osgEarth 2.1.1

/home/cube/sources/osgearth/src/osgEarthDrivers/engine_droam/GeodeticManifold

Go to the documentation of this file.
00001 /* -*-c++-*- */
00002 /* osgEarth - Dynamic map generation toolkit for OpenSceneGraph
00003  * Copyright 2008-2009 Pelican Ventures, Inc.
00004  * http://osgearth.org
00005  *
00006  * osgEarth is free software; you can redistribute it and/or modify
00007  * it under the terms of the GNU Lesser General Public License as published by
00008  * the Free Software Foundation; either version 2 of the License, or
00009  * (at your option) any later version.
00010  *
00011  * This program is distributed in the hope that it will be useful,
00012  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00013  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00014  * GNU Lesser General Public License for more details.
00015  *
00016  * You should have received a copy of the GNU Lesser General Public License
00017  * along with this program.  If not, see <http://www.gnu.org/licenses/>
00018  */
00019 #ifndef OSGEARTH_DROAM_ENGINE_GEODETIC_MANIFOLD_H
00020 #define OSGEARTH_DROAM_ENGINE_GEODETIC_MANIFOLD_H 1
00021 
00022 #include "Manifold"
00023 #include "MeshManager"
00024 #include "Diamond"
00025 #include <osg/CoordinateSystemNode>
00026 #include <osgEarth/Profile>
00027 
00029 class GeodeticManifold : public Manifold
00030 {
00031 public:
00032     GeodeticManifold();
00033 
00034 public:
00036     void seed( Level maxLevel );
00037 
00039     void cull( osgUtil::CullVisitor* cv );
00040 
00041 public: // Manifold overrides
00042 
00044     void initialize( MeshManager* mesh ); // override
00045 
00047     osg::Vec3d midpoint( const osg::Vec3d& mapCoord0, const osg::Vec3d& mapCoord1 ) const;
00048 
00050     osg::BoundingSphere initialBound() const;
00051 
00053     MeshNode createNode( const osg::Vec3d& manifoldCoord ) const;
00054 
00055 public:
00056     osg::BoundingSphere _bs;
00057     osg::ref_ptr<const Profile> _profile;
00058     osg::ref_ptr<const osg::EllipsoidModel> _ellipsoid;
00059     osg::ref_ptr<Diamond> _vd[6];  // vertex diamonds
00060     osg::ref_ptr<Diamond> _fd[4];  // intermediate base diamonds
00061     osg::ref_ptr<Diamond> _ed[8];  // first geometry diamonds
00062 
00063     osg::Vec3d p(double x, double y, double z);
00064 };
00065 
00066 #endif // OSGEARTH_DROAM_ENGINE_GEODETIC_MANIFOLD_H
 All Classes Namespaces Files Functions Variables Typedefs Enumerations Enumerator Friends Defines