geo/tcGeoImageData.h

   1 /***************************************************************************
   2  *   This file is part of Tecorrec.                                        *
   3  *   Copyright 2008 James Hogan <james@albanarts.com>                      *
   4  *                                                                         *
   5  *   Tecorrec is free software: you can redistribute it and/or modify      *
   6  *   it under the terms of the GNU General Public License as published by  *
   7  *   the Free Software Foundation, either version 2 of the License, or     *
   8  *   (at your option) any later version.                                   *
   9  *                                                                         *
  10  *   Tecorrec is distributed in the hope that it will be useful,           *
  11  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  12  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  13  *   GNU General Public License for more details.                          *
  14  *                                                                         *
  15  *   You should have received a copy of the GNU General Public License     *
  16  *   along with Tecorrec.  If not, write to the Free Software Foundation,  *
  17  *   Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.   *
  18  ***************************************************************************/
  19
  20 #ifndef _tcGeoImageData_h_
  21 #define _tcGeoImageData_h_
  22
  23 /**
  24  * @file tcGeoImageData.h
  25  * @brief Terrain image data.
  26  */
  27
  28 #include "tcGeoData.h"
  29
  30 class tcSensor;
  31
  32 /// Terrain image data.
  33 class tcGeoImageData : public tcGeoData
  34 {
  35   public:
  36
  37     /*
  38      * Types
  39      */
  40
  41     /// Local coordinate.
  42     struct LocalCoord
  43     {
  44       double x,y;
  45     };
  46
  47     /*
  48      * Constructors + destructor
  49      */
  50
  51     /// Default constructor.
  52     tcGeoImageData();
  53
  54     /// Destructor.
  55     virtual ~tcGeoImageData();
  56
  57     /*
  58      * Accessors
  59      */
  60
  61     /// Get the number of channels.
  62     int numChannels() const;
  63
  64     /*
  65      * Main interface
  66      */
  67
  68     /// Convert a geo to local coordinates.
  69     virtual void geoToLocal(const tcGeo& coord, LocalCoord* local) = 0;
  70
  71     /// Get the intensities of a selected channels at local coordinates.
  72     virtual bool sampleIntensities(const LocalCoord& coord, int numChannels, const int* channels, float* results) = 0;
  73
  74   protected:
  75
  76     /*
  77      * Protected variables
  78      */
  79
  80     /// Number of channels.
  81     int m_numChannels;
  82
  83   private:
  84
  85     /*
  86      * Variables
  87      */
  88
  89     /// Sensors which collected the data.
  90     tcSensor* m_sensor;
  91
  92     /// Direction of the sun in local space.
  93     tcGeo* m_sunDirection;
  94 };
  95
  96 #endif
  97