/// <summary>
        /// 获得齿最小距离
        /// </summary>
        /// <returns></returns>
        public double AskMinDim()
        {
            double min = 9999;

            double[] pt1 = new double[3];
            double[] pt2 = new double[3];
            for (int i = 0; i < this.HeadBodys.Count - 1; i++)
            {
                for (int j = i + 1; j < this.HeadBodys.Count; j++)
                {
                    double temp = AnalysisUtils.AskMinimumDist(this.HeadBodys[i].Tag, this.HeadBodys[j].Tag, out pt1, out pt2);
                    temp = Math.Round(temp, 3);
                    if (min >= temp)
                    {
                        min = temp;
                    }
                }
            }
            return(min);
        }