_in->add_metadata (node->add_child ("In"));
node->add_child("InterWidth")->add_child_text (raw_convert<string> (_inter_size.width));
node->add_child("InterHeight")->add_child_text (raw_convert<string> (_inter_size.height));
_in->add_metadata (node->add_child ("In"));
node->add_child("InterWidth")->add_child_text (raw_convert<string> (_inter_size.width));
node->add_child("InterHeight")->add_child_text (raw_convert<string> (_inter_size.height));