void
TerrainEngineNode::setMap(const Map* map, const TerrainOptions& options)
{
if (!map) return;
_map = map;
// Create a terrain utility interface. This interface can be used
// to query the in-memory terrain graph, subscribe to tile events, etc.
_terrainInterface = new Terrain( this, map->getProfile(), map->isGeocentric(), options );
// Set up the CSN values. We support this because some manipulators look for it,
// but osgEarth itself doesn't use it.
_map->getProfile()->getSRS()->populateCoordinateSystemNode( this );
// OSG's CSN likes a NULL ellipsoid to represent projected mode.
if ( !_map->isGeocentric() )
this->setEllipsoidModel( NULL );
// Install an object to manage texture image unit usage:
_textureResourceTracker = new TextureCompositor();
std::set<int> offLimits = osgEarth::Registry::instance()->getOffLimitsTextureImageUnits();
for(std::set<int>::const_iterator i = offLimits.begin(); i != offLimits.end(); ++i)
_textureResourceTracker->setTextureImageUnitOffLimits( *i );
// Register a callback so we can process further map model changes
_map->addMapCallback( new TerrainEngineNodeCallbackProxy(this) );
// Force a render bin if specified in the options
if ( options.binNumber().isSet() )
{
osg::StateSet* set = getOrCreateStateSet();
set->setRenderBinDetails( options.binNumber().get(), "RenderBin" );
}
// This is the object that creates the data model for each terrain tile.
_tileModelFactory = new TerrainTileModelFactory(options);
// Manually trigger the map callbacks the first time:
if (_map->getProfile())
onMapInfoEstablished(MapInfo(_map));
// Create a layer controller. This object affects the uniforms
// that control layer appearance properties
_imageLayerController = new ImageLayerController(_map, this);
// register the layer Controller it with all pre-existing image layers:
MapFrame mapf(_map);
ImageLayerVector imageLayers;
mapf.getLayers(imageLayers);
for (ImageLayerVector::const_iterator i = imageLayers.begin(); i != imageLayers.end(); ++i)
{
i->get()->addCallback(_imageLayerController.get());
}
_initStage = INIT_POSTINIT_COMPLETE;
}
void
TerrainEngineNode::preInitialize( const Map* map, const TerrainOptions& options )
{
_map = map;
// fire up a terrain utility interface
_terrainInterface = new Terrain( this, map->getProfile(), map->isGeocentric(), options );
// set up the CSN values
_map->getProfile()->getSRS()->populateCoordinateSystemNode( this );
// OSG's CSN likes a NULL ellipsoid to represent projected mode.
if ( !_map->isGeocentric() )
this->setEllipsoidModel( NULL );
// install an object to manage texture image unit usage:
_texCompositor = new TextureCompositor();
std::set<int> offLimits = osgEarth::Registry::instance()->getOffLimitsTextureImageUnits();
for(std::set<int>::const_iterator i = offLimits.begin(); i != offLimits.end(); ++i)
_texCompositor->setTextureImageUnitOffLimits( *i );
// then register the callback so we can process further map model changes
_map->addMapCallback( new TerrainEngineNodeCallbackProxy( this ) );
// apply render bin if necessary
if ( options.binNumber().isSet() )
{
osg::StateSet* set = getOrCreateStateSet();
set->setRenderBinDetails( options.binNumber().get(), "RenderBin" );
}
if ( options.enableMercatorFastPath().isSet() )
{
OE_INFO
<< LC << "Mercator fast path "
<< (options.enableMercatorFastPath()==true? "enabled" : "DISABLED") << std::endl;
}
// a default factory - this is the object that creates the data model for
// each terrain tile.
_tileModelFactory = new TerrainTileModelFactory(options);
_initStage = INIT_PREINIT_COMPLETE;
}