public int getDiameter()
    {
        switch(getPlacementRank())
        {
            case DEFINITIVE:
                    return DEFINITIVE_SIZE;
            case EXPECTANT:
                    return EXPECTANT_SIZE;
            case LATENT:
                    return LATENT_SIZE;
            case UNDEFINED:
                    return UNDEFINED_SIZE;
            default:
                return -1; //error case
        }
    }