/usr/include/osgEarth/MapNode is in libosgearth-dev 2.7.0+dfsg-2+b3.
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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.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
* IN THE SOFTWARE.
*
* 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_MAPNODE_H
#define OSGEARTH_MAPNODE_H 1
#include <osgEarth/Common>
#include <osgEarth/Map>
#include <osgEarth/MapNodeOptions>
#include <osgEarth/SpatialReference>
#include <osgEarth/TerrainEngineNode>
#include <osgEarth/Extension>
namespace osgEarth
{
class OverlayDecorator;
class Terrain;
class MapNodeCullData;
/**
* OSG Node that forms the root of an osgEarth map. This node is a "view" component
* that renders data from a "Map" data model.
*/
class OSGEARTH_EXPORT MapNode : public osg::Group
{
public:
/**
* Attempts to load a MapNOde from a ".earth" file in the arguments list
*/
static MapNode* load( class osg::ArgumentParser& arguments );
public:
/**
* Creates an empty map node.
*/
MapNode();
/**
* Creates an empty map node.
*
* @param options
* Tile creation and rendering properties
*/
MapNode( const MapNodeOptions& options );
/**
* Creates a new map node.
*
* @param map
* Map data that this map node will render.
*/
MapNode( Map* map );
/**
* Creates a new map node.
*
* @param map
* Map data that this map node will render.
* @param options
* Tile creation and rendering properties
*/
MapNode( Map* map, const MapNodeOptions& options );
public:
virtual const char* libraryName() const { return "osgEarth"; }
virtual const char* className() const { return "MapNode"; }
/**
* Gets the Map that this MapNode is rendering.
*/
Map* getMap();
const Map* getMap() const;
/**
* Gets the spatial reference system of the underlying map.
* Convenience function.
*/
const SpatialReference* getMapSRS() const;
/**
* Gets an interface for querying the in-memory terrain scene graph directly.
*/
Terrain* getTerrain();
const Terrain* getTerrain() const;
/**
* Finds the topmost Map node in the specified scene graph, or returns NULL if
* no Map node exists in the graph.
*
* @param graph
* Node graph in which to search for a MapNode
* @param travMask
* Traversal mask to apply while searching
*/
static MapNode* findMapNode( osg::Node* graph, unsigned travMask =~0 );
static MapNode* get( osg::Node* graph, unsigned travMask =~0 ) { return findMapNode(graph, travMask); }
/**
* Returns true if the realized terrain model is geocentric, false if
* it is flat/projected.
*/
bool isGeocentric() const;
/**
* Accesses the group node that contains all the ModelLayers.
*/
osg::Group* getModelLayerGroup() const;
/**
* Accesses the root node for a specific ModelLayer.
*/
osg::Node* getModelLayerNode( ModelLayer* layer ) const;
/**
* Adds a node that decorates the terrain groups
*/
void addTerrainDecorator( osg::Group* decorator );
/**
* Removes a node previously added via addTerrainDecorator.
*/
void removeTerrainDecorator( osg::Group* decorator );
/**
* Gets the overlay decorator in this mapnode. Usually you do not need to
* access this directly. Instead install a DrapeableNode in the scene graph.
*/
OverlayDecorator* getOverlayDecorator() { return _overlayDecorator; }
/**
* Gets the engine properties associated with this node. The engine
* properties dictate how the map engine will create scene graph elements.
*/
const MapNodeOptions& getMapNodeOptions() const;
/**
* Gets the underlying terrain engine that renders the terrain surface of the map.
*/
TerrainEngineNode* getTerrainEngine() const;
/**
* Gets the Config object serializing external data. External data is information
* that osgEarth itself does not control, but that an app can include in the
* MapNode for the purposes of including it in a .earth file.
*/
Config& externalConfig() { return _externalConf; }
const Config& externalConfig() const { return _externalConf; }
/**
* Adds an Extension and calls its startup method with this MapNode.
*/
void addExtension(Extension* extension, const osgDB::Options* options =0L);
/**
* Removes an extension, and calls its shutdown method with this MapNode.
*/
void removeExtension(Extension* extension);
/**
* Removes all extensions, calling each one's shutdown method this this MapNode.
*/
void clearExtensions();
/**
* Access the extensions vector.
*/
const std::vector< osg::ref_ptr<Extension> >& getExtensions() const { return _extensions; }
public: // special purpose
/**
* Constructs a mapnode, optionally specifying whether th intialize the
* data sources in the map. Typically you would only use this CTOR if you are
* strictly using the MapNode for serialization.
*/
MapNode( Map* map, const MapNodeOptions& options, bool initMap );
public: //override osg::Node
virtual osg::BoundingSphere computeBound() const;
virtual void traverse( class osg::NodeVisitor& nv );
protected:
virtual ~MapNode();
private:
unsigned int _id;
osg::ref_ptr<Map> _map;
osg::ref_ptr< osg::Group > _models;
osg::ref_ptr< osg::Group > _overlayModels;
OverlayDecorator* _overlayDecorator;
MapNodeOptions _mapNodeOptions;
Config _externalConf;
// keep track of nodes created by model layers
typedef std::map<ModelLayer*, osg::ref_ptr< osg::Node > > ModelLayerNodeMap;
ModelLayerNodeMap _modelLayerNodes;
osg::Group* _maskLayerNode;
unsigned _lastNumBlacklistedFilenames;
osg::ref_ptr<TerrainEngineNode> _terrainEngine;
bool _terrainEngineInitialized;
osg::Group* _terrainEngineContainer;
std::vector< osg::ref_ptr<Extension> > _extensions;
public: // MapCallback proxy
void onModelLayerAdded( ModelLayer*, unsigned int );
void onModelLayerRemoved( ModelLayer* );
void onModelLayerMoved( ModelLayer* layer, unsigned int oldIndex, unsigned int newIndex );
public:
struct TileRangeData : public osg::Referenced {
TileRangeData(double minRange, double maxRange) : _minRange( minRange ), _maxRange( maxRange ) { }
double _minRange;
double _maxRange;
};
private:
osg::ref_ptr< MapCallback > _mapCallback;
void init();
MapNodeCullData* getCullData(osg::Camera* camera) const;
typedef std::map<osg::Camera*, osg::ref_ptr<MapNodeCullData> > CullDataMap;
mutable CullDataMap _cullData;
mutable Threading::ReadWriteMutex _cullDataMutex;
};
} // namespace osgEarth
#endif // OSGEARTH_MAPNODE_H
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