Function addHorizontalAlignment

src/ifcparse/IfcAlignmentHelper.cpp:181–228

}

Ifc4x3_add2::IfcAlignment* addHorizontalAlignment(IfcHierarchyHelper<Ifc4x3_add2>& file, const std::string& alignment_name, const std::vector<std::pair<double, double>>& points, const std::vector<double>& radii,bool include_geometry) {

    auto [horizontal_segments, horizontal_curve_segments, composite_curve] = _createHorizontalAlignment(file, points, radii, include_geometry);
    _name_segments("H", horizontal_segments);

    //
    // Create the horizontal alignment (IfcAlignmentHorizontal) and nest alignment segments
    //
    auto horizontal_alignment = new Ifc4x3_add2::IfcAlignmentHorizontal(IfcParse::IfcGlobalId(), nullptr, alignment_name + std::string(" - Horizontal"), boost::none, boost::none, nullptr, nullptr);
    file.addEntity(horizontal_alignment);

    auto nests_horizontal_segments = new Ifc4x3_add2::IfcRelNests(IfcParse::IfcGlobalId(), nullptr, boost::none, std::string("Nests horizontal alignment segments with horizontal alignment"), horizontal_alignment, horizontal_segments);
    file.addEntity(nests_horizontal_segments);

    //
    // Create geometric representation
    //
    Ifc4x3_add2::IfcLocalPlacement* placement = nullptr;
    Ifc4x3_add2::IfcProductDefinitionShape* product_definition_shape = nullptr;
    if (include_geometry) { 
       typename aggregate_of<Ifc4x3_add2::IfcRepresentationItem>::ptr alignment_representation_items(new aggregate_of<Ifc4x3_add2::IfcRepresentationItem>());
       alignment_representation_items->push(composite_curve);

       // create the footprint representation
       auto axis_model_representation_subcontext = file.getRepresentationSubContext("Axis", "Model");
       auto footprint_shape_representation = new Ifc4x3_add2::IfcShapeRepresentation(axis_model_representation_subcontext, std::string("FootPrint"), std::string("Curve2D"), alignment_representation_items);
       file.addEntity(footprint_shape_representation);

       placement = file.addLocalPlacement();

       // the alignment has a plan view footprint representation
       typename aggregate_of<Ifc4x3_add2::IfcRepresentation>::ptr alignment_representations(new aggregate_of<Ifc4x3_add2::IfcRepresentation>());
       alignment_representations->push(footprint_shape_representation); // 2D footprint

       // create the alignment product definition
       product_definition_shape = new Ifc4x3_add2::IfcProductDefinitionShape(std::string("Alignment Product Definition Shape"), boost::none, alignment_representations);

       // create representations for each segment
       _createSegmentRepresentations(file, placement, axis_model_representation_subcontext, horizontal_curve_segments, horizontal_segments);
    }

    // create the alignment
    auto alignment = new Ifc4x3_add2::IfcAlignment(IfcParse::IfcGlobalId(), nullptr, alignment_name, boost::none, boost::none, placement, product_definition_shape, boost::none);
    file.addEntity(alignment);
    

    return alignment;
}

std::tuple<typename aggregate_of<Ifc4x3_add2::IfcObjectDefinition>::ptr, typename aggregate_of<Ifc4x3_add2::IfcSegment>::ptr, Ifc4x3_add2::IfcGradientCurve*> _createVerticalAlignment(IfcHierarchyHelper<Ifc4x3_add2>& file, Ifc4x3_add2::IfcCompositeCurve* composite_curve,const std::vector<std::pair<double, double>>& vpoints, const std::vector<double>& vclengths, bool include_geometry) {
    typename aggregate_of<Ifc4x3_add2::IfcObjectDefinition>::ptr vertical_segments(new aggregate_of<Ifc4x3_add2::IfcObjectDefinition>()); // business logic