Method addDimensions

plugins/arrow/io/ArrowReader.cpp:386–424

void ArrowReader::addDimensions(PointLayoutPtr layout)
{
    using namespace Dimension;
    Dimension::IdList ids;

    // We take the schema of the first batch. If the rest of the
    // batches don't match the schema, we're f'd

    std::shared_ptr<arrow::Schema> schema = m_currentBatch->schema();
    int fieldPosition(0);
    for(auto& f: schema->fields())
    {
        std::string name = f->name();
        auto& dt = f->type();
        arrow::Type::type t = dt->id();

        if ((t == arrow::Type::FIXED_SIZE_LIST) || (t == arrow::Type::BINARY))
        {
            if (Utils::iequals(name, m_geoArrowDimName))
            {
                layout->registerDim(pdal::Dimension::Id::X);
                layout->registerDim(pdal::Dimension::Id::Y);
                layout->registerDim(pdal::Dimension::Id::Z);
            }

        }

        pdal::Dimension::Type pt = pdalType(t);

        // If we're not a known Type, we're not adding the dimension to the
        // layout
        if (pt != pdal::Dimension::Type::None)
        {
            pdal::Dimension::Id id = layout->registerOrAssignDim(name, pt);
            m_arrayIds.insert({fieldPosition, id});
        }
        fieldPosition++;
    }
}


point_count_t ArrowReader::read(PointViewPtr view, point_count_t num)