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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 _D_TILER_
#define _D_TILER_
#include "raslib/minterval.hh"
#include <vector>
#include <utility>
//#include<pair>
class Tile;
class PersTile;
class TransTile;
typedef std::pair<r_Range,r_Range> RangePair;
typedef std::pair<const r_Range,const r_Range> ConstRangePair;
class r_Tiler
{
public:
r_Tiler(std::vector<r_Minterval>& sourceDomains, const std::vector<r_Minterval>& targetDomains);
/*
sourceDomains will be splitted.
targetDomains will not be touched.
*/
void split();
/*
will split the source domains.
*/
void removeCoveredDomains();
/*
removes those splited domains which are covered by target domains.
*/
void removeDoubleDomains();
/*
removes those splited domains which are covered by other splited domains.
*/
void mergeDomains();
/*
tries to merge splited domains into larger domains.
*/
std::vector<r_Minterval> getTiledDomains() const;
/*
returns the computed domains. you must call split() first.
*/
std::vector<Tile*> generateTiles(const std::vector<Tile*>& sourceTiles) const;
/*
uses the previously computed tiled domains to generate the output.
call split, removeCoveredDomains, removeDoubleDomains, mergeDomains first!
memory must be freed by the caller!
*/
private:
std::vector<r_Minterval> splitMinterval(const r_Minterval& sourceDomain, std::vector<RangePair>& splitDimensions);
std::vector<RangePair> computeSplitDimensions(const r_Minterval& sourceDomain) const;
std::vector<r_Minterval> splitedDomains;
std::vector<r_Minterval> sourceDomains;
std::vector<r_Minterval> targetDomains;
};
#endif
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