1.         /// <summary>
    2.         /// 承压环、底环板均分函数
    3.         /// </summary>
    4.         /// <param name="maxr">外圆半径</param>
    5.         /// <param name="platewid">排版板宽</param>
    6.         /// <param name="totalang">均分总角度</param>
    7.         /// <param name="divnum">最优均分数量</param>
    8.         /// <param name="divnum2">均分数量</param>
    9.         private static void PlateDiv(double maxr, int platewid, double totalang, out int divnum, out int divnum2)
    10.         {
    11.             double widang = 2 * Math.Atan2(platewid / 2.0, Math.Sqrt(Math.Pow(maxr, 2) - Math.Pow(platewid / 2.0, 2)));
    12.             divnum = (int)(totalang / widang);
    13.             int divnum1 = divnum;
    14.             double divang = totalang / divnum1;
    15.             //计算拼接数量
    16.             while (maxr * Math.Sin(divang / 2.0) > (platewid / 2.0))
    17.             {
    18.                 divnum1++;
    19.                 divang = totalang / divnum1;
    20.             }
    21.             divnum2 = divnum1;
    22.             divang = totalang / divnum2;
    23.             while (maxr * Math.Sin(divang / 2.0) < (platewid / 2.0))
    24.             {
    25.                 divnum2--;
    26.                 divang = totalang / divnum2;
    27.             }
    28.             //确定拼接数量
    29.             divnum = divnum1 > divnum ? divnum1 : divnum2;
    30.         }
    31.         /// <summary>
    32.         /// 创建圆环均分及文字
    33.         /// </summary>
    34.         /// <param name="maxr">圆环最大直径</param>
    35.         /// <param name="minr">圆环最小直径</param>
    36.         /// <param name="cen">圆环圆心点</param>
    37.         /// <param name="divnum">圆环等分数量</param>
    38.         /// <param name="divang">圆环等分后，每分角度(弧度)</param>
    39.         /// <param name="atpy">焊缝编号，A10X,B20X</param>
    40.         private static void MakeRingDivWeldText(double maxr, double minr, Point3d cen, int divnum, double divang, string atpy)
    41.         {
    42.             for (int i = 0; i < divnum; i++)
    43.             {
    44.                 double lang = (divang / 2.0) + (i * divang);
    45.                 db.AddLineToModelSpace(cen.PolarPtOfDegree(lang, minr), cen.PolarPtOfDegree(lang, maxr));
    46.                 string str = $"{atpy}-{i + 1}";
    47.                 TextHorizontalMode thm;
    48.                 if (Math.Abs(lang - (Math.PI * 0.5)) < (0.5 * divang) || Math.Abs(lang - (Math.PI * 1.5)) < (0.5 * divang) || lang == Math.PI * 0.5 || lang == Math.PI * 1.5)
    49.                     thm = TextHorizontalMode.TextCenter;
    50.                 else if (lang > (Math.PI * 0.5) && lang < (Math.PI * 1.5)) thm = TextHorizontalMode.TextRight;
    51.                 else thm = TextHorizontalMode.TextLeft;
    52.                 Point3d tpt = cen.PolarPtOfDegree(lang, maxr + fonthig);
    54.                 bool angpart = (lang > 0 && lang <= (Math.PI * 0.5)) || (lang > Math.PI && lang <= (Math.PI * 1.5));
    55.                 double tang = (divang / 2.0) + (i * divang), bigang, smlang;
    56.                 if (lang <= Math.PI * 0.5)
    57.                 {
    58.                     smlang = 0;
    59.                     bigang = Math.PI * 0.5;
    60.                 }
    61.                 else if (lang <= Math.PI)
    62.                 {
    63.                     smlang = Math.PI * 0.5;
    64.                     bigang = Math.PI;
    65.                 }
    66.                 else if (lang <= Math.PI * 1.5)
    67.                 {
    68.                     smlang = Math.PI;
    69.                     bigang = Math.PI * 1.5;
    70.                 }
    71.                 else
    72.                 {
    73.                     smlang = Math.PI * 1.5;
    74.                     bigang = Math.PI * 2;
    75.                 }
    76.                 Point3d prpt1 = tpt;
    77.                 int n = angpart ? -1 : 1;
    78.                 Point3d prpt2 = cen.PolarPtOfDegree((divang / 2.0) + ((i + n) * divang), maxr + fonthig);
    79.                 while (Math.Abs(prpt1.Y - prpt2.Y) <= (1.1 * fonthig) && ((divang / 2.0) + ((i + n) * divang)) > smlang && ((divang / 2.0) + ((i + n) * divang)) <= bigang)
    80.                 {
    81.                     if (lang > 0 && lang < Math.PI)
    82.                     {
    83.                         tpt = tpt.PolarPtOfDegree(lang, Math.Abs((prpt2.Y + (1.1 * fonthig) - prpt1.Y) / Math.Sin(tang)));
    84.                     }
    85.                     else
    86.                     {
    87.                         tpt = tpt.PolarPtOfDegree(lang, Math.Abs((prpt2.Y - prpt1.Y - (1.1 * fonthig)) / Math.Sin(tang)));
    88.                     }
    89.                     prpt1 = prpt2;
    90.                     if (angpart) n--;
    91.                     else n++;
    92.                     prpt2 = cen.PolarPtOfDegree((divang / 2.0) + ((i + n) * divang), maxr + fonthig);
    93.                 }
    94.                 if (pted2.Y > tpt.Y) pte0 = pted2 = new Point3d(pted2.X, tpt.Y - (0.5 * fonthig), 0);
    95.                 db.AddTextToModelSpace(tpt, str, fonthig, thm, TextVerticalMode.TextVerticalMid);
    96.             }
    97.         }