/usr/include/osgEarthUtil/PolyhedralLineOfSight is in libosgearth-dev 2.5.0+dfsg-8build1.
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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 OSGEARTHUTIL_VOLUME_LINEOFSIGHT
#define OSGEARTHUTIL_VOLUME_LINEOFSIGHT 1
#include <osgEarthUtil/LineOfSight>
#include <osgEarth/MapNode>
#include <osgEarth/GeoData>
#include <osgEarth/Units>
#include <osgEarthAnnotation/LocalizedNode>
#include <osgEarth/Terrain>
#include <osg/Geode>
namespace osgEarth { namespace Util
{
using namespace osgEarth;
using namespace osgEarth::Annotation;
/**
* A Node that display a line of sight polytope.
*/
class OSGEARTHUTIL_EXPORT PolyhedralLineOfSightNode : public LocalizedNode
{
public:
/**
* Constructs a new PolyhedralLineOfSightNode.
* @param mapNode MapNode this LOS is operating under.
*/
PolyhedralLineOfSightNode( MapNode* mapNode );
virtual ~PolyhedralLineOfSightNode();
/**
* The maximum sampling range from the center point
*/
void setDistance( const Distance& value );
const Distance& getDistance() const { return _distance; }
/**
* The azimuthal range for the LOS sampling
*/
void setAzimuthalRange( const Angle& start, const Angle& end );
void getAximuthalRange( Angle& out_start, Angle& out_end );
/**
* The elevation (pitch) range for the LOS sampling
*/
void setElevationRange( const Angle& start, const Angle& end );
void getElevationRange( Angle& out_start, Angle& out_end );
/**
* The sample spacing (in both azimuth and elevation)
*/
void setSampleSpacing( const Angle& spacing );
const Angle& getSampleSpacing() const { return _spacing; }
/**
* Manage callbacks that report whether the LOS has changed
*/
void addChangedCallback( LOSChangedCallback* callback );
void removeChangedCallback( LOSChangedCallback* callback );
public: // LocalizedNode
virtual bool setPosition( const GeoPoint& pos );
virtual osg::MatrixTransform* getTransform() { return _xform.get(); }
public: // MapNodeObserver
virtual void setMapNode( MapNode* mapNode );
public:
// internal: called when the underlying terrain changes and resampling
// is required
void terrainChanged( const osgEarth::TileKey& tileKey, osg::Node* terrain );
virtual void traverse(osg::NodeVisitor& nv);
protected:
Angle _startAzim, _endAzim;
Angle _startElev, _endElev;
Angle _spacing;
Distance _distance;
LOSChangedCallbackList _changedCallbacks;
unsigned _numRows;
unsigned _numCols;
osg::Geode* _geode;
GeoExtent _extent;
osg::ref_ptr<osg::MatrixTransform> _xform;
osg::ref_ptr< TerrainCallback > _terrainCallback;
void dirty();
void rebuildGeometry();
void updateSamples();
void recalculateExtent();
};
} } // namespace osgEarth::Util
#endif // OSGEARTHUTIL_VOLUME_LINEOFSIGHT
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