/* -*-c++-*- */ /* 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 OSGEARTH_ELEVATIONLOD_H #define OSGEARTH_ELEVATIONLOD_H 1 #include <osgEarth/Common> #include <osgEarth/SpatialReference> #include <osg/Group> namespace osgEarth { /** * Decorator node that will only display it's children when the * camera is within a given elevation range and/or within a * given camera range. */ class OSGEARTH_EXPORT ElevationLOD : public osg::Group { public: META_Node(osgEarth, ElevationLOD); ElevationLOD(); ElevationLOD(const ElevationLOD& rhs, const osg::CopyOp& op); ElevationLOD(const SpatialReference* srs); ElevationLOD(const SpatialReference* srs, double minElevation, double maxElevation); double getMinElevation() const; void setMinElevation( double minElevation ); double getMaxElevation() const; void setMaxElevation(double maxElevation ); void setElevations( double minElevation, double maxElevation ); float getMinRange() const; void setMinRange(float minRange); float getMaxRange() const; void setMaxRange(float maxRange); void setRanges( float minRange, float maxRange ); public: // osg::Node virtual void traverse( osg::NodeVisitor& nv); protected: virtual ~ElevationLOD(); private: osg::ref_ptr< const SpatialReference > _srs; optional<double> _minElevation; optional<double> _maxElevation; optional<float> _minRange; optional<float> _maxRange; }; } // namespace osgEarth #endif // OSGEARTH_ELEVATIONLOD_H