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 the proper layer composition technique:
_texCompositor = new TextureCompositor();
// then register the callback so we can process further map model changes
_map->addMapCallback( new TerrainEngineNodeCallbackProxy( this ) );
// enable backface culling
osg::StateSet* set = getOrCreateStateSet();
set->setMode( GL_CULL_FACE, 1 );
if ( options.enableMercatorFastPath().isSet() )
{
OE_INFO
<< LC << "Mercator fast path "
<< (options.enableMercatorFastPath()==true? "enabled" : "DISABLED") << std::endl;
}
_initStage = INIT_PREINIT_COMPLETE;
}
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;
}
TextureCompositorMultiTexture::TextureCompositorMultiTexture( bool useGPU, const TerrainOptions& options ) :
_lodTransitionTime( *options.lodTransitionTime() ),
_enableMipmapping ( *options.enableMipmapping() ),
_minFilter ( *options.minFilter() ),
_magFilter ( *options.magFilter() ),
_useGPU ( useGPU )
{
_enableMipmappingOnUpdatedTextures = Registry::capabilities().supportsMipmappedTextureUpdates();
}
void
RexTerrainEngineNode::preInitialize( const Map* map, const TerrainOptions& options )
{
// Force the mercator fast path off, since REX does not support it yet.
TerrainOptions myOptions = options;
myOptions.enableMercatorFastPath() = false;
TerrainEngineNode::preInitialize( map, myOptions );
}
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 the proper layer composition technique:
_texCompositor = new TextureCompositor( options );
// prime the compositor with pre-existing image layers:
MapFrame mapf(map, Map::IMAGE_LAYERS);
for( unsigned i=0; i<mapf.imageLayers().size(); ++i )
{
_texCompositor->applyMapModelChange( MapModelChange(
MapModelChange::ADD_IMAGE_LAYER,
mapf.getRevision(),
mapf.getImageLayerAt(i),
i ) );
}
// then register the callback so we can process further map model changes
_map->addMapCallback( new TerrainEngineNodeCallbackProxy( this ) );
// enable backface culling
osg::StateSet* set = getOrCreateStateSet();
//set->setAttributeAndModes( new osg::CullFace( osg::CullFace::BACK ), osg::StateAttribute::ON );
set->setMode( GL_CULL_FACE, 1 );
// elevation uniform
// NOTE: wrong...this should be per-CullVisitor...consider putting in the Culling::CullUserData
_cameraElevationUniform = new osg::Uniform( osg::Uniform::FLOAT, "osgearth_CameraElevation" );
_cameraElevationUniform->set( 0.0f );
set->addUniform( _cameraElevationUniform.get() );
set->getOrCreateUniform( "osgearth_ImageLayerAttenuation", osg::Uniform::FLOAT )->set(
*options.attentuationDistance() );
if ( options.enableMercatorFastPath().isSet() )
{
OE_INFO
<< LC << "Mercator fast path "
<< (options.enableMercatorFastPath()==true? "enabled" : "DISABLED") << std::endl;
}
_initStage = INIT_PREINIT_COMPLETE;
}
void
TerrainEngineNode::validateTerrainOptions( TerrainOptions& options )
{
// make sure all the requested properties are compatible, and fall back as necessary.
//const Capabilities& caps = Registry::instance()->getCapabilities();
// warn against mixing multipass technique with preemptive/sequential mode:
if (options.compositingTechnique() == TerrainOptions::COMPOSITING_MULTIPASS &&
options.loadingPolicy()->mode() != LoadingPolicy::MODE_STANDARD )
{
OE_WARN << LC << "MULTIPASS compositor is incompatible with preemptive/sequential loading policy; "
<< "falling back on STANDARD mode" << std::endl;
options.loadingPolicy()->mode() = LoadingPolicy::MODE_STANDARD;
}
}
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;
}
void
MapNodeOptions::setTerrainOptions( const TerrainOptions& options )
{
_terrainOptionsConf = options.getConfig();
if ( _terrainOptions )
{
delete _terrainOptions;
_terrainOptions = 0L;
}
}
void
OSGTerrainEngineNode::preInitialize( const Map* map, const TerrainOptions& options )
{
TerrainEngineNode::preInitialize( map, options );
_isStreaming =
options.loadingPolicy()->mode() == LoadingPolicy::MODE_PREEMPTIVE ||
options.loadingPolicy()->mode() == LoadingPolicy::MODE_SEQUENTIAL;
// in standard mode, try to set the number of OSG DatabasePager threads to use.
if ( options.loadingPolicy().isSet() && !_isStreaming )
{
int numThreads = -1;
if ( options.loadingPolicy()->numLoadingThreads().isSet() )
{
numThreads = osg::maximum( 1, *options.loadingPolicy()->numLoadingThreads() );
}
else if ( options.loadingPolicy()->numLoadingThreadsPerCore().isSet() )
{
float numThreadsPerCore = *options.loadingPolicy()->numLoadingThreadsPerCore();
numThreads = osg::maximum( (int)1, (int)osg::round(
numThreadsPerCore * (float)OpenThreads::GetNumberOfProcessors() ) );
}
if ( numThreads > 0 )
{
OE_INFO << LC << "Requesting " << numThreads << " database pager threads in STANDARD mode" << std::endl;
osg::DisplaySettings::instance()->setNumOfDatabaseThreadsHint( numThreads );
//osg::DisplaySettings::instance()->setNumOfHttpDatabaseThreadsHint( numThreads );
}
}
}
void
TerrainEngineNode::preInitialize( const Map* map, const TerrainOptions& options )
{
_map = map;
// 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 the proper layer composition technique:
_texCompositor = new TextureCompositor( options );
// prime the compositor with pre-existing image layers:
MapFrame mapf(map, Map::IMAGE_LAYERS);
for( unsigned i=0; i<mapf.imageLayers().size(); ++i )
{
_texCompositor->applyMapModelChange( MapModelChange(
MapModelChange::ADD_IMAGE_LAYER,
mapf.getRevision(),
mapf.getImageLayerAt(i),
i ) );
}
// then register the callback so we can process further map model changes
_map->addMapCallback( new TerrainEngineNodeCallbackProxy( this ) );
// enable backface culling
osg::StateSet* set = getOrCreateStateSet();
set->setAttributeAndModes( new osg::CullFace( osg::CullFace::BACK ), osg::StateAttribute::ON );
// elevation uniform
_cameraElevationUniform = new osg::Uniform( osg::Uniform::FLOAT, "osgearth_CameraElevation" );
_cameraElevationUniform->set( 0.0f );
set->addUniform( _cameraElevationUniform.get() );
set->getOrCreateUniform( "osgearth_ImageLayerAttenuation", osg::Uniform::FLOAT )->set(
*options.attentuationDistance() );
_initStage = INIT_PREINIT_COMPLETE;
}
TextureCompositor::TextureCompositor(const TerrainOptions& options) :
osg::Referenced( true ),
_tech( options.compositingTechnique().value() ),
_options( options ),
_forceTech( false )
{
// for debugging:
if ( _tech == TerrainOptions::COMPOSITING_AUTO && ::getenv( "OSGEARTH_COMPOSITOR_TECH" ) )
{
TerrainOptions::CompositingTechnique oldTech = _tech;
std::string t( ::getenv( "OSGEARTH_COMPOSITOR_TECH" ) );
if ( t == "TEXTURE_ARRAY" ) _tech = TerrainOptions::COMPOSITING_TEXTURE_ARRAY;
else if ( t == "MULTITEXTURE_GPU" ) _tech = TerrainOptions::COMPOSITING_MULTITEXTURE_GPU;
else if ( t == "MULTIPASS" ) _tech = TerrainOptions::COMPOSITING_MULTIPASS;
if ( oldTech != _tech )
_forceTech = true;
}
init();
}
void
OSGTerrainEngineNode::preInitialize( const Map* map, const TerrainOptions& options )
{
TerrainEngineNode::preInitialize( map, options );
_isStreaming =
options.loadingPolicy()->mode() == LoadingPolicy::MODE_PREEMPTIVE ||
options.loadingPolicy()->mode() == LoadingPolicy::MODE_SEQUENTIAL;
// in standard mode, try to set the number of OSG DatabasePager threads to use.
if ( options.loadingPolicy().isSet() && !_isStreaming )
{
int numThreads = -1;
if ( options.loadingPolicy()->numLoadingThreads().isSet() )
{
numThreads = osg::maximum( 1, *options.loadingPolicy()->numLoadingThreads() );
}
else if ( options.loadingPolicy()->numLoadingThreadsPerCore().isSet() )
{
float numThreadsPerCore = *options.loadingPolicy()->numLoadingThreadsPerCore();
numThreads = osg::maximum( (int)1, (int)osg::round(
numThreadsPerCore * (float)OpenThreads::GetNumberOfProcessors() ) );
}
if ( numThreads > 0 )
{
// NOTE: this doesn't work. the pager gets created before we ever get here.
numThreads = osg::maximum(numThreads, 2);
int numHttpThreads = osg::clampBetween( numThreads/2, 1, numThreads-1 );
//OE_INFO << LC << "Requesting pager threads in STANDARD mode: local=" << numThreads << ", http=" << numHttpThreads << std::endl;
osg::DisplaySettings::instance()->setNumOfDatabaseThreadsHint( numThreads );
osg::DisplaySettings::instance()->setNumOfHttpDatabaseThreadsHint( numHttpThreads );
}
}
}
TextureCompositorTexArray::TextureCompositorTexArray( const TerrainOptions& options ) :
_lodTransitionTime( *options.lodTransitionTime() )
{
//nop
}
void GlobePlugin::setupMap()
{
QSettings settings;
QString cacheDirectory = settings.value( "cache/directory", QgsApplication::qgisSettingsDirPath() + "cache" ).toString();
TMSCacheOptions cacheOptions;
cacheOptions.setPath( cacheDirectory.toStdString() );
MapOptions mapOptions;
mapOptions.cache() = cacheOptions;
osgEarth::Map *map = new osgEarth::Map( mapOptions );
//Default image layer
GDALOptions driverOptions;
driverOptions.url() = QDir::cleanPath( QgsApplication::pkgDataPath() + "/globe/world.tif" ).toStdString();
ImageLayerOptions layerOptions( "world", driverOptions );
layerOptions.cacheEnabled() = false;
map->addImageLayer( new osgEarth::ImageLayer( layerOptions ) );
MapNodeOptions nodeOptions;
//nodeOptions.proxySettings() =
//nodeOptions.enableLighting() = false;
//LoadingPolicy loadingPolicy( LoadingPolicy::MODE_SEQUENTIAL );
TerrainOptions terrainOptions;
//terrainOptions.loadingPolicy() = loadingPolicy;
terrainOptions.compositingTechnique() = TerrainOptions::COMPOSITING_MULTITEXTURE_FFP;
nodeOptions.setTerrainOptions( terrainOptions );
// The MapNode will render the Map object in the scene graph.
mMapNode = new osgEarth::MapNode( map, nodeOptions );
//prefill cache
if ( !QFile::exists( cacheDirectory + "/worldwind_srtm" ) )
{
copyFolder( QgsApplication::pkgDataPath() + "/globe/data/worldwind_srtm", cacheDirectory + "/globe/worldwind_srtm" );
}
mRootNode = new osg::Group();
mRootNode->addChild( mMapNode );
// Add layers to the map
layersChanged();
// model placement utils
mElevationManager = new osgEarth::Util::ElevationManager( mMapNode->getMap() );
mElevationManager->setTechnique( osgEarth::Util::ElevationManager::TECHNIQUE_GEOMETRIC );
mElevationManager->setMaxTilesToCache( 50 );
mObjectPlacer = new osgEarth::Util::ObjectPlacer( mMapNode );
// place 3D model on point layer
if ( mSettingsDialog.modelLayer() && !mSettingsDialog.modelPath().isEmpty() )
{
osg::Node* model = osgDB::readNodeFile( mSettingsDialog.modelPath().toStdString() );
if ( model )
{
QgsVectorLayer* layer = mSettingsDialog.modelLayer();
QgsAttributeList fetchAttributes;
layer->select( fetchAttributes ); //TODO: select only visible features
QgsFeature feature;
while ( layer->nextFeature( feature ) )
{
QgsPoint point = feature.geometry()->asPoint();
placeNode( model, point.y(), point.x() );
}
}
}
}
void
RexTerrainEngineNode::postInitialize( const Map* map, const TerrainOptions& options )
{
// Force the mercator fast path off, since REX does not support it yet.
TerrainOptions myOptions = options;
myOptions.enableMercatorFastPath() = false;
TerrainEngineNode::postInitialize( map, myOptions );
// Initialize the map frames. We need one for the update thread and one for the
// cull thread. Someday we can detect whether these are actually the same thread
// (depends on the viewer's threading mode).
_update_mapf = new MapFrame( map, Map::ENTIRE_MODEL );
// A callback for overriding bounding boxes for tiles
_modifyBBoxCallback = new ModifyBoundingBoxCallback(*_update_mapf);
// merge in the custom options:
_terrainOptions.merge( myOptions );
// morphing imagery LODs requires we bind parent textures to their own unit.
if ( _terrainOptions.morphImagery() == true )
{
_requireParentTextures = true;
}
// Terrain morphing doesn't work in projected maps:
if (map->getSRS()->isProjected())
{
_terrainOptions.morphTerrain() = false;
}
// if the envvar for tile expiration is set, overide the options setting
const char* val = ::getenv("OSGEARTH_EXPIRATION_THRESHOLD");
if ( val )
{
_terrainOptions.expirationThreshold() = as<unsigned>(val, _terrainOptions.expirationThreshold().get());
OE_INFO << LC << "Expiration threshold set by env var = " << _terrainOptions.expirationThreshold().get() << "\n";
}
// if the envvar for hires prioritization is set, override the options setting
const char* hiresFirst = ::getenv("OSGEARTH_HIGH_RES_FIRST");
if ( hiresFirst )
{
_terrainOptions.highResolutionFirst() = true;
}
// check for normal map generation (required for lighting).
if ( _terrainOptions.normalMaps() == true )
{
this->_requireNormalTextures = true;
}
// A shared registry for tile nodes in the scene graph. Enable revision tracking
// if requested in the options. Revision tracking lets the registry notify all
// live tiles of the current map revision so they can inrementally update
// themselves if necessary.
_liveTiles = new TileNodeRegistry("live");
_liveTiles->setMapRevision( _update_mapf->getRevision() );
// A resource releaser that will call releaseGLObjects() on expired objects.
_releaser = new ResourceReleaser();
this->addChild(_releaser.get());
// A shared geometry pool.
_geometryPool = new GeometryPool( _terrainOptions );
_geometryPool->setReleaser( _releaser.get());
this->addChild( _geometryPool.get() );
// Make a tile loader
PagerLoader* loader = new PagerLoader( this );
loader->setNumLODs(_terrainOptions.maxLOD().getOrUse(DEFAULT_MAX_LOD));
loader->setMergesPerFrame( _terrainOptions.mergesPerFrame().get() );
for (std::vector<RexTerrainEngineOptions::LODOptions>::const_iterator i = _terrainOptions.lods().begin(); i != _terrainOptions.lods().end(); ++i) {
if (i->_lod.isSet()) {
loader->setLODPriorityScale(i->_lod.get(), i->_priorityScale.getOrUse(1.0f));
loader->setLODPriorityOffset(i->_lod.get(), i->_priorityOffset.getOrUse(0.0f));
}
}
_loader = loader;
this->addChild( _loader.get() );
// Make a tile unloader
_unloader = new UnloaderGroup( _liveTiles.get() );
_unloader->setThreshold( _terrainOptions.expirationThreshold().get() );
_unloader->setReleaser(_releaser.get());
this->addChild( _unloader.get() );
// handle an already-established map profile:
MapInfo mapInfo( map );
if ( _update_mapf->getProfile() )
{
// NOTE: this will initialize the map with the startup layers
onMapInfoEstablished( mapInfo );
}
// install a layer callback for processing further map actions:
map->addMapCallback( new RexTerrainEngineNodeMapCallbackProxy(this) );
// Prime with existing layers:
_batchUpdateInProgress = true;
ElevationLayerVector elevationLayers;
map->getLayers( elevationLayers );
for( ElevationLayerVector::const_iterator i = elevationLayers.begin(); i != elevationLayers.end(); ++i )
addElevationLayer( i->get() );
ImageLayerVector imageLayers;
map->getLayers( imageLayers );
for( ImageLayerVector::iterator i = imageLayers.begin(); i != imageLayers.end(); ++i )
addTileLayer( i->get() );
_batchUpdateInProgress = false;
// set up the initial shaders
updateState();
// register this instance to the osgDB plugin can find it.
registerEngine( this );
// now that we have a map, set up to recompute the bounds
dirtyBound();
}
void GlobePlugin::setupMap()
{
QSettings settings;
/*
QString cacheDirectory = settings.value( "cache/directory", QgsApplication::qgisSettingsDirPath() + "cache" ).toString();
TMSCacheOptions cacheOptions;
cacheOptions.setPath( cacheDirectory.toStdString() );
*/
MapOptions mapOptions;
//mapOptions.cache() = cacheOptions;
osgEarth::Map *map = new osgEarth::Map( mapOptions );
//Default image layer
/*
GDALOptions driverOptions;
driverOptions.url() = QDir::cleanPath( QgsApplication::pkgDataPath() + "/globe/world.tif" ).toStdString();
ImageLayerOptions layerOptions( "world", driverOptions );
map->addImageLayer( new osgEarth::ImageLayer( layerOptions ) );
*/
TMSOptions imagery;
imagery.url() = "http://readymap.org/readymap/tiles/1.0.0/7/";
map->addImageLayer( new ImageLayer( "Imagery", imagery ) );
MapNodeOptions nodeOptions;
//nodeOptions.proxySettings() =
//nodeOptions.enableLighting() = false;
//LoadingPolicy loadingPolicy( LoadingPolicy::MODE_SEQUENTIAL );
TerrainOptions terrainOptions;
//terrainOptions.loadingPolicy() = loadingPolicy;
terrainOptions.compositingTechnique() = TerrainOptions::COMPOSITING_MULTITEXTURE_FFP;
//terrainOptions.lodFallOff() = 6.0;
nodeOptions.setTerrainOptions( terrainOptions );
// The MapNode will render the Map object in the scene graph.
mMapNode = new osgEarth::MapNode( map, nodeOptions );
mRootNode = new osg::Group();
mRootNode->addChild( mMapNode );
// Add layers to the map
imageLayersChanged();
elevationLayersChanged();
// model placement utils
#ifdef HAVE_OSGEARTH_ELEVATION_QUERY
#else
mElevationManager = new osgEarth::Util::ElevationManager( mMapNode->getMap() );
mElevationManager->setTechnique( osgEarth::Util::ElevationManager::TECHNIQUE_GEOMETRIC );
mElevationManager->setMaxTilesToCache( 50 );
mObjectPlacer = new osgEarth::Util::ObjectPlacer( mMapNode );
// place 3D model on point layer
if ( mSettingsDialog->modelLayer() && !mSettingsDialog->modelPath().isEmpty() )
{
osg::Node* model = osgDB::readNodeFile( mSettingsDialog->modelPath().toStdString() );
if ( model )
{
QgsVectorLayer* layer = mSettingsDialog->modelLayer();
QgsFeatureIterator fit = layer->getFeatures( QgsFeatureRequest().setSubsetOfAttributes( QgsAttributeList() ) ); //TODO: select only visible features
QgsFeature feature;
while ( fit.nextFeature( feature ) )
{
QgsPoint point = feature.geometry()->asPoint();
placeNode( model, point.y(), point.x() );
}
}
}
#endif
}
