/usr/include/osgEarthUtil/ContourMap is in libosgearth-dev 2.5.0+dfsg-8build1.
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 2008-2012 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 OSGEARTHUTIL_CONTOUR_MAP_H
#define OSGEARTHUTIL_CONTOUR_MAP_H
#include <osgEarthUtil/Common>
#include <osgEarth/TerrainEffect>
#include <osgEarth/ImageLayer>
#include <osg/Texture1D>
#include <osg/TransferFunction>
namespace osgEarth {
class Map;
}
namespace osgEarth { namespace Util
{
/**
* Terrain effect that applies a 1D contour coloring texture
* to the terrain based an on elevation->color map.
*/
class OSGEARTHUTIL_EXPORT ContourMap : public TerrainEffect
{
public:
/** construct a new effect */
ContourMap();
/** Sets a custom transfer function. */
void setTransferFunction(osg::TransferFunction1D* xf);
osg::TransferFunction1D* getTransferFunction() const { return _xfer.get(); }
/** Sets the opacity of the effect (default = 1.0) */
void setOpacity(float value);
public: // TerrainEffect interface
void onInstall(TerrainEngineNode* engine);
void onUninstall(TerrainEngineNode* engine);
public: // serialization
ContourMap(const Config& conf);
void mergeConfig(const Config& conf);
virtual Config getConfig() const;
protected:
virtual ~ContourMap();
void init();
int _unit;
osg::ref_ptr<osg::TransferFunction1D> _xfer;
osg::ref_ptr<osg::Texture1D> _xferTexture;
osg::ref_ptr<osg::Uniform> _xferSampler;
osg::ref_ptr<osg::Uniform> _xferMin;
osg::ref_ptr<osg::Uniform> _xferRange;
osg::ref_ptr<osg::Uniform> _opacityUniform;
optional<float> _opacity;
};
} } // namespace osgEarth::Util
#endif // OSGEARTHUTIL_CONTOUR_MAP_H
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