Method createGroup

src/Mod/Import/App/ImportOCAF2.cpp:459–505

}

bool ImportOCAF2::createGroup(
    App::Document* doc,
    Info& info,
    const TopoDS_Shape& shape,
    std::vector<App::DocumentObject*>& children,
    const boost::dynamic_bitset<>& visibilities,
    bool canReduce
)
{
    assert(children.size() == visibilities.size());
    if (children.empty()) {
        return false;
    }
    bool hasColor = getColor(shape, info, false, true);
    if (canReduce && !hasColor && options.reduceObjects && children.size() == 1 && visibilities[0]) {
        info.obj = children.front();
        info.free = true;
        info.propPlacement = dynamic_cast<App::PropertyPlacement*>(
            info.obj->getPropertyByName("Placement")
        );
        myCollapsedObjects.emplace(info.obj, info.propPlacement);
        return true;
    }
    auto group = doc->addObject<App::LinkGroup>("LinkGroup");
    for (auto& child : children) {
        if (child->getDocument() != doc) {
            auto link = doc->addObject<App::Link>("Link");
            link->Label.setValue(child->Label.getValue());
            link->setLink(-1, child);
            auto pla = freecad_cast<App::PropertyPlacement*>(child->getPropertyByName("Placement"));
            if (pla) {
                link->Placement.setValue(pla->getValue());
            }
            child = link;
        }
    }
    group->ElementList.setValues(children);
    group->VisibilityList.setValue(visibilities);
    info.obj = group;
    info.propPlacement = &group->Placement;
    if (getColor(shape, info, false, true)) {
        if (info.hasFaceColor) {
            applyLinkColor(group, -1, info.faceColor);
        }
    }
    return true;
}

App::DocumentObject* ImportOCAF2::loadShapes()
{