{
struct gps_struct
{
	float time;
	float date;
	float lat;
	float lon;
	float hdp;
	float alt;
	float geoid_height;
	float update_time;
	float speed;
	float mag_variation;
	float course;
	short station_id;
	char lat_hemisphere;
	char lon_hemisphere;
	char fix_quality;
	char alt_unit;
	char geoid_height_unit;
	char gpgga_checksum;
	char mode;
	char mode_dim;
	char rec_warning;
	char mag_variation_hemisphere;
	char gprmc_checksum;
	char sat_mode;
	unsigned char sat_num;
};

TFile *f = new TFile("test_tree.root", "read");
TTree *t = (TTree*)f->Get("tevent");

t->Print();

gps_struct *gps2;
gps_struct *gps1 = new gps_struct;


//TBranch *b = tevent->GetBranch("clkb_event_gps");
//b.SetAddress(gps1);

t->SetBranchAddress("clkb_event_gps", gps1);

t.GetEntry(1);

cout << gps1->time << endl;


}