iterations
		if (i < iterations()-1) {
			fStart += count;
			offset += count;
		}
	}
	checkH5Err(H5Sclose(h5memSpace));

	// Read reminding data in the last iteration
	count = numDofs() - (iterations() - 1) * count;
	h5memSpace = H5Screate_simple(1, &count, 0L);
	checkH5Err(h5memSpace);
	checkH5Err(H5Sselect_all(h5memSpace));
	checkH5Err(H5Sselect_hyperslab(h5fSpace, H5S_SELECT_SET, &fStart, 0L, &count, 0L));
	checkH5Err(H5Dread(h5data, H5T_NATIVE_DOUBLE, h5memSpace, h5fSpace,
			h5XferList(), &dofs[offset]));
	checkH5Err(H5Sclose(h5memSpace));

	checkH5Err(H5Sclose(h5fSpace));
	checkH5Err(H5Dclose(h5data));
	checkH5Err(H5Fclose(h5file));
}
Exemple #14
0
void seissol::checkpoint::h5::Wavefield::write(double time, int waveFieldTimeStep)
{
	EPIK_TRACER("CheckPoint_write");
	SCOREP_USER_REGION("CheckPoint_write", SCOREP_USER_REGION_TYPE_FUNCTION);

	logInfo(rank()) << "Writing check point.";

	EPIK_USER_REG(r_header, "checkpoint_write_header");
	SCOREP_USER_REGION_DEFINE(r_header);
	EPIK_USER_START(r_header);
	SCOREP_USER_REGION_BEGIN(r_header, "checkpoint_write_header", SCOREP_USER_REGION_TYPE_COMMON);

	// Time
	checkH5Err(H5Awrite(m_h5time[odd()], H5T_NATIVE_DOUBLE, &time));

	// Wavefield writer
	checkH5Err(H5Awrite(m_h5timestepWavefield[odd()], H5T_NATIVE_INT, &waveFieldTimeStep));

	EPIK_USER_END(r_header);
	SCOREP_USER_REGION_END(r_header);

	// Save data
	EPIK_USER_REG(r_write_wavefield, "checkpoint_write_wavefield");
	SCOREP_USER_REGION_DEFINE(r_write_wavefield);
	EPIK_USER_START(r_write_wavefield);
	SCOREP_USER_REGION_BEGIN(r_write_wavefield, "checkpoint_write_wavefield", SCOREP_USER_REGION_TYPE_COMMON);

	// Write the wave field
	unsigned int offset = 0;
	hsize_t fStart = fileOffset();
	hsize_t count = dofsPerIteration();
	hid_t h5memSpace = H5Screate_simple(1, &count, 0L);
	checkH5Err(h5memSpace);
	checkH5Err(H5Sselect_all(h5memSpace));
	for (unsigned int i = 0; i < totalIterations()-1; i++) {
		checkH5Err(H5Sselect_hyperslab(m_h5fSpaceData, H5S_SELECT_SET, &fStart, 0L, &count, 0L));

		checkH5Err(H5Dwrite(m_h5data[odd()], H5T_NATIVE_DOUBLE, h5memSpace, m_h5fSpaceData,
				h5XferList(), &const_cast<real*>(dofs())[offset]));

		// We are finished in less iterations, read data twice
		// so everybody needs the same number of iterations
		if (i < iterations()-1) {
			fStart += count;
			offset += count;
		}
	}
	checkH5Err(H5Sclose(h5memSpace));

	// Save reminding data in the last iteration
	count = numDofs() - (iterations() - 1) * count;
	h5memSpace = H5Screate_simple(1, &count, 0L);
	checkH5Err(h5memSpace);
	checkH5Err(H5Sselect_all(h5memSpace));
	checkH5Err(H5Sselect_hyperslab(m_h5fSpaceData, H5S_SELECT_SET, &fStart, 0L, &count, 0L));
	checkH5Err(H5Dwrite(m_h5data[odd()], H5T_NATIVE_DOUBLE, h5memSpace, m_h5fSpaceData,
			h5XferList(), &dofs()[offset]));
	checkH5Err(H5Sclose(h5memSpace));

	EPIK_USER_END(r_write_wavefield);
	SCOREP_USER_REGION_END(r_write_wavefield);

	// Finalize the checkpoint
	finalizeCheckpoint();

	logInfo(rank()) << "Writing check point. Done.";
}
int main (int argc, char **argv)
{
    FILE    *fp_out, *fp_f1plus, *fp_f1min;
    FILE    *fp_gmin, *fp_gplus, *fp_f2, *fp_pmin;
    int     i, j, l, ret, nshots, Nsyn, nt, nx, nts, nxs, ngath;
    int     size, n1, n2, ntap, tap, di, ntraces, nb, ib;
    int     nw, nw_low, nw_high, nfreq, *xnx, *xnxsyn, *synpos;
    int     reci, mode, ixa, ixb, n2out, verbose, ntfft;
    int     iter, niter, niterh, tracf, *muteW, pad, nt0, ampest, *hmuteW, *hxnxsyn;
    int     hw, smooth, above, shift, *ixpossyn, npossyn, ix, first=1;
    float   fmin, fmax, *tapersh, *tapersy, fxf, dxf, fxs2, *xsrc, *xrcv, *zsyn, *zsrc, *xrcvsyn;
	float	*hzsyn, *hxsyn, *hxrcvsyn, *hG_d, xloc, zloc, *HomG;
    double  t0, t1, t2, t3, tsyn, tread, tfft, tcopy, energyNi, *J;
    float   d1, d2, f1, f2, fxs, ft, fx, *xsyn, dxsrc, Q, f0, *Costdet;
    float   *green, *f2p, *pmin, *G_d, dt, dx, dxs, scl, mem, *Image, *Image2;
    float   *f1plus, *f1min, *iRN, *Ni, *trace, *Gmin, *Gplus, *Gm0;
    float   xmin, xmax, weight, tsq, *Gd, *amp, bstart, bend, db, *bdet, bp, b, bmin;
    complex *Refl, *Fop, *cshot;
    char    *file_tinv, *file_shot, *file_green, *file_iter, *file_wav, *file_ray, *file_amp, *file_img, *file_cp, *file_rays, *file_amps;
    char    *file_f1plus, *file_f1min, *file_gmin, *file_gplus, *file_f2, *file_pmin, *wavtype, *wavtype2, *file_homg, *file_tinvs;
    segy    *hdrs_im, *hdrs_homg;
	WavePar WP,WPs;
	modPar mod;
    recPar rec;
    srcPar src;
    shotPar shot;
    rayPar ray;

    initargs(argc, argv);
    requestdoc(1);

    tsyn = tread = tfft = tcopy = 0.0;
    t0   = wallclock_time();

	if (!getparstring("file_img", &file_img)) file_img = "img.su";
	if (!getparstring("file_homg", &file_homg)) file_homg = NULL;
    if (!getparstring("file_shot", &file_shot)) file_shot = NULL;
    if (!getparstring("file_tinv", &file_tinv)) file_tinv = NULL;
	if (!getparstring("file_tinvs", &file_tinvs)) file_tinvs = NULL;
    if (!getparstring("file_f1plus", &file_f1plus)) file_f1plus = NULL;
    if (!getparstring("file_f1min", &file_f1min)) file_f1min = NULL;
    if (!getparstring("file_gplus", &file_gplus)) file_gplus = NULL;
    if (!getparstring("file_gmin", &file_gmin)) file_gmin = NULL;
    if (!getparstring("file_pplus", &file_f2)) file_f2 = NULL;
    if (!getparstring("file_f2", &file_f2)) file_f2 = NULL;
    if (!getparstring("file_pmin", &file_pmin)) file_pmin = NULL;
    if (!getparstring("file_iter", &file_iter)) file_iter = NULL;
	if (!getparstring("file_wav", &file_wav)) file_wav=NULL;
	if (!getparstring("file_ray", &file_ray)) file_ray=NULL;
	if (!getparstring("file_amp", &file_amp)) file_amp=NULL;
	if (!getparstring("file_rays", &file_rays)) file_rays=NULL;
    if (!getparstring("file_amps", &file_amps)) file_amps=NULL;
	if (!getparstring("file_cp", &file_cp)) file_cp = NULL;
    if (!getparint("verbose", &verbose)) verbose = 0;
    if (file_tinv == NULL && file_shot == NULL) 
        verr("file_tinv and file_shot cannot be both input pipe");
    if (!getparstring("file_green", &file_green)) {
        if (verbose) vwarn("parameter file_green not found, assume pipe");
        file_green = NULL;
    }
    if (!getparfloat("fmin", &fmin)) fmin = 0.0;
    if (!getparfloat("fmax", &fmax)) fmax = 70.0;
    if (!getparint("ixa", &ixa)) ixa = 0;
    if (!getparint("ixb", &ixb)) ixb = ixa;
//    if (!getparint("reci", &reci)) reci = 0;
	reci=0; // source-receiver reciprocity is not yet fully build into the code
    if (!getparfloat("weight", &weight)) weight = 1.0;
	if (!getparfloat("tsq", &tsq)) tsq = 0.0;
	if (!getparfloat("Q", &Q)) Q = 0.0;
	if (!getparfloat("f0", &f0)) f0 = 0.0;
    if (!getparint("tap", &tap)) tap = 0;
    if (!getparint("ntap", &ntap)) ntap = 0;
	if (!getparint("pad", &pad)) pad = 0;

    if(!getparint("hw", &hw)) hw = 15;
    if(!getparint("smooth", &smooth)) smooth = 5;
    if(!getparint("above", &above)) above = 0;
    if(!getparint("shift", &shift)) shift=12;
	if(!getparint("ampest", &ampest)) ampest=0;
	if(!getparint("nb", &nb)) nb=0;
	if (!getparfloat("bstart", &bstart)) bstart = 1.0;
    if (!getparfloat("bend", &bend)) bend = 1.0;

    if (reci && ntap) vwarn("tapering influences the reciprocal result");

	/* Reading in wavelet parameters */
    if(!getparfloat("fpw", &WP.fp)) WP.fp = -1.0;
    if(!getparfloat("fminw", &WP.fmin)) WP.fmin = 10.0;
    if(!getparfloat("flefw", &WP.flef)) WP.flef = 20.0;
    if(!getparfloat("frigw", &WP.frig)) WP.frig = 50.0;
    if(!getparfloat("fmaxw", &WP.fmax)) WP.fmax = 60.0;
    else WP.fp = -1;
    if(!getparfloat("dbw", &WP.db)) WP.db = -20.0;
    if(!getparfloat("t0w", &WP.t0)) WP.t0 = 0.0;
    if(!getparint("shiftw", &WP.shift)) WP.shift = 0;
    if(!getparint("invw", &WP.inv)) WP.inv = 0;
    if(!getparfloat("epsw", &WP.eps)) WP.eps = 1.0;
    if(!getparfloat("scalew", &WP.scale)) WP.scale = 1.0;
    if(!getparint("scfftw", &WP.scfft)) WP.scfft = 1;
    if(!getparint("cmw", &WP.cm)) WP.cm = 10;
    if(!getparint("cnw", &WP.cn)) WP.cn = 1;
	if(!getparint("wav", &WP.wav)) WP.wav = 0;
	if(!getparstring("file_wav", &WP.file_wav)) WP.file_wav=NULL;
    if(!getparstring("w", &wavtype)) strcpy(WP.w, "g2");
    else strcpy(WP.w, wavtype);

	if(!getparfloat("fpws", &WPs.fp)) WPs.fp = -1.0;
    if(!getparfloat("fminws", &WPs.fmin)) WPs.fmin = 10.0;
    if(!getparfloat("flefws", &WPs.flef)) WPs.flef = 20.0;
    if(!getparfloat("frigws", &WPs.frig)) WPs.frig = 50.0;
    if(!getparfloat("fmaxws", &WPs.fmax)) WPs.fmax = 60.0;
    else WPs.fp = -1;
    if(!getparfloat("dbw", &WPs.db)) WPs.db = -20.0;
    if(!getparfloat("t0ws", &WPs.t0)) WPs.t0 = 0.0;
    if(!getparint("shiftws", &WPs.shift)) WPs.shift = 0;
    if(!getparint("invws", &WPs.inv)) WPs.inv = 0;
    if(!getparfloat("epsws", &WPs.eps)) WPs.eps = 1.0;
    if(!getparfloat("scalews", &WPs.scale)) WPs.scale = 1.0;
    if(!getparint("scfftws", &WPs.scfft)) WPs.scfft = 1;
    if(!getparint("cmws", &WPs.cm)) WPs.cm = 10;
    if(!getparint("cnws", &WPs.cn)) WPs.cn = 1;
    if(!getparint("wavs", &WPs.wav)) WPs.wav = 0;
    if(!getparstring("file_wavs", &WPs.file_wav)) WPs.file_wav=NULL;
    if(!getparstring("ws", &wavtype2)) strcpy(WPs.w, "g2");
    else strcpy(WPs.w, wavtype2);
	if(!getparint("niter", &niter)) niter = 10;
	if(!getparint("niterh", &niterh)) niterh = niter;

/*================ Reading info about shot and initial operator sizes ================*/

    ngath = 0; /* setting ngath=0 scans all traces; n2 contains maximum traces/gather */
	if (file_ray!=NULL && file_tinv==NULL) {
		ret = getFileInfo(file_ray, &n2, &n1, &ngath, &d1, &d2, &f2, &f1, &xmin, &xmax, &scl, &ntraces);
		n1 = 1;
		ntraces = n2*ngath;
		scl = 0.0010;
		d1 = -1.0*xmin;
		xmin = -1.0*xmax;
		xmax = d1;
		WP.wav = 1;
        WP.xloc = -123456.0;
        WP.zloc = -123456.0;
		synpos = (int *)calloc(ngath,sizeof(int));
		shot.nz = 1;
		shot.nx = ngath;
		shot.n = shot.nx*shot.nz;
		for (l=0; l<shot.nz; l++) {
            for (j=0; j<shot.nx; j++) {
                synpos[l*shot.nx+j] = j*shot.nz+l;
            }
        }
	}
	else if (file_ray==NULL && file_tinv==NULL) {
		getParameters(&mod, &rec, &src, &shot, &ray, verbose);
		n1 = 1;
		n2 = rec.n;
		ngath = shot.n;
		d1 = mod.dt;
		d2 = (rec.x[1]-rec.x[0])*mod.dx;
		f1 = 0.0;
		f2 = mod.x0+rec.x[0]*mod.dx;
		xmin = mod.x0+rec.x[0]*mod.dx;
		xmax = mod.x0+rec.x[rec.n-1]*mod.dx;
		scl = 0.0010;
		ntraces = n2*ngath;
		WP.wav = 1;
		WP.xloc = -123456.0;
		WP.zloc = -123456.0;
		synpos = (int *)calloc(ngath,sizeof(int));
		for (l=0; l<shot.nz; l++) {
			for (j=0; j<shot.nx; j++) {
				synpos[l*shot.nx+j] = j*shot.nz+l;
			}
		}
	}
	else {
    	ret = getFileInfo(file_tinv, &n1, &n2, &ngath, &d1, &d2, &f1, &f2, &xmin, &xmax, &scl, &ntraces);
	}

    Nsyn = ngath;
    nxs = n2; 
    nts = n1;
	nt0 = n1;
    dxs = d2; 
    fxs = f2;

    ngath = 0; /* setting ngath=0 scans all traces; nx contains maximum traces/gather */
    ret = getFileInfo(file_shot, &nt, &nx, &ngath, &d1, &dx, &ft, &fx, &xmin, &xmax, &scl, &ntraces);
    nshots = ngath;
	assert (nxs >= nshots);

    if (!getparfloat("dt", &dt)) dt = d1;

    ntfft = optncr(MAX(nt+pad, nts+pad)); 
    nfreq = ntfft/2+1;
    nw_low = (int)MIN((fmin*ntfft*dt), nfreq-1);
    nw_low = MAX(nw_low, 1);
    nw_high = MIN((int)(fmax*ntfft*dt), nfreq-1);
    nw  = nw_high - nw_low + 1;
    scl   = 1.0/((float)ntfft);

	if (nb > 1) {
		db	= (bend-bstart)/((float)(nb-1));
	}
	else if (nb == 1) {
		db = 0;
		bend = bstart;
	}
    
/*================ Allocating all data arrays ================*/

    green   = (float *)calloc(Nsyn*nxs*ntfft,sizeof(float));
    f2p     = (float *)calloc(Nsyn*nxs*ntfft,sizeof(float));
    pmin    = (float *)calloc(Nsyn*nxs*ntfft,sizeof(float));
    f1plus  = (float *)calloc(Nsyn*nxs*ntfft,sizeof(float));
    f1min   = (float *)calloc(Nsyn*nxs*ntfft,sizeof(float));
    G_d     = (float *)calloc(Nsyn*nxs*ntfft,sizeof(float));
    muteW   = (int *)calloc(Nsyn*nxs,sizeof(int));
    trace   = (float *)malloc(ntfft*sizeof(float));
    ixpossyn = (int *)malloc(nxs*sizeof(int));
    xrcvsyn = (float *)calloc(Nsyn*nxs,sizeof(float));
    xsyn    = (float *)malloc(Nsyn*sizeof(float));
    zsyn    = (float *)malloc(Nsyn*sizeof(float));
    xnxsyn  = (int *)calloc(Nsyn,sizeof(int));
    tapersy = (float *)malloc(nxs*sizeof(float));

    Refl    = (complex *)malloc(nw*nx*nshots*sizeof(complex));
    tapersh = (float *)malloc(nx*sizeof(float));
    xsrc    = (float *)calloc(nshots,sizeof(float));
    zsrc    = (float *)calloc(nshots,sizeof(float));
    xrcv    = (float *)calloc(nshots*nx,sizeof(float));
    xnx     = (int *)calloc(nshots,sizeof(int));

/*================ Read and define mute window based on focusing operator(s) ================*/
/* G_d = p_0^+ = G_d (-t) ~ Tinv */

	WPs.nt = ntfft;
	WPs.dt = dt;
	WP.nt = ntfft;
	WP.dt = dt;

	if (file_ray!=NULL || file_cp!=NULL) {
		makeWindow(WP, file_ray, file_amp, dt, xrcvsyn, xsyn, zsyn, xnxsyn,
             Nsyn, nxs, ntfft, mode, muteW, G_d, hw, verbose);
	}
	else {
    	mode=-1; /* apply complex conjugate to read in data */
    	readTinvData(file_tinv, dt, xrcvsyn, xsyn, zsyn, xnxsyn, 
			 Nsyn, nxs, ntfft, mode, muteW, G_d, hw, verbose);
	}
	/* reading data added zero's to the number of time samples to be the same as ntfft */
    nts   = ntfft;
                         
	/* define tapers to taper edges of acquisition */
    if (tap == 1 || tap == 3) {
        for (j = 0; j < ntap; j++)
            tapersy[j] = (cos(PI*(j-ntap)/ntap)+1)/2.0;
        for (j = ntap; j < nxs-ntap; j++)
            tapersy[j] = 1.0;
        for (j = nxs-ntap; j < nxs; j++)
            tapersy[j] =(cos(PI*(j-(nxs-ntap))/ntap)+1)/2.0;
    }
    else {
        for (j = 0; j < nxs; j++) tapersy[j] = 1.0;
    }
    if (tap == 1 || tap == 3) {
        if (verbose) vmess("Taper for operator applied ntap=%d", ntap);
        for (l = 0; l < Nsyn; l++) {
            for (i = 0; i < nxs; i++) {
                for (j = 0; j < nts; j++) {
                    G_d[l*nxs*nts+i*nts+j] *= tapersy[i];
                }   
            }   
        }   
    }

	/* check consistency of header values */
    dxf = (xrcvsyn[nxs-1] - xrcvsyn[0])/(float)(nxs-1);
    if (NINT(dxs*1e3) != NINT(fabs(dxf)*1e3)) {
        vmess("dx in hdr.d1 (%.3f) and hdr.gx (%.3f) not equal",d2, dxf);
        if (dxf != 0) dxs = fabs(dxf);
        vmess("dx in operator => %f", dxs);
    }
    if (xrcvsyn[0] != 0 || xrcvsyn[1] != 0 ) fxs = xrcvsyn[0];
    fxs2 = fxs + (float)(nxs-1)*dxs;

/*================ Reading shot records ================*/

    mode=1;
    readShotData(file_shot, xrcv, xsrc, zsrc, xnx, Refl, nw, nw_low, ngath, nx, nx, ntfft, 
         mode, weight, tsq, Q, f0, verbose);

    tapersh = (float *)malloc(nx*sizeof(float));
    if (tap == 2 || tap == 3) {
        for (j = 0; j < ntap; j++)
            tapersh[j] = (cos(PI*(j-ntap)/ntap)+1)/2.0;
        for (j = ntap; j < nx-ntap; j++)
            tapersh[j] = 1.0;
        for (j = nx-ntap; j < nx; j++)
            tapersh[j] =(cos(PI*(j-(nx-ntap))/ntap)+1)/2.0;
    }
    else {
        for (j = 0; j < nx; j++) tapersh[j] = 1.0;
    }
    if (tap == 2 || tap == 3) {
        if (verbose) vmess("Taper for shots applied ntap=%d", ntap);
        for (l = 0; l < nshots; l++) {
            for (j = 1; j < nw; j++) {
                for (i = 0; i < nx; i++) {
                    Refl[l*nx*nw+j*nx+i].r *= tapersh[i];
                    Refl[l*nx*nw+j*nx+i].i *= tapersh[i];
                }   
            }   
        }
    }
    free(tapersh);

	/* check consistency of header values */
    fxf = xsrc[0];
    if (nx > 1) dxf = (xrcv[0] - xrcv[nx-1])/(float)(nx-1);
    else dxf = d2;
    if (NINT(dx*1e3) != NINT(fabs(dxf)*1e3)) {
        vmess("dx in hdr.d1 (%.3f) and hdr.gx (%.3f) not equal",dx, dxf);
        if (dxf != 0) dx = fabs(dxf);
        else verr("gx hdrs not set");
        vmess("dx used => %f", dx);
    }
    
    dxsrc = (float)xsrc[1] - xsrc[0];
    if (dxsrc == 0) {
        vwarn("sx hdrs are not filled in!!");
        dxsrc = dx;
    }

/*================ Check the size of the files ================*/

    if (NINT(dxsrc/dx)*dx != NINT(dxsrc)) {
        vwarn("source (%.2f) and receiver step (%.2f) don't match",dxsrc,dx);
        if (reci == 2) vwarn("step used from operator (%.2f) ",dxs);
    }
    di = NINT(dxf/dxs);
    if ((NINT(di*dxs) != NINT(dxf)) && verbose) 
        vwarn("dx in receiver (%.2f) and operator (%.2f) don't match",dx,dxs);
    if (nt != nts) 
        vmess("Time samples in shot (%d) and focusing operator (%d) are not equal",nt, nts);
    if (verbose) {
        vmess("Number of focusing operators   = %d", Nsyn);
        vmess("Number of receivers in focusop = %d", nxs);
        vmess("number of shots                = %d", nshots);
        vmess("number of receiver/shot        = %d", nx);
        vmess("first model position           = %.2f", fxs);
        vmess("last model position            = %.2f", fxs2);
        vmess("first source position fxf      = %.2f", fxf);
        vmess("source distance dxsrc          = %.2f", dxsrc);
        vmess("last source position           = %.2f", fxf+(nshots-1)*dxsrc);
        vmess("receiver distance     dxf      = %.2f", dxf);
        vmess("direction of increasing traces = %d", di);
        vmess("number of time samples (nt,nts) = %d (%d,%d)", ntfft, nt, nts);
        vmess("time sampling                  = %e ", dt);
		if (ampest > 0) 		vmess("Amplitude correction estimation is switched on");
		if (nb > 0)				vmess("Scaling estimation in %d step(s) from %.3f to %.3f (db=%.3f)",nb,bstart,bend,db);
        if (file_green != NULL) vmess("Green output file              = %s ", file_green);
        if (file_gmin != NULL)  vmess("Gmin output file               = %s ", file_gmin);
        if (file_gplus != NULL) vmess("Gplus output file              = %s ", file_gplus);
        if (file_pmin != NULL)  vmess("Pmin output file               = %s ", file_pmin);
        if (file_f2 != NULL)    vmess("f2 (=pplus) output file        = %s ", file_f2);
        if (file_f1min != NULL) vmess("f1min output file              = %s ", file_f1min);
        if (file_f1plus != NULL)vmess("f1plus output file             = %s ", file_f1plus);
        if (file_iter != NULL)  vmess("Iterations output file         = %s ", file_iter);
    }

/*================ initializations ================*/

    if (ixa || ixb) n2out = ixa + ixb + 1;
    else if (reci) n2out = nxs;
    else n2out = nshots;
    mem = Nsyn*n2out*ntfft*sizeof(float)/1048576.0;
    if (verbose) {
        vmess("number of output traces        = %d", n2out);
        vmess("number of output samples       = %d", ntfft);
        vmess("Size of output data/file       = %.1f MB", mem);
    }

    //memcpy(Ni, G_d, Nsyn*nxs*ntfft*sizeof(float));
    
	if (file_homg!=NULL) {
		hG_d     = (float *)calloc(nxs*ntfft,sizeof(float));
    	hmuteW   = (int *)calloc(nxs,sizeof(int));
		hxrcvsyn = (float *)calloc(nxs,sizeof(float));
		hxsyn 	 = (float *)calloc(1,sizeof(float));
		hzsyn    = (float *)calloc(1,sizeof(float));
		hxnxsyn  = (int *)calloc(1,sizeof(int));
		cshot 	 = (complex *)calloc(nxs*nfreq,sizeof(complex));

		if(!getparfloat("xloc", &WPs.xloc)) WPs.xloc = -123456.0;
    	if(!getparfloat("zloc", &WPs.zloc)) WPs.zloc = -123456.0;
		if (WPs.xloc == -123456.0 && WPs.zloc == -123456.0) file_cp = NULL;
		if (WPs.xloc == -123456.0) WPs.xloc = 0.0;
		if (WPs.zloc == -123456.0) WPs.zloc = 0.0;
		xloc = WPs.xloc;
		zloc = WPs.zloc;
		ngath = 1;

		if (file_rays!=NULL || file_cp!=NULL) {
			WPs.wav=1;
			makeWindow(WPs, file_rays, file_amps, dt, hxrcvsyn, hxsyn, hzsyn, hxnxsyn, ngath, nxs, ntfft, mode, hmuteW, hG_d, hw, verbose);
    	}
    	else {
        	mode=-1; /* apply complex conjugate to read in data */
        	readTinvData(file_tinvs, dt, hxrcvsyn, hxsyn, hzsyn, hxnxsyn,
            	ngath, nxs, ntfft, mode, hmuteW, hG_d, hw, verbose);
    	}

		WPs.xloc = -123456.0;
		WPs.zloc = -123456.0;

		if (tap == 1 || tap == 3) {
        	if (verbose) vmess("Taper for operator applied ntap=%d", ntap);
            for (i = 0; i < nxs; i++) {
                for (j = 0; j < nts; j++) {
                    hG_d[i*nts+j] *= tapersy[i];
                }
            }
        }

		ngath   = omp_get_max_threads();
		
		synthesisPosistions(nx, nt, nxs, nts, dt, hxsyn, 1, xrcv, xsrc, fxs2, fxs,
        	dxs, dxsrc, dx, ixa, ixb, reci, nshots, ixpossyn, &npossyn, verbose);

		iterations(Refl,nx,nt,nxs,nts,dt,hxsyn,1,xrcv,xsrc,fxs2,fxs,dxs,dxsrc,dx,ixa,ixb,
        	ntfft,nw,nw_low,nw_high,mode,reci,nshots,ixpossyn,npossyn,pmin,f1min,f1plus,
        	f2p,hG_d,hmuteW,smooth,shift,above,pad,nt0,&first,niterh,verbose);

		/* compute full Green's function G = int R * f2(t) + f2(-t) = Pplus + Pmin */
        for (i = 0; i < npossyn; i++) {
            j = 0;
            /* set green to zero if mute-window exceeds nt/2 */
            if (hmuteW[ixpossyn[i]] >= nts/2) {
                memset(&green[i*nts],0, sizeof(float)*nt);
                continue;
            }
            green[i*nts+j] = f2p[i*nts+j] + pmin[i*nts+j];
            for (j = 1; j < nts; j++) {
                green[i*nts+j] = f2p[i*nts+nts-j] + pmin[i*nts+j];
            }
        }

		applyMute(green, hmuteW, smooth, 4, 1, nxs, nts, ixpossyn, npossyn, shift, pad, nt0);

        omp_set_num_threads(ngath);

        /* Transform the green position to the frequency domain */
        /*for (i = 0; i < npossyn; i++) {
        	rc1fft(&green[i*nts],&cshot[i*nfreq],ntfft,-1);
    	}*/
		//free(hG_d);free(hmuteW);free(hxrcvsyn);
		free(hmuteW);free(hxrcvsyn);
		free(hxsyn);free(hzsyn);free(hxnxsyn);free(cshot);
	}

    /* dry-run of synthesis to get all x-positions calcalated by the integration */
    synthesisPosistions(nx, nt, nxs, nts, dt, xsyn, Nsyn, xrcv, xsrc, fxs2, fxs, 
        dxs, dxsrc, dx, ixa, ixb,  reci, nshots, ixpossyn, &npossyn, verbose);
    if (verbose) {
        vmess("synthesisPosistions: nshots=%d npossyn=%d", nshots, npossyn);
    }


    t1    = wallclock_time();
    tread = t1-t0;

	iterations(Refl,nx,nt,nxs,nts,dt,xsyn,Nsyn,xrcv,xsrc,fxs2,fxs,dxs,dxsrc,dx,ixa,ixb,
		ntfft,nw,nw_low,nw_high,mode,reci,nshots,ixpossyn,npossyn,pmin,f1min,f1plus,
		f2p,G_d,muteW,smooth,shift,above,pad,nt0,&first,niter,verbose);

	/*if (niter==0) {
		for (l = 0; l < Nsyn; l++) {
        	for (i = 0; i < npossyn; i++) {
            	j = 0;
                ix = ixpossyn[i];
                f2p[l*nxs*nts+i*nts+j] = G_d[l*nxs*nts+ix*nts+j];
				f1plus[l*nxs*nts+i*nts+j] = G_d[l*nxs*nts+ix*nts+j];
                for (j = 1; j < nts; j++) {
                	f2p[l*nxs*nts+i*nts+j] = G_d[l*nxs*nts+ix*nts+j];
					f1plus[l*nxs*nts+i*nts+j] = G_d[l*nxs*nts+ix*nts+j];
                }
            }
    	}
	}*/

	

	if (niterh==0) {
        for (l = 0; l < Nsyn; l++) {
            for (i = 0; i < npossyn; i++) {
                j = 0;
                ix = ixpossyn[i];
                green[i*nts+j] = hG_d[ix*nts+j];
                for (j = 1; j < nts; j++) {
                    green[i*nts+j] = hG_d[ix*nts+nts-j];
                }
            }
        }
    }

	if (file_img!=NULL) {
	
		/*================ set variables for output data ================*/

    	hdrs_im = (segy *) calloc(shot.nx,sizeof(segy));
    	if (hdrs_im == NULL) verr("allocation for hdrs_out");
		Image   = (float *)calloc(Nsyn,sizeof(float));

		first=0;
		imaging(Image,WPs,Refl,nx,nt,nxs,nts,dt,xsyn,Nsyn,xrcv,xsrc,fxs2,fxs,dxs,dxsrc,dx,ixa,ixb,
       		ntfft,nw,nw_low,nw_high,mode,reci,nshots,ixpossyn,npossyn,pmin,f1min,f1plus,
       		f2p,G_d,muteW,smooth,shift,above,pad,nt0,synpos,verbose);

		/*============= write output files ================*/

		fp_out = fopen(file_img, "w+");

    	for (i = 0; i < shot.nx; i++) {
            hdrs_im[i].fldr    = 1;
            hdrs_im[i].tracl   = 1;
            hdrs_im[i].tracf   = i+1;
            hdrs_im[i].scalco  = -1000;
            hdrs_im[i].scalel  = -1000;
            hdrs_im[i].sdepth  = 0;
            hdrs_im[i].trid    = 1;
            hdrs_im[i].ns      = shot.nz;
            hdrs_im[i].trwf    = shot.nx;
            hdrs_im[i].ntr     = hdrs_im[i].fldr*hdrs_im[i].trwf;
            hdrs_im[i].f1      = zsyn[0];
            hdrs_im[i].f2      = xsyn[0];
            hdrs_im[i].dt      = dt*(1E6);
            hdrs_im[i].d1      = (float)zsyn[shot.nx]-zsyn[0];
            hdrs_im[i].d2      = (float)xsyn[1]-xsyn[0];
            hdrs_im[i].sx      = (int)roundf(xsyn[0] + (i*hdrs_im[i].d2));
            hdrs_im[i].gx      = (int)roundf(xsyn[0] + (i*hdrs_im[i].d2));
            hdrs_im[i].offset  = (hdrs_im[i].gx - hdrs_im[i].sx)/1000.0;
    	}
    	ret = writeData(fp_out, &Image[0], hdrs_im, shot.nz, shot.nx);
    	if (ret < 0 ) verr("error on writing output file.");

    	fclose(fp_out);
	}

	if (file_homg!=NULL) {

		/*================ set variables for output data ================*/

        hdrs_homg = (segy *) calloc(shot.nx,sizeof(segy));
        if (hdrs_homg == NULL) verr("allocation for hdrs_out");
        HomG	= (float *)calloc(Nsyn*ntfft,sizeof(float));

        homogeneousg(HomG,green,Refl,nx,nt,nxs,nts,dt,xsyn,Nsyn,xrcv,xsrc,fxs2,fxs,dxs,dxsrc,dx,ixa,ixb,
           	ntfft,nw,nw_low,nw_high,mode,reci,nshots,ixpossyn,npossyn,pmin,f1min,f1plus,
           	f2p,G_d,muteW,smooth,shift,above,pad,nt0,synpos,verbose);

        /*============= write output files ================*/

		 fp_out = fopen(file_homg, "w+");

		for (j = 0; j < ntfft; j++) {
        	for (i = 0; i < shot.nx; i++) {
            	hdrs_homg[i].fldr    = j+1;
            	hdrs_homg[i].tracl   = j*shot.nx+i+1;
            	hdrs_homg[i].tracf   = i+1;
            	hdrs_homg[i].scalco  = -1000;
            	hdrs_homg[i].scalel  = -1000;
            	hdrs_homg[i].sdepth  = (int)(zloc*1000.0);
            	hdrs_homg[i].trid    = 1;
            	hdrs_homg[i].ns      = shot.nz;
            	hdrs_homg[i].trwf    = shot.nx;
            	hdrs_homg[i].ntr     = hdrs_homg[i].fldr*hdrs_homg[i].trwf;
            	hdrs_homg[i].f1      = zsyn[0];
            	hdrs_homg[i].f2      = xsyn[0];
            	hdrs_homg[i].dt      = dt*(1E6);
            	hdrs_homg[i].d1      = (float)zsyn[shot.nx]-zsyn[0];
            	hdrs_homg[i].d2      = (float)xsyn[1]-xsyn[0];
            	hdrs_homg[i].sx      = (int)roundf(xsyn[0] + (i*hdrs_homg[i].d2));
            	hdrs_homg[i].gx      = (int)roundf(xsyn[0] + (i*hdrs_homg[i].d2));
            	hdrs_homg[i].offset  = (hdrs_homg[i].gx - hdrs_homg[i].sx)/1000.0;
        	}
        	ret = writeData(fp_out, &HomG[j*shot.n], hdrs_homg, shot.nz, shot.nx);
        	if (ret < 0 ) verr("error on writing output file.");
		}

        fclose(fp_out);
    }

    if (verbose) {
        t1 = wallclock_time();
        vmess("and CPU-time write data  = %.3f", t1-t2);
    }


    free(tapersy);

    exit(0);
}
QString VESPERSTimeScanConfiguration::headerText() const
{
	QString header("Configuration of the Scan\n\n");

	header.append(fluorescenceHeaderString(fluorescenceDetector()));
	header.append(incomingChoiceHeaderString(incomingChoice()));
	header.append(regionsOfInterestHeaderString(regionsOfInterest()) % "\n");
	header.append(ccdDetectorHeaderString(ccdDetector()));

	header.append("\n");

	header.append(QString("Acquired for %1 seconds every %2 seconds %3 times.\n").arg(time()).arg(timePerAcquisition()).arg(iterations()));
	return header;
}