BuildElevLayer Struct Reference

Collaboration diagram for BuildElevLayer:

List of all members.

Public Member Functions
void	init (const TileKey &key, const MapFrame &mapf, const OSGTerrainOptions &opt, TileBuilder::SourceRepo &repo)
void	execute ()
Public Attributes
TileKey	_key
const MapFrame *	_mapf
const OSGTerrainOptions *	_opt
TileBuilder::SourceRepo *	_repo

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Detailed Description

Definition at line 93 of file TileBuilder.cpp.

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Member Function Documentation

void BuildElevLayer::execute

(

)

[inline]

Definition at line 103 of file TileBuilder.cpp.

    {
        const MapInfo& mapInfo = _mapf->getMapInfo();

        // Request a heightfield from the map, falling back on lower resolution tiles
        // if necessary (fallback=true)
        osg::ref_ptr<osg::HeightField> hf;
        bool isFallback = false;

        if ( _mapf->getHeightField( _key, true, hf, &isFallback, *_opt->elevationInterpolation() ) )
        {
            // Treat Plate Carre specially by scaling the height values. (There is no need
            // to do this with an empty heightfield)
            if ( mapInfo.isPlateCarre() )
            {
                HeightFieldUtils::scaleHeightFieldToDegrees( hf.get() );
            }

            // Put it in the repo
            osgTerrain::HeightFieldLayer* hfLayer = new osgTerrain::HeightFieldLayer( hf.get() );

            // Generate a locator.
            hfLayer->setLocator( GeoLocator::createForKey( _key, mapInfo ) );

            _repo->set( CustomElevLayer(hfLayer, isFallback) );
        }
    }

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void BuildElevLayer::init	(	const TileKey &	key,
		const MapFrame &	mapf,
		const OSGTerrainOptions &	opt,
		TileBuilder::SourceRepo &	repo
	)		[inline]

Definition at line 95 of file TileBuilder.cpp.

    {
        _key  = key;
        _mapf = &mapf;
        _opt  = &opt;
        _repo = &repo;
    }

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Member Data Documentation

TileKey BuildElevLayer::_key

Definition at line 131 of file TileBuilder.cpp.

const MapFrame* BuildElevLayer::_mapf

Definition at line 132 of file TileBuilder.cpp.

const OSGTerrainOptions* BuildElevLayer::_opt

Definition at line 133 of file TileBuilder.cpp.

TileBuilder::SourceRepo* BuildElevLayer::_repo

Definition at line 134 of file TileBuilder.cpp.

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

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