/usr/include/osgEarth/GeometryClamper is in libosgearth-dev 2.9.0+dfsg-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 | /* -*-c++-*- */
/* osgEarth - Dynamic map generation toolkit for OpenSceneGraph
* Copyright 2016 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_GEOMETRY_CLAMPER
#define OSGEARTH_GEOMETRY_CLAMPER 1
#include <osgEarth/Common>
#include <osgEarth/SpatialReference>
#include <osgEarth/Terrain>
#include <osgUtil/LineSegmentIntersector>
#include <osg/NodeVisitor>
#include <osg/fast_back_stack>
namespace osgEarth
{
/**
* Utility that takes existing OSG geometry and modifies it so that
* it "conforms" with a terrain patch.
* TODO: Consider relocating this into Annotation namespace
*/
class OSGEARTH_EXPORT GeometryClamper : public osg::NodeVisitor
{
public:
GeometryClamper();
virtual ~GeometryClamper() { }
void setTerrainPatch(osg::Node* node) { _terrainPatch = node; }
osg::Node* getTerrainPatch() const { return _terrainPatch.get(); }
void setTerrainSRS(const SpatialReference* srs) { _terrainSRS = srs; }
const SpatialReference* getTerrainSRS() const { return _terrainSRS.get(); }
void setPreserveZ(bool value) { _preserveZ = value; }
bool getPreserveZ() const { return _preserveZ; }
void setScale(float scale) { _scale = scale; }
float getScale() const { return _scale; }
void setOffset(float offset) { _offset = offset; }
float getOffset() const { return _offset; }
public: // osg::NodeVisitor
void apply( osg::Drawable& );
void apply( osg::Transform& );
protected:
osg::ref_ptr<osg::Node> _terrainPatch;
osg::ref_ptr<const SpatialReference> _terrainSRS;
bool _preserveZ;
float _scale;
float _offset;
osg::fast_back_stack<osg::Matrixd> _matrixStack;
osg::ref_ptr<osgUtil::LineSegmentIntersector> _lsi;
};
class GeometryClamperCallback : public osgEarth::TerrainCallback
{
public:
GeometryClamperCallback();
virtual ~GeometryClamperCallback() { }
/** Access to configure the underlying clamper */
GeometryClamper& getClamper() { return _clamper; }
const GeometryClamper& getClamper() const { return _clamper; }
public: // TerrainCallback
virtual void onTileAdded(
const TileKey& key,
osg::Node* tile,
TerrainCallbackContext& context);
protected:
GeometryClamper _clamper;
};
} // namespace osgEarth
#endif // OSGEARTH_GEOMETRY_CLAMPER
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