struct hit_t {
    int n;
    int detId[256];
    int ch[256];
    float e[256];
};

struct cluster_t {
    int n;
    float e[16];
    float x[16];
    float y[16];
};

struct point_t {
    int n;
    float e[16];
    float x[16];
    float y[16];
};

void test(const char*fname = "pi0.FmsEmJet.root")
{
    TFile *fin = new TFile(fname, "read");
    TTree *tin = (TTree*) fin->Get("FmsEmJet");
    struct hit_t hit;
    struct cluster_t clu;
    struct point_t point;
    tin->SetBranchAddress("hit", &hit);
    tin->SetBranchAddress("clu", &clu);
    tin->SetBranchAddress("point", &point);

    // const int nEntries = tin->GetEntries();
    const int nEntries = 1;
    for (int ei=0; ei<nEntries; ei++)
    {
	tin->GetEntry(ei);
	cout << "hit\t" << hit.n << "\t";
	for (int hi=0; hi<hit.n; hi++)
	    cout << hit.e[hi] << "\t";
	cout << endl;

	cout << "clu\t" << clu.n << "\t";
	for (int ci=0; ci<clu.n; ci++)
	    cout << clu.e[ci] << "\t" << clu.x[ci] << "\t" << clu.y[ci];
	cout << endl;

	cout << "point\t" << point.n << "\t";
	for (int pi=0; pi<point.n; pi++)
	    cout << point.e[pi] << "\t" << point.x[pi] << "\t" << point.y[pi];
	cout << endl;
    }

    fin->Close();
}