Method recursiveCSSubgraphs

src/App/Graphviz.cpp:510–557

        }

        void recursiveCSSubgraphs(DocumentObject* cs, DocumentObject* parent)
        {

            auto graph = parent ? GraphList[parent] : &DepList;
            // check if the value for the key 'parent' is null
            if (!graph) {
                return;
            }
            auto& sub = graph->create_subgraph();
            GraphList[cs] = ⊂
            get_property(sub, graph_name) = getClusterName(cs);

            // build random color string
            std::stringstream stream;
            stream << "#" << std::setfill('0') << std::setw(2) << std::hex << distribution(seed)
                   << std::setfill('0') << std::setw(2) << std::hex << distribution(seed)
                   << std::setfill('0') << std::setw(2) << std::hex << distribution(seed) << 80;
            std::string result(stream.str());

            get_property(sub, graph_graph_attribute)["bgcolor"] = result;
            get_property(sub, graph_graph_attribute)["style"] = "rounded,filled";
            setGraphLabel(sub, cs);

            for (auto obj : cs->getOutList()) {
                if (obj->hasExtension(GeoFeatureGroupExtension::getExtensionClassTypeId())) {
                    // in case of dependencies loops check if obj is already part of the
                    // map to avoid infinite recursions
                    auto it = GraphList.find(obj);
                    if (it == GraphList.end()) {
                        recursiveCSSubgraphs(obj, cs);
                    }
                }
            }

            // setup the origin if available
            if (cs->hasExtension(App::OriginGroupExtension::getExtensionClassTypeId())) {
                auto origin = cs->getExtensionByType<OriginGroupExtension>()->Origin.getValue();
                if (!origin) {
                    std::cerr << "Origin feature not found" << std::endl;
                    return;
                }
                auto& osub = sub.create_subgraph();
                GraphList[origin] = &osub;
                get_property(osub, graph_name) = getClusterName(origin);
                get_property(osub, graph_graph_attribute)["bgcolor"] = "none";
                setGraphLabel(osub, origin);
            }
        }

        void addSubgraphs()
        {