Checksum ofits::WriteFitsHeader ( )

inline

Definition at line 809 of file ofits.h.

References AddComment(), End(), ofits::Key::offset, SetBool(), SetInt(), SetStr(), Checksum::str(), and WriteHeader().

Referenced by WriteTableHeader().

    {
        ofits h;

        h.SetBool("SIMPLE", true, "file does conform to FITS standard");
        h.SetInt ("BITPIX",    8, "number of bits per data pixel");
        h.SetInt ("NAXIS",     0, "number of data axes");
        h.SetBool("EXTEND", true, "FITS dataset may contain extensions");
        h.SetStr ("CHECKSUM","0000000000000000", "Checksum for the whole HDU");
        h.SetStr ("DATASUM", "         0", "Checksum for the data block");
        h.AddComment("FITS (Flexible Image Transport System) format is defined in 'Astronomy");
        h.AddComment("and Astrophysics', volume 376, page 359; bibcode: 2001A&A...376..359H");
        h.End();

        const Checksum sum = h.WriteHeader(*this);

        h.SetStr("CHECKSUM", sum.str());

        const size_t offset = tellp();
        h.WriteHeader(*this);
        seekp(offset);

        return sum;
    }

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