/usr/include/osgEarthFeatures/AltitudeFilter 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 OSGEARTHFEATURES_CLAMP_FILTER_H
#define OSGEARTHFEATURES_CLAMP_FILTER_H 1
#include <osgEarthFeatures/Common>
#include <osgEarthFeatures/Feature>
#include <osgEarthFeatures/Filter>
namespace osgEarth { namespace Features
{
using namespace osgEarth;
/**
* Feature filter that will clamp incoming feature geometry to an elevation model.
*/
class OSGEARTHFEATURES_EXPORT AltitudeFilter : public FeatureFilter
{
public:
/** Constructs a new clamping filter */
AltitudeFilter();
virtual ~AltitudeFilter() { }
public: // properties
/** Shortcut to set any properties that are represented in a style. */
void setPropertiesFromStyle( const Style& style );
/** Maximum terrain resolution to consider when clamping */
void setMaxResolution( double value ) { _maxRes = value; }
double getMaxResolution() const { return _maxRes; }
public:
virtual FilterContext push( FeatureList& input, FilterContext& cx );
protected:
osg::ref_ptr<const AltitudeSymbol> _altitude;
double _maxRes;
std::string _maxZAttr, _minZAttr, _terrainZAttr;
void pushAndClamp( FeatureList& input, FilterContext& cx );
void pushAndDontClamp( FeatureList& input, FilterContext& cx );
};
} } // namespace osgEarth::Features
#endif // OSGEARTHFEATURES_CLAMP_FILTER_H
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