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;
}
}
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 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 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
}