/usr/include/osgEarth/ImageToHeightFieldConverter is in libosgearth-dev 2.5.0+dfsg-2+b2.
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 2008-2013 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_IMAGE_TO_HEIGHTFIELD_CONVERTER
#define OSGEARTH_IMAGE_TO_HEIGHTFIELD_CONVERTER 1
#include <osgEarth/Export>
#include <osg/Image>
#include <osg/Shape>
namespace osgEarth
{
/**
* Utility class that re-interprets an image as a heightfield and vice-versa.
*/
class OSGEARTH_EXPORT ImageToHeightFieldConverter
{
public:
ImageToHeightFieldConverter();
/** dtor */
virtual ~ImageToHeightFieldConverter() { }
/**
* Instruct the converter to detect and replace "no data" values. It will
* try to interpolate the proper value, or fall back on the provided value
* if the interpolation fails.
*/
void setRemoveNoDataValues( bool value, float fallback =0.0f );
public:
/**
* Converts an image to a heightfield.
*/
osg::HeightField* convert(const osg::Image* image );
osg::HeightField* convert(const osg::Image* image, float scaleFactor );
/**
* Converts a heightfield to an image.
*/
osg::Image* convert(const osg::HeightField* hf, int pixelSize = 32);
private:
osg::HeightField* convert16(const osg::Image* image ) const;
osg::HeightField* convert32(const osg::Image* image ) const;
osg::Image* convert16(const osg::HeightField* hf ) const;
osg::Image* convert32(const osg::HeightField* hf ) const;
bool _replace_nodata;
float _nodata_value;
};
}
#endif //OSGEARTH_IMAGE_TO_HEIGHTFIELD_CONVERTER
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