// Import the data
electrondensity = Import("watermolecule");
   // Create two isosurfaces
iso1 = Isosurface(electrondensity,0.1);
iso2 = Isosurface(electrondensity,0.3);
   // Collect the isosurfaces into a group
both = Collect(iso1,iso2);


   // Print the group. It will give only summary information
Print(both);
  // Recurse through the object
Print(both,"r");
   // Recurse, and print out the first and last 25 items in the "positions"
   // component
Print(both,"d", "positions");
   // Recurse, and print out all the items in the "data" and "box"
   // components
Print(both,"D", {"data", "box"});