Function open

pdal/util/OStream.hpp:66–74

         }

    PDAL_EXPORT int open(const std::string& filename)
    {
        if (m_stream)
            return -1;
        m_stream =  FileUtils::createFile(filename);
        m_fstream = dynamic_cast<std::ofstream*>(m_stream);

        return 0;
    }
    PDAL_EXPORT void close()
    {
        flush();