Method addDimensions

plugins/draco/io/DracoReader.cpp:144–228

}

void DracoReader::addDimensions(PointLayoutPtr layout)
{
    using namespace draco;


    //iterate and collect information on draco attributes
    for (int i=0; i < m_pc->num_attributes(); ++i)
    {
        const PointAttribute* attr = m_pc->GetAttributeByUniqueId(i);
        if (attr == nullptr)
            throw new pdal_error("Invalid draco attribute configuration");
        const AttributeMetadata* attr_metadata = m_pc->GetAttributeMetadataByAttributeId(i);

        //get types
        DataType dt = attr->data_type();
        Dimension::Type pt = getPdalType(dt);
        GeometryAttribute::Type at = attr->attribute_type();

        int8_t nc = attr->num_components();
        log()->get(LogLevel::Debug) << "Dimension read: "
                                    << GeometryAttribute::TypeToString(at)
                                    << ", Data type: " << Dimension::interpretationName(pt)
                                    << std::endl;;
        std::string name;
        if (attr_metadata)
        {
            attr_metadata->GetEntryString("name", &name);
            log()->get(LogLevel::Debug) << "  Generic type name: "
                                        << name
                                        << std::endl;
        }
        switch (at)
        {
            case GeometryAttribute::POSITION:
            {
                addOneDimension(Dimension::Id::X, attr, layout, i, 0);
                addOneDimension(Dimension::Id::Y, attr, layout, i, 1);
                addOneDimension(Dimension::Id::Z, attr, layout, i, 2);
                break;
            }
            case GeometryAttribute::NORMAL:
            {
                addOneDimension(Dimension::Id::NormalX, attr, layout, i, 0);
                addOneDimension(Dimension::Id::NormalY, attr, layout, i, 1);
                addOneDimension(Dimension::Id::NormalZ, attr, layout, i, 2);
                break;
            }
            case GeometryAttribute::COLOR:
            {
                addOneDimension(Dimension::Id::Red, attr, layout, i, 0);
                addOneDimension(Dimension::Id::Green, attr, layout, i, 1);
                addOneDimension(Dimension::Id::Blue, attr, layout, i, 2);
                break;
            }
            case GeometryAttribute::TEX_COORD:
            {
                addOneDimension(Dimension::Id::TextureU, attr, layout, i, 0);
                addOneDimension(Dimension::Id::TextureV, attr, layout, i, 1);