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C++ ImageLayer::getCache方法代码示例

本文整理汇总了C++中ImageLayer::getCache方法的典型用法代码示例。如果您正苦于以下问题：C++ ImageLayer::getCache方法的具体用法？C++ ImageLayer::getCache怎么用？C++ ImageLayer::getCache使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类ImageLayer的用法示例。


在下文中一共展示了ImageLayer::getCache方法的4个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: seed

void CacheSeed::seed( Map* map )
{
    // We must do this to avoid an error message in OpenSceneGraph b/c the findWrapper method doesn't appear to be threadsafe.
    // This really isn't a big deal b/c this only effects data that is already cached.
    osgDB::ObjectWrapper* wrapper = osgDB::Registry::instance()->getObjectWrapperManager()->findWrapper( "osg::Image" );

    osg::Timer_t startTime = osg::Timer::instance()->tick();
    if ( !map->getCache() )
    {
        OE_WARN << LC << "Warning: No cache defined; aborting." << std::endl;
        return;
    }

    std::vector<TileKey> keys;
    map->getProfile()->getRootKeys(keys);

    //Add the map's entire extent if we don't have one specified.
    if (_extents.empty())
    {
        addExtent( map->getProfile()->getExtent() );
    }

    bool hasCaches = false;
    int src_min_level = INT_MAX;
    unsigned int src_max_level = 0;

    MapFrame mapf( map, Map::TERRAIN_LAYERS, "CacheSeed::seed" );

    //Assumes the the TileSource will perform the caching for us when we call createImage
    for( ImageLayerVector::const_iterator i = mapf.imageLayers().begin(); i != mapf.imageLayers().end(); i++ )
    {
        ImageLayer* layer = i->get();
        TileSource* src   = layer->getTileSource();

        const ImageLayerOptions& opt = layer->getImageLayerOptions();

        if ( layer->isCacheOnly() )
        {
            OE_WARN << LC << "Warning: Layer \"" << layer->getName() << "\" is set to cache-only; skipping." << std::endl;
        }
        else if ( !src )
        {
            OE_WARN << "Warning: Layer \"" << layer->getName() << "\" could not create TileSource; skipping." << std::endl;
        }
        //else if ( src->getCachePolicyHint(0L) == CachePolicy::NO_CACHE )
        //{
        //    OE_WARN << LC << "Warning: Layer \"" << layer->getName() << "\" does not support seeding; skipping." << std::endl;
        //}
        else if ( !layer->getCache() )
        {
            OE_WARN << LC << "Notice: Layer \"" << layer->getName() << "\" has no cache defined; skipping." << std::endl;
        }
        else
        {
            hasCaches = true;

            if (opt.minLevel().isSet() && (int)opt.minLevel().get() < src_min_level)
                src_min_level = opt.minLevel().get();
            if (opt.maxLevel().isSet() && opt.maxLevel().get() > src_max_level)
                src_max_level = opt.maxLevel().get();
        }
    }

    for( ElevationLayerVector::const_iterator i = mapf.elevationLayers().begin(); i != mapf.elevationLayers().end(); i++ )
    {
        ElevationLayer* layer = i->get();
        TileSource*     src   = layer->getTileSource();
        const ElevationLayerOptions& opt = layer->getElevationLayerOptions();

        if ( layer->isCacheOnly() )
        {
            OE_WARN << LC << "Warning: Layer \"" << layer->getName() << "\" is set to cache-only; skipping." << std::endl;
        }
        else if (!src)
        {
            OE_WARN << "Warning: Layer \"" << layer->getName() << "\" could not create TileSource; skipping." << std::endl;
        }
        //else if ( src->getCachePolicyHint(0L) == CachePolicy::NO_CACHE )
        //{
        //    OE_WARN << LC << "Warning: Layer \"" << layer->getName() << "\" does not support seeding; skipping." << std::endl;
        //}
        else if ( !layer->getCache() )
        {
            OE_WARN << LC << "Notice: Layer \"" << layer->getName() << "\" has no cache defined; skipping." << std::endl;
        }
        else
        {
            hasCaches = true;

            if (opt.minLevel().isSet() && (int)opt.minLevel().get() < src_min_level)
                src_min_level = opt.minLevel().get();
            if (opt.maxLevel().isSet() && opt.maxLevel().get() > src_max_level)
                src_max_level = opt.maxLevel().get();
        }
    }

    if ( !hasCaches )
    {
        OE_WARN << LC << "There are either no caches defined in the map, or no sources to cache; aborting." << std::endl;
        return;
//.........这里部分代码省略.........
开发者ID:APerennec，项目名称:osgearth，代码行数:101，代码来源:CacheSeed.cpp

示例2: seed

void CacheSeed::seed( Map* map )
{
    if ( !map->getCache() )
    {
        OE_WARN << LC << "Warning: No cache defined; aborting." << std::endl;
        return;
    }

    std::vector<TileKey> keys;
    map->getProfile()->getRootKeys(keys);

    //Add the map's entire extent if we don't have one specified.
    if (_extents.empty())
    {
        addExtent( map->getProfile()->getExtent() );
    }

    bool hasCaches = false;
    int src_min_level = INT_MAX;
    unsigned int src_max_level = 0;

    MapFrame mapf( map, Map::TERRAIN_LAYERS, "CacheSeed::seed" );

    //Assumes the the TileSource will perform the caching for us when we call createImage
    for( ImageLayerVector::const_iterator i = mapf.imageLayers().begin(); i != mapf.imageLayers().end(); i++ )
    {
        ImageLayer* layer = i->get();
        TileSource* src   = layer->getTileSource();

        const ImageLayerOptions& opt = layer->getImageLayerOptions();

        if ( layer->isCacheOnly() )
        {
            OE_WARN << LC << "Warning: Layer \"" << layer->getName() << "\" is set to cache-only; skipping." << std::endl;
        }
        else if ( !src )
        {
            OE_WARN << "Warning: Layer \"" << layer->getName() << "\" could not create TileSource; skipping." << std::endl;
        }
        //else if ( src->getCachePolicyHint(0L) == CachePolicy::NO_CACHE )
        //{
        //    OE_WARN << LC << "Warning: Layer \"" << layer->getName() << "\" does not support seeding; skipping." << std::endl;
        //}
        else if ( !layer->getCache() )
        {
            OE_WARN << LC << "Notice: Layer \"" << layer->getName() << "\" has no cache defined; skipping." << std::endl;
        }
        else
        {
            hasCaches = true;

            if (opt.minLevel().isSet() && (int)opt.minLevel().get() < src_min_level)
                src_min_level = opt.minLevel().get();
            if (opt.maxLevel().isSet() && opt.maxLevel().get() > src_max_level)
                src_max_level = opt.maxLevel().get();
        }
    }

    for( ElevationLayerVector::const_iterator i = mapf.elevationLayers().begin(); i != mapf.elevationLayers().end(); i++ )
    {
        ElevationLayer* layer = i->get();
        TileSource*     src   = layer->getTileSource();
        const ElevationLayerOptions& opt = layer->getElevationLayerOptions();

        if ( layer->isCacheOnly() )
        {
            OE_WARN << LC << "Warning: Layer \"" << layer->getName() << "\" is set to cache-only; skipping." << std::endl;
        }
        else if (!src)
        {
            OE_WARN << "Warning: Layer \"" << layer->getName() << "\" could not create TileSource; skipping." << std::endl;
        }
        //else if ( src->getCachePolicyHint(0L) == CachePolicy::NO_CACHE )
        //{
        //    OE_WARN << LC << "Warning: Layer \"" << layer->getName() << "\" does not support seeding; skipping." << std::endl;
        //}
        else if ( !layer->getCache() )
        {
            OE_WARN << LC << "Notice: Layer \"" << layer->getName() << "\" has no cache defined; skipping." << std::endl;
        }
        else
        {
            hasCaches = true;

            if (opt.minLevel().isSet() && (int)opt.minLevel().get() < src_min_level)
                src_min_level = opt.minLevel().get();
            if (opt.maxLevel().isSet() && opt.maxLevel().get() > src_max_level)
                src_max_level = opt.maxLevel().get();
        }
    }

    if ( !hasCaches )
    {
        OE_WARN << LC << "There are either no caches defined in the map, or no sources to cache; aborting." << std::endl;
        return;
    }

    if ( src_max_level > 0 && src_max_level < _maxLevel )
    {
        _maxLevel = src_max_level;
//.........这里部分代码省略.........
开发者ID:codingless，项目名称:osgearth，代码行数:101，代码来源:CacheSeed.cpp

示例3: seed

void CacheSeed::seed( Map* map )
{
    if ( !map->getCache() )
    {
        OE_WARN << LC << "Warning: No cache defined; aborting." << std::endl;
        return;
    }

    std::vector<TileKey> keys;
    map->getProfile()->getRootKeys(keys);

    //Add the map's entire extent if we don't have one specified.
    if (_extents.empty())
    {
        addExtent( map->getProfile()->getExtent() );
    }

    bool hasCaches = false;
    int src_min_level = INT_MAX;
    unsigned int src_max_level = 0;

    MapFrame mapf( map, Map::TERRAIN_LAYERS, "CacheSeed::seed" );

    //Assumes the the TileSource will perform the caching for us when we call createImage
    for( ImageLayerVector::const_iterator i = mapf.imageLayers().begin(); i != mapf.imageLayers().end(); i++ )
    {
        ImageLayer* layer = i->get();
        TileSource* src   = layer->getTileSource();

        const ImageLayerOptions& opt = layer->getImageLayerOptions();

        if ( layer->isCacheOnly() )
        {
            OE_WARN << LC << "Warning: Layer \"" << layer->getName() << "\" is set to cache-only; skipping." << std::endl;
        }
        else if ( !src )
        {
            OE_WARN << "Warning: Layer \"" << layer->getName() << "\" could not create TileSource; skipping." << std::endl;
        }
        //else if ( src->getCachePolicyHint(0L) == CachePolicy::NO_CACHE )
        //{
        //    OE_WARN << LC << "Warning: Layer \"" << layer->getName() << "\" does not support seeding; skipping." << std::endl;
        //}
        else if ( !layer->getCache() )
        {
            OE_WARN << LC << "Notice: Layer \"" << layer->getName() << "\" has no cache defined; skipping." << std::endl;
        }
        else
        {
            hasCaches = true;

            if (opt.minLevel().isSet() && (int)opt.minLevel().get() < src_min_level)
                src_min_level = opt.minLevel().get();
            if (opt.maxLevel().isSet() && opt.maxLevel().get() > src_max_level)
                src_max_level = opt.maxLevel().get();
        }
    }

    for( ElevationLayerVector::const_iterator i = mapf.elevationLayers().begin(); i != mapf.elevationLayers().end(); i++ )
    {
        ElevationLayer* layer = i->get();
        TileSource*     src   = layer->getTileSource();
        const ElevationLayerOptions& opt = layer->getElevationLayerOptions();

        if ( layer->isCacheOnly() )
        {
            OE_WARN << LC << "Warning: Layer \"" << layer->getName() << "\" is set to cache-only; skipping." << std::endl;
        }
        else if (!src)
        {
            OE_WARN << "Warning: Layer \"" << layer->getName() << "\" could not create TileSource; skipping." << std::endl;
        }
        //else if ( src->getCachePolicyHint(0L) == CachePolicy::NO_CACHE )
        //{
        //    OE_WARN << LC << "Warning: Layer \"" << layer->getName() << "\" does not support seeding; skipping." << std::endl;
        //}
        else if ( !layer->getCache() )
        {
            OE_WARN << LC << "Notice: Layer \"" << layer->getName() << "\" has no cache defined; skipping." << std::endl;
        }
        else
        {
            hasCaches = true;

            if (opt.minLevel().isSet() && (int)opt.minLevel().get() < src_min_level)
                src_min_level = opt.minLevel().get();
            if (opt.maxLevel().isSet() && opt.maxLevel().get() > src_max_level)
                src_max_level = opt.maxLevel().get();
        }
    }

    if ( !hasCaches )
    {
        OE_WARN << LC << "There are either no caches defined in the map, or no sources to cache; aborting." << std::endl;
        return;
    }

    if ( src_max_level > 0 && src_max_level < _maxLevel )
    {
        _maxLevel = src_max_level;
//.........这里部分代码省略.........
开发者ID:ebabyak，项目名称:osgearth，代码行数:101，代码来源:CacheSeed.cpp

示例4: getProfile

bool
MapFrame::isCached( const osgEarth::TileKey& key ) const
{
    const Profile* mapProfile = getProfile();

    //Check the imagery layers
    for( ImageLayerVector::const_iterator i = imageLayers().begin(); i != imageLayers().end(); i++ )
    {
        ImageLayer* layer = i->get();
        osg::ref_ptr< Cache > cache = layer->getCache();

        if ( !cache.valid() || !layer->getProfile() ) 
            return false;

        std::vector< TileKey > keys;

        if ( mapProfile->isEquivalentTo( layer->getProfile() ) )
        {
            keys.push_back( key );
        }
        else
        {
            layer->getProfile()->getIntersectingTiles( key, keys );
        }

        for (unsigned int j = 0; j < keys.size(); ++j)
        {
            if ( layer->isKeyValid( keys[j] ) )
            {
                if ( !cache->isCached( keys[j], layer->getCacheSpec() ) )
                {
                    return false;
                }
            }
        }
    }

    for( ElevationLayerVector::const_iterator i = elevationLayers().begin(); i != elevationLayers().end(); ++i )
    {
        ElevationLayer* layer = i->get();
        osg::ref_ptr< Cache > cache = layer->getCache();

        if ( !cache.valid() || !layer->getProfile() )
            return false;

        std::vector<TileKey> keys;

        if ( mapProfile->isEquivalentTo( layer->getProfile() ) )
        {
            keys.push_back( key );
        }
        else
        {
            layer->getProfile()->getIntersectingTiles( key, keys );
        }

        for (unsigned int j = 0; j < keys.size(); ++j)
        {
            if ( layer->isKeyValid( keys[j] ) )
            {
                if ( !cache->isCached( keys[j], layer->getCacheSpec() ) )
                {
                    return false;
                }
            }
        }
    }
    return true;
}
开发者ID:korash，项目名称:osgearth，代码行数:69，代码来源:Map.cpp


注：本文中的ImageLayer::getCache方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。