void getPads(int npad, int nxpad, int nypad, TPad** padPtrs) {
  double xlow, xhigh, ylow, yhigh;
  double plotFrac = 0.95;
  int row = 1;
  int col = 0;
  for (int i = 0; i < npad; i++) {
    col++;
    if (col > nxpad) {row++; col = 1;}
    xlow = (double)(col - 1)/nxpad;
    xhigh = (double)col/nxpad;
    ylow = (double)(nypad - row)/nypad;
    ylow *= plotFrac;
    yhigh = (double)(nypad - row + 1)/nypad;
    yhigh *= plotFrac;
    padPtrs[i] = new TPad("padName", "padTitle", xlow, ylow, xhigh, yhigh);
    padPtrs[i]->Draw();
  }
  padPtrs[npad] = new TPad("titlePad", "titlePadTitle", 0.0, plotFrac, 1.0, 1.0);
  padPtrs[npad]->Draw();
}