Method run

kernels/InfoKernel.cpp:241–305

}

MetadataNode InfoKernel::run(const std::string& filename)
{
    MetadataNode root;
    std::unique_ptr<arbiter::LocalHandle> localHandle;
    std::string readerDriver = m_driverOverride.size()
        ? m_driverOverride : StageFactory::inferReaderDriver(filename);

    uint64_t pointCountOverride = 0;

    if (!m_needPoints && readerDriver == "readers.las" && Utils::isRemote(filename))
    {
        auto pointless = getPointlessLasFile(filename);
        pointCountOverride = pointless.pointCount;
        localHandle = std::move(pointless.handle);
        makeReader(localHandle->localPath());
    }
    else
        makeReader(filename);

    root.add("filename", filename);
    root.add("pdal_version", Config::fullVersionString());

    if (m_showSummary)
    {
        QuickInfo qi = m_manager.getStage()->preview();
        if (!qi.valid())
            throw pdal_error("No summary data available for '" +
                filename + "'.");

        // Correct our point count with the actual value.
        if (pointCountOverride)
        {
            m_reader->getMetadata().addOrUpdate("count", pointCountOverride);
            qi.m_pointCount = pointCountOverride;
        }
        root.add(qi.dumpSummary().clone("summary"));
    }
    else
    {
        makePipeline();
        if (m_needPoints || m_showMetadata)
            m_manager.execute(ExecMode::PreferStream);
        else
            m_manager.prepare();

        // Correct our point count with the actual value.
        if (pointCountOverride)
            m_reader->getMetadata().addOrUpdate("count", pointCountOverride);

        dump(root);
    }

    std::time_t now
    = std::chrono::system_clock::to_time_t(std::chrono::system_clock::now());
    std::stringstream t;
    t << std::put_time( std::localtime( &now ), "%FT%T%z" );
    root.add("reader", m_reader->getName());
    root.add("now", t.str());