1.ArcGis几何图形之几何计算

         /// <summary>
         /// 检测几何图形A是否包含几何图形B
         /// </summary>
         /// <param name="pGeometryA">几何图形A</param>
         /// <param name="pGeometryB">几何图形B</param>
         /// <returns>True为包含，False为不包含</returns>
         public static bool CheckGeometryContain(IGeometry pGeometryA, IGeometry pGeometryB)
         {
             IRelationalOperator pRelOperator = pGeometryA as IRelationalOperator;
             if (pRelOperator.Contains(pGeometryB))
             {
                 return true;
             }
             else
             {
                 return false;
             }
         }

         /// <summary>
         /// 用于检测几何图形A,几何图形B几何图形是否相交
         /// </summary>
         /// <param name="pGeometryA">几何图形A</param>
         /// <param name="pGeometryB">几何图形B</param>
         /// <returns>True为相交，False为不相交</returns>
         public static bool CheckGeometryCrosses(IGeometry pGeometryA, IGeometry pGeometryB)
         {
             IRelationalOperator pRelOperator = pGeometryA as IRelationalOperator;
             if (pRelOperator.Crosses(pGeometryB))
             {
                 return true;
             }
             else
             {
                 return false;
             }
         }
         /// <summary>
         /// 用于检测几何图形A,几何图形B几何图形是否相连
         /// </summary>
         /// <param name="pGeometryA">几何图形A</param>
         /// <param name="pGeometryB">几何图形B</param>
         /// <returns>True为相连，False为不相连</returns>
         public static bool CheckGeometryTouches(IGeometry pGeometryA, IGeometry pGeometryB)
         {
             IRelationalOperator pRelOperator = pGeometryA as IRelationalOperator;
             if (pRelOperator.Touches(pGeometryB))
             {
                 return true;
             }
             else
             {
                 return false;
             }
         }
         /// <summary>
         /// 用于检测几何图形A,几何图形B几何图形是否不相交
         /// </summary>
         /// <param name="pGeometryA">几何图形A</param>
         /// <param name="pGeometryB">几何图形B</param>
         /// <returns>True为不相交，False为相交</returns>
         public static bool CheckGeometryDisjoint(IGeometry pGeometryA, IGeometry pGeometryB)
         {
             IRelationalOperator pRelOperator = pGeometryA as IRelationalOperator;
             if (pRelOperator.Disjoint(pGeometryB))
             {
                 return true;
             }
             else
             {
                 return false;
             }
         }
         /// <summary>
         /// 用于检测几何图形A,几何图形B几何图形是否有重叠
         /// </summary>
         /// <param name="pGeometryA">几何图形A</param>
         /// <param name="pGeometryB">几何图形B</param>
         /// <returns>True为有重叠，False为无重叠</returns>
         public static bool CheckGeometryOverlaps(IGeometry pGeometryA, IGeometry pGeometryB)
         {
             IRelationalOperator pRelOperator = pGeometryA as IRelationalOperator;
             if (pRelOperator.Overlaps(pGeometryB))
             {
                 return true;
             }
             else
             {
                 return false;
             }
         }
         /// <summary>
         /// 用于检测几何图形A是否被包含于几何图形B几何图形
         /// </summary>
         /// <param name="pGeometryA">几何图形A</param>
         /// <param name="pGeometryB">几何图形B</param>
         /// <returns>True为包含，False为不包含</returns>
         public static bool CheckGeometryWithin(IGeometry pGeometryA, IGeometry pGeometryB)
         {
             IRelationalOperator pRelOperator = pGeometryA as IRelationalOperator;
             if (pRelOperator.Within(pGeometryB))
             {
                 return true;
             }
             else
             {
                 return false;
             }
         }