88 lines
2.5 KiB
C++
88 lines
2.5 KiB
C++
/*
|
|
----
|
|
This file is part of SECONDO.
|
|
|
|
Copyright (C) 2020,
|
|
Faculty of Mathematics and Computer Science,
|
|
Database Systems for New Applications.
|
|
|
|
SECONDO 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 2 of the License, or
|
|
(at your option) any later version.
|
|
|
|
SECONDO 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 SECONDO; if not, write to the Free Software
|
|
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
----
|
|
|
|
|
|
//[$][\$]
|
|
//[_][\_]
|
|
|
|
*/
|
|
#ifndef TSDTWOP_H
|
|
#define TSDTWOP_H
|
|
|
|
#include "Stream.h"
|
|
#include "../Relation-C++/RelationAlgebra.h"
|
|
#include "../Algebras/OrderedRelation/OrderedRelationAlgebra.h"
|
|
#include "../ExtRelation-2/TupleBuffer2.h"
|
|
#include "tsop.h"
|
|
#include "timeseriesdistanceopli.h"
|
|
|
|
using std::vector;
|
|
|
|
struct WarpingPathPoint
|
|
{
|
|
int _x;
|
|
int _y;
|
|
|
|
WarpingPathPoint(int x, int y)
|
|
{
|
|
cout << "[" << std::to_string(x) << ":"
|
|
<< std::to_string(y) << "]" << endl;
|
|
this->_x = x;
|
|
this->_y = y;
|
|
}
|
|
|
|
std::string toString()
|
|
{
|
|
return "["+ std::to_string(this->_x) + "," +
|
|
std::to_string(this->_y) +"]";
|
|
}
|
|
};
|
|
|
|
class TsDTWOp : public TsOp
|
|
{
|
|
public:
|
|
TsDTWOp();
|
|
static ListExpr tsDTWTypeMap(ListExpr);
|
|
static int tsDTWValueMap(Word*, Word&, int, Word&, Supplier);
|
|
static int tsDDTWValueMap(Word*, Word&, int, Word&, Supplier);
|
|
static int tsDTWSCValueMap(Word*, Word&, int, Word&, Supplier);
|
|
static ListExpr tsDTWSCTypeMap(ListExpr);
|
|
|
|
|
|
private:
|
|
static double euklidianDistance(Tuple*, Tuple*);
|
|
static ListExpr checkAttributes(ListExpr);
|
|
static ListExpr createResultType(ListExpr, ListExpr);
|
|
static int countValues(ListExpr);
|
|
static void optimalWarpingPath(vector<vector<double>>&,
|
|
vector<WarpingPathPoint>&);
|
|
static void optimalWarpingPath(vector<vector<double>>&,
|
|
vector<WarpingPathPoint>&, int band_limit);
|
|
static double computeDerivative(double qiminus1,
|
|
double qi, double qiplus1);
|
|
static double derivativeDistance(double derivative_ts1,
|
|
double derivative_ts2);
|
|
};
|
|
|
|
#endif // TSDTWOP_H
|