Ejemplo n.º 1
0
void
EllipseNode::rebuild()
{
    osgEarth::clearChildren( getPositionAttitudeTransform() );

    // construct a local-origin ellipse.
    GeometryFactory factory;
    Geometry* geom = NULL;

    if (std::abs(_arcEnd.as(Units::DEGREES) - _arcStart.as(Units::DEGREES)) >= 360.0)
    {
        geom = factory.createEllipse(osg::Vec3d(0,0,0), _radiusMajor, _radiusMinor, _rotationAngle, _numSegments);
    }
    else
    {
        geom = factory.createEllipticalArc(osg::Vec3d(0,0,0), _radiusMajor, _radiusMinor, _rotationAngle, _arcStart, _arcEnd, _numSegments, 0L, _pie);
    }
    if ( geom )
    {
        GeometryCompiler compiler;
        osg::ref_ptr<Feature> feature = new Feature(geom, 0L); //todo: consider the SRS
        osg::ref_ptr<osg::Node> node = compiler.compile( feature.get(), _style, FilterContext(0L) );
        if ( node )
        {
            node = AnnotationUtils::installOverlayParent(node.get(), _style);
            getPositionAttitudeTransform()->addChild( node.get() );
        }

        applyRenderSymbology( _style );
        setLightingIfNotSet( false );

    }
}
Ejemplo n.º 2
0
void
EllipseNode::rebuildGeometry()
{
    // construct a local-origin ellipse.
    GeometryFactory factory;

    osg::ref_ptr<Geometry> geom;

    if (std::abs(_arcEnd.as(Units::DEGREES) - _arcStart.as(Units::DEGREES)) >= 360.0)
    {
        geom = factory.createEllipse(osg::Vec3d(0,0,0), _radiusMajor, _radiusMinor, _rotationAngle, _numSegments);
    }
    else
    {
        geom = factory.createEllipticalArc(osg::Vec3d(0,0,0), _radiusMajor, _radiusMinor, _rotationAngle, _arcStart, _arcEnd, _numSegments, 0L, _pie);
    }
    if ( geom.valid() )
    {
        setGeometry( geom.get() );
    }
}
Ejemplo n.º 3
0
void
EllipseNode::rebuild()
{
    std::string currentDecoration = getDecoration();
    clearDecoration();

    //Remove all children from this node
    osgEarth::clearChildren( this );
    osgEarth::clearChildren( _xform.get() );
    this->addChild( _xform.get() );

    // construct a local-origin ellipse.
    GeometryFactory factory;
    Geometry* geom = NULL;

    if (std::abs(_arcEnd.as(Units::DEGREES) - _arcStart.as(Units::DEGREES)) >= 360.0)
    {
        geom = factory.createEllipse(osg::Vec3d(0,0,0), _radiusMajor, _radiusMinor, _rotationAngle, _numSegments);
    }
    else
    {
        geom = factory.createEllipticalArc(osg::Vec3d(0,0,0), _radiusMajor, _radiusMinor, _rotationAngle, _arcStart, _arcEnd, _numSegments, 0L, _pie);
    }
    if ( geom )
    {
        GeometryCompiler compiler;
        osg::ref_ptr<Feature> feature = new Feature(geom, 0L); //todo: consider the SRS
        osg::Node* node = compiler.compile( feature.get(), _style, FilterContext(0L) );
        if ( node )
        {
            _xform->addChild( node );
            this->replaceChild( _xform.get(), applyAltitudePolicy(_xform.get(), _style) );
        }

        applyRenderSymbology( _style );
        setLightingIfNotSet( false );
    }

    setDecoration( currentDecoration );
}