コード例 #1
0
void
CompositeTileSource::initialize( const std::string& referenceURI, const Profile* overrideProfile )
{
    osg::ref_ptr<const Profile> profile = overrideProfile;

    for(CompositeTileSourceOptions::ComponentVector::iterator i = _options._components.begin();
        i != _options._components.end();
        ++i)
    {
        TileSource* source = i->_tileSourceInstance.get();
        if ( source )
        {
            osg::ref_ptr<const Profile> localOverrideProfile = overrideProfile;

            const TileSourceOptions& opt = source->getOptions();
            if ( opt.profile().isSet() )
                localOverrideProfile = Profile::create( opt.profile().value() );

            source->initialize( referenceURI, localOverrideProfile.get() );

            if ( !profile.valid() )
            {
                // assume the profile of the first source to be the overall profile.
                profile = source->getProfile();
            }
            else if ( !profile->isEquivalentTo( source->getProfile() ) )
            {
                // if sub-sources have different profiles, print a warning because this is
                // not supported!
                OE_WARN << LC << "Components with differing profiles are not supported. " 
                    << "Visual anomalies may result." << std::endl;
            }
            
            _dynamic = _dynamic || source->isDynamic();

            // gather extents
            const DataExtentList& extents = source->getDataExtents();
            for( DataExtentList::const_iterator j = extents.begin(); j != extents.end(); ++j )
            {
                getDataExtents().push_back( *j );
            }
        }
    }

    setProfile( profile.get() );

    _initialized = true;
}
コード例 #2
0
bool
TerrainLayer::isDynamic() const
{
    TileSource* ts = getTileSource();
    return ts ? ts->isDynamic() : false;
}
コード例 #3
0
TileSource::Status
CompositeTileSource::initialize(const osgDB::Options* dbOptions)
{
    _dbOptions = Registry::instance()->cloneOrCreateOptions(dbOptions);

    osg::ref_ptr<const Profile> profile = getProfile();

    for(CompositeTileSourceOptions::ComponentVector::iterator i = _options._components.begin();
        i != _options._components.end(); )
    {
        if ( i->_imageLayerOptions.isSet() )
        {
            if ( !i->_tileSourceInstance.valid() )
            {
                i->_tileSourceInstance = TileSourceFactory::create( i->_imageLayerOptions->driver().value() );
            
                if ( !i->_tileSourceInstance.valid() )
                {
                    OE_WARN << LC << "Could not find a TileSource for driver [" << i->_imageLayerOptions->driver()->getDriver() << "]" << std::endl;
                }
            }
        }

        if ( !i->_tileSourceInstance.valid() )
        {
            OE_WARN << LC << "A component has no valid TileSource ... removing." << std::endl;
            i = _options._components.erase( i );
        }
        else
        {
            TileSource* source = i->_tileSourceInstance.get();
            if ( source )
            {
                osg::ref_ptr<const Profile> localOverrideProfile = profile.get();

                const TileSourceOptions& opt = source->getOptions();
                if ( opt.profile().isSet() )
                {
                    localOverrideProfile = Profile::create( opt.profile().value() );
                    source->setProfile( localOverrideProfile.get() );
                }

                // initialize the component tile source:
                TileSource::Status compStatus = source->startup( _dbOptions.get() );

                if ( compStatus == TileSource::STATUS_OK )
                {
                    if ( !profile.valid() )
                    {
                        // assume the profile of the first source to be the overall profile.
                        profile = source->getProfile();
                    }
                    else if ( !profile->isEquivalentTo( source->getProfile() ) )
                    {
                        // if sub-sources have different profiles, print a warning because this is
                        // not supported!
                        OE_WARN << LC << "Components with differing profiles are not supported. " 
                            << "Visual anomalies may result." << std::endl;
                    }
                
                    _dynamic = _dynamic || source->isDynamic();

                    // gather extents
                    const DataExtentList& extents = source->getDataExtents();
                    for( DataExtentList::const_iterator j = extents.begin(); j != extents.end(); ++j )
                    {
                        getDataExtents().push_back( *j );
                    }
                }

                else
                {
                    // if even one of the components fails to initialize, the entire
                    // composite tile source is invalid.
                    return Status::Error("At least one component is invalid");
                }
            }
        }

        ++i;
    }

    // set the new profile that was derived from the components
    setProfile( profile.get() );

    _initialized = true;
    return STATUS_OK;
}
コード例 #4
0
Status
CompositeTileSource::initialize(const osgDB::Options* dbOptions)
{
    _dbOptions = Registry::instance()->cloneOrCreateOptions(dbOptions);

    osg::ref_ptr<const Profile> profile = getProfile();

    for(CompositeTileSourceOptions::ComponentVector::iterator i = _options._components.begin();
        i != _options._components.end(); )
    {        
        if ( i->_imageLayerOptions.isSet() && !i->_layer.valid() )
        {
            // Disable the l2 cache for composite layers so that we don't get run out of memory on very large datasets.
            i->_imageLayerOptions->driver()->L2CacheSize() = 0;

            osg::ref_ptr< ImageLayer > layer = new ImageLayer(*i->_imageLayerOptions);
            layer->setReadOptions(_dbOptions.get());
            Status status = layer->open();
            if (status.isOK())
            {
                i->_layer = layer;
                _imageLayers.push_back( layer );
                OE_INFO << LC << " .. added image layer " << layer->getName() << " (" << i->_imageLayerOptions->driver()->getDriver() << ")\n";
            }
            else
            {
                OE_WARN << LC << "Could not open image layer (" << layer->getName() << ") ... " << status.message() << std::endl;
            }            
        }
        else if (i->_elevationLayerOptions.isSet() && !i->_layer.valid())
        {
            // Disable the l2 cache for composite layers so that we don't get run out of memory on very large datasets.
            i->_elevationLayerOptions->driver()->L2CacheSize() = 0;

            osg::ref_ptr< ElevationLayer > layer = new ElevationLayer(*i->_elevationLayerOptions);   
            layer->setReadOptions(_dbOptions.get());
            Status status = layer->open();
            if (status.isOK())
            {
                i->_layer = layer;
                _elevationLayers.push_back( layer.get() );                
            }
            else
            {
                OE_WARN << LC << "Could not open elevation layer (" << layer->getName() << ") ... " << status.message() << std::endl;
            }
        }

        if ( !i->_layer.valid() )
        {
            OE_WARN << LC << "A component has no valid TerrainLayer ... removing." << std::endl;
            i = _options._components.erase( i );
        }
        else
        {            
            TileSource* source = i->_layer->getTileSource();

            // If no profile is specified assume they want to use the profile of the first layer in the list.
            if (!profile.valid())
            {
                profile = source->getProfile();
            }

            _dynamic = _dynamic || source->isDynamic();
            
            // gather extents                        
            const DataExtentList& extents = source->getDataExtents();            
            for( DataExtentList::const_iterator j = extents.begin(); j != extents.end(); ++j )
            {                
                // Convert the data extent to the profile that is actually used by this TileSource
                DataExtent dataExtent = *j;                
                GeoExtent ext = dataExtent.transform(profile->getSRS());
                unsigned int minLevel = 0;
                unsigned int maxLevel = profile->getEquivalentLOD( source->getProfile(), *dataExtent.maxLevel() );                                        
                dataExtent = DataExtent(ext, minLevel, maxLevel);                                
                getDataExtents().push_back( dataExtent );
            }          
        }

        ++i;
    }

    // set the new profile that was derived from the components
    setProfile( profile.get() );

    _initialized = true;
    return STATUS_OK;
}
コード例 #5
0
void
CompositeTileSource::initialize(const osgDB::Options* dbOptions, 
                                const Profile*        overrideProfile )
{
    _dbOptions = dbOptions;
    osg::ref_ptr<const Profile> profile = overrideProfile;

    for(CompositeTileSourceOptions::ComponentVector::iterator i = _options._components.begin();
        i != _options._components.end(); )
    {
        if ( i->_imageLayerOptions.isSet() )
        {
            if ( !i->_tileSourceInstance.valid() )
            {
                i->_tileSourceInstance = TileSourceFactory::create( i->_imageLayerOptions->driver().value() );
            
                if ( !i->_tileSourceInstance.valid() )
                {
                    OE_WARN << LC << "Could not find a TileSource for driver [" << i->_imageLayerOptions->driver()->getDriver() << "]" << std::endl;
                }
            }
        }

        if ( !i->_tileSourceInstance.valid() )
        {
            OE_WARN << LC << "A component has no valid TileSource ... removing." << std::endl;
            i = _options._components.erase( i );
        }
        else
        {
            TileSource* source = i->_tileSourceInstance.get();
            if ( source )
            {
                osg::ref_ptr<const Profile> localOverrideProfile = overrideProfile;

                const TileSourceOptions& opt = source->getOptions();
                if ( opt.profile().isSet() )
                    localOverrideProfile = Profile::create( opt.profile().value() );

                source->initialize( dbOptions, localOverrideProfile.get() );

                if ( !profile.valid() )
                {
                    // assume the profile of the first source to be the overall profile.
                    profile = source->getProfile();
                }
                else if ( !profile->isEquivalentTo( source->getProfile() ) )
                {
                    // if sub-sources have different profiles, print a warning because this is
                    // not supported!
                    OE_WARN << LC << "Components with differing profiles are not supported. " 
                        << "Visual anomalies may result." << std::endl;
                }
                
                _dynamic = _dynamic || source->isDynamic();

                // gather extents
                const DataExtentList& extents = source->getDataExtents();
                for( DataExtentList::const_iterator j = extents.begin(); j != extents.end(); ++j )
                {
                    getDataExtents().push_back( *j );
                }
            }
        }

        ++i;
    }

    setProfile( profile.get() );

    _initialized = true;
}