osgEarth::TMSCache Class Reference

Inheritance diagram for osgEarth::TMSCache:

Collaboration diagram for osgEarth::TMSCache:

List of all members.

Public Member Functions
	TMSCache (const TMSCacheOptions &options=TMSCacheOptions())
	TMSCache (const TMSCache &rhs, const osg::CopyOp &op=osg::CopyOp::DEEP_COPY_ALL)
	META_Object (osgEarth, TMSCache)
const bool &	getInvertY ()
void	setInvertY (const bool &invertY)
virtual std::string	getFilename (const TileKey &key, const CacheSpec &spec) const
Private Attributes
bool	_invertY
TMSCacheOptions	_options

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Detailed Description

Disk-based cache that stores image tiles according the the OSGeo TMS specification. TODO: move this imlpementation into a proper driver plugin

Definition at line 448 of file Caching.

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Constructor & Destructor Documentation

TMSCache::TMSCache

(

const TMSCacheOptions &

options = TMSCacheOptions()

)

Definition at line 474 of file Caching.cpp.

                                                   :
DiskCache( options ),
_options( options )
{
    setName( "tms" );
}

TMSCache::TMSCache	(	const TMSCache &	rhs,
		const osg::CopyOp &	op = osg::CopyOp::DEEP_COPY_ALL
	)

Definition at line 481 of file Caching.cpp.

                                                             :
DiskCache( rhs, op ),
_options( rhs._options )
{
    //nop
}

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Member Function Documentation

std::string TMSCache::getFilename	(	const TileKey &	key,
		const CacheSpec &	spec
	)		const [virtual]

Gets the filename to cache to for the given TileKey

Reimplemented from osgEarth::DiskCache.

Definition at line 489 of file Caching.cpp.

{
        unsigned int x,y;
    key.getTileXY(x, y);

    unsigned int lod = key.getLevelOfDetail();
    
    unsigned int numCols, numRows;
    key.getProfile()->getNumTiles(lod, numCols, numRows);
    if ( _options.invertY() == false )
    {
        y = numRows - y - 1;
    }

    std::stringstream buf;
    buf << getPath() << "/" << spec.cacheId() << "/" << lod << "/" << x << "/" << y << "." << spec.format();
        std::string bufStr;
        bufStr = buf.str();
    return bufStr;
}

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const bool& osgEarth::TMSCache::getInvertY

(

)

[inline]

Gets whether or not to invert the y tile index

Definition at line 459 of file Caching.

{return _invertY; }

osgEarth::TMSCache::META_Object	(	osgEarth	,
		TMSCache
	)

void osgEarth::TMSCache::setInvertY

(

const bool &

invertY

)

[inline]

Sets whether or not to invert the y tile index

Definition at line 464 of file Caching.

{_invertY = invertY;}

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Member Data Documentation

bool osgEarth::TMSCache::_invertY [private]

Definition at line 472 of file Caching.

TMSCacheOptions osgEarth::TMSCache::_options [private]

Reimplemented from osgEarth::DiskCache.

Definition at line 473 of file Caching.

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The documentation for this class was generated from the following files:

• /home/cube/sources/osgearth/src/osgEarth/Caching
• /home/cube/sources/osgearth/src/osgEarth/Caching.cpp