18 #ifndef DUNE_GRIDGLUE_EXTRACTORS_EXTRACTOR_HH 19 #define DUNE_GRIDGLUE_EXTRACTORS_EXTRACTOR_HH 24 #include <dune/common/exceptions.hh> 25 #include <dune/common/fvector.hh> 26 #include <dune/grid/common/geometry.hh> 27 #include <dune/grid/common/grid.hh> 28 #include <dune/grid/common/mcmgmapper.hh> 29 #include <dune/geometry/multilineargeometry.hh> 41 template<
typename GV,
int cd>
48 enum {
dim = GV::dimension};
57 typedef typename GridView::Grid
Grid;
59 typedef typename GV::Grid::ctype
ctype;
60 typedef Dune::FieldVector<ctype, dimworld>
Coords;
63 typedef typename GV::Traits::template Codim<dim>::Entity
Vertex;
66 typedef typename GV::Traits::template Codim<0>::Entity
Element;
68 typedef typename GV::Traits::template Codim<0>::Iterator
ElementIter;
72 typedef Dune::MultipleCodimMultipleGeomTypeMapper<GridView, MCMGElementLayout>
CellMapper;
90 unsigned int idx : 28;
100 : vtxindex(vtxindex_), index(index_)
130 ElementInfo(
unsigned int idx_,
const Element& p_,
unsigned int f_) :
idx(idx_), faces(f_), p(p_.seed())
137 unsigned int faces : 4;
151 geometryType_.makeSimplex(
dim-codim);
155 const Dune::GeometryType& geometryType)
156 : parent(parent_), num_in_parent(num_in_parent_), geometryType_(geometryType)
161 return Dune::ReferenceElements<ctype, dim-codim>::general(geometryType_).size(
dim-codim);
168 unsigned int num_in_parent : 3;
224 : gv_(gv), cellMapper_(gv)
240 std::vector<CoordinateInfo> dummy;
244 std::vector<SubEntityInfo> dummy;
245 subEntities_.swap(dummy);
249 for (
typename VertexInfoMap::iterator it = vtxInfo_.begin();
250 it != vtxInfo_.end(); ++it)
251 if (it->second != NULL)
253 for (
typename ElementInfoMap::iterator it = elmtInfo_.begin();
254 it != elmtInfo_.end(); ++it)
255 if (it->second != NULL)
270 void getCoords(std::vector<Dune::FieldVector<ctype, dimworld> >& coords)
const 272 coords.resize(coords_.size());
273 for (
unsigned int i = 0; i < coords_.size(); ++i)
274 coords[i] = coords_[i].coord;
284 return coords_.size();
290 geometryTypes.resize(subEntities_.size());
291 for (
size_t i=0; i<subEntities_.size(); i++)
292 geometryTypes[i] = subEntities_[i].geometryType_;
299 void getFaces(std::vector<VertexVector>& faces)
const 301 faces.resize(subEntities_.size());
302 for (
unsigned int i = 0; i < subEntities_.size(); ++i) {
303 faces[i].resize(subEntities_[i].nCorners());
304 for (
unsigned int j = 0; j < subEntities_[i].nCorners(); ++j)
305 faces[i][j] = subEntities_[i].corners[j].
idx;
320 typename ElementInfoMap::const_iterator it =
321 elmtInfo_.find(cellMapper_.map(e));
322 if (it == elmtInfo_.end())
329 first = it->second->idx;
330 count = it->second->faces;
342 return index < subEntities_.size() ? subEntities_[index].num_in_parent : -1;
377 if (index >= subEntities_.size())
378 DUNE_THROW(Dune::GridError,
"invalid face index");
379 const ElementSeed seed = (elmtInfo_.find(subEntities_[index].parent))->second->p;
380 return grid().entity(seed);
393 if (index >= coords_.size())
394 DUNE_THROW(Dune::GridError,
"invalid coordinate index");
395 const VertexSeed seed = (vtxInfo_.find(coords_[index].vtxindex))->second->p;
396 return grid().entity(seed);
401 Geometry
geometry(
unsigned int index)
const;
409 template<
typename GV,
int cd>
417 template<
typename GV,
int cd>
420 std::vector<Coords> corners(
subEntities_[index].nCorners());
421 for (
unsigned int i = 0; i <
subEntities_[index].nCorners(); ++i)
429 template<
typename GV,
int cd>
432 std::vector<LocalCoords> corners(
subEntities_[index].nCorners());
436 Dune::GeometryType facetype =
subEntities_[index].geometryType_;
439 const auto elmtseed =
elmtInfo_.find(face.parent)->second->p;
440 const auto elmt =
grid().entity(elmtseed);
441 const Dune::GeometryType celltype = elmt.type();
442 const Dune::ReferenceElement<ctype, dim> & re =
443 Dune::ReferenceElements<ctype, dim>::general(celltype);
444 for (
unsigned int i = 0; i <
subEntities_[index].nCorners(); ++i)
445 corners[i] = re.position(face.corners[i].num,
dim);
454 #endif // DUNE_GRIDGLUE_EXTRACTORS_EXTRACTOR_HH std::map< IndexType, VertexInfo *> VertexInfoMap
Definition: extractor.hh:184
void clear()
delete everything build up so far and free the memory
Definition: extractor.hh:235
simple struct holding an element seed and an index
Definition: extractor.hh:128
Helpful struct holding one index for the coordinate (vertex) to which it is associated and the elemen...
Definition: extractor.hh:88
unsigned int num
element corner
Definition: extractor.hh:91
Vertex::EntitySeed VertexSeed
Definition: extractor.hh:64
Definition: extractor.hh:53
int indexInInside(unsigned int index) const
gets the number face in the parent element
Definition: extractor.hh:340
void getFaces(std::vector< VertexVector > &faces) const
Get the corners of the extracted subentities.
Definition: extractor.hh:299
GV::Traits::template Codim< dim >::Entity Vertex
Definition: extractor.hh:63
std::vector< CoordinateInfo > coords_
all information about the corner vertices of the extracted
Definition: extractor.hh:194
std::vector< SubEntityInfo > subEntities_
all information about the extracted subEntities
Definition: extractor.hh:197
VertexInfoMap vtxInfo_
a map enabling faster access to vertices and coordinates
Definition: extractor.hh:204
Coords coord
the coordinate
Definition: extractor.hh:107
Element::EntitySeed ElementSeed
Definition: extractor.hh:67
VertexInfo(unsigned int idx_, const Vertex &p_)
Definition: extractor.hh:118
ElementInfo(unsigned int idx_, const Element &p_, unsigned int f_)
Definition: extractor.hh:130
std::map< IndexType, ElementInfo *> ElementInfoMap
Definition: extractor.hh:183
Element element(unsigned int index) const
gets the parent element for a given face index, throws an exception if index not valid ...
Definition: extractor.hh:375
unsigned int nCorners() const
Definition: extractor.hh:159
simple struct holding a vertex pointer and an index
Definition: extractor.hh:116
GV::Grid::ctype ctype
Definition: extractor.hh:59
Provides codimension-independent methods for grid extraction.
Definition: extractor.hh:42
void getGeometryTypes(std::vector< Dune::GeometryType > &geometryTypes) const
Get the list of geometry types.
Definition: extractor.hh:288
unsigned int idx
Definition: extractor.hh:120
const GridView & gridView() const
tests that a given entry in the extraction set does have local couplings
Definition: extractor.hh:358
ElementInfoMap elmtInfo_
a map enabling faster access to elements and faces
Definition: extractor.hh:211
Dune::FieldVector< ctype, dim > LocalCoords
Definition: extractor.hh:61
const Grid & grid() const
Definition: extractor.hh:363
Holds some information about an element's subentity involved in a coupling.
Definition: extractor.hh:147
Dune::MultiLinearGeometry< ctype, dim-codim, dim > LocalGeometry
Definition: extractor.hh:79
LocalGeometry geometryLocal(unsigned int index) const
Get geometry of the extracted face in element coordinates.
Definition: extractor.hh:430
CellMapper cellMapper_
Definition: extractor.hh:213
Geometry geometry(unsigned int index) const
Get world geometry of the extracted face.
Definition: extractor.hh:418
Definition: extractor.hh:94
IndexType parent
the index of the parent element (from index set)
Definition: extractor.hh:165
void getCoords(std::vector< Dune::FieldVector< ctype, dimworld > > &coords) const
getter for the coordinates array
Definition: extractor.hh:270
Dune::MultiLinearGeometry< ctype, dim-codim, dimworld > Geometry
Definition: extractor.hh:78
Definition: extractor.hh:47
SubEntityInfo(IndexType parent_, unsigned int num_in_parent_, const Dune::GeometryType &geometryType)
Definition: extractor.hh:154
unsigned int nCoords() const
getter for the count of coordinates
Definition: extractor.hh:282
GV::Traits::template Codim< 0 >::Iterator ElementIter
Definition: extractor.hh:68
const GridView gv_
the grid object to extract the surface from
Definition: extractor.hh:189
int IndexType
Definition: extractor.hh:74
SubEntityInfo()
Definition: extractor.hh:149
ElementSeed p
the entity seed for the element
Definition: extractor.hh:140
GV::Traits::template Codim< 0 >::Entity Element
Definition: extractor.hh:66
Definition: extractor.hh:49
VertexSeed p
Definition: extractor.hh:121
Dune::GeometryType geometryType_
The GeometryType of the subentity.
Definition: extractor.hh:171
Dune::MultipleCodimMultipleGeomTypeMapper< GridView, MCMGElementLayout > CellMapper
Definition: extractor.hh:72
GV GridView
Definition: extractor.hh:56
unsigned int index
the index of this coordinate (in internal storage scheme) // NEEDED??
Definition: extractor.hh:110
Vertex vertex(unsigned int index) const
gets the vertex for a given coordinate index throws an exception if index not valid ...
Definition: extractor.hh:391
std::vector< unsigned int > VertexVector
Definition: extractor.hh:70
GridView::Grid Grid
Definition: extractor.hh:57
Definition: extractor.hh:48
bool faceIndices(const Element &e, int &first, int &count) const
gets index of first subentity as well as the total number of subentities that were extracted from thi...
Definition: extractor.hh:318
unsigned int idx
index of the vertex
Definition: extractor.hh:90
CoordinateInfo(unsigned int index_, IndexType vtxindex_)
Definition: extractor.hh:99
IndexType vtxindex
the index of the parent element (from index set)
Definition: extractor.hh:104
Extractor(const GV &gv)
Constructor.
Definition: extractor.hh:223
~Extractor()
Destructor frees allocated memory.
Definition: extractor.hh:410
CoordinateInfo()
Definition: extractor.hh:96
Definition: gridglue.hh:30
Dune::FieldVector< ctype, dimworld > Coords
Definition: extractor.hh:60