BuildColorLayer Struct Reference

Collaboration diagram for BuildColorLayer:

List of all members.

Public Member Functions
void	init (const TileKey &key, ImageLayer *layer, const MapInfo &mapInfo, const OSGTerrainOptions &opt, TileBuilder::SourceRepo &repo)
void	execute ()
Public Attributes
TileKey	_key
const MapInfo *	_mapInfo
ImageLayer *	_layer
const OSGTerrainOptions *	_opt
TileBuilder::SourceRepo *	_repo

---

Detailed Description

Definition at line 31 of file TileBuilder.cpp.

---

Member Function Documentation

void BuildColorLayer::execute

(

)

[inline]

Definition at line 43 of file TileBuilder.cpp.

    {
        GeoImage geoImage;
        bool isFallbackData = false;

        // fetch the image from the layer, falling back on parent keys utils we are 
        // able to find one that works.
        TileKey imageKey( _key );
        while( !geoImage.valid() && imageKey.valid() && _layer->isKeyValid(imageKey) )
        {
            geoImage = _layer->createImage( imageKey, 0L ); // TODO: include a progress callback?
            if ( !geoImage.valid() )
            {
                imageKey = imageKey.createParentKey();
                isFallbackData = true;
            }
        }

        GeoLocator* locator = 0L;

        if ( !geoImage.valid() )
        {
            // no image found, so make an empty one (one pixel alpha).
            geoImage = GeoImage( ImageUtils::createEmptyImage(), _key.getExtent() );
            locator = GeoLocator::createForKey( _key, *_mapInfo );
            isFallbackData = true;
        }
        else
        {
            locator = GeoLocator::createForExtent(geoImage.getExtent(), *_mapInfo);                                                                                       
        }
        // add the color layer to the repo.
        _repo->add( CustomColorLayer(
            _layer,
            geoImage.getImage(),
            locator,
            _key.getLevelOfDetail(),
            _key,
            isFallbackData ) );
    }

Here is the call graph for this function:

Here is the caller graph for this function:

void BuildColorLayer::init	(	const TileKey &	key,
		ImageLayer *	layer,
		const MapInfo &	mapInfo,
		const OSGTerrainOptions &	opt,
		TileBuilder::SourceRepo &	repo
	)		[inline]

Definition at line 33 of file TileBuilder.cpp.

    {
        _key      = key;
        _layer    = layer;
        _mapInfo  = &mapInfo;
        _opt      = &opt;
        _repo     = &repo;
    }

Here is the caller graph for this function:

---

Member Data Documentation

TileKey BuildColorLayer::_key

Definition at line 84 of file TileBuilder.cpp.

ImageLayer* BuildColorLayer::_layer

Definition at line 86 of file TileBuilder.cpp.

const MapInfo* BuildColorLayer::_mapInfo

Definition at line 85 of file TileBuilder.cpp.

const OSGTerrainOptions* BuildColorLayer::_opt

Definition at line 87 of file TileBuilder.cpp.

TileBuilder::SourceRepo* BuildColorLayer::_repo

Definition at line 88 of file TileBuilder.cpp.

---

The documentation for this struct was generated from the following file:

• /home/cube/sources/osgearth/src/osgEarthDrivers/engine_osgterrain/TileBuilder.cpp