osgEarth::Util::ImageOverlayEditor Class Reference

List of all members.

Public Types
typedef std::map < ImageOverlay::ControlPoint, osg::ref_ptr < osgManipulator::Dragger > >	ControlPointDraggerMap
Public Member Functions
	ImageOverlayEditor (ImageOverlay *overlay, const osg::EllipsoidModel *ellipsoid, osg::Node *terrain)
ControlPointDraggerMap &	getDraggers ()
const osg::EllipsoidModel *	getEllipsoid () const
void	setEllipsoid (const osg::EllipsoidModel *ellipsoid)
osg::Node *	getTerrain () const
void	setTerrain (osg::Node *terrain)
ImageOverlay *	getOverlay ()
void	updateDraggers ()
Protected Member Functions
	~ImageOverlayEditor ()
void	addDragger (ImageOverlay::ControlPoint controlPoint)
Protected Attributes
osg::ref_ptr< ImageOverlay >	_overlay
osg::ref_ptr< const osg::EllipsoidModel >	_ellipsoid
osg::ref_ptr< osg::Node >	_terrain
osg::ref_ptr < osgEarth::Util::ImageOverlay::ImageOverlayCallback >	_overlayCallback
ControlPointDraggerMap	_draggers

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Detailed Description

Definition at line 13 of file ImageOverlayEditor.

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Member Typedef Documentation

typedef std::map< ImageOverlay::ControlPoint, osg::ref_ptr< osgManipulator::Dragger > > osgEarth::Util::ImageOverlayEditor::ControlPointDraggerMap

Definition at line 16 of file ImageOverlayEditor.

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Constructor & Destructor Documentation

ImageOverlayEditor::ImageOverlayEditor	(	ImageOverlay *	overlay,
		const osg::EllipsoidModel *	ellipsoid,
		osg::Node *	terrain
	)

Definition at line 125 of file ImageOverlayEditor.cpp.

                                                                                                                 :
_overlay(overlay),
_ellipsoid(ellipsoid),
_terrain(terrain)
{   
    _overlayCallback = new OverlayCallback(this);
    _overlay->addCallback( _overlayCallback.get() );
    addDragger( ImageOverlay::CONTROLPOINT_CENTER );
    addDragger( ImageOverlay::CONTROLPOINT_LOWER_LEFT );
    addDragger( ImageOverlay::CONTROLPOINT_LOWER_RIGHT );
    addDragger( ImageOverlay::CONTROLPOINT_UPPER_LEFT );
    addDragger( ImageOverlay::CONTROLPOINT_UPPER_RIGHT );
}

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ImageOverlayEditor::~ImageOverlayEditor

(

)

[protected]

Definition at line 139 of file ImageOverlayEditor.cpp.

{
    _overlay->removeCallback( _overlayCallback.get() );
}

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Member Function Documentation

void ImageOverlayEditor::addDragger

(

ImageOverlay::ControlPoint

controlPoint

)

[protected]

Definition at line 145 of file ImageOverlayEditor.cpp.

{    
    osg::Vec2d location = _overlay->getControlPoint( controlPoint );
    osg::Matrixd matrix;
    _ellipsoid->computeLocalToWorldTransformFromLatLongHeight(osg::DegreesToRadians(location.y()), osg::DegreesToRadians(location.x()), 0, matrix);    

    IntersectingDragger* dragger = new IntersectingDragger;
    dragger->setNode( _terrain.get() );
    dragger->setupDefaultGeometry();
    dragger->setMatrix(matrix);
    dragger->setHandleEvents( true );
    dragger->addDraggerCallback(new ImageOverlayDraggerCallback(_overlay.get(), _ellipsoid.get(), controlPoint));

    addChild(dragger);
    _draggers[ controlPoint ] = dragger;
}

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ControlPointDraggerMap& osgEarth::Util::ImageOverlayEditor::getDraggers

(

)

[inline]

Definition at line 20 of file ImageOverlayEditor.

{ return _draggers; }

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const osg::EllipsoidModel* osgEarth::Util::ImageOverlayEditor::getEllipsoid

(

)

const [inline]

Definition at line 22 of file ImageOverlayEditor.

{ return _ellipsoid.get();}

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ImageOverlay* osgEarth::Util::ImageOverlayEditor::getOverlay

(

)

[inline]

Definition at line 28 of file ImageOverlayEditor.

{ return _overlay.get();}

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osg::Node* osgEarth::Util::ImageOverlayEditor::getTerrain

(

)

const [inline]

Definition at line 25 of file ImageOverlayEditor.

{ return _terrain.get(); }

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void osgEarth::Util::ImageOverlayEditor::setEllipsoid

(

const osg::EllipsoidModel *

ellipsoid

)

[inline]

Definition at line 23 of file ImageOverlayEditor.

{ _ellipsoid = ellipsoid; };

void osgEarth::Util::ImageOverlayEditor::setTerrain

(

osg::Node *

terrain

)

[inline]

Definition at line 26 of file ImageOverlayEditor.

{ _terrain = terrain;}

void ImageOverlayEditor::updateDraggers

(

)

Definition at line 163 of file ImageOverlayEditor.cpp.

{
    for (ImageOverlayEditor::ControlPointDraggerMap::iterator itr = getDraggers().begin(); itr != getDraggers().end(); ++itr)
    {
        //Get the location of the control point
        osg::Vec2d location = getOverlay()->getControlPoint( itr->first );

        osg::Matrixd matrix;

        //Compute the geocentric location
        osg::ref_ptr< const osg::EllipsoidModel > ellipsoid = getEllipsoid();
        osg::Vec3d geo_loc;
        ellipsoid->convertLatLongHeightToXYZ(osg::DegreesToRadians(location.y()), osg::DegreesToRadians(location.x()), 0, geo_loc.x(), geo_loc.y(), geo_loc.z());

        osg::Vec3d up = geo_loc;
        up.normalize();

        double segOffset = 50000;

        osg::Vec3d start = geo_loc + (up * segOffset);
        osg::Vec3d end = geo_loc - (up * segOffset);

        osgUtil::LineSegmentIntersector* i = new osgUtil::LineSegmentIntersector( start, end );

        osgUtil::IntersectionVisitor iv;
        iv.setIntersector( i );
        getTerrain()->accept( iv );

        osgUtil::LineSegmentIntersector::Intersections& results = i->getIntersections();
        if ( !results.empty() )
        {
            const osgUtil::LineSegmentIntersector::Intersection& result = *results.begin();
            geo_loc = result.getWorldIntersectPoint();
        }


        getEllipsoid()->computeLocalToWorldTransformFromXYZ(geo_loc.x(), geo_loc.y(), geo_loc.z(), matrix);


        itr->second.get()->setMatrix( matrix );                               

    }
}

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Member Data Documentation

ControlPointDraggerMap osgEarth::Util::ImageOverlayEditor::_draggers [protected]

Definition at line 41 of file ImageOverlayEditor.

osg::ref_ptr< const osg::EllipsoidModel > osgEarth::Util::ImageOverlayEditor::_ellipsoid [protected]

Definition at line 38 of file ImageOverlayEditor.

osg::ref_ptr< ImageOverlay > osgEarth::Util::ImageOverlayEditor::_overlay [protected]

Definition at line 37 of file ImageOverlayEditor.

osg::ref_ptr< osgEarth::Util::ImageOverlay::ImageOverlayCallback > osgEarth::Util::ImageOverlayEditor::_overlayCallback [protected]

Definition at line 40 of file ImageOverlayEditor.

osg::ref_ptr< osg::Node > osgEarth::Util::ImageOverlayEditor::_terrain [protected]

Definition at line 39 of file ImageOverlayEditor.

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

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