/usr/include/osgEarth/LocalTangentPlane 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 2008-2013 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 OSGEARTH_LOCAL_TANGENT_PLANE_H
#define OSGEARTH_LOCAL_TANGENT_PLANE_H 1
#include <osgEarth/Common>
#include <osgEarth/Profile>
#include <osgEarth/TileKey>
#include <osgEarth/Locators>
namespace osgEarth
{
/**
* Local Tangent Plane SRS.
* Please call SpatialReference::createLTP() to construct one of these.
*/
class TangentPlaneSpatialReference : public SpatialReference
{
public:
TangentPlaneSpatialReference(void* handle, const osg::Vec3d& originLLA);
/** dtor */
virtual ~TangentPlaneSpatialReference() { }
// CUBE is a projected coordinate system.
virtual bool isGeographic() const { return false; }
virtual bool isProjected() const { return true; }
// This SRS uses a WGS84 lat/long SRS under the hood for reprojection. So we need the
// pre/post transforms to move from LTP to Geodetic and back.
virtual bool preTransform(double& x, double& y, double& z, void* context) const;
virtual bool postTransform(double& x, double& y, double& z, void* context) const;
protected: // SpatialReference overrides
void _init();
bool _isEquivalentTo( const SpatialReference* srs ) const;
private:
osg::Vec3d _originLLA;
osg::Matrixd _local2world, _world2local;
};
}
#endif // OSGEARTH_LOCAL_TANGENT_PLANE_H
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