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typedef osg::ref_ptr<osg::Vec2Array>::iterator VecItor;
Point2D controlPoints[1000] = {0};
int i(0);
for(VecItor it = points_control_points->begin();it != points_control_points->end();++it)
{
controlPoints[i].x = it->x;
controlPoints[i].y = it->y;
++i;
}