public ArrayList<Float> getStringAsFloatList(String name)
  {
    List<String> value_list = strings_map.get(name);
    ArrayList<Float> result = new ArrayList<Float>();
    if(value_list == null)
    {
      return result;
    }
    
    for(String val:value_list)
    {
      try
      {
        result.add(Float.valueOf(val));
      } catch(NumberFormatException e)
      {
      }
    }
    return result;
  }