void MeshSurfaceExtraction::getSurfaceAreaForNodes(const MeshLib::Mesh &mesh, std::vector<double> &node_area_vec)
{
if (mesh.getDimension() == 2)
{
double total_area (0);
// for each node, a vector containing all the element idget every element
const std::vector<MeshLib::Node*> &nodes = mesh.getNodes();
const size_t nNodes ( mesh.getNNodes() );
node_area_vec.reserve(nNodes);
for (size_t n=0; n<nNodes; ++n)
{
double node_area (0);
std::vector<MeshLib::Element*> conn_elems = nodes[n]->getElements();
const size_t nConnElems (conn_elems.size());
for (size_t i=0; i<nConnElems; ++i)
{
const MeshLib::Element* elem (conn_elems[i]);
const unsigned nElemParts = (elem->getGeomType() == MeshElemType::TRIANGLE) ? 3 : 4;
const double area = conn_elems[i]->getContent() / nElemParts;
node_area += area;
total_area += area;
}
node_area_vec.push_back(node_area);
}
INFO ("Total surface Area: %f", total_area);
}
else
ERR ("Error in MeshSurfaceExtraction::getSurfaceAreaForNodes() - Given mesh is no surface mesh (dimension != 2).");
}
bool convertMeshToGeo(const MeshLib::Mesh &mesh, GeoLib::GEOObjects &geo_objects, double eps)
{
if (mesh.getDimension() != 2)
{
ERR ("Mesh to geometry conversion is only working for 2D meshes.");
return false;
}
// nodes to points conversion
std::string mesh_name(mesh.getName());
{
auto points = std::make_unique<std::vector<GeoLib::Point*>>();
points->reserve(mesh.getNumberOfNodes());
for (auto node_ptr : mesh.getNodes())
points->push_back(new GeoLib::Point(*node_ptr, node_ptr->getID()));
geo_objects.addPointVec(std::move(points), mesh_name, nullptr, eps);
}
const std::vector<std::size_t> id_map (geo_objects.getPointVecObj(mesh_name)->getIDMap());
// elements to surface triangles conversion
std::string const mat_name ("MaterialIDs");
auto bounds (MeshInformation::getValueBounds<int>(mesh, mat_name));
const unsigned nMatGroups(bounds.second-bounds.first+1);
auto sfcs = std::make_unique<std::vector<GeoLib::Surface*>>();
sfcs->reserve(nMatGroups);
auto const& points = *geo_objects.getPointVec(mesh_name);
for (unsigned i=0; i<nMatGroups; ++i)
sfcs->push_back(new GeoLib::Surface(points));
const std::vector<MeshLib::Element*> &elements = mesh.getElements();
const std::size_t nElems (mesh.getNumberOfElements());
MeshLib::PropertyVector<int> const*const materialIds =
mesh.getProperties().existsPropertyVector<int>("MaterialIDs")
? mesh.getProperties().getPropertyVector<int>("MaterialIDs")
: nullptr;
for (unsigned i=0; i<nElems; ++i)
{
auto surfaceId = !materialIds ? 0 : ((*materialIds)[i] - bounds.first);
MeshLib::Element* e (elements[i]);
if (e->getGeomType() == MeshElemType::TRIANGLE)
(*sfcs)[surfaceId]->addTriangle(id_map[e->getNodeIndex(0)], id_map[e->getNodeIndex(1)], id_map[e->getNodeIndex(2)]);
if (e->getGeomType() == MeshElemType::QUAD)
{
(*sfcs)[surfaceId]->addTriangle(id_map[e->getNodeIndex(0)], id_map[e->getNodeIndex(1)], id_map[e->getNodeIndex(2)]);
(*sfcs)[surfaceId]->addTriangle(id_map[e->getNodeIndex(0)], id_map[e->getNodeIndex(2)], id_map[e->getNodeIndex(3)]);
}
// all other element types are ignored (i.e. lines)
}
std::for_each(sfcs->begin(), sfcs->end(), [](GeoLib::Surface* sfc){ if (sfc->getNumberOfTriangles()==0) delete sfc; sfc = nullptr;});
auto sfcs_end = std::remove(sfcs->begin(), sfcs->end(), nullptr);
sfcs->erase(sfcs_end, sfcs->end());
geo_objects.addSurfaceVec(std::move(sfcs), mesh_name);
return true;
}
GlobalSparsityPattern computeSparsityPatternNonPETSc(
NumLib::LocalToGlobalIndexMap const& dof_table, MeshLib::Mesh const& mesh)
{
MeshLib::NodeAdjacencyTable node_adjacency_table;
node_adjacency_table.createTable(mesh.getNodes());
// A mapping mesh node id -> global indices
// It acts as a cache for dof table queries.
std::vector<std::vector<GlobalIndexType>> global_idcs;
global_idcs.reserve(mesh.getNumberOfNodes());
for (std::size_t n = 0; n < mesh.getNumberOfNodes(); ++n)
{
MeshLib::Location l(mesh.getID(), MeshLib::MeshItemType::Node, n);
global_idcs.push_back(dof_table.getGlobalIndices(l));
}
GlobalSparsityPattern sparsity_pattern(dof_table.dofSizeWithGhosts());
// Map adjacent mesh nodes to "adjacent global indices".
for (std::size_t n = 0; n < mesh.getNumberOfNodes(); ++n)
{
unsigned n_connected_dof = 0;
for (auto an : node_adjacency_table.getAdjacentNodes(n))
n_connected_dof += global_idcs[an].size();
for (auto global_index : global_idcs[n])
sparsity_pattern[global_index] = n_connected_dof;
}
return sparsity_pattern;
}
bool MeshLayerMapper::layerMapping(MeshLib::Mesh &new_mesh, GeoLib::Raster const& raster, double noDataReplacementValue = 0.0)
{
if (new_mesh.getDimension() != 2)
{
ERR("MshLayerMapper::layerMapping() - requires 2D mesh");
return false;
}
GeoLib::RasterHeader const& header (raster.getHeader());
const double x0(header.origin[0]);
const double y0(header.origin[1]);
const double delta(header.cell_size);
const std::pair<double, double> xDim(x0, x0 + header.n_cols * delta); // extension in x-dimension
const std::pair<double, double> yDim(y0, y0 + header.n_rows * delta); // extension in y-dimension
const std::size_t nNodes (new_mesh.getNumberOfNodes());
const std::vector<MeshLib::Node*> &nodes = new_mesh.getNodes();
for (unsigned i = 0; i < nNodes; ++i)
{
if (!raster.isPntOnRaster(*nodes[i]))
{
// use either default value or elevation from layer above
nodes[i]->updateCoordinates((*nodes[i])[0], (*nodes[i])[1], noDataReplacementValue);
continue;
}
double elevation (raster.interpolateValueAtPoint(*nodes[i]));
if (std::abs(elevation - header.no_data) < std::numeric_limits<double>::epsilon())
elevation = noDataReplacementValue;
nodes[i]->updateCoordinates((*nodes[i])[0], (*nodes[i])[1], elevation);
}
return true;
}
void LayeredVolume::addLayerToMesh(const MeshLib::Mesh &dem_mesh, unsigned layer_id, GeoLib::Raster const& raster)
{
const std::size_t nNodes (dem_mesh.getNNodes());
const std::vector<MeshLib::Node*> &nodes (dem_mesh.getNodes());
const std::size_t node_id_offset (_nodes.size());
const std::size_t last_layer_node_offset (node_id_offset-nNodes);
for (std::size_t i=0; i<nNodes; ++i)
_nodes.push_back(getNewLayerNode(*nodes[i], *_nodes[last_layer_node_offset + i], raster, _nodes.size()));
const std::vector<MeshLib::Element*> &layer_elements (dem_mesh.getElements());
for (MeshLib::Element* elem : layer_elements)
{
if (elem->getGeomType() == MeshLib::MeshElemType::TRIANGLE)
{
std::array<MeshLib::Node*,3> tri_nodes = {{ _nodes[node_id_offset+elem->getNodeIndex(0)],
_nodes[node_id_offset+elem->getNodeIndex(1)],
_nodes[node_id_offset+elem->getNodeIndex(2)] }};
_elements.push_back(new MeshLib::Tri(tri_nodes, layer_id));
}
else if (elem->getGeomType() == MeshLib::MeshElemType::QUAD)
{
std::array<MeshLib::Node*,4> quad_nodes = {{ _nodes[node_id_offset+elem->getNodeIndex(0)],
_nodes[node_id_offset+elem->getNodeIndex(1)],
_nodes[node_id_offset+elem->getNodeIndex(2)],
_nodes[node_id_offset+elem->getNodeIndex(3)] }};
_elements.push_back(new MeshLib::Quad(quad_nodes, layer_id));
}
}
}
std::vector<GeoLib::PointWithID*> MshEditor::getSurfaceNodes(const MeshLib::Mesh &mesh, const double *dir)
{
INFO ("Extracting surface nodes...");
const std::vector<MeshLib::Element*> all_elements (mesh.getElements());
const std::vector<MeshLib::Node*> all_nodes (mesh.getNodes());
std::vector<MeshLib::Element*> sfc_elements;
get2DSurfaceElements(all_elements, sfc_elements, dir, mesh.getDimension());
std::vector<MeshLib::Node*> sfc_nodes;
std::vector<unsigned> node_id_map(mesh.getNNodes());
get2DSurfaceNodes(all_nodes, sfc_nodes, sfc_elements, node_id_map);
const unsigned nElements (sfc_elements.size());
for (unsigned i=0; i<nElements; ++i)
delete sfc_elements[i];
const size_t nNodes (sfc_nodes.size());
std::vector<GeoLib::PointWithID*> surface_pnts(nNodes);
for (unsigned i=0; i<nNodes; ++i)
{
surface_pnts[i] = new GeoLib::PointWithID(sfc_nodes[i]->getCoords(), sfc_nodes[i]->getID());
delete sfc_nodes[i];
}
return surface_pnts;
}
bool MeshLayerMapper::mapToStaticValue(MeshLib::Mesh &mesh, double value)
{
if (mesh.getDimension() != 2)
{
ERR("MshLayerMapper::mapToStaticValue() - requires 2D mesh");
return false;
}
std::vector<MeshLib::Node*> const& nodes (mesh.getNodes());
for (MeshLib::Node* node : nodes)
node->updateCoordinates((*node)[0], (*node)[1], value);
return true;
}
void
detectHoles(MeshLib::Mesh const& mesh,
std::vector<std::size_t> erase_elems,
std::size_t const expected_n_holes)
{
std::vector<MeshLib::Node*> nodes = MeshLib::copyNodeVector(mesh.getNodes());
std::vector<MeshLib::Element*> elems = MeshLib::copyElementVector(mesh.getElements(),nodes);
for (auto pos : erase_elems)
{
delete elems[pos];
elems.erase(elems.begin()+pos);
}
MeshLib::Mesh mesh2("mesh2", nodes, elems);
ASSERT_EQ(expected_n_holes, MeshLib::MeshValidation::detectHoles(mesh2));
};
DirichletBoundaryConditionWithinTimeInterval::
DirichletBoundaryConditionWithinTimeInterval(
std::unique_ptr<BaseLib::TimeInterval> time_interval,
Parameter<double> const& parameter, MeshLib::Mesh const& bc_mesh,
NumLib::LocalToGlobalIndexMap const& dof_table_bulk,
int const variable_id, int const component_id)
: _parameter(parameter),
_bc_mesh(bc_mesh),
_nodes_in_bc_mesh(bc_mesh.getNodes()),
_variable_id(variable_id),
_component_id(component_id),
_time_interval(std::move(time_interval))
{
config(dof_table_bulk);
}
bool LayeredVolume::createRasterLayers(const MeshLib::Mesh &mesh,
const std::vector<GeoLib::Raster const*> &rasters,
double minimum_thickness,
double noDataReplacementValue)
{
if (mesh.getDimension() != 2)
return false;
_elevation_epsilon = calcEpsilon(*rasters[0], *rasters.back());
if (_elevation_epsilon <= 0)
return false;
// remove line elements, only tri + quad remain
MeshLib::ElementSearch ex(mesh);
ex.searchByElementType(MeshLib::MeshElemType::LINE);
MeshLib::Mesh* top (removeElements(mesh, ex.getSearchedElementIDs(), "MeshLayer"));
if (top==nullptr)
top = new MeshLib::Mesh(mesh);
if (!MeshLib::MeshLayerMapper::layerMapping(*top, *rasters.back(), noDataReplacementValue))
return false;
MeshLib::Mesh* bottom (new MeshLib::Mesh(*top));
if (!MeshLib::MeshLayerMapper::layerMapping(*bottom, *rasters[0], 0))
{
delete top;
return false;
}
this->_minimum_thickness = minimum_thickness;
_nodes = MeshLib::copyNodeVector(bottom->getNodes());
_elements = MeshLib::copyElementVector(bottom->getElements(), _nodes);
delete bottom;
// map each layer and attach to subsurface mesh
const std::size_t nRasters (rasters.size());
for (std::size_t i=1; i<nRasters; ++i)
this->addLayerToMesh(*top, i, *rasters[i]);
// close boundaries between layers
this->addLayerBoundaries(*top, nRasters);
this->removeCongruentElements(nRasters, top->getNElements());
delete top;
return true;
}
/// Returns a vector of values where each value is associated with a
/// particular node. Since a node is part of elements, it is possible to
/// assign an area per element to this node. Each value of the return vector
/// is the sum of the assigned area (per element) multiplied by the property
/// value of the element.
/// @param mesh a surface mesh containing a property \c prop_name assigned
/// to cells
/// @param prop_name name of the cell based property within the \c mesh
/// @return vector of integration values associated to the surface mesh nodes
std::vector<double> getSurfaceIntegratedValuesForNodes(
const MeshLib::Mesh& mesh, std::string const& prop_name)
{
if (mesh.getDimension() != 2)
{
ERR("Error in "
"MeshSurfaceExtraction::getSurfaceIntegratedValuesForNodes() - "
"Given mesh is no surface mesh (dimension != 2).");
return std::vector<double>();
}
if (!mesh.getProperties().existsPropertyVector<double>(prop_name))
{
ERR("Need element property, but the property '%s' is not "
"available.",
prop_name.c_str());
return std::vector<double>();
}
auto const* const elem_pv = mesh.getProperties().getPropertyVector<double>(
prop_name, MeshLib::MeshItemType::Cell, 1);
std::vector<double> integrated_node_area_vec;
double total_area(0);
for (auto const* node : mesh.getNodes())
{
double node_area(0);
double integrated_node_area(0);
for (auto const& connected_elem : node->getElements())
{
double const area = connected_elem->getContent() /
connected_elem->getNumberOfBaseNodes();
node_area += area;
integrated_node_area += area * (*elem_pv)[connected_elem->getID()];
total_area += area;
}
integrated_node_area_vec.push_back(integrated_node_area);
}
INFO ("Total surface area: %g", total_area);
return integrated_node_area_vec;
}
ExtrapolationTestProcess(MeshLib::Mesh const& mesh,
unsigned const integration_order)
: _integration_order(integration_order),
_mesh_subset_all_nodes(mesh, mesh.getNodes())
{
std::vector<MeshLib::MeshSubset> all_mesh_subsets{
_mesh_subset_all_nodes};
_dof_table = std::make_unique<NumLib::LocalToGlobalIndexMap>(
std::move(all_mesh_subsets), NumLib::ComponentOrder::BY_COMPONENT);
// Passing _dof_table works, because this process has only one variable
// and the variable has exactly one component.
_extrapolator =
std::make_unique<ExtrapolatorImplementation>(*_dof_table);
// createAssemblers(mesh);
ProcessLib::createLocalAssemblers<LocalAssemblerData>(
mesh.getDimension(), mesh.getElements(), *_dof_table, 1,
_local_assemblers, mesh.isAxiallySymmetric(), _integration_order);
}
SparsityPattern
computeSparsityPattern(LocalToGlobalIndexMap const& dof_table,
MeshLib::Mesh const& mesh
)
{
MeshLib::NodeAdjacencyTable node_adjacency_table;
node_adjacency_table.createTable(mesh.getNodes());
// A mapping mesh node id -> global indices
// It acts as a cache for dof table queries.
std::vector<std::vector<GlobalIndexType> > global_idcs;
global_idcs.reserve(mesh.getNNodes());
for (std::size_t n=0; n<mesh.getNNodes(); ++n)
{
MeshLib::Location l(mesh.getID(), MeshLib::MeshItemType::Node, n);
global_idcs.push_back(dof_table.getGlobalIndices(l));
}
SparsityPattern sparsity_pattern(dof_table.dofSize());
// Map adjacent mesh nodes to "adjacent global indices".
for (std::size_t n=0; n<mesh.getNNodes(); ++n)
{
auto const& node_ids = node_adjacency_table.getAdjacentNodes(n);
for (auto an : node_ids) {
auto const& row_ids = global_idcs[an];
auto const num_components = row_ids.size();
for (auto r : row_ids) {
// Each component leads to an entry in the row.
// For the sparsity pattern only the number of entries are needed.
sparsity_pattern[r] += num_components;
}
}
}
return sparsity_pattern;
}
TEST(MeshLib, Duplicate)
{
MeshLib::Mesh* mesh (MeshLib::MeshGenerator::generateRegularQuadMesh(10, 5, 1));
std::vector<MeshLib::Node*> new_nodes (MeshLib::copyNodeVector(mesh->getNodes()));
std::vector<MeshLib::Element*> new_elements (MeshLib::copyElementVector(mesh->getElements(), new_nodes));
MeshLib::Mesh new_mesh ("new", new_nodes, new_elements);
ASSERT_EQ (mesh->getNElements(), new_mesh.getNElements());
ASSERT_EQ (mesh->getNNodes(), new_mesh.getNNodes());
std::vector<std::size_t> del_idx(1,1);
MeshLib::removeMeshNodes(*mesh, del_idx);
ASSERT_EQ (mesh->getNElements(), new_mesh.getNElements()-2);
ASSERT_EQ (mesh->getNNodes(), new_mesh.getNNodes()-2);
ASSERT_DOUBLE_EQ (4.0, MathLib::sqrDist(*mesh->getNode(0), *new_mesh.getNode(0)));
ASSERT_DOUBLE_EQ (0.0, MathLib::sqrDist(*mesh->getNode(0), *new_mesh.getNode(2)));
ASSERT_DOUBLE_EQ (4.0, MathLib::sqrDist(*mesh->getElement(0)->getNode(0), *new_mesh.getElement(0)->getNode(0)));
ASSERT_DOUBLE_EQ (0.0, MathLib::sqrDist(*mesh->getElement(0)->getNode(0), *new_mesh.getElement(2)->getNode(0)));
}
SurfaceFlux::SurfaceFlux(
MeshLib::Mesh& boundary_mesh,
std::size_t bulk_property_number_of_components,
unsigned const integration_order)
{
DBUG("Create local balance assemblers.");
// Populate the vector of local assemblers.
_local_assemblers.resize(boundary_mesh.getElements().size());
// needed to create dof table
auto mesh_subset_all_nodes = std::make_unique<MeshLib::MeshSubset>(
boundary_mesh, boundary_mesh.getNodes());
// Collect the mesh subsets in a vector.
std::vector<MeshLib::MeshSubset> all_mesh_subsets;
std::generate_n(std::back_inserter(all_mesh_subsets),
bulk_property_number_of_components,
[&]() { return *mesh_subset_all_nodes; });
// needed for creation of local assemblers
auto dof_table = std::make_unique<NumLib::LocalToGlobalIndexMap const>(
std::move(all_mesh_subsets), NumLib::ComponentOrder::BY_LOCATION);
auto const bulk_element_ids =
boundary_mesh.getProperties().template getPropertyVector<std::size_t>(
"bulk_element_ids", MeshLib::MeshItemType::Cell, 1);
auto const bulk_face_ids =
boundary_mesh.getProperties().template getPropertyVector<std::size_t>(
"bulk_face_ids", MeshLib::MeshItemType::Cell, 1);
ProcessLib::createLocalAssemblers<SurfaceFluxLocalAssembler>(
boundary_mesh.getDimension() + 1, // or bulk_mesh.getDimension()?
boundary_mesh.getElements(), *dof_table, 1, _local_assemblers,
boundary_mesh.isAxiallySymmetric(), integration_order,
*bulk_element_ids, *bulk_face_ids);
}
const GeoLib::AABB<MeshLib::Node> MeshInformation::getBoundingBox(const MeshLib::Mesh &mesh)
{
const std::vector<MeshLib::Node*> &nodes (mesh.getNodes());
return GeoLib::AABB<MeshLib::Node>(nodes.begin(), nodes.end());
}
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;
}
int main(int argc, char *argv[])
{
LOGOG_INITIALIZE();
BaseLib::LogogSimpleFormatter *custom_format (new BaseLib::LogogSimpleFormatter);
logog::Cout *logogCout(new logog::Cout);
logogCout->SetFormatter(*custom_format);
TCLAP::CmdLine cmd("Moves the mesh nodes using the given displacement vector or if no displacement vector is given, moves the mesh nodes such that the centroid of the given mesh is in the origin.", ' ', "0.1");
// Define a value argument and add it to the command line.
// A value arg defines a flag and a type of value that it expects,
// such as "-m meshfile".
TCLAP::ValueArg<std::string> mesh_arg("m","mesh","input mesh file",true,"","string");
// Add the argument mesh_arg to the CmdLine object. The CmdLine object
// uses this Arg to parse the command line.
cmd.add( mesh_arg );
TCLAP::ValueArg<double> x_arg("x","x","displacement in x direction", false, 0.0,"floating point number");
cmd.add(x_arg);
TCLAP::ValueArg<double> y_arg("y","y","displacement in y direction", false, 0.0,"floating point number");
cmd.add(y_arg);
TCLAP::ValueArg<double> z_arg("z","z","displacement in z direction", false, 0.0,"floating point number");
cmd.add(z_arg);
TCLAP::ValueArg<std::string> mesh_out_arg("o","output-mesh","output mesh file", false, "", "string");
cmd.add(mesh_out_arg);
cmd.parse( argc, argv );
std::string fname (mesh_arg.getValue());
MeshLib::Mesh* mesh = FileIO::readMeshFromFile(fname);
MeshLib::Node displacement(0.0, 0.0, 0.0);
if (fabs(x_arg.getValue()) < std::numeric_limits<double>::epsilon()
&& fabs(y_arg.getValue()) < std::numeric_limits<double>::epsilon()
&& fabs(z_arg.getValue()) < std::numeric_limits<double>::epsilon()) {
GeoLib::AABB<MeshLib::Node> aabb(mesh->getNodes().begin(), mesh->getNodes().end());
displacement[0] = -(aabb.getMaxPoint()[0] + aabb.getMinPoint()[0])/2.0;
displacement[1] = -(aabb.getMaxPoint()[1] + aabb.getMinPoint()[1])/2.0;
displacement[2] = -(aabb.getMaxPoint()[2] + aabb.getMinPoint()[2])/2.0;
} else {
displacement[0] = x_arg.getValue();
displacement[1] = y_arg.getValue();
displacement[2] = z_arg.getValue();
}
INFO("translate model (%f, %f, %f).", displacement[0], displacement[1], displacement[2]);
MeshLib::moveMeshNodes(
mesh->getNodes().begin(),
mesh->getNodes().end(),
displacement);
std::string out_fname(mesh_out_arg.getValue());
if (out_fname.empty()) {
out_fname = BaseLib::dropFileExtension(mesh_out_arg.getValue());
out_fname += "_displaced.vtu";
}
FileIO::VtuInterface mesh_io(mesh);
mesh_io.writeToFile(out_fname);
delete mesh;
delete logogCout;
delete custom_format;
LOGOG_SHUTDOWN();
}
PostProcessTool::PostProcessTool(
MeshLib::Mesh const& org_mesh,
std::vector<MeshLib::Node*> const& vec_fracture_nodes,
std::vector<MeshLib::Element*> const& vec_fracutre_matrix_elements)
:_org_mesh(org_mesh)
{
if (!org_mesh.getProperties().hasPropertyVector("displacement")
|| !org_mesh.getProperties().hasPropertyVector("displacement_jump1")
|| !org_mesh.getProperties().hasPropertyVector("levelset1")
)
{
OGS_FATAL("The given mesh does not have relevant properties");
}
// clone nodes and elements
std::vector<MeshLib::Node*> new_nodes(MeshLib::copyNodeVector(org_mesh.getNodes()));
std::vector<MeshLib::Element*> new_eles(
MeshLib::copyElementVector(org_mesh.getElements(), new_nodes));
// duplicate fracture nodes
for (auto const* org_node : vec_fracture_nodes)
{
auto duplicated_node = new MeshLib::Node(org_node->getCoords(), new_nodes.size());
new_nodes.push_back(duplicated_node);
_map_dup_newNodeIDs[org_node->getID()] = duplicated_node->getID();
}
// split elements using the new duplicated nodes
auto prop_levelset = org_mesh.getProperties().getPropertyVector<double>("levelset1");
for (auto const* org_e : vec_fracutre_matrix_elements)
{
// only matrix elements
if (org_e->getDimension() != org_mesh.getDimension())
continue;
auto const eid = org_e->getID();
// keep original if the element has levelset=0
if ((*prop_levelset)[eid] == 0)
continue;
// replace fracture nodes with duplicated ones
MeshLib::Element* e = new_eles[eid];
for (unsigned i=0; i<e->getNumberOfNodes(); i++)
{
// only fracture nodes
auto itr = _map_dup_newNodeIDs.find(e->getNodeIndex(i));
if (itr == _map_dup_newNodeIDs.end())
continue;
// check if a node belongs to the particular fracture group
auto itr2 = std::find_if(vec_fracture_nodes.begin(), vec_fracture_nodes.end(),
[&](MeshLib::Node const*node) { return node->getID()==e->getNodeIndex(i);});
if (itr2 == vec_fracture_nodes.end())
continue;
e->setNode(i, new_nodes[itr->second]);
}
}
// new mesh
_output_mesh.reset(new MeshLib::Mesh(org_mesh.getName(), new_nodes, new_eles));
createProperties<int>();
createProperties<double>();
copyProperties<int>();
copyProperties<double>();
calculateTotalDisplacement();
}
void MeshLayerMapper::addLayerToMesh(const MeshLib::Mesh &dem_mesh, unsigned layer_id, GeoLib::Raster const& raster)
{
const unsigned pyramid_base[3][4] =
{
{1, 3, 4, 2}, // Point 4 missing
{2, 4, 3, 0}, // Point 5 missing
{0, 3, 4, 1}, // Point 6 missing
};
std::size_t const nNodes = dem_mesh.getNumberOfNodes();
std::vector<MeshLib::Node*> const& nodes = dem_mesh.getNodes();
int const last_layer_node_offset = layer_id * nNodes;
// add nodes for new layer
for (std::size_t i=0; i<nNodes; ++i)
_nodes.push_back(getNewLayerNode(*nodes[i], *_nodes[last_layer_node_offset + i], raster, _nodes.size()));
std::vector<MeshLib::Element*> const& elems = dem_mesh.getElements();
std::size_t const nElems (dem_mesh.getNumberOfElements());
for (std::size_t i=0; i<nElems; ++i)
{
MeshLib::Element* elem (elems[i]);
if (elem->getGeomType() != MeshLib::MeshElemType::TRIANGLE)
continue;
unsigned node_counter(3), missing_idx(0);
std::array<MeshLib::Node*, 6> new_elem_nodes;
for (unsigned j=0; j<3; ++j)
{
new_elem_nodes[j] = _nodes[_nodes[last_layer_node_offset + elem->getNodeIndex(j)]->getID()];
new_elem_nodes[node_counter] = (_nodes[last_layer_node_offset + elem->getNodeIndex(j) + nNodes]);
if (new_elem_nodes[j]->getID() != new_elem_nodes[node_counter]->getID())
node_counter++;
else
missing_idx = j;
}
switch (node_counter)
{
case 6:
_elements.push_back(new MeshLib::Prism(new_elem_nodes));
_materials.push_back(layer_id);
break;
case 5:
std::array<MeshLib::Node*, 5> pyramid_nodes;
pyramid_nodes[0] = new_elem_nodes[pyramid_base[missing_idx][0]];
pyramid_nodes[1] = new_elem_nodes[pyramid_base[missing_idx][1]];
pyramid_nodes[2] = new_elem_nodes[pyramid_base[missing_idx][2]];
pyramid_nodes[3] = new_elem_nodes[pyramid_base[missing_idx][3]];
pyramid_nodes[4] = new_elem_nodes[missing_idx];
_elements.push_back(new MeshLib::Pyramid(pyramid_nodes));
_materials.push_back(layer_id);
break;
case 4:
std::array<MeshLib::Node*, 4> tet_nodes;
std::copy(new_elem_nodes.begin(), new_elem_nodes.begin() + node_counter, tet_nodes.begin());
_elements.push_back(new MeshLib::Tet(tet_nodes));
_materials.push_back(layer_id);
break;
default:
continue;
}
}
}
MeshLib::Node* getNode(std::size_t const i, std::size_t const j)
{
return mesh->getNodes()[i * n_nodes + j];
}
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;
}
int main (int argc, char* argv[])
{
LOGOG_INITIALIZE();
logog::Cout* logog_cout (new logog::Cout);
BaseLib::LogogSimpleFormatter *custom_format (new BaseLib::LogogSimpleFormatter);
logog_cout->SetFormatter(*custom_format);
TCLAP::CmdLine cmd("Remove mesh elements.", ' ', "0.1");
TCLAP::ValueArg<std::string> mesh_in("i", "mesh-input-file",
"the name of the file containing the input mesh", true,
"", "file name of input mesh");
cmd.add(mesh_in);
TCLAP::ValueArg<std::string> mesh_out("o", "mesh-output-file",
"the name of the file the mesh will be written to", true,
"", "file name of output mesh");
cmd.add(mesh_out);
TCLAP::SwitchArg zveArg("z", "zero-volume", "remove zero volume elements", false);
cmd.add(zveArg);
TCLAP::MultiArg<std::string> eleTypeArg("t", "element-type",
"element type to be removed", false, "element type");
cmd.add(eleTypeArg);
TCLAP::MultiArg<unsigned> matIDArg("m", "material-id",
"material id", false, "material id");
cmd.add(matIDArg);
cmd.parse(argc, argv);
MeshLib::Mesh* mesh (FileIO::readMeshFromFile(mesh_in.getValue()));
INFO("Mesh read: %d nodes, %d elements.", mesh->getNNodes(), mesh->getNElements());
// search elements IDs to be removed
std::vector<std::size_t> vec_elementIDs_removed;
if (zveArg.isSet()) {
std::vector<std::size_t> vec_matched = searchByZeroContent(mesh->getElements());
updateUnion(vec_matched, vec_elementIDs_removed);
INFO("%d zero volume elements found.", vec_matched.size());
}
if (eleTypeArg.isSet()) {
std::vector<std::string> eleTypeNames = eleTypeArg.getValue();
for (auto typeName : eleTypeNames) {
MeshElemType type = String2MeshElemType(typeName);
if (type == MeshElemType::INVALID) continue;
std::vector<std::size_t> vec_matched = searchByElementType(mesh->getElements(), type);
updateUnion(vec_matched, vec_elementIDs_removed);
INFO("%d %s elements found.", vec_matched.size(), typeName.c_str());
}
}
if (matIDArg.isSet()) {
std::vector<unsigned> vec_matID = matIDArg.getValue();
for (auto matID : vec_matID) {
std::vector<std::size_t> vec_matched = searchByMaterialID(mesh->getElements(), matID);
updateUnion(vec_matched, vec_elementIDs_removed);
INFO("%d elements with material ID %d found.", vec_matched.size(), matID);
}
}
// remove the elements
INFO("Removing total %d elements...", vec_elementIDs_removed.size());
std::vector<MeshLib::Element*> tmp_eles = excludeElements(mesh->getElements(), vec_elementIDs_removed);
INFO("%d elements remained.", tmp_eles.size());
std::vector<MeshLib::Node*> new_nodes;
std::vector<MeshLib::Element*> new_eles;
copyNodesElements(mesh->getNodes(), tmp_eles, new_nodes, new_eles);
// create a new mesh object. Unsued nodes are removed while construction
MeshLib::Mesh* new_mesh(new MeshLib::Mesh(mesh->getName(), new_nodes, new_eles));
// write into a file
FileIO::Legacy::MeshIO meshIO;
meshIO.setMesh(new_mesh);
meshIO.writeToFile(mesh_out.getValue());
delete custom_format;
delete logog_cout;
LOGOG_SHUTDOWN();
return 0;
}
int main(int argc, char *argv[])
{
LOGOG_INITIALIZE();
logog::Cout* logog_cout (new logog::Cout);
BaseLib::LogogSimpleFormatter *custom_format (new BaseLib::LogogSimpleFormatter);
logog_cout->SetFormatter(*custom_format);
TCLAP::CmdLine cmd("Simple mesh search test", ' ', "0.1");
// Define a value argument and add it to the command line.
// A value arg defines a flag and a type of value that it expects,
// such as "-m meshfile".
TCLAP::ValueArg<std::string> mesh_arg("m","mesh","input mesh file",true,"test.msh","string");
// Add the argument mesh_arg to the CmdLine object. The CmdLine object
// uses this Arg to parse the command line.
cmd.add( mesh_arg );
TCLAP::ValueArg<unsigned> number_arg("n","number-of-test-points","the number of test points",true,10000,"positive number");
cmd.add( number_arg );
TCLAP::ValueArg<bool> contiguous_arg("c","use-contiguous-memory","use a contiguous memory for the test",false,true,"yes or no | 1 or 0");
cmd.add( contiguous_arg );
cmd.parse( argc, argv );
std::string fname (mesh_arg.getValue());
FileIO::MeshIO mesh_io;
#ifndef WIN32
BaseLib::MemWatch mem_watch;
unsigned long mem_without_mesh (mem_watch.getVirtMemUsage());
#endif
BaseLib::RunTime run_time;
run_time.start();
MeshLib::Mesh* mesh (mesh_io.loadMeshFromFile(fname));
#ifndef WIN32
unsigned long mem_with_mesh (mem_watch.getVirtMemUsage());
INFO ("mem for mesh: %i MB", (mem_with_mesh - mem_without_mesh)/(1024*1024));
#endif
run_time.stop();
INFO ("time for reading: %f s", run_time.elapsed());
// *** preparing test data
std::vector<MeshLib::Node*> const& nodes(mesh->getNodes());
std::vector<GeoLib::Point*> pnts_for_search;
unsigned n(std::min(static_cast<unsigned>(nodes.size()), number_arg.getValue()));
for (size_t k(0); k<n; k++) {
pnts_for_search.push_back(new GeoLib::Point(nodes[k]->getCoords()));
}
std::vector<size_t> idx_found_nodes;
testMeshGridAlgorithm(mesh, pnts_for_search, idx_found_nodes, contiguous_arg.getValue());
for (size_t k(0); k<n; k++) {
delete pnts_for_search[k];
}
delete mesh;
delete custom_format;
delete logog_cout;
LOGOG_SHUTDOWN();
}