osgEarth::MapInfo Class Reference

List of all members.

Public Member Functions
	MapInfo (const Map *map)
	MapInfo (const MapInfo &rhs)
const Profile *	getProfile () const
bool	isGeocentric () const
bool	isCube () const
bool	isPlateCarre () const
bool	isProjectedSRS () const
bool	isGeographicSRS () const
bool	toMapPoint (const osg::Vec3d &input, const SpatialReference *input_srs, osg::Vec3d &output) const
bool	mapPointToWorldPoint (const osg::Vec3d &input, osg::Vec3d &output) const
bool	worldPointToMapPoint (const osg::Vec3d &input, osg::Vec3d &output) const
Private Attributes
osg::ref_ptr< const Profile >	_profile
bool	_isGeocentric
bool	_isCube

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Detailed Description

A convenience class that combines a general geospatial profile and additional information about the map itself.

Definition at line 412 of file Map.

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Constructor & Destructor Documentation

osgEarth::MapInfo::MapInfo

(

const Map *

map

)

[inline]

Definition at line 415 of file Map.

            : _profile( map->getProfile() ),
              _isGeocentric( map->isGeocentric() ),
              _isCube( map->getMapOptions().coordSysType() == MapOptions::CSTYPE_GEOCENTRIC_CUBE ) { }

osgEarth::MapInfo::MapInfo

(

const MapInfo &

rhs

)

[inline]

Definition at line 420 of file Map.

            : _profile( rhs._profile ),
              _isGeocentric( rhs._isGeocentric ),
              _isCube( rhs._isCube ) { }              

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Member Function Documentation

const Profile* osgEarth::MapInfo::getProfile

(

)

const [inline]

Definition at line 425 of file Map.

{ return _profile.get(); }

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bool osgEarth::MapInfo::isCube

(

)

const [inline]

Definition at line 428 of file Map.

{ return _isCube; }

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bool osgEarth::MapInfo::isGeocentric

(

)

const [inline]

Definition at line 427 of file Map.

{ return _isGeocentric; }

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bool osgEarth::MapInfo::isGeographicSRS

(

)

const [inline]

Definition at line 432 of file Map.

{ return _profile->getSRS()->isGeographic(); }        

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bool osgEarth::MapInfo::isPlateCarre

(

)

const [inline]

Definition at line 429 of file Map.

{ return !_isGeocentric && isGeographicSRS(); }

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bool osgEarth::MapInfo::isProjectedSRS

(

)

const [inline]

Definition at line 431 of file Map.

{ return !isGeographicSRS(); }

bool MapInfo::mapPointToWorldPoint	(	const osg::Vec3d &	input,
		osg::Vec3d &	output
	)		const

Definition at line 1273 of file Map.cpp.

{
    if ( _isGeocentric )
    {
        _profile->getSRS()->getEllipsoid()->convertLatLongHeightToXYZ(
            osg::DegreesToRadians( input.y() ), osg::DegreesToRadians( input.x() ), input.z(),
            output.x(), output.y(), output.z() );
    }
    else
    {
        output = input;
    }
    return true;
}

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bool MapInfo::toMapPoint	(	const osg::Vec3d &	input,
		const SpatialReference *	input_srs,
		osg::Vec3d &	output
	)		const

Definition at line 1253 of file Map.cpp.

{
    if ( !inputSRS )
        return false;

    const SpatialReference* mapSRS = _profile->getSRS();

    if ( inputSRS->isEquivalentTo( mapSRS ) )
    {
        output = input;
        return true;
    }

    return inputSRS->transform(
        input.x(), input.y(), input.z(),
        mapSRS,
        output.x(), output.y(), output.z() );
}

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bool MapInfo::worldPointToMapPoint	(	const osg::Vec3d &	input,
		osg::Vec3d &	output
	)		const

Definition at line 1289 of file Map.cpp.

{
    if ( _isGeocentric )
    { 
        _profile->getSRS()->getEllipsoid()->convertXYZToLatLongHeight(
            input.x(), input.y(), input.z(),
            output.y(), output.x(), output.z() );

        output.y() = osg::RadiansToDegrees(output.y());
        output.x() = osg::RadiansToDegrees(output.x());
    }
    else
    {
        output = input;
    }
    return true;
}

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Member Data Documentation

bool osgEarth::MapInfo::_isCube [private]

Definition at line 440 of file Map.

bool osgEarth::MapInfo::_isGeocentric [private]

Definition at line 440 of file Map.

osg::ref_ptr<const Profile> osgEarth::MapInfo::_profile [private]

Definition at line 439 of file Map.

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

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