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;
}
}
// Otherwise, force cache-only mode (since there is no tilesource). The layer will try to
// establish a profile from the metadata in the cache instead.
else if (_cache.valid())
{
OE_NOTICE << LC << "Could not initialize TileSource " << _name << ", but a cache exists. Setting layer to cache-only mode." << std::endl;
setCachePolicy( CachePolicy::CACHE_ONLY );
}
}
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;
}
}
// Otherwise, force cache-only mode (since there is no tilesource). The layer will try to
// establish a profile from the metadata in the cache instead.
else if (_cache.valid())
{
OE_NOTICE << LC << "Could not initialize TileSource " << _name << ", but a cache exists. Setting layer to cache-only mode." << std::endl;
setCachePolicy( CachePolicy::CACHE_ONLY );
}
return ts.release();
}
