osgEarth::Util::Annotation::PlacemarkNode Class Reference

Collaboration diagram for osgEarth::Util::Annotation::PlacemarkNode:

List of all members.

Public Member Functions
	PlacemarkNode (MapNode *mapNode, const osg::Vec3d &position, osg::Image *iconImage, const std::string &labelText, const Style &style=Style())
void	setPosition (const osg::Vec3d &mapPosition)
void	setIconImage (osg::Image *image)
osg::Image *	getIconImage () const
void	setText (const std::string &text)
const std::string &	getText () const
void	setStyle (const Style &style)
const Style &	getStyle () const
Private Member Functions
void	init ()
Private Attributes
osg::ref_ptr< osg::Image >	_image
std::string	_text
Style	_style
osg::ref_ptr< Container >	_container
osg::ref_ptr< ImageControl >	_icon
osg::ref_ptr< LabelControl >	_label
osg::observer_ptr< MapNode >	_mapNode

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Detailed Description

A Placemark combines an 2D icon, a label, support for mouse interaction and a popup control.

Definition at line 94 of file Annotation.

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Constructor & Destructor Documentation

PlacemarkNode::PlacemarkNode	(	MapNode *	mapNode,
		const osg::Vec3d &	position,
		osg::Image *	iconImage,
		const std::string &	labelText,
		const Style &	style = Style()
	)

Constructs a new node (convenience function)

Definition at line 35 of file Annotation.cpp.

                                                        :
_mapNode( mapNode ),
_image  ( image ),
_text   ( text ),
_style  ( style )
{
    init();
    setPosition( mapPosition );
}

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Member Function Documentation

osg::Image* osgEarth::Util::Annotation::PlacemarkNode::getIconImage

(

)

const [inline]

Definition at line 117 of file Annotation.

{ return _image.get(); }

const Style& osgEarth::Util::Annotation::PlacemarkNode::getStyle

(

)

const [inline]

Definition at line 129 of file Annotation.

{ return _style; }

const std::string& osgEarth::Util::Annotation::PlacemarkNode::getText

(

)

const [inline]

Definition at line 123 of file Annotation.

{ return _text; }

void PlacemarkNode::init

(

)

[private]

Definition at line 64 of file Annotation.cpp.

{
    // remove any old stuff to make way for the new stuff.
    this->removeChildren(0, this->getNumChildren());

    this->setCullCallback( new CullNodeByHorizon(
        osg::Vec3d(0,0,1),
        _mapNode->getMap()->getProfile()->getSRS()->getEllipsoid()) );

    _label = new LabelControl(_text);

    TextSymbol* s = _style.get<TextSymbol>();
    if ( s )
    {
        if ( s->font().isSet() )
            _label->setFont( osgText::readFontFile( *s->font() ) );
        if ( s->size().isSet() )
            _label->setFontSize( *s->size() );
        if ( s->fill().isSet() )
            _label->setForeColor( s->fill()->color() );
        if ( s->halo().isSet() )
            _label->setHaloColor( s->halo()->color() );
        if ( s->content().isSet() && _text.empty() )
            _label->setText( s->content()->eval() );
    }

    if ( !_image.valid() )
    {
        MarkerSymbol* marker = _style.get<MarkerSymbol>();
        if ( marker )
        {
            _image = marker->getImage();
            if ( !_image.valid() && marker->url().isSet() )
            {
                _image = URI(marker->url()->expr()).readImage();
            }
        }
    }
    _icon = new ImageControl( _image.get() );

    _container = new HBox();
    _container->setChildSpacing( 8 );
    
    _container->addControl( _icon.get() );
    _container->addControl( _label.get() );

    _container->setHorizAlign( Control::ALIGN_RIGHT );
    _container->setVertAlign( Control::ALIGN_CENTER );

    //todo: set up the "ANCHOR POINT" for the sweet spot

    // wrap the other controls in a scene node.
    ControlNode* node = new ControlNode( _container.get() );
    this->addChild( node );
}

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void PlacemarkNode::setIconImage

(

osg::Image *

image

)

Image to use for the icon

Definition at line 121 of file Annotation.cpp.

{
    if ( image )
    {
        _image = image;
        if ( _icon.valid() )
            _icon->setImage( image );
    }
}

void PlacemarkNode::setPosition

(

const osg::Vec3d &

mapPosition

)

Sets the position of this annotation.

Parameters:

pos	Position data

Definition at line 50 of file Annotation.cpp.

{
    if ( _mapNode.valid() )
    {
        osg::Vec3d world;
        if ( _mapNode->getMap()->mapPointToWorldPoint(pos, world) )
        {
            this->setMatrix( osg::Matrix::translate(world) );
            static_cast<CullNodeByHorizon*>(this->getCullCallback())->_world = world;
        }
    }
}

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void PlacemarkNode::setStyle

(

const Style &

style

)

Style (for text)

Definition at line 143 of file Annotation.cpp.

{
    _style = style;
    init();
}

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void PlacemarkNode::setText

(

const std::string &

text

)

Text label content

Definition at line 132 of file Annotation.cpp.

{
    if ( text != _text )
    {
        _text = text;
        if ( _label.valid() )
            _label->setText( text );
    }
}

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Member Data Documentation

osg::ref_ptr<Container> osgEarth::Util::Annotation::PlacemarkNode::_container [private]

Definition at line 136 of file Annotation.

osg::ref_ptr<ImageControl> osgEarth::Util::Annotation::PlacemarkNode::_icon [private]

Definition at line 137 of file Annotation.

osg::ref_ptr<osg::Image> osgEarth::Util::Annotation::PlacemarkNode::_image [private]

Definition at line 132 of file Annotation.

osg::ref_ptr<LabelControl> osgEarth::Util::Annotation::PlacemarkNode::_label [private]

Definition at line 138 of file Annotation.

osg::observer_ptr<MapNode> osgEarth::Util::Annotation::PlacemarkNode::_mapNode [private]

Definition at line 140 of file Annotation.

Style osgEarth::Util::Annotation::PlacemarkNode::_style [private]

Definition at line 134 of file Annotation.

std::string osgEarth::Util::Annotation::PlacemarkNode::_text [private]

Definition at line 133 of file Annotation.

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

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