Method Parse

src/qtviewer/ParseIfcFile.cpp:25–166

ParseIfcFile::~ParseIfcFile() {}

bool ParseIfcFile::Parse(
    const std::string& filePath,
    std::vector<osg::ref_ptr<osg::MatrixTransform>>& matrixTransforms
) {
    IfcParse::IfcFile file(filePath);
    ifcopenshell::geometry::Settings settings;
    settings.set("use-world-coords", false);
    settings.set("weld-vertices", false);
    settings.set("apply-default-materials", true);

    IfcGeom::Iterator* it = new IfcGeom::Iterator(ifcopenshell::geometry::kernels::construct(&file, "opencascade", settings), settings, &file);
    if (!it->initialize()) {
        MessageLogger::log("Error: Iterator failed to initialize! Aborting.");
        delete it;
        return false;
    }

    std::string lastId;
    std::vector<osg::ref_ptr<osg::Geometry>> lastGeometrySet;

    do {
        //const IfcGeom::BRepElement* bRepElem = it->get_native();
        const IfcGeom::TriangulationElement* triElem = static_cast<const IfcGeom::TriangulationElement*>(it->get());

        // Print element info
        std::string elemInfo = triElem->type();
        elemInfo += triElem->name() == "" ? "" : ": " + triElem->name();
        MessageLogger::log(elemInfo);
        
        const std::string id = triElem->geometry().id();
        
        //MessageLogger::log("id: " + id);

        // Transformation Matrix
        std::vector<double> matrixData;
        auto transform4x4 = triElem->transformation().data()->components();
        for (int col = 0; col<4; col++)
        {
            for (int row =0; row<3; row++)
            {
                matrixData.push_back(transform4x4(row,col));
            }

        }

        // Debugging:
        std::string matrixStr = "";
        int col = 0;
        int row = 0;
        for (auto d : matrixData) {
            matrixStr += std::to_string(d) + "  ";
            if (++col == 3) {
                std::string lastCol = (row == 3) ? "1" : "0";
                matrixStr += lastCol + "\n";
                col = 0;
                row++;
            }
        }