def get_orthant_coverage(model_layer_dict):
    covered_orthants = len([v for v in model_layer_dict.values() if v])
    total_orthants = len(model_layer_dict)
    return (covered_orthants, total_orthants, (covered_orthants / float(total_orthants)))
def get_orthant_coverage(model_layer_dict):
    covered_orthants = len([v for v in model_layer_dict.values() if v])
    total_orthants = len(model_layer_dict)
    return (covered_orthants, total_orthants, (covered_orthants / float(total_orthants)))