/usr/include/osgEarth/ElevationField is in libosgearth-dev 2.7.0+dfsg-2+b3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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/* osgEarth - Dynamic map generation toolkit for OpenSceneGraph
* Copyright 2015 Pelican Mapping
* http://osgearth.org
*
* osgEarth is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>
*/
#ifndef OSGEARTH_ELEVATION_FIELD_H
#define OSGEARTH_ELEVATION_FIELD_H 1
#include <osgEarth/Common>
#include <osgEarth/GeoCommon>
#include <osg/Object>
#include <osg/Vec3f>
namespace osgEarth
{
/**
* A grid of elevation data.
*/
class OSGEARTH_EXPORT ElevationField : public osg::Object
{
public:
META_Object(osgEarth, ElevationField);
/** Constructor */
ElevationField();
/**
* Sets the width and height (in samples) of the field.
* This will wipe out any existing data.
*/
void setSize(unsigned width, unsigned height);
/**
* Gets the height value at sample x,y.
*/
float getHeight(unsigned x, unsigned y) const;
/**
* If the data is "dirty", recalculate derived values like
* slope, curvature, min and max.
*/
void update(float spacing);
protected:
unsigned _width, _height;
std::vector<float> _heights;
std::vector<float> _slopes;
std::vector<float> _curvatures;
std::vector<float> _aspects;
std::vector<osg::Vec3f> _normals;
float _min, _max;
bool _dirty;
float _spacing;
protected:
virtual ~ElevationField() { }
// Copy CTOR hidden for now
ElevationField(const ElevationField& rhs, const osg::CopyOp& copy) { }
void computeSlopeAndCurvature();
};
}
#endif // OSGEARTH_ELEVATION_FIELD_H
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