CChartGDALElevation.hpp

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// INDENTING (emacs/vi): -*- mode:c++; tab-width:2; c-basic-offset:2; intent-tabs-mode:nil; -*- ex: set tabstop=2 expandtab:
 
/*
 * Qt Virtual Chart Table (QVCT)
 * Copyright (C) 2012 Cedric Dufour <http://cedric.dufour.name>
 * Author: Cedric Dufour <http://cedric.dufour.name>
 *
 * The Qt Virtual Chart Table (QVCT) 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, Version 3.
 *
 * The Qt Virtual Chart Table (QVCT) 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.
 */
 
#ifndef QVCT_CCHARTGDALELEVATION_HPP
#define QVCT_CCHARTGDALELEVATION_HPP
 
// QT
#include <QColor>
#include <QPainter>
#include <QPixmap>
#include <QRect>
#include <QString>
#include <QVector>
 
// GDAL
#include <gdal_priv.h>
 
// QVCT
#include "QVCT.hpp"
#include "charts/CChartGDAL.hpp"
class CDataPosition;
 
 
 
class CChartGDALElevation: public CChartGDAL
{
 
  //------------------------------------------------------------------------------
  // CONSTRUCTORS / DESTRUCTOR
  //------------------------------------------------------------------------------
 
public:
  CChartGDALElevation( const QString& _rqsFileName );
  virtual ~CChartGDALElevation();
 
 
  //------------------------------------------------------------------------------
  // METHODS: CChartGDAL (implements/override)
  //------------------------------------------------------------------------------
 
public:
  CDataPosition toGeoPosition( const QPointF& _rqPointFDatPosition ) const;
 
protected:
  virtual void rasterBuffer( QImage* _pqImage, const QVector<quint16>& _rqVector ) const;
  virtual void rasterBuffer( QImage* _pqImage, const QVector<qint16>& _rqVector ) const;
  virtual void rasterBuffer( QImage* _pqImage, const QVector<quint32>& _rqVector ) const;
  virtual void rasterBuffer( QImage* _pqImage, const QVector<qint32>& _rqVector ) const;
  virtual void rasterBuffer( QImage* _pqImage, const QVector<float>& _rqVector ) const;
  virtual void rasterBuffer( QImage* _pqImage, const QVector<double>& _rqVector ) const;
 
 
  //------------------------------------------------------------------------------
  // METHODS
  //------------------------------------------------------------------------------
 
  // OTHER
public:
  double getElevation( const QPointF& _rqPointFDatPosition ) const;
  double getElevation( const CDataPosition& _roGeoPosition ) const;
 
private:
  uchar rasterValue( double _fdValue ) const;
  double interpolateValue( double _fdP11, double _fdP21, double _fdP12, double _fdP22, double _fdX, double _fdY ) const;
 
};
 
#endif // QVCT_CCHARTGDALELEVATION_HPP