#include <simgear/scene/model/placement.hxx>
#include <simgear/scene/model/modellib.hxx>
#include <simgear/structure/exception.hxx>
#include <simgear/scene/model/placement.hxx>
#include <simgear/scene/model/modellib.hxx>
#include <simgear/structure/exception.hxx>
{
SGModelPlacement* model = instance->model;
double lon, lat, elev, roll, pitch, heading;
{
SGModelPlacement* model = instance->model;
double lon, lat, elev, roll, pitch, heading;