// This script demonstrates how to add radio
// button groups to GenericDialogs.

  gd = new GenericDialog("Radio Buttons");
  items = ["New York", "London", "Paris", "Tokyo"];
  gd.addRadioButtonGroup("Cities", items, 2, 2, "Paris");
  items = ["One", "Two", "Three"];
  gd.addRadioButtonGroup("Numbers", items, 1, 3, "One");
  items = ["Alfa Romeo ", "Ferrari", "Lamborghini", "Maserati", "Lancia"];
  gd.addRadioButtonGroup("Italian Cars", items, 5, 1, "Ferrari");
  gd.showDialog();
  if (!gd.wasCanceled()) {
     IJ.log("Cities: "+gd.getNextRadioButton());
     IJ.log("Numbers: "+gd.getNextRadioButton());
     IJ.log("Cars: "+gd.getNextRadioButton());
  }