void createPolylines()
{
auto createPolyline = [](GeoLib::PointVec const& pnt_vec,
std::vector<GeoLib::Polyline*> & lines, std::size_t line_id,
std::vector<std::size_t> pnt_ids,
std::map<std::string,std::size_t> & line_name_map,
std::string const& name)
{
auto const & pnt_id_map(pnt_vec.getIDMap());
lines[line_id] = new GeoLib::Polyline(*(pnt_vec.getVector()));
for (std::size_t k(0); k<pnt_ids.size(); ++k) {
lines[line_id]->addPoint(pnt_id_map[pnt_ids[k]]);
}
if (!name.empty())
line_name_map.insert(std::make_pair(name, line_id));
};
auto const& pnt_vec = *(geo_objects.getPointVecObj(geo_name));
auto lines = std::unique_ptr<std::vector<GeoLib::Polyline*>>(
new std::vector<GeoLib::Polyline*>(5));
std::map<std::string, std::size_t>* name_map =
new std::map<std::string, std::size_t>;
createPolyline(pnt_vec, *(lines.get()), 0, {0, 1, 2}, *name_map, "left");
createPolyline(pnt_vec, *(lines.get()), 1, {3, 4, 5}, *name_map, "center");
createPolyline(pnt_vec, *(lines.get()), 2, {0, 3}, *name_map, "line1");
createPolyline(pnt_vec, *(lines.get()), 3, {3, 6}, *name_map, "line2");
createPolyline(pnt_vec, *(lines.get()), 4, {6, 7, 8}, *name_map, "right");
geo_objects.addPolylineVec(std::move(lines), geo_name, name_map);
}
// geometry_sets contains the geometric points the boundary conditions will be
// set on, geo_name is the name the geometry can be accessed with, out_fname is
// the base file name the gli and bc as well as the gml file will be written to.
void writeBCsAndGeometry(GeoLib::GEOObjects& geometry_sets,
std::string& geo_name, std::string const& out_fname,
std::string const& bc_type, bool write_gml)
{
if (write_gml) {
INFO("write points to \"%s.gml\".", geo_name.c_str());
FileIO::writeGeometryToFile(geo_name, geometry_sets, out_fname+".gml");
}
FileIO::writeGeometryToFile(geo_name, geometry_sets, out_fname+".gli");
bool liquid_flow(false);
if (bc_type == "LIQUID_FLOW")
liquid_flow = true;
GeoLib::PointVec const* pnt_vec_objs(geometry_sets.getPointVecObj(geo_name));
std::vector<GeoLib::Point*> const& pnts(*(pnt_vec_objs->getVector()));
std::ofstream bc_out (out_fname+".bc");
for (std::size_t k(0); k<pnts.size(); k++) {
std::string const& pnt_name(pnt_vec_objs->getItemNameByID(k));
if (!pnt_name.empty()) {
if (liquid_flow)
writeLiquidFlowPointBC(bc_out, pnt_name);
else
writeGroundwaterFlowPointBC(bc_out, pnt_name, (*pnts[k])[2]);
}
}
bc_out << "#STOP\n";
bc_out.close();
}
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;
}
void createSurfaces()
{
auto const points = geo_objects.getPointVec(geo_name);
const std::vector<std::size_t> pnt_id_map(
geo_objects.getPointVecObj(geo_name)->getIDMap());
auto sfcs = std::unique_ptr<std::vector<GeoLib::Surface*>>(
new std::vector<GeoLib::Surface*>(2));
std::map<std::string, std::size_t>* sfc_names =
new std::map<std::string, std::size_t>;
(*sfcs)[0] = new GeoLib::Surface(*points);
(*sfcs)[0]->addTriangle(pnt_id_map[0], pnt_id_map[3], pnt_id_map[1]);
(*sfcs)[0]->addTriangle(pnt_id_map[1], pnt_id_map[3], pnt_id_map[4]);
(*sfcs)[0]->addTriangle(pnt_id_map[1], pnt_id_map[4], pnt_id_map[2]);
(*sfcs)[0]->addTriangle(pnt_id_map[2], pnt_id_map[4], pnt_id_map[5]);
(*sfc_names)["FirstSurface"] = 0;
(*sfcs)[1] = new GeoLib::Surface(*points);
(*sfcs)[1]->addTriangle(pnt_id_map[3], pnt_id_map[6], pnt_id_map[8]);
(*sfcs)[1]->addTriangle(pnt_id_map[3], pnt_id_map[8], pnt_id_map[5]);
(*sfc_names)["SecondSurface"] = 1;
geo_objects.addSurfaceVec(std::move(sfcs), geo_name, sfc_names);
}
void checkPointProperties()
{
auto const& pointvec(*geo_objects.getPointVecObj(geo_name));
auto const& read_points(*pointvec.getVector());
EXPECT_EQ(test_pnts.size(), read_points.size());
for (std::size_t k(0); k<test_pnts.size(); ++k) {
GeoLib::Point const& read_pnt = *read_points[k];
// compare the coordinates
EXPECT_EQ(test_pnts[k][0], read_pnt[0]);
EXPECT_EQ(test_pnts[k][1], read_pnt[1]);
EXPECT_EQ(test_pnts[k][2], read_pnt[2]);
// compare the ids
EXPECT_EQ(test_pnts[k].getID(), read_pnt.getID());
}
for (auto p : read_points) {
// fetch name of read point
std::string read_name;
pointvec.getNameOfElementByID(p->getID(), read_name);
// compare the id of the original point fetched by using the
// read_name and the id of the read point
EXPECT_EQ(p->getID(), pnt_name_id_map[read_name]);
}
}