void factfits::readDrsCalib ( const std::string &  fileName )

inlineprivate

Definition at line 129 of file factfits.h.

References ___err___, clear(), fOffsetCalibration, fits::GetNextRow(), zfits::GetNumRows(), fits::GetStr(), gLog, fits::HasKey(), fits::IsCompressedFITS(), and fits::SetPtrAddress().

Referenced by factfits().

    {
        //should not be mandatory, but improves the perfs a lot when reading not compressed, gzipped files
        if (!IsCompressedFITS())
            return;

        zfits calib(fileName, "ZDrsCellOffsets");

        if (calib.bad())
        {
            clear(rdstate()|std::ios::badbit);
            return;
        }

        if (calib.eof())
            return;

        // Check correct size and format of table
        if (calib.GetNumRows() != 1)
        {
            clear(rdstate()|std::ios::badbit);
#ifdef __EXCEPTIONS
            throw std::runtime_error("Table 'ZDrsCellOffsets' found, but not with one row as expected");
#else
            gLog << ___err___ << "ERROR - Table 'ZDrsCellOffsets' found, but not with one row as expected" << std::endl;
            return;
#endif
        }
        if (calib.GetStr("TTYPE1") != "OffsetCalibration")
        {
            clear(rdstate()|std::ios::badbit);
#ifdef __EXCEPTIONS
            throw std::runtime_error("Table 'ZDrsCellOffsets' found, but first column is not the one expected");
#else
            gLog << ___err___ << "ERROR - Table 'ZDrsCellOffsets' found, but first column is not the one expected" << std::endl;
            return;
#endif
        }
        bool isColumnPresent = false;
        if (calib.HasKey("TFORM1") && calib.GetStr("TFORM1") == "1474560I") isColumnPresent = true;
        if (calib.HasKey("ZFORM1") && calib.GetStr("ZFORM1") == "1474560I") isColumnPresent = true;
        if (!isColumnPresent)  // 1024*1440
        {
            clear(rdstate()|std::ios::badbit);
#ifdef __EXCEPTIONS
            throw std::runtime_error("Table 'ZDrsCellOffsets' has wrong column format (TFROM1)");
#else
            gLog << ___err___ << "ERROR - Table 'ZDrsCellOffsets' has wrong column format (TFORM1)" << std::endl;
            return;
#endif
        }

        fOffsetCalibration.resize(1024*1440);

        calib.SetPtrAddress("OffsetCalibration", fOffsetCalibration.data());
        if (calib.GetNextRow())
            return;

        clear(rdstate()|std::ios::badbit);

#ifdef __EXCEPTIONS
        throw std::runtime_error("Reading column 'OffsetCalibration' failed.");
#else
        gLog << ___err___ << "ERROR - Reading column 'OffsetCalibration' failed." << std::endl;
#endif

    }

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