def coordinates_to_id_fita(coord_x, coord_y):
    """ Transform point coordinates to it ID, performing a concatenation """
    x = str(round(coord_x, 1))
    y = str(round(coord_y, 1))
    x = x.replace(',', '.')
    y = y.replace(',', '.')
    id_fita = f'{x}_{y}'

    return id_fita