FastBit: meshQuery.h Source File (ibis1.1.5)

00001 // File: $Id$
00002 // Author: John Wu <John.Wu at ACM.org>
00003 //         Lawrence Berkeley National Laboratory
00004 // Copyright 2000-2009 the Regents of the University of California
00005 #ifndef IBIS_MESHQUERY_H
00006 #define IBIS_MESHQUERY_H
00010 #include "query.h"
00011 
00012 namespace ibis { // extend ibis name space
00013     class meshQuery;
00014 } // namespace
00015 
00019 class FASTBIT_CXX_DLLSPEC ibis::meshQuery : public ibis::query {
00020 public:
00021     virtual ~meshQuery();
00023     meshQuery(const char* uid, const part* et, const char* pref=0);
00025     meshQuery(const char* dir, const ibis::partList& tl) : query(dir, tl) {};
00026 
00028     int  getHitsAsBlocks(std::vector< std::vector<uint32_t> >& reg,
00029                          const std::vector<uint32_t>& dim,
00030                          const bool merge=false) const;
00031     int  getHitsAsBlocks(std::vector< std::vector<uint32_t> >& reg,
00032                          const bool merge=false) const;
00033 
00035     int  getPointsOnBoundary(std::vector< std::vector<uint32_t> >& bdy,
00036                              const std::vector<uint32_t>& dim) const;
00037     int  getPointsOnBoundary(std::vector< std::vector<uint32_t> >& bdy) const;
00038 
00043     static int bitvectorToCoordinates(const ibis::bitvector& bv,
00044                                       const std::vector<uint32_t>& dim,
00045                                       std::vector<uint32_t>& coords);
00046 
00047 private:
00048     // convert a bitmap into a set of blocks in dim.size()-dimensional grid
00049     // assume the simple row-major ordering
00050     int  toBlocks(const ibis::bitvector& bv,
00051                   const std::vector<uint32_t>& dim,
00052                   std::vector< std::vector<uint32_t> >& reg) const;
00053     void block2d(uint32_t last, const std::vector<uint32_t>& dim,
00054                  std::vector<uint32_t>& block,
00055                  std::vector< std::vector<uint32_t> >& reg) const;
00056     void block3d(uint32_t last, const uint32_t n2, const uint32_t n3,
00057                  const std::vector<uint32_t>& dim,
00058                  std::vector<uint32_t>& block,
00059                  std::vector< std::vector<uint32_t> >& reg) const;
00060     void blocknd(uint32_t last,
00061                  const std::vector<uint32_t>& scl,
00062                  const std::vector<uint32_t>& dim,
00063                  std::vector<uint32_t>& block,
00064                  std::vector< std::vector<uint32_t> >& reg) const;
00065     void merge2DBlocks(std::vector< std::vector<uint32_t> >& reg) const;
00066     void merge3DBlocks(std::vector< std::vector<uint32_t> >& reg) const;
00067     void mergeNDBlocks(std::vector< std::vector<uint32_t> >& reg) const;
00068 
00069     // convert a bitmap into a set of blocks in dim.size()-dimensional grid
00070     // assume the simple row-major ordering
00071     int  findPointsOnBoundary(const ibis::bitvector& bv,
00072                               const std::vector<uint32_t>& dim,
00073                               std::vector< std::vector<uint32_t> >& bdy) const;
00074     void boundary2d(const std::vector<uint32_t>& dim,
00075                     const std::vector< std::vector<uint32_t> >& rang,
00076                     std::vector< std::vector<uint32_t> >& bdy) const;
00077     void boundary2d1(const std::vector<uint32_t>& dim,
00078                     const std::vector< std::vector<uint32_t> >& rang,
00079                     std::vector< std::vector<uint32_t> >& bdy) const;
00080     void boundary3d(const std::vector<uint32_t>& dim,
00081                     const std::vector< std::vector<uint32_t> >& rang,
00082                     std::vector< std::vector<uint32_t> >& bdy) const;
00083     void boundarynd(const std::vector<uint32_t>& dim,
00084                     const std::vector< std::vector<uint32_t> >& rang,
00085                     std::vector< std::vector<uint32_t> >& bdy) const;
00086 
00087     meshQuery();
00088     meshQuery(const meshQuery&);
00089     meshQuery& operator=(const meshQuery&);
00090 }; // class ibis::meshQuery
00091 #endif // IBIS_MESHQUERY_H


	Contact us Disclaimers FastBit source code FastBit mailing list archive