interesttiling.hh

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/*
* This file is part of rasdaman community.
*
* Rasdaman community is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Rasdaman community is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with rasdaman community.  If not, see <http://www.gnu.org/licenses/>.
*
* Copyright 2003, 2004, 2005, 2006, 2007, 2008, 2009 Peter Baumann /
rasdaman GmbH.
*
* For more information please see <http://www.rasdaman.org>
* or contact Peter Baumann via <baumann@rasdaman.com>.
*/
#ifndef _R_INTERESTTILING_HH_
#define _R_INTERESTTILING_HH_
 
#include "rasodmg/tiling.hh"
 
class r_Dir_Decompose;
class r_Interest_Tiling;
 
//@ManMemo: Module: {\bf rasodmg}
 
class r_Interest_Tiling : public r_Dimension_Tiling
{
public:
    enum Tilesize_Limit
    {
        NO_LIMIT,
        REGROUP,
        SUB_TILING,
        REGROUP_AND_SUBTILING,
        NUMBER
    };
 
    explicit r_Interest_Tiling(const char *encoded);
 
    r_Interest_Tiling(r_Dimension dim,
                      const std::vector<r_Minterval> &interest_areas,
                      r_Bytes ts = r_Tiling::defaultTileSize,
                      Tilesize_Limit strat = SUB_TILING);
    virtual ~r_Interest_Tiling() = default;
 
    std::vector<r_Minterval> compute_tiles(const r_Minterval &obj_domain, r_Bytes cell_size) const;
 
    virtual void print_status(std::ostream &os) const;
 
    virtual r_Tiling *clone() const;
 
    virtual r_Tiling_Scheme get_tiling_scheme() const;
 
    //@ManMemo: Module: {\bf raslib}
    static r_Interest_Tiling::Tilesize_Limit get_tilesize_limit_from_name(const char *name);
    //@ManMemo: Module: {\bf raslib}
    static const char *get_name_from_tilesize_limit(Tilesize_Limit tsl);
 
    static const char *description;
 
protected:  // methods.
    std::vector<r_Dir_Decompose> make_partition(const r_Minterval &domain) const;
 
    enum Blocks_Type
    {
        BLOCKS_A,
        BLOCKS_B,
        BLOCKS_C
    };
    std::vector<r_Minterval> group(std::vector<r_Minterval> &blocks, r_Bytes typelen, Blocks_Type btype) const;
    Tilesize_Limit ts_strat;
 
    std::vector<r_Minterval> iareas;
 
    //@ManMemo: Module: {\bf raslib}
    static const char *tilesizelimit_name_nolimit;
    static const char *tilesizelimit_name_regroup;
    static const char *tilesizelimit_name_subtiling;
    static const char *tilesizelimit_name_regroupandsubtiling;
 
    static const char *all_tilesizelimit_names[r_Interest_Tiling::NUMBER];
};
 
#endif