/usr/include/osgEarthFeatures/MeshClamper 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_MESH_CLAMPER_H
#define OSGEARTHFEATURES_MESH_CLAMPER_H 1
#include <osgEarthFeatures/Common>
#include <osgEarth/SpatialReference>
#include <osg/NodeVisitor>
#include <osg/fast_back_stack>
namespace osgEarth { namespace Features
{
using namespace osgEarth;
/**
* Utility that takes existing OSG geometry and modifies it so that
* it "conforms" with a terrain patch.
*/
class OSGEARTHFEATURES_EXPORT MeshClamper : public osg::NodeVisitor
{
public:
/**
* Construct a new mesh clamper.
*
* @param terrainPatch
* Node graph to which to clamp visited geometry.
* @param terrainSRS
* Spatial reference of the map represented by the terrain patch.
* @param geocentric
* Whether the terrain is geocentric (ECEF)
* @param preserveZ
* Whether to preserve the original Z (the height above sea level) as an offset
* @param scale
* (optional) Scale factor for the clamped height value
* @param offset
* (optional) Static offset for the clamped height value
*/
MeshClamper(
osg::Node* terrainPatch,
const SpatialReference* terrainSRS,
bool geocentric,
bool preserveZ =false,
double scale =1.0,
double offset =0.0 );
virtual ~MeshClamper() { }
osg::Node* getTerrainPatch() const { return _terrainPatch.get(); }
const SpatialReference* getTerrainSRS() const { return _terrainSRS.get(); }
bool isGeocentric() const { return _geocentric; }
public: // osg::NodeVisitor
void apply( osg::Geode& );
void apply( osg::Transform& );
protected:
osg::ref_ptr<osg::Node> _terrainPatch;
osg::ref_ptr<const SpatialReference> _terrainSRS;
bool _geocentric;
bool _preserveZ;
double _scale;
double _offset;
osg::fast_back_stack<osg::Matrixd> _matrixStack;
};
} } // namespace osgEarth::Features
#endif // OSGEARTHFEATURES_MESH_CLAMPER_H
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