1 /***************************************************************************
2 * This file is part of Tecorrec. *
3 * Copyright 2008 James Hogan <james@albanarts.com> *
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. *
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. *
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 ***************************************************************************/
20 #ifndef _tcElevationData_h_
21 #define _tcElevationData_h_
24 * @file tcElevationData.h
25 * @brief A block of pixel data representing elevation.
28 #include "tcPixelData.h"
29 #include "tcAffineTransform.h"
33 /// A block of pixel data representing elevation.
34 class tcElevationData
: public tcPixelData
<float>
43 typedef tcPixelData
<float> Parent
;
48 * Constructors + destructor
51 /// Default constructor.
54 /// Primary constructor.
55 tcElevationData(int width
, int height
);
58 virtual ~tcElevationData();
64 /** Get the mean elevation over a range of pixels.
65 * This is so elevation models can update their elevations from an elevation field.
67 float meanElevation(const tcGeo
& swCorner
, const tcGeo
& neCorner
, bool* inRange
) const;
69 /// Set the geographical to pixels transformation.
70 void setGeoToPixels(const tcAffineTransform2
<double>& geoToPixels
);
76 /// Get the coordinate of the most south westerly corner.
77 tcGeo
swCorner() const;
79 /// Get the coordinate of the most north easterly corner.
80 tcGeo
neCorner() const;
88 /// Transformation from geographical to pixels.
89 tcAffineTransform2
<double> m_geoToPixels
;