osgEarth::Util::ObjectLocatorNode Class Reference

Collaboration diagram for osgEarth::Util::ObjectLocatorNode:

List of all members.

Public Member Functions
	ObjectLocatorNode ()
	ObjectLocatorNode (ObjectLocator *locator)
	ObjectLocatorNode (const Map *map)
	ObjectLocatorNode (const ObjectLocatorNode &rhs, const osg::CopyOp &=osg::CopyOp::SHALLOW_COPY)
	META_Node (osgEarthUtil, ObjectLocatorNode)
void	setLocator (ObjectLocator *locator)
ObjectLocator *	getLocator ()
const ObjectLocator *	getLocator () const
virtual void	update ()
virtual void	traverse (osg::NodeVisitor &nv)
Private Attributes
osg::ref_ptr< ObjectLocator >	_locator
osgEarth::Revision	_matrixRevision

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Detailed Description

A transform node that tracks the position/orientation information in an ObjectLocator.

Definition at line 152 of file ObjectLocator.

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Constructor & Destructor Documentation

ObjectLocatorNode::ObjectLocatorNode

(

)

Definition at line 229 of file ObjectLocator.cpp.

{
    setNumChildrenRequiringUpdateTraversal( 1 );
}

ObjectLocatorNode::ObjectLocatorNode

(

ObjectLocator *

locator

)

Definition at line 243 of file ObjectLocator.cpp.

                                                             :
_matrixRevision( -1 )
{
    setNumChildrenRequiringUpdateTraversal( 1 );
    setLocator( locator );
}

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ObjectLocatorNode::ObjectLocatorNode

(

const Map *

map

)

Definition at line 250 of file ObjectLocator.cpp.

                                                     :
_matrixRevision( -1 )
{
    setNumChildrenRequiringUpdateTraversal( 1 );
    setLocator( new ObjectLocator(map) );
}

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ObjectLocatorNode::ObjectLocatorNode	(	const ObjectLocatorNode &	rhs,
		const osg::CopyOp &	op = osg::CopyOp::SHALLOW_COPY
	)

Definition at line 234 of file ObjectLocator.cpp.

                                                                                        :
osg::MatrixTransform( rhs, op ),
_matrixRevision( rhs._matrixRevision ),
_locator( rhs._locator.get() )
{
    setNumChildrenRequiringUpdateTraversal( 1 );
    setLocator( _locator.get() ); // to update the trav count
}

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Member Function Documentation

ObjectLocator* osgEarth::Util::ObjectLocatorNode::getLocator

(

)

[inline]

Definition at line 166 of file ObjectLocator.

{ return _locator.get(); }

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const ObjectLocator* osgEarth::Util::ObjectLocatorNode::getLocator

(

)

const [inline]

Definition at line 167 of file ObjectLocator.

{ return _locator.get(); }

osgEarth::Util::ObjectLocatorNode::META_Node	(	osgEarthUtil	,
		ObjectLocatorNode
	)

void ObjectLocatorNode::setLocator

(

ObjectLocator *

locator

)

The locator creates the positioning matrix for the component.

Definition at line 258 of file ObjectLocator.cpp.

{
    _locator = locator;
    _matrixRevision = -1;    
}

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void ObjectLocatorNode::traverse

(

osg::NodeVisitor &

nv

)

[virtual]

Definition at line 266 of file ObjectLocator.cpp.

{
    if (nv.getVisitorType() == osg::NodeVisitor::UPDATE_VISITOR)
    {
        update();
    }
    osg::MatrixTransform::traverse( nv );
}

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void ObjectLocatorNode::update

(

)

[virtual]

Synchronizes the transform matrix with the locator.

Definition at line 276 of file ObjectLocator.cpp.

{
    if ( _locator.valid() && _locator->outOfSyncWith( _matrixRevision ) )
    {
        osg::Matrix mat;
        if ( _locator->getLocatorMatrix( mat ) )
        {
            this->setMatrix( mat );
            this->dirtyBound();
            _locator->sync( _matrixRevision );
        }
    }
}

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Member Data Documentation

osg::ref_ptr<ObjectLocator> osgEarth::Util::ObjectLocatorNode::_locator [private]

Definition at line 176 of file ObjectLocator.

osgEarth::Revision osgEarth::Util::ObjectLocatorNode::_matrixRevision [private]

Definition at line 177 of file ObjectLocator.

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

• /home/cube/sources/osgearth/src/osgEarthUtil/ObjectLocator
• /home/cube/sources/osgearth/src/osgEarthUtil/ObjectLocator.cpp