cgma
Chain.hpp
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00001 //-------------------------------------------------------------------------
00002 // Filename      : Chain.hpp
00003 //
00004 // Purpose       : Represents a chain of vertices of an edge of a model.
00005 //
00006 // Special Notes :
00007 //
00008 // Creator       : Xuechen Liu
00009 //
00010 // Creation Date : 08/02/96
00011 //
00012 // Owner         : Malcolm J. Panthaki
00013 //-------------------------------------------------------------------------
00014 
00015 #ifndef CHAIN_HPP
00016 #define CHAIN_HPP
00017 
00018 // ********** BEGIN STANDARD INCLUDES      **********
00019 // ********** END STANDARD INCLUDES        **********
00020 
00021 // ********** BEGIN CUBIT INCLUDES         **********
00022 #include "CubitDefines.h"
00023 #include "CubitUtil.hpp"
00024 
00025 #include "GroupingEntity.hpp"
00026 // ********** END CUBIT INCLUDES           **********
00027 
00028 // ********** BEGIN FORWARD DECLARATIONS   **********
00029 class RefVertex;
00030 // ********** END FORWARD DECLARATIONS     **********
00031 
00032 class CUBIT_GEOM_EXPORT Chain : public GroupingEntity
00033 {
00034 public :
00035   
00036   Chain() ;
00037     //- The default constructor
00038   
00039   virtual ~Chain() ;
00040     //- The destructor
00041 
00042   DagType dag_type() const { return DagType::chain_type(); }
00043   
00044   RefVertex* start_vertex();
00045   RefVertex* end_vertex();
00046     //R RefVertex*
00047     //R- Returned RefVertex pointer
00048     //- These functions return the RefVertex associated with 
00049     //- the first/last CoVertex'es of this Chain.
00050     
00051   CoVertex* start_co_vertex();
00052   CoVertex* end_co_vertex();
00053   
00054 protected: 
00055   
00056 private:
00057     Chain( const Chain& );
00058     void operator=( const Chain&);
00059 };
00060 
00061 // ********** BEGIN INLINE FUNCTIONS       **********
00062 // ********** END INLINE FUNCTIONS         **********
00063 
00064 // ********** BEGIN FRIEND FUNCTIONS       **********
00065 // ********** END FRIEND FUNCTIONS         **********
00066 
00067 // ********** BEGIN EXTERN FUNCTIONS       **********
00068 // ********** END EXTERN FUNCTIONS         **********
00069 
00070 #endif
00071 
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