MergeMesh.hpp

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    1 #ifndef MERGEMESH_HPP
    2 #define MERGEMESH_HPP
    3  
    4 #include "moab/Interface.hpp"
    5 #include "moab/Range.hpp"
    6 #include <set>
    7  
    8 namespace moab
    9 {
   10  
   11 class AdaptiveKDTree;
   12  
   13 class MergeMesh
   14 {
   15   public:
   16     /* \brief Constructor
   17      */
   18     MergeMesh( Interface* mbImpl, bool printErrorIn = true );
   19  
   20     /* \brief Destructor
   21      */
   22     virtual ~MergeMesh();
   23  
   24     /* \brief Merge vertices in elements passed in
   25      */
   26     ErrorCode merge_entities( EntityHandle* elems,
   27                               int elems_size,
   28                               const double merge_tol,
   29                               const int do_merge    = true,
   30                               const int update_sets = false,
   31                               Tag merge_tag         = 0,
   32                               bool do_higher_dim    = true );
   33  
   34     ErrorCode merge_entities( Range& elems,
   35                               const double merge_tol,
   36                               const int do_merge    = true,
   37                               const int update_sets = false,
   38                               Tag merge_tag         = 0,
   39                               bool do_higher_dim    = true );
   40  
   41     // Identify higher dimension to be merged
   42     ErrorCode merge_higher_dimensions( Range& elems );
   43  
   44     // merge vertices according to an input tag
   45     ErrorCode merge_using_integer_tag( Range& verts, Tag user_tag, Tag merge_tag = 0 );
   46  
   47     //- perform the actual merge
   48     ErrorCode perform_merge( Tag merged_to );
   49  
   50     // new method, for overlapped meshes
   51     // meshset could be the whole mesh, represented by root set 0;
   52     ErrorCode merge_all( EntityHandle meshset, const double merge_tol );
   53  
   54   private:
   55     // iMesh_Instance imeshImpl;
   56  
   57     //- given a kdtree, set tag on vertices in leaf nodes with vertices
   58     //- to which they should be merged
   59     ErrorCode find_merged_to( EntityHandle& tree_root, AdaptiveKDTree& tree, Tag merged_to );
   60  
   61     Interface* mbImpl;
   62  
   63     //- the tag pointing to the entity to which an entity will be merged
   64     Tag mbMergeTag;
   65  
   66     double mergeTol, mergeTolSq;
   67  
   68     //- entities which will go away after the merge
   69     std::set< EntityHandle > deadEnts;
   70  
   71     // vertices that were merged with other vertices, and were left in the database
   72     std::set< EntityHandle > mergedToVertices;
   73  
   74     // Allow a warning to be suppressed when no merging is done
   75     bool printError;
   76 };
   77  
   78 }  // namespace moab
   79  
   80 #endif