qgsleastsquares.h

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/***************************************************************************
     qgsleastsquares.h
     --------------------------------------
    Date                 : Sun Sep 16 12:03:47 AKDT 2007
    Copyright            : (C) 2007 by Gary E. Sherman
    Email                : sherman at mrcc dot com
 ***************************************************************************
 *                                                                         *
 *   This program 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.                                   *
 *                                                                         *
 ***************************************************************************/
#ifndef QGSLEASTSQUARES_H
#define QGSLEASTSQUARES_H
 
#include "qgis_analysis.h"
#include "qgspointxy.h"
 
#include <QVector>
 
#define SIP_NO_FILE

class ANALYSIS_EXPORT QgsLeastSquares
{
  public:

    static void linear( const QVector<QgsPointXY> &sourceCoordinates, const QVector<QgsPointXY> &destinationCoordinates, QgsPointXY &origin, double &pixelXSize, double &pixelYSize );

    static void helmert( const QVector<QgsPointXY> &sourceCoordinates, const QVector<QgsPointXY> &destinationCoordinates, QgsPointXY &origin, double &pixelSize, double &rotation );
 
#if 0
    static void affine( QVector<QgsPointXY> mapCoords,
                        QVector<QgsPointXY> pixelCoords );
 
#endif

    static void projective( const QVector<QgsPointXY> &sourceCoordinates, const QVector<QgsPointXY> &destinationCoordinates, double H[9] );
};
 
#endif // QGSLEASTSQUARES_H