C++ const_iterator::yMin方法代码示例

Config 
TerrainLayer::CacheBinMetadata::getConfig() const
{
    Config conf("osgearth_terrainlayer_cachebin");
    conf.addIfSet("cachebin_id", _cacheBinId);
    conf.addIfSet("source_name", _sourceName);
    conf.addIfSet("source_driver", _sourceDriver);
    conf.addIfSet("source_tile_size", _sourceTileSize);
    conf.addObjIfSet("source_profile", _sourceProfile);
    conf.addObjIfSet("cache_profile", _cacheProfile);
    conf.addIfSet("cache_create_time", _cacheCreateTime);

    if (!_dataExtents.empty())
    {
        Config extents;
        for (DataExtentList::const_iterator i = _dataExtents.begin(); i != _dataExtents.end(); ++i)
        {
            Config extent;
            extent.set("srs", i->getSRS()->getHorizInitString());
            extent.set("xmin", i->xMin());
            extent.set("ymin", i->yMin());
            extent.set("xmax", i->xMax());
            extent.set("ymax", i->yMax());
            extent.addIfSet("minlevel", i->minLevel());
            extent.addIfSet("maxlevel", i->maxLevel());
            extents.add("extent", extent);
        }
        conf.add("extents", extents);
    }

    return conf;
}

void
TerrainLayer::initTileSource()
{
    _tileSourceInitAttempted = true;

    OE_DEBUG << LC << "Initializing tile source ..." << std::endl;

    // Instantiate it from driver options if it has not already been created.
    // This will also set a manual "override" profile if the user provided one.
    if ( !_tileSource.valid() )
    {
        if ( _runtimeOptions->driver().isSet() )
        {
            _tileSource = TileSourceFactory::create(*_runtimeOptions->driver());
        }
    }

    // Initialize the profile with the context information:
    if ( _tileSource.valid() )
    {
        // set up the URI options.
        if ( !_dbOptions.valid() )
        {
            _dbOptions = Registry::instance()->cloneOrCreateOptions();
            if ( _cache.valid() ) _cache->apply( _dbOptions.get() );
            _initOptions.cachePolicy()->apply( _dbOptions.get() );
            URIContext( _runtimeOptions->referrer() ).apply( _dbOptions.get() );
        }


        // report on a manual override profile:
        if ( _tileSource->getProfile() )
        {
            OE_INFO << LC << "set profile to: " 
                << _tileSource->getProfile()->toString() << std::endl;
        }

        // Open the tile source (if it hasn't already been started)
        TileSource::Status status = _tileSource->getStatus();
        if ( status != TileSource::STATUS_OK )
        {
            status = _tileSource->open(TileSource::MODE_READ, _dbOptions.get());
        }

        if ( status == TileSource::STATUS_OK )
        {
            _tileSize = _tileSource->getPixelsPerTile();

#if 0 //debugging 
            // dump out data extents:
            if ( _tileSource->getDataExtents().size() > 0 )
            {
                OE_INFO << LC << "Data extents reported:" << std::endl;
                for(DataExtentList::const_iterator i = _tileSource->getDataExtents().begin();
                    i != _tileSource->getDataExtents().end(); ++i)
                {
                    const DataExtent& de = *i;
                    OE_INFO << "    "
                        << "X(" << i->xMin() << ", " << i->xMax() << ") "
                        << "Y(" << i->yMin() << ", " << i->yMax() << ") "
                        << "Z(" << i->minLevel().get() << ", " << i->maxLevel().get() << ")"
                        << std::endl;
                }                
            }
#endif
        }
        else
        {
            OE_WARN << LC << "Could not initialize driver" << std::endl;
            _tileSource = NULL;
            _tileSourceInitFailed = true;
            _runtimeOptions->enabled() = true;
        }
    }

    // Set the profile from the TileSource if possible:
    if ( _tileSource.valid() )
    {
        if ( !_profile.valid() && !_tileSourceInitFailed )
        {
            _profile = _tileSource->getProfile();
        }

        // check for a vertical datum override:
        if ( _profile.valid() && _runtimeOptions->verticalDatum().isSet() )
        {
            std::string vdatum = *_runtimeOptions->verticalDatum();
            if ( !ciEquals(_profile->getSRS()->getVertInitString(), vdatum) )
            {
                OE_INFO << LC << "Overriding vdatum with: " << vdatum << std::endl;
                ProfileOptions po = _profile->toProfileOptions();
                po.vsrsString() = vdatum;
                _profile = Profile::create(po);
            }
        }

        if ( _profile.valid() )
        {
            OE_INFO << LC << "Profile=" << _profile->toString() << std::endl;
        }
//.........这里部分代码省略.........

static XmlDocument*
tileMapToXmlDocument(const TileMap* tileMap)
{
    //Create the root XML document
    osg::ref_ptr<XmlDocument> doc = new XmlDocument();
    doc->setName( ELEM_TILEMAP );
    doc->getAttrs()[ ATTR_VERSION ] = tileMap->getVersion();
    doc->getAttrs()[ ATTR_TILEMAPSERVICE ] = tileMap->getTileMapService();
  
    doc->addSubElement( ELEM_TITLE, tileMap->getTitle() );
    doc->addSubElement( ELEM_ABSTRACT, tileMap->getAbstract() );
    doc->addSubElement( ELEM_SRS, tileMap->getSRS() );
    doc->addSubElement( ELEM_VERTICAL_SRS, tileMap->getVerticalSRS() );

    osg::ref_ptr<XmlElement> e_bounding_box = new XmlElement( ELEM_BOUNDINGBOX );
    double minX, minY, maxX, maxY;
    tileMap->getExtents( minX, minY, maxX, maxY );
    e_bounding_box->getAttrs()[ATTR_MINX] = toString(minX);
    e_bounding_box->getAttrs()[ATTR_MINY] = toString(minY);
    e_bounding_box->getAttrs()[ATTR_MAXX] = toString(maxX);
    e_bounding_box->getAttrs()[ATTR_MAXY] = toString(maxY);
    doc->getChildren().push_back(e_bounding_box.get() );

    osg::ref_ptr<XmlElement> e_origin = new XmlElement( ELEM_ORIGIN );
    e_origin->getAttrs()[ATTR_X] = toString(tileMap->getOriginX());
    e_origin->getAttrs()[ATTR_Y] = toString(tileMap->getOriginY());
    doc->getChildren().push_back(e_origin.get());

    osg::ref_ptr<XmlElement> e_tile_format = new XmlElement( ELEM_TILE_FORMAT );
    e_tile_format->getAttrs()[ ATTR_EXTENSION ] = tileMap->getFormat().getExtension();
    e_tile_format->getAttrs()[ ATTR_MIME_TYPE ] = tileMap->getFormat().getMimeType();
    e_tile_format->getAttrs()[ ATTR_WIDTH ] = toString<unsigned int>(tileMap->getFormat().getWidth());
    e_tile_format->getAttrs()[ ATTR_HEIGHT ] = toString<unsigned int>(tileMap->getFormat().getHeight());
    doc->getChildren().push_back(e_tile_format.get());

    osg::ref_ptr< const osgEarth::Profile > profile = tileMap->createProfile();

    osg::ref_ptr<XmlElement> e_tile_sets = new XmlElement ( ELEM_TILESETS );
    std::string profileString = "none";
    if (profile->isEquivalentTo(osgEarth::Registry::instance()->getGlobalGeodeticProfile()))
    {
        profileString = "global-geodetic";
    }
    else if (profile->isEquivalentTo(osgEarth::Registry::instance()->getGlobalMercatorProfile()))
    {
        profileString = "global-mercator";
    }
    else
    {
        profileString = "local";
    }
    e_tile_sets->getAttrs()[ ATTR_PROFILE ] = profileString;


    for (TileMap::TileSetList::const_iterator itr = tileMap->getTileSets().begin(); itr != tileMap->getTileSets().end(); ++itr)
    {
        osg::ref_ptr<XmlElement> e_tile_set = new XmlElement( ELEM_TILESET );
        e_tile_set->getAttrs()[ATTR_HREF] = itr->getHref();
        e_tile_set->getAttrs()[ATTR_ORDER] = toString<unsigned int>(itr->getOrder());
        e_tile_set->getAttrs()[ATTR_UNITSPERPIXEL] = toString(itr->getUnitsPerPixel());
        e_tile_sets->getChildren().push_back( e_tile_set.get() );
    }
    doc->getChildren().push_back(e_tile_sets.get());

    //Write out the data areas
    if (tileMap->getDataExtents().size() > 0)
    {
        osg::ref_ptr<XmlElement> e_data_extents = new XmlElement( ELEM_DATA_EXTENTS );
        for (DataExtentList::const_iterator itr = tileMap->getDataExtents().begin(); itr != tileMap->getDataExtents().end(); ++itr)
        {
            osg::ref_ptr<XmlElement> e_data_extent = new XmlElement( ELEM_DATA_EXTENT );
            e_data_extent->getAttrs()[ATTR_MINX] = toString(itr->xMin());
            e_data_extent->getAttrs()[ATTR_MINY] = toString(itr->yMin());
            e_data_extent->getAttrs()[ATTR_MAXX] = toString(itr->xMax());
            e_data_extent->getAttrs()[ATTR_MAXY] = toString(itr->yMax());
            if ( itr->minLevel().isSet() )
                e_data_extent->getAttrs()[ATTR_MIN_LEVEL] = toString<unsigned int>(*itr->minLevel());
            if ( itr->maxLevel().isSet() )
                e_data_extent->getAttrs()[ATTR_MAX_LEVEL] = toString<unsigned int>(*itr->maxLevel());
            e_data_extents->getChildren().push_back( e_data_extent );
        }
        doc->getChildren().push_back( e_data_extents.get() );
    }
    return doc.release();
}

TileSource*
TerrainLayer::createTileSource()
{
    osg::ref_ptr<TileSource> ts;

    if ( _tileSource.valid() )
    {
        // this will happen if the layer was created with an explicit TileSource instance.
        ts = _tileSource.get();
    }

    else
    {
        // Instantiate it from driver options if it has not already been created.
        // This will also set a manual "override" profile if the user provided one.
        if ( _runtimeOptions->driver().isSet() )
        {
            OE_INFO << LC << "Creating TileSource, driver = \"" << _runtimeOptions->driver()->getDriver() << "\"\n";
            ts = TileSourceFactory::create( *_runtimeOptions->driver() );
            if ( !ts.valid() )
            {
                OE_WARN << LC << "Failed to create TileSource for driver \"" << _runtimeOptions->driver()->getDriver() << "\"\n";
            }
        }
    }

    // Initialize the profile with the context information:
    if ( ts.valid() )
    {
        // set up the URI options.
        if ( !_dbOptions.valid() )
        {
            _dbOptions = Registry::instance()->cloneOrCreateOptions();
            if ( _cache.valid() )
                _cache->apply( _dbOptions.get() );
            _initOptions.cachePolicy()->apply( _dbOptions.get() );
            URIContext( _runtimeOptions->referrer() ).apply( _dbOptions.get() );
        }

        // report on a manual override profile:
        if ( ts->getProfile() )
        {
            OE_INFO << LC << "Override profile: "  << ts->getProfile()->toString() << std::endl;
        }

        // Open the tile source (if it hasn't already been started)
        TileSource::Status status = ts->getStatus();
        if ( status != TileSource::STATUS_OK )
        {
            status = ts->open(TileSource::MODE_READ, _dbOptions.get());
        }

        if ( status == TileSource::STATUS_OK )
        {
            _tileSize = ts->getPixelsPerTile();

#if 0 //debugging 
            // dump out data extents:
            if ( ts->getDataExtents().size() > 0 )
            {
                OE_INFO << LC << "Data extents reported:" << std::endl;
                for(DataExtentList::const_iterator i = ts->getDataExtents().begin();
                    i != ts->getDataExtents().end(); ++i)
                {
                    const DataExtent& de = *i;
                    OE_INFO << "    "
                        << "X(" << i->xMin() << ", " << i->xMax() << ") "
                        << "Y(" << i->yMin() << ", " << i->yMax() << ") "
                        << "Z(" << i->minLevel().get() << ", " << i->maxLevel().get() << ")"
                        << std::endl;
                }                
            }
#endif
        }
        else
        {
            OE_WARN << LC << "Could not initialize driver" << std::endl;
            ts = NULL;
            //_tileSourceInitFailed = true;
            _runtimeOptions->enabled() = true;
        }
    }

    // Set the profile from the TileSource if possible:
    if ( ts.valid() )
    {
        if ( !_profile.valid() )
        {
            OE_DEBUG << LC << "Get Profile from tile source" << std::endl;
            _profile = ts->getProfile();
        }


        if ( _profile.valid() )
        {
            // create the final profile from any overrides:
            applyProfileOverrides();

            OE_INFO << LC << "Profile=" << _profile->toString() << std::endl;
        }
//.........这里部分代码省略.........