Method write

io/CopcWriter.cpp:355–469

}

void CopcWriter::write(const PointViewPtr v)
{
    using namespace copcwriter;

    if (v->empty())
    {
        log()->get(LogLevel::Warning) << "writers.copc skipping empty point view.\n";
        return;
    }

    if (++b->viewCount > 1)
        log()->get(LogLevel::Warning) << "writers.copc does not support multiple views "
            "and will overwrite files for earlier views. Consider adding a merge filter.\n";

    BOX3D box;
    v->calculateBounds(box);

    Grid grid(box, v->size());

    CellManager mgr(v);

    for (PointRef p : *v)
    {
        double x = p.getFieldAs<double>(Dimension::Id::X);
        double y = p.getFieldAs<double>(Dimension::Id::Y);
        double z = p.getFieldAs<double>(Dimension::Id::Z);
        double t = p.getFieldAs<double>(Dimension::Id::GpsTime);
        double r = p.getFieldAs<double>(Dimension::Id::ReturnNumber);
        b->stats[(int)stats::Index::X].insert(x);
        b->stats[(int)stats::Index::Y].insert(y);
        b->stats[(int)stats::Index::Z].insert(z);
        b->stats[(int)stats::Index::GpsTime].insert(t);
        b->stats[(int)stats::Index::ReturnNumber].insert(r);

        VoxelKey key = grid.key(x, y, z);
        PointViewPtr& cell = mgr.get(key);
        cell->appendPoint(*v, p.pointId());
    }

    // New cells from reprocessing go on the reprocessing manager. They get merged
    // at the end.
    //ABELL - This should be threaded. These reprocessors should be able to run independently
    // since their data doesn't overlap spatially. Probably need a separate CellManager
    // for each that is merged under lock at completion.
    CellManager reprocessMgr(v);
    auto it = mgr.begin();
    while (it != mgr.end())
    {
        PointViewPtr& v = it->second;
        if (v->size() >= MaxPointsPerNode)
        {
            Reprocessor r(reprocessMgr, v, grid);
            r.run();
            // Remove the reprocessed cell from the manager.
            it = mgr.erase(it);
        }
        else
            it++;