#include "main_window.h"
#include "g2o/core/solver_property.h"
#include "g2o/core/solver_factory.h"
#include "g2o/core/graph_optimizer_sparse.h"
#include "g2o/core/estimate_propagator.h"
#include <QFileDialog>
#include <QStandardItemModel>
#include <QDoubleValidator>
#include <fstream>
#include <iostream>