void
Map::clear()
{
ImageLayerVector imageLayersRemoved;
ElevationLayerVector elevLayersRemoved;
ModelLayerVector modelLayersRemoved;
MaskLayerVector maskLayersRemoved;
Revision newRevision;
{
Threading::ScopedWriteLock lock( _mapDataMutex );
imageLayersRemoved.swap( _imageLayers );
elevLayersRemoved.swap ( _elevationLayers );
modelLayersRemoved.swap( _modelLayers );
// calculate a new revision.
newRevision = ++_dataModelRevision;
}
// a separate block b/c we don't need the mutex
for( MapCallbackList::iterator i = _mapCallbacks.begin(); i != _mapCallbacks.end(); i++ )
{
for( ImageLayerVector::iterator k = imageLayersRemoved.begin(); k != imageLayersRemoved.end(); ++k )
i->get()->onMapModelChanged( MapModelChange(MapModelChange::REMOVE_IMAGE_LAYER, newRevision, k->get()) );
for( ElevationLayerVector::iterator k = elevLayersRemoved.begin(); k != elevLayersRemoved.end(); ++k )
i->get()->onMapModelChanged( MapModelChange(MapModelChange::REMOVE_ELEVATION_LAYER, newRevision, k->get()) );
for( ModelLayerVector::iterator k = modelLayersRemoved.begin(); k != modelLayersRemoved.end(); ++k )
i->get()->onMapModelChanged( MapModelChange(MapModelChange::REMOVE_MODEL_LAYER, newRevision, k->get()) );
}
}
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;
}
Revision
Map::getImageLayers( ImageLayerVector& out_list ) const
{
out_list.reserve( _imageLayers.size() );
Threading::ScopedReadLock lock( const_cast<Map*>(this)->_mapDataMutex );
for( ImageLayerVector::const_iterator i = _imageLayers.begin(); i != _imageLayers.end(); ++i )
out_list.push_back( i->get() );
return _dataModelRevision;
}
TerrainEngineNode::~TerrainEngineNode()
{
OE_DEBUG << LC << "~TerrainEngineNode\n";
//Remove any callbacks added to the image layers
if (_map)
{
MapFrame mapf( _map );
ImageLayerVector imageLayers;
mapf.getLayers(imageLayers);
for( ImageLayerVector::const_iterator i = imageLayers.begin(); i != imageLayers.end(); ++i )
{
i->get()->removeCallback( _imageLayerController.get() );
}
}
}
bool
OSGTileFactory::hasMoreLevels( Map* map, const TileKey& key )
{
//Threading::ScopedReadLock lock( map->getMapDataMutex() );
bool more_levels = false;
ImageLayerVector imageLayers;
map->getImageLayers( imageLayers );
for ( ImageLayerVector::const_iterator i = imageLayers.begin(); i != imageLayers.end(); i++ )
{
const ImageLayerOptions& opt = i->get()->getImageLayerOptions();
if ( !opt.maxLevel().isSet() || key.getLevelOfDetail() < (unsigned int)*opt.maxLevel() )
{
more_levels = true;
break;
}
}
if ( !more_levels )
{
ElevationLayerVector elevLayers;
map->getElevationLayers( elevLayers );
for( ElevationLayerVector::const_iterator j = elevLayers.begin(); j != elevLayers.end(); j++ )
{
const ElevationLayerOptions& opt = j->get()->getElevationLayerOptions();
if ( !opt.maxLevel().isSet() || key.getLevelOfDetail() < (unsigned int)*opt.maxLevel() )
//if ( !j->get()->maxLevel().isSet() || key.getLevelOfDetail() < j->get()->maxLevel().get() )
{
more_levels = true;
break;
}
}
}
return more_levels;
}
void
Map::setLayersFromMap( const Map* map )
{
this->clear();
if ( map )
{
ImageLayerVector newImages;
map->getImageLayers( newImages );
for( ImageLayerVector::iterator i = newImages.begin(); i != newImages.end(); ++i )
addImageLayer( i->get() );
ElevationLayerVector newElev;
map->getElevationLayers( newElev );
for( ElevationLayerVector::iterator i = newElev.begin(); i != newElev.end(); ++i )
addElevationLayer( i->get() );
ModelLayerVector newModels;
map->getModelLayers( newModels );
for( ModelLayerVector::iterator i = newModels.begin(); i != newModels.end(); ++i )
addModelLayer( i->get() );
}
}
void
updateControlPanel()
{
// erase all child controls and just rebuild them b/c we're lazy.
//Rebuild all the image layers
s_imageBox->clearControls();
int row = 0;
LabelControl* activeLabel = new LabelControl( "Image Layers", 20, osg::Vec4f(1,1,0,1) );
s_imageBox->setControl( 1, row++, activeLabel );
// the active map layers:
MapFrame mapf( s_activeMap.get() );
ImageLayerVector imageLayers;
mapf.getLayers(imageLayers);
int layerNum = imageLayers.size()-1;
for( ImageLayerVector::const_reverse_iterator i = imageLayers.rbegin(); i != imageLayers.rend(); ++i )
createLayerItem( s_imageBox, row++, layerNum--, imageLayers.size(), i->get(), true );
MapFrame mapf2( s_inactiveMap.get() );
imageLayers.clear();
mapf2.getLayers(imageLayers);
if ( imageLayers.size() > 0 )
{
LabelControl* inactiveLabel = new LabelControl( "Removed:", 18, osg::Vec4f(1,1,0,1) );
s_imageBox->setControl( 1, row++, inactiveLabel );
for( unsigned int i=0; i<imageLayers.size(); ++i )
{
createLayerItem( s_imageBox, row++, -1, -1, imageLayers[i].get(), false );
}
}
//Rebuild the elevation layers
s_elevationBox->clearControls();
row = 0;
activeLabel = new LabelControl( "Elevation Layers", 20, osg::Vec4f(1,1,0,1) );
s_elevationBox->setControl( 1, row++, activeLabel );
// the active map layers:
ElevationLayerVector elevationLayers;
mapf.getLayers(elevationLayers);
layerNum = elevationLayers.size()-1;
for( ElevationLayerVector::const_reverse_iterator i = elevationLayers.rbegin(); i != elevationLayers.rend(); ++i )
createLayerItem( s_elevationBox, row++, layerNum--, elevationLayers.size(), i->get(), true );
if ( mapf2.elevationLayers().size() > 0 )
{
LabelControl* inactiveLabel = new LabelControl( "Removed:", 18, osg::Vec4f(1,1,0,1) );
s_elevationBox->setControl( 1, row++, inactiveLabel );
for( unsigned int i=0; i<mapf2.elevationLayers().size(); ++i )
{
createLayerItem( s_elevationBox, row++, -1, -1, mapf2.elevationLayers().at(i), false );
}
}
//Rebuild the model layers
s_modelBox->clearControls();
row = 0;
activeLabel = new LabelControl( "Model Layers", 20, osg::Vec4f(1,1,0,1) );
s_modelBox->setControl( 1, row++, activeLabel );
// the active map layers:
ModelLayerVector modelLayers;
mapf.getLayers(modelLayers);
for( ModelLayerVector::const_reverse_iterator i = modelLayers.rbegin(); i != modelLayers.rend(); ++i )
createModelLayerItem( s_modelBox, row++, i->get(), true );
}
void
TileModelFactory::createTileModel(const TileKey& key,
const MapFrame& frame,
bool accumulate,
osg::ref_ptr<TileModel>& out_model,
ProgressCallback* progress)
{
osg::ref_ptr<TileModel> model = new TileModel( frame.getRevision(), frame.getMapInfo() );
model->_useParentData = _terrainReqs->parentTexturesRequired();
model->_tileKey = key;
model->_tileLocator = GeoLocator::createForKey(key, frame.getMapInfo());
OE_START_TIMER(fetch_imagery);
// Fetch the image data and make color layers.
unsigned index = 0;
unsigned order = 0;
ImageLayerVector imageLayers;
frame.getLayers(imageLayers);
for( ImageLayerVector::const_iterator i = imageLayers.begin(); i != imageLayers.end(); ++i )
{
ImageLayer* layer = i->get();
if ( layer->getEnabled() && layer->isKeyInRange(key) )
{
BuildColorData build;
build.init( key, layer, order, frame.getMapInfo(), _terrainOptions, _liveTiles.get(), model.get() );
bool addedToModel = build.execute(progress);
if ( addedToModel )
{
// only bump the order if we added something to the data model.
order++;
}
}
}
if (progress)
progress->stats()["fetch_imagery_time"] += OE_STOP_TIMER(fetch_imagery);
// make an elevation layer.
OE_START_TIMER(fetch_elevation);
buildElevation(key, frame, accumulate, _terrainReqs->elevationTexturesRequired(), model.get(), progress);
if (progress)
progress->stats()["fetch_elevation_time"] += OE_STOP_TIMER(fetch_elevation);
// make a normal map layer (if necessary)
if ( _terrainReqs->normalTexturesRequired() )
{
OE_START_TIMER(fetch_normalmap);
buildNormalMap(key, frame, accumulate, model.get(), progress);
if (progress)
progress->stats()["fetch_normalmap_time"] += OE_STOP_TIMER(fetch_normalmap);
}
// If nothing was added, not even a fallback heightfield, something went
// horribly wrong. Leave without a tile model. Chances are that a parent tile
// not not found in the live-tile registry.
if ( model->_colorData.size() == 0 && !model->_elevationData.getHeightField() )
{
return;
}
// OK we are making a tile, so if there's no heightfield yet, make an empty one (and mark it
// as fallback data of course)
if ( !model->_elevationData.getHeightField() )
{
osg::HeightField* hf = HeightFieldUtils::createReferenceHeightField( key.getExtent(), 15, 15, 0u );
model->_elevationData = TileModel::ElevationData(
hf,
GeoLocator::createForKey(key, frame.getMapInfo()),
true );
}
// look up the parent model and cache it.
osg::ref_ptr<TileNode> parentTile;
if ( _liveTiles->get(key.createParentKey(), parentTile) )
{
model->_parentModel = parentTile->getTileModel();
}
out_model = model.release();
}
void
MapNodeHelper::parse(MapNode* mapNode,
osg::ArgumentParser& args,
osgViewer::View* view,
osg::Group* root,
Control* userControl ) const
{
if ( !root )
root = mapNode;
// options to use for the load
osg::ref_ptr<osgDB::Options> dbOptions = Registry::instance()->cloneOrCreateOptions();
// parse out custom example arguments first:
bool useSky = args.read("--sky");
bool useOcean = args.read("--ocean");
bool useMGRS = args.read("--mgrs");
bool useDMS = args.read("--dms");
bool useDD = args.read("--dd");
bool useCoords = args.read("--coords") || useMGRS || useDMS || useDD;
bool useOrtho = args.read("--ortho");
bool useAutoClip = args.read("--autoclip");
bool useShadows = args.read("--shadows");
bool animateSky = args.read("--animate-sky");
bool showActivity = args.read("--activity");
bool useLogDepth = args.read("--logdepth");
bool useLogDepth2 = args.read("--logdepth2");
bool kmlUI = args.read("--kmlui");
if (args.read("--verbose"))
osgEarth::setNotifyLevel(osg::INFO);
if (args.read("--quiet"))
osgEarth::setNotifyLevel(osg::FATAL);
float ambientBrightness = 0.2f;
args.read("--ambientBrightness", ambientBrightness);
std::string kmlFile;
args.read( "--kml", kmlFile );
std::string imageFolder;
args.read( "--images", imageFolder );
std::string imageExtensions;
args.read("--image-extensions", imageExtensions);
// animation path:
std::string animpath;
if ( args.read("--path", animpath) )
{
view->setCameraManipulator( new osgGA::AnimationPathManipulator(animpath) );
}
// Install a new Canvas for our UI controls, or use one that already exists.
ControlCanvas* canvas = ControlCanvas::getOrCreate( view );
Container* mainContainer = canvas->addControl( new VBox() );
mainContainer->setAbsorbEvents( true );
mainContainer->setBackColor( Color(Color::Black, 0.8) );
mainContainer->setHorizAlign( Control::ALIGN_LEFT );
mainContainer->setVertAlign( Control::ALIGN_BOTTOM );
// install the user control:
if ( userControl )
mainContainer->addControl( userControl );
// look for external data in the map node:
const Config& externals = mapNode->externalConfig();
const Config& skyConf = externals.child("sky");
const Config& oceanConf = externals.child("ocean");
const Config& annoConf = externals.child("annotations");
const Config& declutterConf = externals.child("decluttering");
// some terrain effects.
// TODO: Most of these are likely to move into extensions.
const Config& lodBlendingConf = externals.child("lod_blending");
const Config& vertScaleConf = externals.child("vertical_scale");
const Config& contourMapConf = externals.child("contour_map");
// Adding a sky model:
if ( useSky || !skyConf.empty() )
{
SkyOptions options(skyConf);
if ( options.getDriver().empty() )
{
if ( mapNode->getMapSRS()->isGeographic() )
options.setDriver("simple");
else
options.setDriver("gl");
}
SkyNode* sky = SkyNode::create(options, mapNode);
if ( sky )
{
sky->attach( view, 0 );
if ( mapNode->getNumParents() > 0 )
{
osgEarth::insertGroup(sky, mapNode->getParent(0));
}
else
{
sky->addChild( mapNode );
root = sky;
}
Control* c = SkyControlFactory().create(sky, view);
if ( c )
mainContainer->addControl( c );
if (animateSky)
{
sky->setUpdateCallback( new AnimateSkyUpdateCallback() );
}
}
}
// Adding an ocean model:
if ( useOcean || !oceanConf.empty() )
{
OceanNode* ocean = OceanNode::create(OceanOptions(oceanConf), mapNode);
if ( ocean )
{
// if there's a sky, we want to ocean under it
osg::Group* parent = osgEarth::findTopMostNodeOfType<SkyNode>(root);
if ( !parent ) parent = root;
parent->addChild( ocean );
Control* c = OceanControlFactory().create(ocean);
if ( c )
mainContainer->addControl(c);
}
}
// Shadowing.
if ( useShadows )
{
ShadowCaster* caster = new ShadowCaster();
caster->setLight( view->getLight() );
caster->getShadowCastingGroup()->addChild( mapNode->getModelLayerGroup() );
if ( mapNode->getNumParents() > 0 )
{
insertGroup(caster, mapNode->getParent(0));
}
else
{
caster->addChild(mapNode);
root = caster;
}
}
// Loading KML from the command line:
if ( !kmlFile.empty() )
{
KMLOptions kml_options;
kml_options.declutter() = true;
// set up a default icon for point placemarks:
IconSymbol* defaultIcon = new IconSymbol();
defaultIcon->url()->setLiteral(KML_PUSHPIN_URL);
kml_options.defaultIconSymbol() = defaultIcon;
osg::Node* kml = KML::load( URI(kmlFile), mapNode, kml_options );
if ( kml )
{
if (kmlUI)
{
Control* c = AnnotationGraphControlFactory().create(kml, view);
if ( c )
{
c->setVertAlign( Control::ALIGN_TOP );
canvas->addControl( c );
}
}
root->addChild( kml );
}
else
{
OE_NOTICE << "Failed to load " << kmlFile << std::endl;
}
}
// Annotations in the map node externals:
if ( !annoConf.empty() )
{
osg::Group* annotations = 0L;
AnnotationRegistry::instance()->create( mapNode, annoConf, dbOptions.get(), annotations );
if ( annotations )
{
root->addChild( annotations );
}
}
// Configure the de-cluttering engine for labels and annotations:
if ( !declutterConf.empty() )
{
Decluttering::setOptions( DeclutteringOptions(declutterConf) );
}
// Configure the mouse coordinate readout:
if ( useCoords )
{
LabelControl* readout = new LabelControl();
readout->setBackColor( Color(Color::Black, 0.8) );
readout->setHorizAlign( Control::ALIGN_RIGHT );
readout->setVertAlign( Control::ALIGN_BOTTOM );
Formatter* formatter =
useMGRS ? (Formatter*)new MGRSFormatter(MGRSFormatter::PRECISION_1M, 0L, MGRSFormatter::USE_SPACES) :
useDMS ? (Formatter*)new LatLongFormatter(LatLongFormatter::FORMAT_DEGREES_MINUTES_SECONDS) :
useDD ? (Formatter*)new LatLongFormatter(LatLongFormatter::FORMAT_DECIMAL_DEGREES) :
0L;
MouseCoordsTool* mcTool = new MouseCoordsTool( mapNode );
mcTool->addCallback( new MouseCoordsLabelCallback(readout, formatter) );
view->addEventHandler( mcTool );
canvas->addControl( readout );
}
// Configure for an ortho camera:
if ( useOrtho )
{
EarthManipulator* manip = dynamic_cast<EarthManipulator*>(view->getCameraManipulator());
if ( manip )
{
manip->getSettings()->setCameraProjection( EarthManipulator::PROJ_ORTHOGRAPHIC );
}
}
// activity monitor (debugging)
if ( showActivity )
{
VBox* vbox = new VBox();
vbox->setBackColor( Color(Color::Black, 0.8) );
vbox->setHorizAlign( Control::ALIGN_RIGHT );
vbox->setVertAlign( Control::ALIGN_BOTTOM );
view->addEventHandler( new ActivityMonitorTool(vbox) );
canvas->addControl( vbox );
}
// Install an auto clip plane clamper
if ( useAutoClip )
{
mapNode->addCullCallback( new AutoClipPlaneCullCallback(mapNode) );
}
// Install logarithmic depth buffer on main camera
if ( useLogDepth )
{
OE_INFO << LC << "Activating logarithmic depth buffer on main camera" << std::endl;
osgEarth::Util::LogarithmicDepthBuffer logDepth;
logDepth.setUseFragDepth( true );
logDepth.install( view->getCamera() );
}
else if ( useLogDepth2 )
{
OE_INFO << LC << "Activating logarithmic depth buffer (vertex-only) on main camera" << std::endl;
osgEarth::Util::LogarithmicDepthBuffer logDepth;
logDepth.setUseFragDepth( false );
logDepth.install( view->getCamera() );
}
// Scan for images if necessary.
if ( !imageFolder.empty() )
{
std::vector<std::string> extensions;
if ( !imageExtensions.empty() )
StringTokenizer( imageExtensions, extensions, ",;", "", false, true );
if ( extensions.empty() )
extensions.push_back( "tif" );
OE_INFO << LC << "Loading images from " << imageFolder << "..." << std::endl;
ImageLayerVector imageLayers;
DataScanner scanner;
scanner.findImageLayers( imageFolder, extensions, imageLayers );
if ( imageLayers.size() > 0 )
{
mapNode->getMap()->beginUpdate();
for( ImageLayerVector::iterator i = imageLayers.begin(); i != imageLayers.end(); ++i )
{
mapNode->getMap()->addImageLayer( i->get() );
}
mapNode->getMap()->endUpdate();
}
OE_INFO << LC << "...found " << imageLayers.size() << " image layers." << std::endl;
}
// Install elevation morphing
if ( !lodBlendingConf.empty() )
{
mapNode->getTerrainEngine()->addEffect( new LODBlending(lodBlendingConf) );
}
// Install vertical scaler
if ( !vertScaleConf.empty() )
{
mapNode->getTerrainEngine()->addEffect( new VerticalScale(vertScaleConf) );
}
// Install a contour map effect.
if ( !contourMapConf.empty() )
{
mapNode->getTerrainEngine()->addEffect( new ContourMap(contourMapConf) );
}
// Generic named value uniform with min/max.
VBox* uniformBox = 0L;
while( args.find( "--uniform" ) >= 0 )
{
std::string name;
float minval, maxval;
if ( args.read( "--uniform", name, minval, maxval ) )
{
if ( uniformBox == 0L )
{
uniformBox = new VBox();
uniformBox->setBackColor(0,0,0,0.5);
uniformBox->setAbsorbEvents( true );
canvas->addControl( uniformBox );
}
osg::Uniform* uniform = new osg::Uniform(osg::Uniform::FLOAT, name);
uniform->set( minval );
root->getOrCreateStateSet()->addUniform( uniform, osg::StateAttribute::OVERRIDE );
HBox* box = new HBox();
box->addControl( new LabelControl(name) );
HSliderControl* hs = box->addControl( new HSliderControl(minval, maxval, minval, new ApplyValueUniform(uniform)));
hs->setHorizFill(true, 200);
box->addControl( new LabelControl(hs) );
uniformBox->addControl( box );
OE_INFO << LC << "Installed uniform controller for " << name << std::endl;
}
}
// Process extensions.
for(std::vector<osg::ref_ptr<Extension> >::const_iterator eiter = mapNode->getExtensions().begin();
eiter != mapNode->getExtensions().end();
++eiter)
{
Extension* e = eiter->get();
// Check for a View interface:
ExtensionInterface<osg::View>* viewIF = ExtensionInterface<osg::View>::get( e );
if ( viewIF )
viewIF->connect( view );
// Check for a Control interface:
ExtensionInterface<Control>* controlIF = ExtensionInterface<Control>::get( e );
if ( controlIF )
controlIF->connect( mainContainer );
}
root->addChild( canvas );
}
void
MapNodeHelper::parse(MapNode* mapNode,
osg::ArgumentParser& args,
osgViewer::View* view,
osg::Group* root,
Control* userControl ) const
{
// this is a dubious move.
if ( !root )
root = mapNode;
// options to use for the load
osg::ref_ptr<osgDB::Options> dbOptions = Registry::instance()->cloneOrCreateOptions();
// parse out custom example arguments first:
bool useSky = args.read("--sky");
bool useOcean = args.read("--ocean");
bool useMGRS = args.read("--mgrs");
bool useDMS = args.read("--dms");
bool useDD = args.read("--dd");
bool useCoords = args.read("--coords") || useMGRS || useDMS || useDD;
bool useOrtho = args.read("--ortho");
bool useAutoClip = args.read("--autoclip");
float ambientBrightness = 0.2f;
args.read("--ambientBrightness", ambientBrightness);
std::string kmlFile;
args.read( "--kml", kmlFile );
std::string imageFolder;
args.read( "--images", imageFolder );
std::string imageExtensions;
args.read("--image-extensions", imageExtensions);
// install a canvas for any UI controls we plan to create:
ControlCanvas* canvas = ControlCanvas::get(view, false);
Container* mainContainer = canvas->addControl( new VBox() );
mainContainer->setAbsorbEvents( true );
mainContainer->setBackColor( Color(Color::Black, 0.8) );
mainContainer->setHorizAlign( Control::ALIGN_LEFT );
mainContainer->setVertAlign( Control::ALIGN_BOTTOM );
// install the user control:
if ( userControl )
mainContainer->addControl( userControl );
// look for external data in the map node:
const Config& externals = mapNode->externalConfig();
const Config& skyConf = externals.child("sky");
const Config& oceanConf = externals.child("ocean");
const Config& annoConf = externals.child("annotations");
const Config& declutterConf = externals.child("decluttering");
Config viewpointsConf = externals.child("viewpoints");
// some terrain effects.
const Config& normalMapConf = externals.child("normal_map");
const Config& detailTexConf = externals.child("detail_texture");
const Config& lodBlendingConf = externals.child("lod_blending");
const Config& vertScaleConf = externals.child("vertical_scale");
const Config& contourMapConf = externals.child("contour_map");
// backwards-compatibility: read viewpoints at the top level:
const ConfigSet& old_viewpoints = externals.children("viewpoint");
for( ConfigSet::const_iterator i = old_viewpoints.begin(); i != old_viewpoints.end(); ++i )
viewpointsConf.add( *i );
// Loading a viewpoint list from the earth file:
if ( !viewpointsConf.empty() )
{
std::vector<Viewpoint> viewpoints;
const ConfigSet& children = viewpointsConf.children();
if ( children.size() > 0 )
{
for( ConfigSet::const_iterator i = children.begin(); i != children.end(); ++i )
{
viewpoints.push_back( Viewpoint(*i) );
}
}
if ( viewpoints.size() > 0 )
{
Control* c = ViewpointControlFactory().create(viewpoints, view);
if ( c )
mainContainer->addControl( c );
}
}
// Adding a sky model:
if ( useSky || !skyConf.empty() )
{
double hours = skyConf.value( "hours", 12.0 );
SkyNode* sky = new SkyNode( mapNode->getMap() );
sky->setAmbientBrightness( ambientBrightness );
sky->setDateTime( DateTime(2011, 3, 6, hours) );
sky->attach( view );
root->addChild( sky );
Control* c = SkyControlFactory().create(sky, view);
if ( c )
mainContainer->addControl( c );
}
// Adding an ocean model:
if ( useOcean || !oceanConf.empty() )
{
OceanSurfaceNode* ocean = new OceanSurfaceNode( mapNode, oceanConf );
if ( ocean )
{
root->addChild( ocean );
Control* c = OceanControlFactory().create(ocean, view);
if ( c )
mainContainer->addControl(c);
}
}
// Loading KML from the command line:
if ( !kmlFile.empty() )
{
KMLOptions kml_options;
kml_options.declutter() = true;
// set up a default icon for point placemarks:
IconSymbol* defaultIcon = new IconSymbol();
defaultIcon->url()->setLiteral(KML_PUSHPIN_URL);
kml_options.defaultIconSymbol() = defaultIcon;
osg::Node* kml = KML::load( URI(kmlFile), mapNode, kml_options );
if ( kml )
{
Control* c = AnnotationGraphControlFactory().create(kml, view);
if ( c )
{
c->setVertAlign( Control::ALIGN_TOP );
canvas->addControl( c );
}
root->addChild( kml );
}
}
// Annotations in the map node externals:
if ( !annoConf.empty() )
{
osg::Group* annotations = 0L;
AnnotationRegistry::instance()->create( mapNode, annoConf, dbOptions.get(), annotations );
if ( annotations )
{
root->addChild( annotations );
}
}
// Configure the de-cluttering engine for labels and annotations:
if ( !declutterConf.empty() )
{
Decluttering::setOptions( DeclutteringOptions(declutterConf) );
}
// Configure the mouse coordinate readout:
if ( useCoords )
{
LabelControl* readout = new LabelControl();
readout->setBackColor( Color(Color::Black, 0.8) );
readout->setHorizAlign( Control::ALIGN_RIGHT );
readout->setVertAlign( Control::ALIGN_BOTTOM );
Formatter* formatter =
useMGRS ? (Formatter*)new MGRSFormatter(MGRSFormatter::PRECISION_1M, 0L, MGRSFormatter::USE_SPACES) :
useDMS ? (Formatter*)new LatLongFormatter(LatLongFormatter::FORMAT_DEGREES_MINUTES_SECONDS) :
useDD ? (Formatter*)new LatLongFormatter(LatLongFormatter::FORMAT_DECIMAL_DEGREES) :
0L;
MouseCoordsTool* mcTool = new MouseCoordsTool( mapNode );
mcTool->addCallback( new MouseCoordsLabelCallback(readout, formatter) );
view->addEventHandler( mcTool );
canvas->addControl( readout );
}
// Configure for an ortho camera:
if ( useOrtho )
{
EarthManipulator* manip = dynamic_cast<EarthManipulator*>(view->getCameraManipulator());
if ( manip )
{
manip->getSettings()->setCameraProjection( EarthManipulator::PROJ_ORTHOGRAPHIC );
}
}
// Install an auto clip plane clamper
if ( useAutoClip )
{
mapNode->addCullCallback( new AutoClipPlaneCullCallback(mapNode) );
}
// Scan for images if necessary.
if ( !imageFolder.empty() )
{
std::vector<std::string> extensions;
if ( !imageExtensions.empty() )
StringTokenizer( imageExtensions, extensions, ",;", "", false, true );
if ( extensions.empty() )
extensions.push_back( "tif" );
OE_INFO << LC << "Loading images from " << imageFolder << "..." << std::endl;
ImageLayerVector imageLayers;
DataScanner scanner;
scanner.findImageLayers( imageFolder, extensions, imageLayers );
if ( imageLayers.size() > 0 )
{
mapNode->getMap()->beginUpdate();
for( ImageLayerVector::iterator i = imageLayers.begin(); i != imageLayers.end(); ++i )
{
mapNode->getMap()->addImageLayer( i->get() );
}
mapNode->getMap()->endUpdate();
}
OE_INFO << LC << "...found " << imageLayers.size() << " image layers." << std::endl;
}
// Install a normal map layer.
if ( !normalMapConf.empty() )
{
osg::ref_ptr<NormalMap> effect = new NormalMap(normalMapConf, mapNode->getMap());
if ( effect->getNormalMapLayer() )
{
mapNode->getTerrainEngine()->addEffect( effect.get() );
}
}
// Install a detail texturer
if ( !detailTexConf.empty() )
{
osg::ref_ptr<DetailTexture> effect = new DetailTexture(detailTexConf);
if ( effect->getImage() )
{
mapNode->getTerrainEngine()->addEffect( effect.get() );
}
}
// Install elevation morphing
if ( !lodBlendingConf.empty() )
{
mapNode->getTerrainEngine()->addEffect( new LODBlending(lodBlendingConf) );
}
// Install vertical scaler
if ( !vertScaleConf.empty() )
{
mapNode->getTerrainEngine()->addEffect( new VerticalScale(vertScaleConf) );
}
// Install a contour map effect.
if ( !contourMapConf.empty() )
{
mapNode->getTerrainEngine()->addEffect( new ContourMap(contourMapConf) );
}
// Generic named value uniform with min/max.
VBox* uniformBox = 0L;
while( args.find( "--uniform" ) >= 0 )
{
std::string name;
float minval, maxval;
if ( args.read( "--uniform", name, minval, maxval ) )
{
if ( uniformBox == 0L )
{
uniformBox = new VBox();
uniformBox->setBackColor(0,0,0,0.5);
uniformBox->setAbsorbEvents( true );
canvas->addControl( uniformBox );
}
osg::Uniform* uniform = new osg::Uniform(osg::Uniform::FLOAT, name);
uniform->set( minval );
root->getOrCreateStateSet()->addUniform( uniform, osg::StateAttribute::OVERRIDE );
HBox* box = new HBox();
box->addControl( new LabelControl(name) );
HSliderControl* hs = box->addControl( new HSliderControl(minval, maxval, minval, new ApplyValueUniform(uniform)));
hs->setHorizFill(true, 200);
box->addControl( new LabelControl(hs) );
uniformBox->addControl( box );
OE_INFO << LC << "Installed uniform controller for " << name << std::endl;
}
}
root->addChild( canvas );
}
void
MapNodeHelper::parse(MapNode* mapNode,
osg::ArgumentParser& args,
osgViewer::View* view,
osg::Group* root,
Container* userContainer ) const
{
if ( !root )
root = mapNode;
// options to use for the load
osg::ref_ptr<osgDB::Options> dbOptions = Registry::instance()->cloneOrCreateOptions();
// parse out custom example arguments first:
bool useMGRS = args.read("--mgrs");
bool useDMS = args.read("--dms");
bool useDD = args.read("--dd");
bool useCoords = args.read("--coords") || useMGRS || useDMS || useDD;
bool useAutoClip = args.read("--autoclip");
bool animateSky = args.read("--animate-sky");
bool showActivity = args.read("--activity");
bool useLogDepth = args.read("--logdepth");
bool useLogDepth2 = args.read("--logdepth2");
bool kmlUI = args.read("--kmlui");
if (args.read("--verbose"))
osgEarth::setNotifyLevel(osg::INFO);
if (args.read("--quiet"))
osgEarth::setNotifyLevel(osg::FATAL);
float ambientBrightness = 0.2f;
args.read("--ambientBrightness", ambientBrightness);
std::string kmlFile;
args.read( "--kml", kmlFile );
std::string imageFolder;
args.read( "--images", imageFolder );
std::string imageExtensions;
args.read("--image-extensions", imageExtensions);
// animation path:
std::string animpath;
if ( args.read("--path", animpath) )
{
view->setCameraManipulator( new osgGA::AnimationPathManipulator(animpath) );
}
// Install a new Canvas for our UI controls, or use one that already exists.
ControlCanvas* canvas = ControlCanvas::getOrCreate( view );
Container* mainContainer;
if ( userContainer )
{
mainContainer = userContainer;
}
else
{
mainContainer = new VBox();
mainContainer->setAbsorbEvents( true );
mainContainer->setBackColor( Color(Color::Black, 0.8) );
mainContainer->setHorizAlign( Control::ALIGN_LEFT );
mainContainer->setVertAlign( Control::ALIGN_BOTTOM );
}
canvas->addControl( mainContainer );
// Add an event handler to toggle the canvas with a key press;
view->addEventHandler(new ToggleCanvasEventHandler(canvas) );
// look for external data in the map node:
const Config& externals = mapNode->externalConfig();
//const Config& screenSpaceLayoutConf =
// externals.hasChild("screen_space_layout") ? externals.child("screen_space_layout") :
// externals.child("decluttering"); // backwards-compatibility
// some terrain effects.
// TODO: Most of these are likely to move into extensions.
const Config& lodBlendingConf = externals.child("lod_blending");
const Config& vertScaleConf = externals.child("vertical_scale");
// Shadowing.
if (args.read("--shadows"))
{
int unit;
if ( mapNode->getTerrainEngine()->getResources()->reserveTextureImageUnit(unit, "ShadowCaster") )
{
ShadowCaster* caster = new ShadowCaster();
caster->setTextureImageUnit( unit );
caster->setLight( view->getLight() );
caster->getShadowCastingGroup()->addChild( mapNode );
if ( mapNode->getNumParents() > 0 )
{
insertGroup(caster, mapNode->getParent(0));
}
else
{
caster->addChild(mapNode);
root = caster;
}
}
}
// Loading KML from the command line:
if ( !kmlFile.empty() )
{
KMLOptions kml_options;
kml_options.declutter() = true;
// set up a default icon for point placemarks:
IconSymbol* defaultIcon = new IconSymbol();
defaultIcon->url()->setLiteral(KML_PUSHPIN_URL);
kml_options.defaultIconSymbol() = defaultIcon;
TextSymbol* defaultText = new TextSymbol();
defaultText->halo() = Stroke(0.3,0.3,0.3,1.0);
kml_options.defaultTextSymbol() = defaultText;
osg::Node* kml = KML::load( URI(kmlFile), mapNode, kml_options );
if ( kml )
{
if (kmlUI)
{
Control* c = AnnotationGraphControlFactory().create(kml, view);
if ( c )
{
c->setVertAlign( Control::ALIGN_TOP );
canvas->addControl( c );
}
}
root->addChild( kml );
}
else
{
OE_NOTICE << "Failed to load " << kmlFile << std::endl;
}
}
//// Configure the de-cluttering engine for labels and annotations:
//if ( !screenSpaceLayoutConf.empty() )
//{
// ScreenSpaceLayout::setOptions( ScreenSpaceLayoutOptions(screenSpaceLayoutConf) );
//}
// Configure the mouse coordinate readout:
if ( useCoords )
{
LabelControl* readout = new LabelControl();
readout->setBackColor( Color(Color::Black, 0.8) );
readout->setHorizAlign( Control::ALIGN_RIGHT );
readout->setVertAlign( Control::ALIGN_BOTTOM );
Formatter* formatter =
useMGRS ? (Formatter*)new MGRSFormatter(MGRSFormatter::PRECISION_1M, 0L, MGRSFormatter::USE_SPACES) :
useDMS ? (Formatter*)new LatLongFormatter(LatLongFormatter::FORMAT_DEGREES_MINUTES_SECONDS) :
useDD ? (Formatter*)new LatLongFormatter(LatLongFormatter::FORMAT_DECIMAL_DEGREES) :
0L;
MouseCoordsTool* mcTool = new MouseCoordsTool( mapNode );
mcTool->addCallback( new MouseCoordsLabelCallback(readout, formatter) );
view->addEventHandler( mcTool );
canvas->addControl( readout );
}
// Configure for an ortho camera:
if ( args.read("--ortho") )
{
view->getCamera()->setProjectionMatrixAsOrtho(-1, 1, -1, 1, 0, 1);
}
// activity monitor (debugging)
if ( showActivity )
{
VBox* vbox = new VBox();
vbox->setBackColor( Color(Color::Black, 0.8) );
vbox->setHorizAlign( Control::ALIGN_RIGHT );
vbox->setVertAlign( Control::ALIGN_BOTTOM );
view->addEventHandler( new ActivityMonitorTool(vbox) );
canvas->addControl( vbox );
}
// Install an auto clip plane clamper
if ( useAutoClip )
{
mapNode->addCullCallback( new AutoClipPlaneCullCallback(mapNode) );
}
// Install logarithmic depth buffer on main camera
if ( useLogDepth )
{
OE_INFO << LC << "Activating logarithmic depth buffer (vertex-only) on main camera" << std::endl;
osgEarth::Util::LogarithmicDepthBuffer logDepth;
logDepth.setUseFragDepth( false );
logDepth.install( view->getCamera() );
}
else if ( useLogDepth2 )
{
OE_INFO << LC << "Activating logarithmic depth buffer (precise) on main camera" << std::endl;
osgEarth::Util::LogarithmicDepthBuffer logDepth;
logDepth.setUseFragDepth( true );
logDepth.install( view->getCamera() );
}
// Scan for images if necessary.
if ( !imageFolder.empty() )
{
std::vector<std::string> extensions;
if ( !imageExtensions.empty() )
StringTokenizer( imageExtensions, extensions, ",;", "", false, true );
if ( extensions.empty() )
extensions.push_back( "tif" );
OE_INFO << LC << "Loading images from " << imageFolder << "..." << std::endl;
ImageLayerVector imageLayers;
DataScanner scanner;
scanner.findImageLayers( imageFolder, extensions, imageLayers );
if ( imageLayers.size() > 0 )
{
mapNode->getMap()->beginUpdate();
for( ImageLayerVector::iterator i = imageLayers.begin(); i != imageLayers.end(); ++i )
{
mapNode->getMap()->addImageLayer( i->get() );
}
mapNode->getMap()->endUpdate();
}
OE_INFO << LC << "...found " << imageLayers.size() << " image layers." << std::endl;
}
// Install elevation morphing
if ( !lodBlendingConf.empty() )
{
mapNode->getTerrainEngine()->addEffect( new LODBlending(lodBlendingConf) );
}
// Install vertical scaler
if ( !vertScaleConf.empty() )
{
mapNode->getTerrainEngine()->addEffect( new VerticalScale(vertScaleConf) );
}
// Install a contour map effect.
if (args.read("--contourmap"))
{
mapNode->addExtension(Extension::create("contourmap", ConfigOptions()));
// with the cmdline switch, hids all the image layer so we can see the contour map.
for (unsigned i = 0; i < mapNode->getMap()->getNumImageLayers(); ++i) {
mapNode->getMap()->getImageLayerAt(i)->setVisible(false);
}
}
// Generic named value uniform with min/max.
VBox* uniformBox = 0L;
while( args.find( "--uniform" ) >= 0 )
{
std::string name;
float minval, maxval;
if ( args.read( "--uniform", name, minval, maxval ) )
{
if ( uniformBox == 0L )
{
uniformBox = new VBox();
uniformBox->setBackColor(0,0,0,0.5);
uniformBox->setAbsorbEvents( true );
canvas->addControl( uniformBox );
}
osg::Uniform* uniform = new osg::Uniform(osg::Uniform::FLOAT, name);
uniform->set( minval );
root->getOrCreateStateSet()->addUniform( uniform, osg::StateAttribute::OVERRIDE );
HBox* box = new HBox();
box->addControl( new LabelControl(name) );
HSliderControl* hs = box->addControl( new HSliderControl(minval, maxval, minval, new ApplyValueUniform(uniform)));
hs->setHorizFill(true, 200);
box->addControl( new LabelControl(hs) );
uniformBox->addControl( box );
OE_INFO << LC << "Installed uniform controller for " << name << std::endl;
}
}
// Map inspector:
if (args.read("--inspect"))
{
mapNode->addExtension( Extension::create("mapinspector", ConfigOptions()) );
}
// Memory monitor:
if (args.read("--monitor"))
{
mapNode->addExtension(Extension::create("monitor", ConfigOptions()) );
}
// Simple sky model:
if (args.read("--sky"))
{
mapNode->addExtension(Extension::create("sky_simple", ConfigOptions()) );
}
// Simple ocean model:
if (args.read("--ocean"))
{
mapNode->addExtension(Extension::create("ocean_simple", ConfigOptions()));
}
// Hook up the extensions!
for(std::vector<osg::ref_ptr<Extension> >::const_iterator eiter = mapNode->getExtensions().begin();
eiter != mapNode->getExtensions().end();
++eiter)
{
Extension* e = eiter->get();
// Check for a View interface:
ExtensionInterface<osg::View>* viewIF = ExtensionInterface<osg::View>::get( e );
if ( viewIF )
viewIF->connect( view );
// Check for a Control interface:
ExtensionInterface<Control>* controlIF = ExtensionInterface<Control>::get( e );
if ( controlIF )
controlIF->connect( mainContainer );
}
root->addChild( canvas );
}
/** Packages an image layer as a TMS folder. */
int
makeTMS( osg::ArgumentParser& args )
{
// see if the user wants to override the type extension (imagery only)
std::string extension = "png";
args.read( "--ext", extension );
// verbosity?
bool verbose = !args.read( "--quiet" );
// find a .earth file on the command line
std::string earthFile = findArgumentWithExtension(args, ".earth");
if ( earthFile.empty() )
return usage( "Missing required .earth file" );
// folder to which to write the TMS archive.
std::string rootFolder;
if ( !args.read( "--out", rootFolder ) )
rootFolder = Stringify() << earthFile << ".tms_repo";
// max level to which to generate
unsigned maxLevel = ~0;
args.read( "--max-level", maxLevel );
// load up the map
osg::ref_ptr<MapNode> mapNode = MapNode::load( args );
if ( !mapNode.valid() )
return usage( "Failed to load a valid .earth file" );
// create a folder for the output
osgDB::makeDirectory(rootFolder);
if ( !osgDB::fileExists(rootFolder) )
return usage("Failed to create root output folder" );
Map* map = mapNode->getMap();
// fire up a packager:
TMSPackager packager( map->getProfile() );
packager.setVerbose( verbose );
if ( maxLevel != ~0 )
packager.setMaxLevel( maxLevel );
// package any image layers that are enabled:
ImageLayerVector imageLayers;
map->getImageLayers( imageLayers );
unsigned counter = 0;
for( ImageLayerVector::iterator i = imageLayers.begin(); i != imageLayers.end(); ++i, ++counter )
{
ImageLayer* layer = i->get();
if ( layer->getImageLayerOptions().enabled() == true )
{
std::string layerFolder = toLegalFileName( layer->getName() );
if ( layerFolder.empty() )
layerFolder = Stringify() << "image_layer_" << counter;
if ( verbose )
{
OE_NOTICE << LC << "Packaging image layer \"" << layerFolder << "\"" << std::endl;
}
std::string layerRoot = osgDB::concatPaths( rootFolder, layerFolder );
TMSPackager::Result r = packager.package( layer, layerRoot, extension );
if ( !r.ok )
{
OE_WARN << LC << r.message << std::endl;
}
}
else if ( verbose )
{
OE_NOTICE << LC << "Skipping disabled layer \"" << layer->getName() << "\"" << std::endl;
}
}
// package any elevation layers that are enabled:
counter = 0;
ElevationLayerVector elevationLayers;
map->getElevationLayers( elevationLayers );
for( ElevationLayerVector::iterator i = elevationLayers.begin(); i != elevationLayers.end(); ++i, ++counter )
{
ElevationLayer* layer = i->get();
if ( layer->getElevationLayerOptions().enabled() == true )
{
std::string layerFolder = toLegalFileName( layer->getName() );
if ( layerFolder.empty() )
layerFolder = Stringify() << "elevation_layer_" << counter;
if ( verbose )
{
OE_NOTICE << LC << "Packaging elevation layer \"" << layerFolder << "\"" << std::endl;
}
std::string layerRoot = osgDB::concatPaths( rootFolder, layerFolder );
packager.package( layer, layerRoot );
}
else if ( verbose )
{
OE_NOTICE << LC << "Skipping disabled layer \"" << layer->getName() << "\"" << std::endl;
}
}
return 0;
}
void
MPTerrainEngineNode::postInitialize( const Map* map, const TerrainOptions& options )
{
TerrainEngineNode::postInitialize( map, options );
// 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::MASKED_TERRAIN_LAYERS, "mp-update" );
// merge in the custom options:
_terrainOptions.merge( options );
// a shared registry for tile nodes in the scene graph.
_liveTiles = new TileNodeRegistry("live");
// set up a registry for quick release:
if ( _terrainOptions.quickReleaseGLObjects() == true )
{
_deadTiles = new TileNodeRegistry("dead");
}
// initialize the model factory:
_tileModelFactory = new TileModelFactory(getMap(), _liveTiles.get(), _terrainOptions );
// handle an already-established map profile:
if ( _update_mapf->getProfile() )
{
// NOTE: this will initialize the map with the startup layers
onMapInfoEstablished( MapInfo(map) );
}
// populate the terrain with whatever data is in the map to begin with:
if ( _terrain )
{
// reserve a GPU image unit and two attribute indexes.
this->getTextureCompositor()->reserveTextureImageUnit( _primaryUnit );
this->getTextureCompositor()->reserveTextureImageUnit( _secondaryUnit );
//this->getTextureCompositor()->reserveAttribIndex( _attribIndex1 );
//this->getTextureCompositor()->reserveAttribIndex( _attribIndex2 );
}
// install a layer callback for processing further map actions:
map->addMapCallback( new MPTerrainEngineNodeMapCallbackProxy(this) );
// Prime with existing layers:
_batchUpdateInProgress = true;
ElevationLayerVector elevationLayers;
map->getElevationLayers( elevationLayers );
for( ElevationLayerVector::const_iterator i = elevationLayers.begin(); i != elevationLayers.end(); ++i )
addElevationLayer( i->get() );
ImageLayerVector imageLayers;
map->getImageLayers( imageLayers );
for( ImageLayerVector::iterator i = imageLayers.begin(); i != imageLayers.end(); ++i )
addImageLayer( i->get() );
_batchUpdateInProgress = false;
//{
// i->get()->addCallback( _elevationCallback.get() );
//}
// install some terrain-wide uniforms
this->getOrCreateStateSet()->getOrCreateUniform(
"oe_min_tile_range_factor",
osg::Uniform::FLOAT)->set( *_terrainOptions.minTileRangeFactor() );
// set up the initial shaders
updateShaders();
// 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
RexTerrainEngineNode::addTileLayer(Layer* tileLayer)
{
if ( tileLayer && tileLayer->getEnabled() )
{
ImageLayer* imageLayer = dynamic_cast<ImageLayer*>(tileLayer);
if (imageLayer)
{
// for a shared layer, allocate a shared image unit if necessary.
if ( imageLayer->isShared() )
{
if (!imageLayer->shareImageUnit().isSet())
{
int temp;
if ( getResources()->reserveTextureImageUnit(temp, imageLayer->getName().c_str()) )
{
imageLayer->shareImageUnit() = temp;
//OE_INFO << LC << "Image unit " << temp << " assigned to shared layer " << imageLayer->getName() << std::endl;
}
else
{
OE_WARN << LC << "Insufficient GPU image units to share layer " << imageLayer->getName() << std::endl;
}
}
// Build a sampler binding for the shared layer.
if ( imageLayer->shareImageUnit().isSet() )
{
// Find the next empty SHARED slot:
unsigned newIndex = SamplerBinding::SHARED;
while (_renderBindings[newIndex].isActive())
++newIndex;
// Put the new binding there:
SamplerBinding& newBinding = _renderBindings[newIndex];
newBinding.usage() = SamplerBinding::SHARED;
newBinding.sourceUID() = imageLayer->getUID();
newBinding.unit() = imageLayer->shareImageUnit().get();
newBinding.samplerName() = imageLayer->shareTexUniformName().get();
newBinding.matrixName() = imageLayer->shareTexMatUniformName().get();
OE_INFO << LC
<< "Shared Layer \"" << imageLayer->getName() << "\" : sampler=\"" << newBinding.samplerName() << "\", "
<< "matrix=\"" << newBinding.matrixName() << "\", "
<< "unit=" << newBinding.unit() << "\n";
}
}
}
else
{
// non-image tile layer. Keep track of these..
}
if (_terrain)
{
// Update the existing render models, and trigger a data reload.
// Later we can limit the reload to an update of only the new data.
UpdateRenderModels updateModels(_mapFrame);
#if 0
// This uses the loaddata filter approach which will only request
// data for one layer. It mostly works but not 100%; see hires-insets
// as an example. Removing the world layer and re-adding it while
// zoomed in doesn't result in all tiles reloading. Possibly a
// synchronization issue.
ImageLayerVector imageLayers;
_mapFrame.getLayers(imageLayers);
if (imageLayers.size() == 1)
updateModels.setReloadData(true);
else
updateModels.layersToLoad().insert(tileLayer->getUID());
#else
updateModels.setReloadData(true);
#endif
_terrain->accept(updateModels);
}
}
}
int
purge( osg::ArgumentParser& args )
{
osg::ref_ptr<osg::Node> node = osgDB::readNodeFiles( args );
if ( !node.valid() )
return usage( "Failed to read .earth file." );
MapNode* mapNode = MapNode::findMapNode( node.get() );
if ( !mapNode )
return usage( "Input file was not a .earth file" );
Map* map = mapNode->getMap();
if ( !map->getCache() )
return message( "Earth file does not contain a cache." );
std::vector<Entry> entries;
ImageLayerVector imageLayers;
map->getLayers( imageLayers );
for( ImageLayerVector::const_iterator i = imageLayers.begin(); i != imageLayers.end(); ++i )
{
ImageLayer* layer = i->get();
bool useMFP =
layer->getProfile() &&
layer->getProfile()->getSRS()->isSphericalMercator() &&
mapNode->getMapNodeOptions().getTerrainOptions().enableMercatorFastPath() == true;
const Profile* cacheProfile = useMFP ? layer->getProfile() : map->getProfile();
CacheSettings* cacheSettings = layer->getCacheSettings();
if (cacheSettings)
{
CacheBin* bin = cacheSettings->getCacheBin();
if ( bin )
{
entries.push_back(Entry());
entries.back()._isImage = true;
entries.back()._name = i->get()->getName();
entries.back()._bin = bin;
}
}
}
ElevationLayerVector elevationLayers;
map->getLayers( elevationLayers );
for( ElevationLayerVector::const_iterator i = elevationLayers.begin(); i != elevationLayers.end(); ++i )
{
ElevationLayer* layer = i->get();
bool useMFP =
layer->getProfile() &&
layer->getProfile()->getSRS()->isSphericalMercator() &&
mapNode->getMapNodeOptions().getTerrainOptions().enableMercatorFastPath() == true;
const Profile* cacheProfile = useMFP ? layer->getProfile() : map->getProfile();
CacheSettings* cacheSettings = layer->getCacheSettings();
if (cacheSettings)
{
CacheBin* bin = cacheSettings->getCacheBin();
if (bin)
{
entries.push_back(Entry());
entries.back()._isImage = false;
entries.back()._name = i->get()->getName();
entries.back()._bin = bin;
}
}
}
if ( entries.size() > 0 )
{
std::cout << std::endl;
for( unsigned i=0; i<entries.size(); ++i )
{
std::cout << (i+1) << ") " << entries[i]._name << " (" << (entries[i]._isImage? "image" : "elevation" ) << ")" << std::endl;
}
std::cout
<< std::endl
<< "Enter number of cache to purge, or <enter> to quit: "
<< std::flush;
std::string input;
std::getline( std::cin, input );
if ( !input.empty() )
{
unsigned k = as<unsigned>(input, 0L);
if ( k > 0 && k <= entries.size() )
{
Config meta = entries[k-1]._bin->readMetadata();
if ( !meta.empty() )
{
std::cout
<< std::endl
<< "Cache METADATA:" << std::endl
<< meta.toJSON()
<< std::endl << std::endl;
}
std::cout
<< "Are you sure (y/N)? "
<< std::flush;
std::getline( std::cin, input );
if ( input == "y" || input == "Y" )
{
std::cout << "Purging.." << std::flush;
entries[k-1]._bin->clear();
}
else
{
std::cout << "No action taken." << std::endl;
}
}
else
{
std::cout << "Invalid choice." << std::endl;
}
}
else
{
std::cout << "No action taken." << std::endl;
}
}
return 0;
}
void
MPTerrainEngineNode::postInitialize( const Map* map, const TerrainOptions& options )
{
TerrainEngineNode::postInitialize( map, options );
// 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::MASKED_TERRAIN_LAYERS, "mp-update" );
// merge in the custom options:
_terrainOptions.merge( options );
// 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->setRevisioningEnabled( _terrainOptions.incrementalUpdate() == true );
_liveTiles->setMapRevision( _update_mapf->getRevision() );
// set up a registry for quick release:
if ( _terrainOptions.quickReleaseGLObjects() == true )
{
_deadTiles = new TileNodeRegistry("dead");
}
// initialize the model factory:
_tileModelFactory = new TileModelFactory(_liveTiles.get(), _terrainOptions );
// handle an already-established map profile:
if ( _update_mapf->getProfile() )
{
// NOTE: this will initialize the map with the startup layers
onMapInfoEstablished( MapInfo(map) );
}
// install a layer callback for processing further map actions:
map->addMapCallback( new MPTerrainEngineNodeMapCallbackProxy(this) );
// Prime with existing layers:
_batchUpdateInProgress = true;
ElevationLayerVector elevationLayers;
map->getElevationLayers( elevationLayers );
for( ElevationLayerVector::const_iterator i = elevationLayers.begin(); i != elevationLayers.end(); ++i )
addElevationLayer( i->get() );
ImageLayerVector imageLayers;
map->getImageLayers( imageLayers );
for( ImageLayerVector::iterator i = imageLayers.begin(); i != imageLayers.end(); ++i )
addImageLayer( i->get() );
_batchUpdateInProgress = false;
// install some terrain-wide uniforms
this->getOrCreateStateSet()->getOrCreateUniform(
"oe_min_tile_range_factor",
osg::Uniform::FLOAT)->set( *_terrainOptions.minTileRangeFactor() );
// 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();
OE_INFO << LC << "Edge normalization is " << (_terrainOptions.normalizeEdges() == true? "ON" : "OFF") << std::endl;
}
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
RexTerrainEngineNode::postInitialize( const Map* map, const TerrainOptions& options )
{
TerrainEngineNode::postInitialize( map, options );
// 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 );
// merge in the custom options:
_terrainOptions.merge( options );
// morphing imagery LODs requires we bind parent textures to their own unit.
if ( _terrainOptions.morphImagery() == true )
{
_requireParentTextures = true;
}
// 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() );
if ( _terrainOptions.quickReleaseGLObjects() == true )
{
_deadTiles = new TileNodeRegistry("dead");
_quickReleaseInstalled = false;
ADJUST_UPDATE_TRAV_COUNT( this, +1 );
}
// A shared geometry pool.
if ( ::getenv("OSGEARTH_REX_NO_POOL") == 0L )
{
_geometryPool = new GeometryPool( _terrainOptions );
}
// Make a tile loader
PagerLoader* loader = new PagerLoader( this );
loader->setMergesPerFrame( _terrainOptions.mergesPerFrame().get() );
_loader = loader;
//_loader = new SimpleLoader();
this->addChild( _loader.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->getElevationLayers( elevationLayers );
for( ElevationLayerVector::const_iterator i = elevationLayers.begin(); i != elevationLayers.end(); ++i )
addElevationLayer( i->get() );
ImageLayerVector imageLayers;
map->getImageLayers( imageLayers );
for( ImageLayerVector::iterator i = imageLayers.begin(); i != imageLayers.end(); ++i )
addImageLayer( 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();
}
// Generates the main shader code for rendering the terrain.
void
RexTerrainEngineNode::updateState()
{
if ( _batchUpdateInProgress )
{
_stateUpdateRequired = true;
}
else
{
osg::StateSet* terrainStateSet = _terrain->getOrCreateStateSet(); // everything
osg::StateSet* surfaceStateSet = getSurfaceStateSet(); // just the surface
//terrainStateSet->setRenderBinDetails(0, "SORT_FRONT_TO_BACK");
// required for multipass tile rendering to work
surfaceStateSet->setAttributeAndModes(
new osg::Depth(osg::Depth::LEQUAL, 0, 1, true) );
surfaceStateSet->setAttributeAndModes(
new osg::CullFace(), osg::StateAttribute::ON);
// activate standard mix blending.
terrainStateSet->setAttributeAndModes(
new osg::BlendFunc(GL_SRC_ALPHA,GL_ONE_MINUS_SRC_ALPHA),
osg::StateAttribute::ON );
// install patch param if we are tessellation on the GPU.
if ( _terrainOptions.gpuTessellation() == true )
{
#ifdef HAVE_PATCH_PARAMETER
terrainStateSet->setAttributeAndModes( new osg::PatchParameter(3) );
#endif
}
// install shaders, if we're using them.
if ( Registry::capabilities().supportsGLSL() )
{
Shaders package;
VirtualProgram* terrainVP = VirtualProgram::getOrCreate(terrainStateSet);
terrainVP->setName( "Rex Terrain" );
package.load(terrainVP, package.ENGINE_VERT_MODEL);
surfaceStateSet->addUniform(new osg::Uniform("oe_terrain_color", _terrainOptions.color().get()));
if (_terrainOptions.enableBlending() == true)
{
surfaceStateSet->setDefine("OE_TERRAIN_BLEND_IMAGERY");
}
// Funtions that affect only the terrain surface:
VirtualProgram* surfaceVP = VirtualProgram::getOrCreate(surfaceStateSet);
surfaceVP->setName("Rex Surface");
// Functions that affect the terrain surface only:
package.load(surfaceVP, package.ENGINE_VERT_VIEW);
package.load(surfaceVP, package.ENGINE_FRAG);
// Elevation?
if (this->elevationTexturesRequired())
{
surfaceStateSet->setDefine("OE_TERRAIN_RENDER_ELEVATION");
}
// Normal mapping shaders:
if ( this->normalTexturesRequired() )
{
package.load(surfaceVP, package.NORMAL_MAP_VERT);
package.load(surfaceVP, package.NORMAL_MAP_FRAG);
surfaceStateSet->setDefine("OE_TERRAIN_RENDER_NORMAL_MAP");
}
// Morphing?
if (_terrainOptions.morphTerrain() == true ||
_terrainOptions.morphImagery() == true)
{
package.load(surfaceVP, package.MORPHING_VERT);
if (_terrainOptions.morphImagery() == true)
{
surfaceStateSet->setDefine("OE_TERRAIN_MORPH_IMAGERY");
}
if (_terrainOptions.morphTerrain() == true)
{
surfaceStateSet->setDefine("OE_TERRAIN_MORPH_GEOMETRY");
}
}
// assemble color filter code snippets.
bool haveColorFilters = false;
{
// Color filter frag function:
std::string fs_colorfilters =
"#version " GLSL_VERSION_STR "\n"
GLSL_DEFAULT_PRECISION_FLOAT "\n"
"uniform int oe_layer_uid; \n"
"$COLOR_FILTER_HEAD"
"void oe_rexEngine_applyFilters(inout vec4 color) \n"
"{ \n"
"$COLOR_FILTER_BODY"
"} \n";
std::stringstream cf_head;
std::stringstream cf_body;
const char* I = " ";
// second, install the per-layer color filter functions AND shared layer bindings.
bool ifStarted = false;
ImageLayerVector imageLayers;
_update_mapf->getLayers(imageLayers);
for( int i=0; i<imageLayers.size(); ++i )
{
ImageLayer* layer = imageLayers.at(i);
if ( layer->getEnabled() )
{
// install Color Filter function calls:
const ColorFilterChain& chain = layer->getColorFilters();
if ( chain.size() > 0 )
{
haveColorFilters = true;
if ( ifStarted ) cf_body << I << "else if ";
else cf_body << I << "if ";
cf_body << "(oe_layer_uid == " << layer->getUID() << ") {\n";
for( ColorFilterChain::const_iterator j = chain.begin(); j != chain.end(); ++j )
{
const ColorFilter* filter = j->get();
cf_head << "void " << filter->getEntryPointFunctionName() << "(inout vec4 color);\n";
cf_body << I << I << filter->getEntryPointFunctionName() << "(color);\n";
filter->install( surfaceStateSet );
}
cf_body << I << "}\n";
ifStarted = true;
}
}
}
if ( haveColorFilters )
{
std::string cf_head_str, cf_body_str;
cf_head_str = cf_head.str();
cf_body_str = cf_body.str();
replaceIn( fs_colorfilters, "$COLOR_FILTER_HEAD", cf_head_str );
replaceIn( fs_colorfilters, "$COLOR_FILTER_BODY", cf_body_str );
surfaceVP->setFunction(
"oe_rexEngine_applyFilters",
fs_colorfilters,
ShaderComp::LOCATION_FRAGMENT_COLORING,
0.6 );
}
}
// Apply uniforms for sampler bindings:
OE_DEBUG << LC << "Render Bindings:\n";
osg::ref_ptr<osg::Texture> tex = new osg::Texture2D(ImageUtils::createEmptyImage(1,1));
for (unsigned i = 0; i < _renderBindings.size(); ++i)
{
SamplerBinding& b = _renderBindings[i];
if (b.isActive())
{
osg::Uniform* u = new osg::Uniform(b.samplerName().c_str(), b.unit());
terrainStateSet->addUniform( u );
OE_DEBUG << LC << " > Bound \"" << b.samplerName() << "\" to unit " << b.unit() << "\n";
terrainStateSet->setTextureAttribute(b.unit(), tex.get());
}
}
// uniform that controls per-layer opacity
terrainStateSet->addUniform( new osg::Uniform("oe_layer_opacity", 1.0f) );
// uniform that conveys the layer UID to the shaders; necessary
// for per-layer branching (like color filters)
// UID -1 => no image layer (no texture)
terrainStateSet->addUniform( new osg::Uniform("oe_layer_uid", (int)-1 ) );
// uniform that conveys the render order, since the shaders
// need to know which is the first layer in order to blend properly
terrainStateSet->addUniform( new osg::Uniform("oe_layer_order", (int)0) );
// default min/max range uniforms. (max < min means ranges are disabled)
terrainStateSet->addUniform( new osg::Uniform("oe_layer_minRange", 0.0f) );
terrainStateSet->addUniform( new osg::Uniform("oe_layer_maxRange", -1.0f) );
terrainStateSet->addUniform( new osg::Uniform("oe_layer_attenuationRange", _terrainOptions.attentuationDistance().get()) );
terrainStateSet->getOrCreateUniform(
"oe_min_tile_range_factor",
osg::Uniform::FLOAT)->set( *_terrainOptions.minTileRangeFactor() );
terrainStateSet->addUniform(new osg::Uniform("oe_tile_size", (float)_terrainOptions.tileSize().get()));
// special object ID that denotes the terrain surface.
surfaceStateSet->addUniform( new osg::Uniform(
Registry::objectIndex()->getObjectIDUniformName().c_str(), OSGEARTH_OBJECTID_TERRAIN) );
}
_stateUpdateRequired = false;
}
}
void
MPTerrainEngineNode::postInitialize( const Map* map, const TerrainOptions& options )
{
TerrainEngineNode::postInitialize( map, options );
// 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, "mp-update" );
// merge in the custom options:
_terrainOptions.merge( options );
// 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->setRevisioningEnabled( _terrainOptions.incrementalUpdate() == true );
_liveTiles->setMapRevision( _update_mapf->getRevision() );
// set up a registry for quick release:
if ( _terrainOptions.quickReleaseGLObjects() == true )
{
_deadTiles = new TileNodeRegistry("dead");
}
// reserve GPU resources. Must do this before initializing the model factory.
if ( _primaryUnit < 0 )
{
getResources()->reserveTextureImageUnit( _primaryUnit, "MP Engine Primary" );
}
// "Secondary" unit serves double duty; it's used for parent textures BUT it's also
// used at the "slot" for the tile coordinates.
if ( _secondaryUnit < 0 )
{
getResources()->reserveTextureImageUnit( _secondaryUnit, "MP Engine Secondary" );
}
// initialize the model factory:
_tileModelFactory = new TileModelFactory(_liveTiles.get(), _terrainOptions, this);
// handle an already-established map profile:
if ( _update_mapf->getProfile() )
{
// NOTE: this will initialize the map with the startup layers
onMapInfoEstablished( MapInfo(map) );
}
// install a layer callback for processing further map actions:
map->addMapCallback( new MPTerrainEngineNodeMapCallbackProxy(this) );
// Prime with existing layers:
_batchUpdateInProgress = true;
ElevationLayerVector elevationLayers;
map->getElevationLayers( elevationLayers );
for( ElevationLayerVector::const_iterator i = elevationLayers.begin(); i != elevationLayers.end(); ++i )
addElevationLayer( i->get() );
ImageLayerVector imageLayers;
map->getImageLayers( imageLayers );
for( ImageLayerVector::iterator i = imageLayers.begin(); i != imageLayers.end(); ++i )
addImageLayer( i->get() );
_batchUpdateInProgress = false;
// register this instance to the osgDB plugin can find it.
registerEngine( this );
// set up the initial shaders and reserve the texture image units.
updateState();
// now that we have a map, set up to recompute the bounds
dirtyBound();
OE_INFO << LC << "Edge normalization is " << (_terrainOptions.normalizeEdges() == true? "ON" : "OFF") << std::endl;
}
// Generates the main shader code for rendering the terrain.
void
MPTerrainEngineNode::updateState()
{
if ( _batchUpdateInProgress )
{
_stateUpdateRequired = true;
}
else
{
if ( _elevationTextureUnit < 0 && elevationTexturesRequired() )
{
getResources()->reserveTextureImageUnit( _elevationTextureUnit, "MP Engine Elevation" );
}
osg::StateSet* terrainStateSet = getTerrainStateSet();
if ( !terrainStateSet )
return;
// required for multipass tile rendering to work
terrainStateSet->setAttributeAndModes(
new osg::Depth(osg::Depth::LEQUAL, 0, 1, true) );
// activate standard mix blending.
terrainStateSet->setAttributeAndModes(
new osg::BlendFunc(GL_SRC_ALPHA,GL_ONE_MINUS_SRC_ALPHA),
osg::StateAttribute::ON );
// install shaders, if we're using them.
if ( Registry::capabilities().supportsGLSL() )
{
VirtualProgram* vp = new VirtualProgram();
vp->setName( "osgEarth.engine_mp.TerrainNode" );
terrainStateSet->setAttributeAndModes( vp, osg::StateAttribute::ON );
Shaders package;
package.replace( "$MP_PRIMARY_UNIT", Stringify() << _primaryUnit );
package.replace( "$MP_SECONDARY_UNIT", Stringify() << (_secondaryUnit>=0?_secondaryUnit:0) );
package.define( "MP_USE_BLENDING", (_terrainOptions.enableBlending() == true) );
package.load( vp, package.EngineVertexModel );
package.load( vp, package.EngineVertexView );
package.load( vp, package.EngineFragment );
if ( this->normalTexturesRequired() )
{
package.load( vp, package.NormalMapVertex );
package.load( vp, package.NormalMapFragment );
terrainStateSet->addUniform( new osg::Uniform("oe_tile_normalTex", _normalMapUnit) );
}
// terrain background color; negative means use the vertex color.
Color terrainColor = _terrainOptions.color().getOrUse( Color(1,1,1,-1) );
terrainStateSet->addUniform(new osg::Uniform("oe_terrain_color", terrainColor));
if ( _update_mapf )
{
// assemble color filter code snippets.
bool haveColorFilters = false;
{
// Color filter frag function:
std::string fs_colorfilters =
"#version " GLSL_VERSION_STR "\n"
GLSL_DEFAULT_PRECISION_FLOAT "\n"
"uniform int oe_layer_uid; \n"
"$COLOR_FILTER_HEAD"
"void oe_mp_apply_filters(inout vec4 color) \n"
"{ \n"
"$COLOR_FILTER_BODY"
"} \n";
std::stringstream cf_head;
std::stringstream cf_body;
const char* I = " ";
// second, install the per-layer color filter functions AND shared layer bindings.
ImageLayerVector imageLayers;
_update_mapf->getLayers(imageLayers);
bool ifStarted = false;
int numImageLayers = imageLayers.size();
for( int i=0; i<numImageLayers; ++i )
{
ImageLayer* layer = imageLayers[i].get();
if ( layer->getEnabled() )
{
// install Color Filter function calls:
const ColorFilterChain& chain = layer->getColorFilters();
if ( chain.size() > 0 )
{
haveColorFilters = true;
if ( ifStarted ) cf_body << I << "else if ";
else cf_body << I << "if ";
cf_body << "(oe_layer_uid == " << layer->getUID() << ") {\n";
for( ColorFilterChain::const_iterator j = chain.begin(); j != chain.end(); ++j )
{
const ColorFilter* filter = j->get();
cf_head << "void " << filter->getEntryPointFunctionName() << "(inout vec4 color);\n";
cf_body << I << I << filter->getEntryPointFunctionName() << "(color);\n";
filter->install( terrainStateSet );
}
cf_body << I << "}\n";
ifStarted = true;
}
}
}
if ( haveColorFilters )
{
std::string cf_head_str, cf_body_str;
cf_head_str = cf_head.str();
cf_body_str = cf_body.str();
replaceIn( fs_colorfilters, "$COLOR_FILTER_HEAD", cf_head_str );
replaceIn( fs_colorfilters, "$COLOR_FILTER_BODY", cf_body_str );
vp->setFunction(
"oe_mp_apply_filters",
fs_colorfilters,
ShaderComp::LOCATION_FRAGMENT_COLORING,
0.5f );
}
}
}
// binding for the terrain texture
terrainStateSet->getOrCreateUniform(
"oe_layer_tex", osg::Uniform::SAMPLER_2D )->set( _primaryUnit );
// binding for the secondary texture (for LOD blending)
if ( parentTexturesRequired() )
{
terrainStateSet->getOrCreateUniform(
"oe_layer_tex_parent", osg::Uniform::SAMPLER_2D )->set( _secondaryUnit );
// binding for the default secondary texture matrix
osg::Matrixf parent_mat;
parent_mat(0,0) = 0.0f;
terrainStateSet->getOrCreateUniform(
"oe_layer_parent_matrix", osg::Uniform::FLOAT_MAT4 )->set( parent_mat );
}
// uniform for accessing the elevation texture sampler.
if ( elevationTexturesRequired() )
{
terrainStateSet->getOrCreateUniform(
"oe_terrain_tex", osg::Uniform::SAMPLER_2D)->set( _elevationTextureUnit );
}
// uniform that controls per-layer opacity
terrainStateSet->getOrCreateUniform(
"oe_layer_opacity", osg::Uniform::FLOAT )->set( 1.0f );
// uniform that conveys the layer UID to the shaders; necessary
// for per-layer branching (like color filters)
// UID -1 => no image layer (no texture)
terrainStateSet->getOrCreateUniform(
"oe_layer_uid", osg::Uniform::INT )->set( -1 );
// uniform that conveys the render order, since the shaders
// need to know which is the first layer in order to blend properly
terrainStateSet->getOrCreateUniform(
"oe_layer_order", osg::Uniform::INT )->set( 0 );
// default min/max range uniforms. (max < min means ranges are disabled)
terrainStateSet->addUniform( new osg::Uniform("oe_layer_minRange", 0.0f) );
terrainStateSet->addUniform( new osg::Uniform("oe_layer_maxRange", FLT_MAX) );
terrainStateSet->addUniform( new osg::Uniform("oe_layer_attenuationRange", _terrainOptions.attentuationDistance().get()) );
terrainStateSet->getOrCreateUniform(
"oe_min_tile_range_factor",
osg::Uniform::FLOAT)->set( *_terrainOptions.minTileRangeFactor() );
// special object ID that denotes the terrain surface.
terrainStateSet->addUniform( new osg::Uniform(
Registry::objectIndex()->getObjectIDUniformName().c_str(), OSGEARTH_OBJECTID_TERRAIN) );
// assign the uniforms for each shared layer.
if ( _update_mapf )
{
ImageLayerVector imageLayers;
_update_mapf->getLayers(imageLayers);
int numImageLayers = imageLayers.size();
for( int i=0; i<numImageLayers; ++i )
{
ImageLayer* layer = imageLayers[i].get();
if ( layer->getEnabled() && layer->isShared() )
{
terrainStateSet->addUniform( new osg::Uniform(
layer->shareTexUniformName()->c_str(),
layer->shareImageUnit().get() ) );
}
}
}
}
_stateUpdateRequired = false;
}
}
/** Packages an image layer as a TMS folder. */
int
makeTMS( osg::ArgumentParser& args )
{
// see if the user wants to override the type extension (imagery only)
std::string extension;
args.read( "--ext", extension );
// verbosity?
bool verbose = !args.read( "--quiet" );
// find a .earth file on the command line
std::string earthFile = findArgumentWithExtension( args, ".earth" );
/* if ( earthFile.empty() )
return usage( "Missing required .earth file" );
*/
// folder to which to write the TMS archive.
std::string rootFolder;
if( !args.read( "--out", rootFolder ) )
rootFolder = Stringify() << earthFile << ".tms_repo";
// whether to overwrite existing tile files
bool overwrite = false;
if( args.read( "--overwrite" ) )
overwrite = true;
// write out an earth file
std::string outEarth;
args.read( "--out-earth", outEarth );
std::string dbOptions;
args.read( "--db-options", dbOptions );
std::string::size_type n = 0;
while( (n = dbOptions.find( '"', n )) != dbOptions.npos )
{
dbOptions.erase( n, 1 );
}
osg::ref_ptr<osgDB::Options> options = new osgDB::Options( dbOptions );
std::vector< Bounds > bounds;
// restrict packaging to user-specified bounds.
double xmin = DBL_MAX, ymin = DBL_MAX, xmax = DBL_MIN, ymax = DBL_MIN;
while( args.read( "--bounds", xmin, ymin, xmax, ymax ) )
{
Bounds b;
b.xMin() = xmin, b.yMin() = ymin, b.xMax() = xmax, b.yMax() = ymax;
bounds.push_back( b );
}
// max level to which to generate
unsigned maxLevel = ~0;
args.read( "--max-level", maxLevel );
// whether to keep 'empty' tiles
bool keepEmpties = args.read( "--keep-empties" );
bool continueSingleColor = args.read( "--continue-single-color" );
// max level to which to generate
unsigned elevationPixelDepth = 32;
args.read( "--elevation-pixel-depth", elevationPixelDepth );
// load up the map
osg::ref_ptr<MapNode> mapNode = MapNode::load( args );
if( !mapNode.valid() )
return usage( "Failed to load a valid .earth file" );
// create a folder for the output
osgDB::makeDirectory( rootFolder );
if( !osgDB::fileExists( rootFolder ) )
return usage( "Failed to create root output folder" );
Map* map = mapNode->getMap();
// fire up a packager:
TMSPackager packager( map->getProfile(), options );
packager.setVerbose( verbose );
packager.setOverwrite( overwrite );
packager.setKeepEmptyImageTiles( keepEmpties );
packager.setSubdivideSingleColorImageTiles( continueSingleColor );
packager.setElevationPixelDepth( elevationPixelDepth );
if( maxLevel != ~0 )
packager.setMaxLevel( maxLevel );
if( bounds.size() > 0 )
{
for( unsigned int i = 0; i < bounds.size(); ++i )
{
Bounds b = bounds[i];
if( b.isValid() )
packager.addExtent( GeoExtent( map->getProfile()->getSRS(), b ) );
}
}
// new map for an output earth file if necessary.
osg::ref_ptr<Map> outMap = 0L;
if( !outEarth.empty() )
{
// copy the options from the source map first
outMap = new Map( map->getInitialMapOptions() );
}
// establish the output path of the earth file, if applicable:
std::string outEarthFile = osgDB::concatPaths( rootFolder, osgDB::getSimpleFileName( outEarth ) );
// package any image layers that are enabled:
ImageLayerVector imageLayers;
map->getImageLayers( imageLayers );
unsigned counter = 0;
for( ImageLayerVector::iterator i = imageLayers.begin(); i != imageLayers.end(); ++i, ++counter )
{
ImageLayer* layer = i->get();
if( layer->getImageLayerOptions().enabled() == true )
{
std::string layerFolder = toLegalFileName( layer->getName() );
if( layerFolder.empty() )
layerFolder = Stringify() << "image_layer_" << counter;
if( verbose )
{
OE_NOTICE << LC << "Packaging image layer \"" << layerFolder << "\"" << std::endl;
}
osg::ref_ptr< ConsoleProgressCallback > progress = new ConsoleProgressCallback();
std::string layerRoot = osgDB::concatPaths( rootFolder, layerFolder );
TMSPackager::Result r = packager.package( layer, layerRoot, progress, extension );
if( r.ok )
{
// save to the output map if requested:
if( outMap.valid() )
{
// new TMS driver info:
TMSOptions tms;
tms.url() = URI(
osgDB::concatPaths( layerFolder, "tms.xml" ),
outEarthFile );
ImageLayerOptions layerOptions( layer->getName(), tms );
layerOptions.mergeConfig( layer->getInitialOptions().getConfig( true ) );
layerOptions.cachePolicy() = CachePolicy::NO_CACHE;
outMap->addImageLayer( new ImageLayer( layerOptions ) );
}
}
else
{
OE_WARN << LC << r.message << std::endl;
}
}
else if( verbose )
{
OE_NOTICE << LC << "Skipping disabled layer \"" << layer->getName() << "\"" << std::endl;
}
}
// package any elevation layers that are enabled:
counter = 0;
ElevationLayerVector elevationLayers;
map->getElevationLayers( elevationLayers );
for( ElevationLayerVector::iterator i = elevationLayers.begin(); i != elevationLayers.end(); ++i, ++counter )
{
ElevationLayer* layer = i->get();
if( layer->getElevationLayerOptions().enabled() == true )
{
std::string layerFolder = toLegalFileName( layer->getName() );
if( layerFolder.empty() )
layerFolder = Stringify() << "elevation_layer_" << counter;
if( verbose )
{
OE_NOTICE << LC << "Packaging elevation layer \"" << layerFolder << "\"" << std::endl;
}
std::string layerRoot = osgDB::concatPaths( rootFolder, layerFolder );
TMSPackager::Result r = packager.package( layer, layerRoot );
if( r.ok )
{
// save to the output map if requested:
if( outMap.valid() )
{
// new TMS driver info:
TMSOptions tms;
tms.url() = URI(
osgDB::concatPaths( layerFolder, "tms.xml" ),
outEarthFile );
ElevationLayerOptions layerOptions( layer->getName(), tms );
layerOptions.mergeConfig( layer->getInitialOptions().getConfig( true ) );
layerOptions.cachePolicy() = CachePolicy::NO_CACHE;
outMap->addElevationLayer( new ElevationLayer( layerOptions ) );
}
}
else
{
OE_WARN << LC << r.message << std::endl;
}
}
else if( verbose )
{
OE_NOTICE << LC << "Skipping disabled layer \"" << layer->getName() << "\"" << std::endl;
}
}
// Finally, write an earth file if requested:
if( outMap.valid() )
{
MapNodeOptions outNodeOptions = mapNode->getMapNodeOptions();
osg::ref_ptr<MapNode> outMapNode = new MapNode( outMap.get(), outNodeOptions );
if( !osgDB::writeNodeFile( *outMapNode.get(), outEarthFile ) )
{
OE_WARN << LC << "Error writing earth file to \"" << outEarthFile << "\"" << std::endl;
}
else if( verbose )
{
OE_NOTICE << LC << "Wrote earth file to \"" << outEarthFile << "\"" << std::endl;
}
}
return 0;
}
/** Packages image and elevation layers as a TMS. */
int TMSExporter::exportTMS(MapNode* mapNode, const std::string& path, std::vector< osgEarth::Bounds >& bounds, const std::string& outEarth, bool overwrite, const std::string& extension)
{
if ( !mapNode )
{
_errorMessage = "Invalid MapNode";
if (_progress.valid()) _progress->onCompleted();
return 0;
}
// folder to which to write the TMS archive.
std::string rootFolder = path;
osg::ref_ptr<osgDB::Options> options = new osgDB::Options(_dbOptions);
// create a folder for the output
osgDB::makeDirectory(rootFolder);
if ( !osgDB::fileExists(rootFolder) )
{
_errorMessage = "Failed to create root output folder";
if (_progress.valid()) _progress->onCompleted();
return 0;
}
Map* map = mapNode->getMap();
// new map for an output earth file if necessary.
osg::ref_ptr<Map> outMap = 0L;
if ( !outEarth.empty() )
{
// copy the options from the source map first
outMap = new Map(map->getInitialMapOptions());
}
// establish the output path of the earth file, if applicable:
std::string outEarthName = osgDB::getSimpleFileName(outEarth);
if (outEarthName.length() > 0 && osgEarth::toLower(osgDB::getFileExtension(outEarthName)) != "earth")
outEarthName += ".earth";
std::string outEarthFile = osgDB::concatPaths(rootFolder, outEarthName);
// semaphore and tasks collection for multithreading
osgEarth::Threading::MultiEvent semaphore;
osgEarth::TaskRequestVector tasks;
int taskCount = 0;
// package any image layers that are enabled and visible
ImageLayerVector imageLayers;
map->getImageLayers( imageLayers );
unsigned imageCount = 0;
for( ImageLayerVector::iterator i = imageLayers.begin(); i != imageLayers.end(); ++i, ++imageCount )
{
ImageLayer* layer = i->get();
if ( layer->getEnabled() && layer->getVisible() )
{
std::string layerFolder = toLegalFileName( layer->getName() );
if ( layerFolder.empty() )
layerFolder = Stringify() << "image_layer_" << imageCount;
ParallelTask<PackageLayer>* task = new ParallelTask<PackageLayer>( &semaphore );
task->init(map, layer, options, rootFolder, layerFolder, true, overwrite, _keepEmpties, _maxLevel, extension, bounds);
task->setProgressCallback(new PackageLayerProgressCallback(this));
tasks.push_back(task);
taskCount++;
}
}
// package any elevation layers that are enabled and visible
ElevationLayerVector elevationLayers;
map->getElevationLayers( elevationLayers );
int elevCount = 0;
for( ElevationLayerVector::iterator i = elevationLayers.begin(); i != elevationLayers.end(); ++i, ++elevCount )
{
ElevationLayer* layer = i->get();
if ( layer->getEnabled() && layer->getVisible() )
{
std::string layerFolder = toLegalFileName( layer->getName() );
if ( layerFolder.empty() )
layerFolder = Stringify() << "elevation_layer_" << elevCount;
ParallelTask<PackageLayer>* task = new ParallelTask<PackageLayer>( &semaphore );
task->init(map, layer, options, rootFolder, layerFolder, true, overwrite, _keepEmpties, _maxLevel, extension, bounds);
task->setProgressCallback(new PackageLayerProgressCallback(this));
tasks.push_back(task);
taskCount++;
}
}
// Run all the tasks in parallel
_totalTasks = taskCount;
_completedTasks = 0;
semaphore.reset( _totalTasks );
for( TaskRequestVector::iterator i = tasks.begin(); i != tasks.end(); ++i )
_taskService->add( i->get() );
// Wait for them to complete
semaphore.wait();
// Add successfully packaged layers to the new map object and
// write out the .earth file (if requested)
if (outMap.valid())
{
for( TaskRequestVector::iterator i = tasks.begin(); i != tasks.end(); ++i )
{
PackageLayer* p = dynamic_cast<PackageLayer*>(i->get());
if (p)
{
if (p->_packageResult.ok)
{
TMSOptions tms;
tms.url() = URI(osgDB::concatPaths(p->_layerFolder, "tms.xml"), outEarthFile );
if (p->_imageLayer.valid())
{
ImageLayerOptions layerOptions( p->_imageLayer->getName(), tms );
layerOptions.mergeConfig( p->_imageLayer->getInitialOptions().getConfig(true) );
layerOptions.cachePolicy() = CachePolicy::NO_CACHE;
outMap->addImageLayer( new ImageLayer(layerOptions) );
}
else
{
ElevationLayerOptions layerOptions( p->_elevationLayer->getName(), tms );
layerOptions.mergeConfig( p->_elevationLayer->getInitialOptions().getConfig(true) );
layerOptions.cachePolicy() = CachePolicy::NO_CACHE;
outMap->addElevationLayer( new ElevationLayer(layerOptions) );
}
}
else
{
OE_WARN << LC << p->_packageResult.message << std::endl;
}
}
}
}
if ( outMap.valid() )
{
MapNodeOptions outNodeOptions = mapNode->getMapNodeOptions();
osg::ref_ptr<MapNode> outMapNode = new MapNode(outMap.get(), outNodeOptions);
if ( !osgDB::writeNodeFile(*outMapNode.get(), outEarthFile) )
{
OE_WARN << LC << "Error writing earth file to \"" << outEarthFile << "\"" << std::endl;
}
else
{
OE_NOTICE << LC << "Wrote earth file to \"" << outEarthFile << "\"" << std::endl;
}
}
// Mark the progress callback as completed
if (_progress.valid()) _progress->onCompleted();
return elevCount + imageCount;
}
