MeshLib::Mesh* appendLinesAlongPolylines(const MeshLib::Mesh &mesh, const GeoLib::PolylineVec &ply_vec)
{
// copy existing nodes and elements
std::vector<MeshLib::Node*> vec_new_nodes = MeshLib::copyNodeVector(mesh.getNodes());
std::vector<MeshLib::Element*> vec_new_eles = MeshLib::copyElementVector(mesh.getElements(), vec_new_nodes);
unsigned max_matID = 0;
for (auto e : vec_new_eles)
max_matID = std::max(max_matID, e->getValue());
const size_t n_ply (ply_vec.size());
// for each polyline
for (size_t k(0); k < n_ply; k++)
{
const GeoLib::Polyline* ply = (*ply_vec.getVector())[k];
// search nodes on the polyline
MeshGeoToolsLib::MeshNodesAlongPolyline mshNodesAlongPoly(mesh, *ply, mesh.getMinEdgeLength()*0.5);
auto &vec_nodes_on_ply = mshNodesAlongPoly.getNodeIDs();
if (vec_nodes_on_ply.empty()) {
std::string ply_name;
ply_vec.getNameOfElementByID(k, ply_name);
INFO("No nodes found on polyline %s", ply_name.c_str());
continue;
}
// add line elements
for (size_t i=0; i<vec_nodes_on_ply.size()-1; i++) {
std::array<MeshLib::Node*, 2> element_nodes;
element_nodes[0] = vec_new_nodes[vec_nodes_on_ply[i]];
element_nodes[1] = vec_new_nodes[vec_nodes_on_ply[i+1]];
vec_new_eles.push_back(new MeshLib::Line(element_nodes, max_matID+k+1));
}
}
// generate a mesh
const std::string new_mesh_name = mesh.getName() + "_with_lines";
return new MeshLib::Mesh(new_mesh_name, vec_new_nodes, vec_new_eles);
}
std::unique_ptr<MeshLib::Mesh> appendLinesAlongPolylines(
const MeshLib::Mesh& mesh, const GeoLib::PolylineVec& ply_vec)
{
// copy existing nodes and elements
std::vector<MeshLib::Node*> vec_new_nodes = MeshLib::copyNodeVector(mesh.getNodes());
std::vector<MeshLib::Element*> vec_new_eles = MeshLib::copyElementVector(mesh.getElements(), vec_new_nodes);
auto const material_ids = materialIDs(mesh);
int const max_matID =
material_ids
? *(std::max_element(begin(*material_ids), end(*material_ids)))
: 0;
std::vector<int> new_mat_ids;
const std::size_t n_ply (ply_vec.size());
// for each polyline
for (std::size_t k(0); k < n_ply; k++)
{
const GeoLib::Polyline* ply = (*ply_vec.getVector())[k];
// search nodes on the polyline
MeshGeoToolsLib::MeshNodesAlongPolyline mshNodesAlongPoly(
mesh, *ply, mesh.getMinEdgeLength() * 0.5,
MeshGeoToolsLib::SearchAllNodes::Yes);
auto &vec_nodes_on_ply = mshNodesAlongPoly.getNodeIDs();
if (vec_nodes_on_ply.empty()) {
std::string ply_name;
ply_vec.getNameOfElementByID(k, ply_name);
INFO("No nodes found on polyline %s", ply_name.c_str());
continue;
}
// add line elements
for (std::size_t i=0; i<vec_nodes_on_ply.size()-1; i++) {
std::array<MeshLib::Node*, 2> element_nodes;
element_nodes[0] = vec_new_nodes[vec_nodes_on_ply[i]];
element_nodes[1] = vec_new_nodes[vec_nodes_on_ply[i+1]];
vec_new_eles.push_back(
new MeshLib::Line(element_nodes, vec_new_eles.size()));
new_mat_ids.push_back(max_matID+k+1);
}
}
// generate a mesh
const std::string name = mesh.getName() + "_with_lines";
auto new_mesh =
std::make_unique<MeshLib::Mesh>(name, vec_new_nodes, vec_new_eles);
auto new_material_ids =
new_mesh->getProperties().createNewPropertyVector<int>(
"MaterialIDs", MeshLib::MeshItemType::Cell);
if (!new_material_ids)
{
OGS_FATAL("Could not create MaterialIDs cell vector in new mesh.");
}
new_material_ids->reserve(new_mesh->getNumberOfElements());
if (material_ids != nullptr)
{
std::copy(begin(*material_ids), end(*material_ids),
std::back_inserter(*new_material_ids));
}
else
{
new_material_ids->resize(mesh.getNumberOfElements());
}
std::copy(begin(new_mat_ids), end(new_mat_ids),
std::back_inserter(*new_material_ids));
return new_mesh;
}
std::unique_ptr<MeshLib::Mesh> appendLinesAlongPolylines(
const MeshLib::Mesh& mesh, const GeoLib::PolylineVec& ply_vec)
{
// copy existing nodes and elements
std::vector<MeshLib::Node*> vec_new_nodes = MeshLib::copyNodeVector(mesh.getNodes());
std::vector<MeshLib::Element*> vec_new_eles = MeshLib::copyElementVector(mesh.getElements(), vec_new_nodes);
std::vector<int> new_mat_ids;
{
if (mesh.getProperties().existsPropertyVector<int>("MaterialIDs")) {
auto ids =
mesh.getProperties().getPropertyVector<int>("MaterialIDs");
new_mat_ids.reserve(ids->size());
std::copy(ids->cbegin(), ids->cend(),
std::back_inserter(new_mat_ids));
}
}
int max_matID(0);
if (!new_mat_ids.empty())
max_matID = *(std::max_element(new_mat_ids.cbegin(), new_mat_ids.cend()));
const std::size_t n_ply (ply_vec.size());
// for each polyline
for (std::size_t k(0); k < n_ply; k++)
{
const GeoLib::Polyline* ply = (*ply_vec.getVector())[k];
// search nodes on the polyline
MeshGeoToolsLib::MeshNodesAlongPolyline mshNodesAlongPoly(
mesh, *ply, mesh.getMinEdgeLength() * 0.5,
MeshGeoToolsLib::SearchAllNodes::Yes);
auto &vec_nodes_on_ply = mshNodesAlongPoly.getNodeIDs();
if (vec_nodes_on_ply.empty()) {
std::string ply_name;
ply_vec.getNameOfElementByID(k, ply_name);
INFO("No nodes found on polyline %s", ply_name.c_str());
continue;
}
// add line elements
for (std::size_t i=0; i<vec_nodes_on_ply.size()-1; i++) {
std::array<MeshLib::Node*, 2> element_nodes;
element_nodes[0] = vec_new_nodes[vec_nodes_on_ply[i]];
element_nodes[1] = vec_new_nodes[vec_nodes_on_ply[i+1]];
vec_new_eles.push_back(
new MeshLib::Line(element_nodes, vec_new_eles.size()));
new_mat_ids.push_back(max_matID+k+1);
}
}
// generate a mesh
const std::string name = mesh.getName() + "_with_lines";
auto new_mesh =
std::make_unique<MeshLib::Mesh>(name, vec_new_nodes, vec_new_eles);
auto opt_mat_pv = new_mesh->getProperties().createNewPropertyVector<int>(
"MaterialIDs", MeshLib::MeshItemType::Cell);
if (opt_mat_pv) {
auto & mat_pv = *opt_mat_pv;
mat_pv.reserve(new_mat_ids.size());
std::copy(new_mat_ids.cbegin(), new_mat_ids.cend(),
std::back_inserter(mat_pv));
}
return new_mesh;
}
