Vector3f Scene::center()
{
GeometryVisitor visitor;
m_rootNode.accept(visitor);
// For an empty scene ensure that a minimum radius of 4.0 (gives space).
m_center = visitor.center();
m_radius = std::max(4.0f, visitor.radius()) + 2.0f;
return m_center;
}
void Solid::accept( GeometryVisitor & visitor )
{
return visitor.visit(*this);
}
void MultiPoint::accept( GeometryVisitor& visitor )
{
return visitor.visit( *this );
}
void LineString::accept( GeometryVisitor& visitor )
{
return visitor.visit( *this );
}
void PolyhedralSurface::accept( GeometryVisitor& visitor )
{
return visitor.visit( *this );
}
void Polygon::accept( GeometryVisitor& visitor )
{
return visitor.visit( *this );
}