dune-grid  2.5.1
geometrygrid/gridview.hh
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1 // -*- tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
2 // vi: set et ts=4 sw=2 sts=2:
3 #ifndef DUNE_GEOGRID_GRIDVIEW_HH
4 #define DUNE_GEOGRID_GRIDVIEW_HH
5 
6 #include <dune/common/typetraits.hh>
7 #include <dune/common/exceptions.hh>
8 
16 
17 namespace Dune
18 {
19 
20  namespace GeoGrid
21  {
22 
23  // Internal Forward Declarations
24  // -----------------------------
25 
26  template< class HGV, class CoordFunction, class Allocator >
27  class GridView;
28 
29 
30 
31  // GridViewTraits
32  // --------------
33 
34  template< class HGV, class CoordFunction, class Allocator >
36  {
37  friend class GridView< HGV, CoordFunction, Allocator >;
38 
39  typedef HGV HostGridView;
40 
41  typedef typename HostGridView::Grid HostGrid;
42  typedef typename HostGridView::Intersection HostIntersection;
43  typedef typename HostGridView::IntersectionIterator HostIntersectionIterator;
44 
45  public:
47 
49 
51 
53 
57 
58  typedef typename HostGridView::CollectiveCommunication CollectiveCommunication;
59 
60  template< int codim >
61  struct Codim
62  {
65 
66  typedef typename Grid::Traits::template Codim< codim >::Entity Entity;
67 
68  typedef typename Grid::template Codim< codim >::Geometry Geometry;
69  typedef typename Grid::template Codim< codim >::LocalGeometry LocalGeometry;
70 
71  template< PartitionIteratorType pit >
72  struct Partition
73  {
76  };
77  };
78 
79  static const bool conforming = HostGridView::conforming;
80  };
81 
82 
83 
84  // GridView
85  // --------
86 
87  template< class HGV, class CoordFunction, class Allocator >
88  class GridView
89  {
91 
92  public:
94 
95  typedef typename Traits::HostGridView HostGridView;
96 
97  typedef typename Traits::Grid Grid;
98 
99  typedef typename Traits::IndexSet IndexSet;
100 
102 
104 
106 
107  template< int codim >
108  struct Codim
109  : public Traits::template Codim< codim >
110  {};
111 
112  static const bool conforming = Traits::conforming;
113 
114  GridView ( const Grid &grid, const HostGridView &hostGridView )
115  : grid_( &grid ),
116  hostGridView_( hostGridView )
117  {}
118 
119  const Grid &grid () const
120  {
121  assert( grid_ );
122  return *grid_;
123  }
124 
125  const IndexSet &indexSet () const
126  {
127  if( !indexSet_ )
128  indexSet_ = IndexSet( hostGridView().indexSet() );
129  return indexSet_;
130  }
131 
132  int size ( int codim ) const
133  {
134  return hostGridView().size( codim );
135  }
136 
137  int size ( const GeometryType &type ) const
138  {
139  return hostGridView().size( type );
140  }
141 
142  template< int codim >
143  typename Codim< codim >::Iterator begin () const
144  {
145  return begin< codim, All_Partition >();
146  }
147 
148  template< int codim, PartitionIteratorType pit >
150  {
151  return Traits::template Codim< codim >::template Partition< pit >::IteratorImp::begin( grid(), hostGridView() );
152  }
153 
154  template< int codim >
155  typename Codim< codim >::Iterator end () const
156  {
157  return end< codim, All_Partition >();
158  }
159 
160  template< int codim, PartitionIteratorType pit >
162  {
163  return Traits::template Codim< codim >::template Partition< pit >::IteratorImp::end( grid(), hostGridView() );
164  }
165 
166  IntersectionIterator ibegin ( const typename Codim< 0 >::Entity &entity ) const
167  {
169  return IntersectionIteratorImpl( entity, hostGridView().ibegin( Grid::getRealImplementation( entity ).hostEntity() ) );
170  }
171 
172  IntersectionIterator iend ( const typename Codim< 0 >::Entity &entity ) const
173  {
175  return IntersectionIteratorImpl( entity, hostGridView().iend( Grid::getRealImplementation( entity ).hostEntity() ) );
176  }
177 
178  const CollectiveCommunication &comm () const
179  {
180  return hostGridView().comm();
181  }
182 
183  int overlapSize ( int codim ) const
184  {
185  return hostGridView().overlapSize( codim );
186  }
187 
188  int ghostSize ( int codim ) const
189  {
190  return hostGridView().ghostSize( codim );
191  }
192 
193  template< class DataHandle, class Data >
195  InterfaceType interface,
196  CommunicationDirection direction ) const
197  {
198  typedef CommDataHandleIF< DataHandle, Data > DataHandleIF;
199  typedef GeoGrid::CommDataHandle< Grid, DataHandleIF > WrappedDataHandle;
200 
201  WrappedDataHandle wrappedDataHandle( grid(), dataHandle );
202  hostGridView().communicate( wrappedDataHandle, interface, direction );
203  }
204 
205  const HostGridView &hostGridView () const { return hostGridView_; }
206 
207  private:
208  const Grid *grid_;
209  HostGridView hostGridView_;
210  mutable IndexSet indexSet_;
211  };
212 
213  } // namespace GeoGrid
214 
215 } // namespace Dune
216 
217 #endif // #ifndef DUNE_GEOGRID_GRIDVIEW_HH
GeoGrid::IndexSet< const Grid, typename HostGridView::IndexSet > IndexSet
Definition: geometrygrid/gridview.hh:50
Intersection of a mesh entity of codimension 0 ("element") with a "neighboring" element or with the d...
Definition: albertagrid/dgfparser.hh:26
Definition: geometrygrid/gridview.hh:72
int size(const GeometryType &type) const
Definition: geometrygrid/gridview.hh:137
Definition: geometrygrid/gridview.hh:27
Traits::IntersectionIterator IntersectionIterator
Definition: geometrygrid/gridview.hh:103
Codim< codim >::template Partition< pit >::Iterator begin() const
Definition: geometrygrid/gridview.hh:149
Definition: geometrygrid/datahandle.hh:23
A set of traits classes to store static information about grid implementation.
Codim< codim >::template Partition< pit >::Iterator end() const
Definition: geometrygrid/gridview.hh:161
GridViewTraits< HGV, CoordFunction, Allocator > Traits
Definition: geometrygrid/gridview.hh:93
GeometryType
Type representing VTK&#39;s entity geometry types.
Definition: common.hh:178
Grid::template Codim< codim >::Geometry Geometry
Definition: geometrygrid/gridview.hh:68
Definition: geometrygrid/gridview.hh:61
Definition: geometrygrid/entity.hh:58
CommunicationDirection
Define a type for communication direction parameter.
Definition: gridenums.hh:168
const HostGridView & hostGridView() const
Definition: geometrygrid/gridview.hh:205
static const bool conforming
Definition: geometrygrid/gridview.hh:79
int overlapSize(int codim) const
Definition: geometrygrid/gridview.hh:183
const IndexSet & indexSet() const
Definition: geometrygrid/gridview.hh:125
Definition: geometrygrid/gridview.hh:108
Dune::IntersectionIterator< const Grid, GeoGrid::IntersectionIterator< const Grid, HostIntersectionIterator >, GeoGrid::Intersection< const Grid, HostIntersection > > IntersectionIterator
Definition: geometrygrid/gridview.hh:56
GridView(const Grid &grid, const HostGridView &hostGridView)
Definition: geometrygrid/gridview.hh:114
Traits::IndexSet IndexSet
Definition: geometrygrid/gridview.hh:99
Dune::GeometryGrid< HostGrid, CoordFunction, Allocator > Grid
Definition: geometrygrid/gridview.hh:48
Output conforming data.
Definition: common.hh:70
const Grid & grid() const
Definition: geometrygrid/gridview.hh:119
Mesh entities of codimension 0 ("elements") allow to visit all intersections with "neighboring" eleme...
Definition: common/grid.hh:345
Definition: geometrygrid/intersection.hh:19
Grid::template Codim< codim >::LocalGeometry LocalGeometry
Definition: geometrygrid/gridview.hh:69
GeoGrid::Iterator< HostGridView, codim, pit, const Grid > IteratorImp
Definition: geometrygrid/gridview.hh:74
int ghostSize(int codim) const
Definition: geometrygrid/gridview.hh:188
IntersectionIterator iend(const typename Codim< 0 >::Entity &entity) const
Definition: geometrygrid/gridview.hh:172
Codim< codim >::Iterator end() const
Definition: geometrygrid/gridview.hh:155
const CollectiveCommunication & comm() const
Definition: geometrygrid/gridview.hh:178
int size(int codim) const
Definition: geometrygrid/gridview.hh:132
Dune::Intersection< const Grid, GeoGrid::Intersection< const Grid, HostIntersection > > Intersection
Definition: geometrygrid/gridview.hh:52
GeoGrid::Iterator< HostGridView, codim, All_Partition, const Grid > IteratorImp
Definition: geometrygrid/gridview.hh:63
HostGridView::CollectiveCommunication CollectiveCommunication
Definition: geometrygrid/gridview.hh:58
Traits::HostGridView HostGridView
Definition: geometrygrid/gridview.hh:95
Traits::Grid Grid
Definition: geometrygrid/gridview.hh:97
Dune::EntityIterator< codim, const Grid, IteratorImp > Iterator
Definition: geometrygrid/gridview.hh:75
Include standard header files.
Definition: agrid.hh:59
Dune::EntityIterator< codim, const Grid, IteratorImp > Iterator
Definition: geometrygrid/gridview.hh:64
Definition: geometrygrid/indexsets.hh:25
CommDataHandleIF describes the features of a data handle for communication in parallel runs using the...
Definition: datahandleif.hh:72
Grid::Traits::template Codim< codim >::Entity Entity
Definition: geometrygrid/gridview.hh:66
GridView< HostGridView, CoordFunction, Allocator > GridViewImp
Definition: geometrygrid/gridview.hh:46
Codim< codim >::Iterator begin() const
Definition: geometrygrid/gridview.hh:143
Definition: iterator.hh:29
Traits::Intersection Intersection
Definition: geometrygrid/gridview.hh:101
interface class for an iterator over grid entitiesAn entity iterator is an iterator over a subset of ...
Definition: entityiterator.hh:35
Traits::CollectiveCommunication CollectiveCommunication
Definition: geometrygrid/gridview.hh:105
IntersectionIterator ibegin(const typename Codim< 0 >::Entity &entity) const
Definition: geometrygrid/gridview.hh:166
InterfaceType
Parameter to be used for the communication functions.
Definition: gridenums.hh:84
void communicate(CommDataHandleIF< DataHandle, Data > &dataHandle, InterfaceType interface, CommunicationDirection direction) const
Definition: geometrygrid/gridview.hh:194
Definition: geometrygrid/gridview.hh:35
grid wrapper replacing the geometriesGeometryGrid wraps another DUNE grid and replaces its geometry b...
Definition: declaration.hh:10