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;
}
Beispiel #2
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;
}