void Mesh::setNodesConnectedByElements() { const size_t nNodes (this->_nodes.size()); for (unsigned i=0; i<nNodes; ++i) { MeshLib::Node* node (_nodes[i]); std::vector<MeshLib::Node*> conn_vec; const std::vector<MeshLib::Element*> &conn_elems (node->getElements()); const size_t nConnElems (conn_elems.size()); for (unsigned j=0; j<nConnElems; ++j) { const unsigned nElemNodes (conn_elems[j]->getNNodes()); for (unsigned k(0); k<nElemNodes; ++k) { bool is_in_vector (false); const MeshLib::Node* c_node (conn_elems[j]->getNode(k)); if (c_node == node) continue; const size_t nConnNodes (conn_vec.size()); for (unsigned l(0); l<nConnNodes; ++l) if (c_node == conn_vec[l]) is_in_vector = true; if (!is_in_vector) conn_vec.push_back(_nodes[c_node->getID()]); } } node->setConnectedNodes(conn_vec); } }
void Mesh::setNodesConnectedByEdges() { const std::size_t nNodes (this->_nodes.size()); for (unsigned i=0; i<nNodes; ++i) { MeshLib::Node* node (_nodes[i]); std::vector<MeshLib::Node*> conn_set; const std::vector<MeshLib::Element*> &conn_elems (node->getElements()); const std::size_t nConnElems (conn_elems.size()); for (unsigned j=0; j<nConnElems; ++j) { const unsigned idx (conn_elems[j]->getNodeIDinElement(node)); const unsigned nElemNodes (conn_elems[j]->getNBaseNodes()); for (unsigned k(0); k<nElemNodes; ++k) { bool is_in_vector (false); const std::size_t nConnNodes (conn_set.size()); for (unsigned l(0); l<nConnNodes; ++l) if (conn_elems[j]->getNode(k) == conn_set[l]) is_in_vector = true; if (is_in_vector) continue; if (conn_elems[j]->isEdge(idx, k)) //TODO doesn't work with higher order nodes conn_set.push_back(_nodes[conn_elems[j]->getNode(k)->getID()]); } } node->setConnectedNodes(conn_set); } }
int main(int argc, char *argv[]) { ApplicationsLib::LogogSetup logog_setup; TCLAP::CmdLine cmd( "Query mesh information.\n\n" "OpenGeoSys-6 software, version " + BaseLib::BuildInfo::git_describe + ".\n" "Copyright (c) 2012-2019, OpenGeoSys Community " "(http://www.opengeosys.org)", ' ', BaseLib::BuildInfo::git_describe); TCLAP::UnlabeledValueArg<std::string> mesh_arg("mesh-file","input mesh file",true,"","string"); cmd.add( mesh_arg ); TCLAP::MultiArg<std::size_t> eleId_arg("e","element-id","element ID",false,"number"); cmd.add( eleId_arg ); TCLAP::MultiArg<std::size_t> nodeId_arg("n","node-id","node ID",false,"number"); cmd.add( nodeId_arg ); TCLAP::SwitchArg showNodeWithMaxEle_arg("", "show-node-with-max-elements", "show a node having the max number of connected elements", false); cmd.add( showNodeWithMaxEle_arg ); cmd.parse( argc, argv ); const std::string filename(mesh_arg.getValue()); // read the mesh file auto const mesh = std::unique_ptr<MeshLib::Mesh>( MeshLib::IO::readMeshFromFile(filename)); if (!mesh) { return EXIT_FAILURE; } std::vector<std::size_t> selected_node_ids; if (showNodeWithMaxEle_arg.getValue()) { auto itr = std::max_element(mesh->getNodes().begin(), mesh->getNodes().end(), [](MeshLib::Node* i, MeshLib::Node* j) { return i->getNumberOfElements() < j->getNumberOfElements(); }); if (itr != mesh->getNodes().end()) { MeshLib::Node* node = *itr; selected_node_ids.push_back(node->getID()); } } selected_node_ids.insert(selected_node_ids.end(), nodeId_arg.getValue().begin(), nodeId_arg.getValue().end()); auto const materialIds = materialIDs(*mesh); for (auto ele_id : eleId_arg.getValue()) { std::stringstream out; out << std::scientific << std::setprecision(std::numeric_limits<double>::digits10); out << "--------------------------------------------------------" << std::endl; auto* ele = mesh->getElement(ele_id); out << "# Element " << ele->getID() << std::endl; out << "Type : " << CellType2String(ele->getCellType()) << std::endl; if (materialIds) { out << "Mat ID : " << (*materialIds)[ele_id] << std::endl; } out << "Nodes: " << std::endl; for (unsigned i = 0; i < ele->getNumberOfNodes(); i++) { out << ele->getNode(i)->getID() << " " << *ele->getNode(i) << std::endl; } out << "Content: " << ele->getContent() << std::endl; out << "Neighbors: "; for (unsigned i=0; i<ele->getNumberOfNeighbors(); i++) { if (ele->getNeighbor(i)) { out << ele->getNeighbor(i)->getID() << " "; } else { out << "none "; } } out << std::endl; INFO("%s", out.str().c_str()); } for (auto node_id : selected_node_ids) { std::stringstream out; out << std::scientific << std::setprecision(std::numeric_limits<double>::digits10); out << "--------------------------------------------------------" << std::endl; MeshLib::Node const* node = mesh->getNode(node_id); out << "# Node " << node->getID() << std::endl; out << "Coordinates: " << *node << std::endl; out << "Connected elements (" << node->getNumberOfElements() << "): "; for (auto ele : node->getElements()) { out << ele->getID() << " "; } out << std::endl; out << "Connected nodes (" << node->getConnectedNodes().size() << "): "; for (auto nd : node->getConnectedNodes()) { out << nd->getID() << " "; } out << std::endl; INFO("%s", out.str().c_str()); } }