1.ArcGis几何图形之几何计算

  1         /// <summary>
  2         /// 检测几何图形A是否包含几何图形B
  3         /// </summary>
  4         /// <param name="pGeometryA">几何图形A</param>
  5         /// <param name="pGeometryB">几何图形B</param>
  6         /// <returns>True为包含，False为不包含</returns>
  7         public static bool CheckGeometryContain(IGeometry pGeometryA, IGeometry pGeometryB)
  8         {
  9             IRelationalOperator pRelOperator = pGeometryA as IRelationalOperator;
 10             if (pRelOperator.Contains(pGeometryB))
 11             {
 12                 return true;
 13             }
 14             else
 15             {
 16                 return false;
 17             }
 18         }
 19 
 20         /// <summary>
 21         /// 用于检测几何图形A,几何图形B几何图形是否相交
 22         /// </summary>
 23         /// <param name="pGeometryA">几何图形A</param>
 24         /// <param name="pGeometryB">几何图形B</param>
 25         /// <returns>True为相交，False为不相交</returns>
 26         public static bool CheckGeometryCrosses(IGeometry pGeometryA, IGeometry pGeometryB)
 27         {
 28             IRelationalOperator pRelOperator = pGeometryA as IRelationalOperator;
 29             if (pRelOperator.Crosses(pGeometryB))
 30             {
 31                 return true;
 32             }
 33             else
 34             {
 35                 return false;
 36             }
 37         }
 38         /// <summary>
 39         /// 用于检测几何图形A,几何图形B几何图形是否相连
 40         /// </summary>
 41         /// <param name="pGeometryA">几何图形A</param>
 42         /// <param name="pGeometryB">几何图形B</param>
 43         /// <returns>True为相连，False为不相连</returns>
 44         public static bool CheckGeometryTouches(IGeometry pGeometryA, IGeometry pGeometryB)
 45         {
 46             IRelationalOperator pRelOperator = pGeometryA as IRelationalOperator;
 47             if (pRelOperator.Touches(pGeometryB))
 48             {
 49                 return true;
 50             }
 51             else
 52             {
 53                 return false;
 54             }
 55         }   
 56         /// <summary>
 57         /// 用于检测几何图形A,几何图形B几何图形是否不相交
 58         /// </summary>
 59         /// <param name="pGeometryA">几何图形A</param>
 60         /// <param name="pGeometryB">几何图形B</param>
 61         /// <returns>True为不相交，False为相交</returns>
 62         public static bool CheckGeometryDisjoint(IGeometry pGeometryA, IGeometry pGeometryB)
 63         {
 64             IRelationalOperator pRelOperator = pGeometryA as IRelationalOperator;
 65             if (pRelOperator.Disjoint(pGeometryB))
 66             {
 67                 return true;
 68             }
 69             else
 70             {
 71                 return false;
 72             }
 73         }  
 74         /// <summary>
 75         /// 用于检测几何图形A,几何图形B几何图形是否有重叠
 76         /// </summary>
 77         /// <param name="pGeometryA">几何图形A</param>
 78         /// <param name="pGeometryB">几何图形B</param>
 79         /// <returns>True为有重叠，False为无重叠</returns>
 80         public static bool CheckGeometryOverlaps(IGeometry pGeometryA, IGeometry pGeometryB)
 81         {
 82             IRelationalOperator pRelOperator = pGeometryA as IRelationalOperator;
 83             if (pRelOperator.Overlaps(pGeometryB))
 84             {
 85                 return true;
 86             }
 87             else
 88             {
 89                 return false;
 90             }
 91         }
 92         /// <summary>
 93         /// 用于检测几何图形A是否被包含于几何图形B几何图形
 94         /// </summary>
 95         /// <param name="pGeometryA">几何图形A</param>
 96         /// <param name="pGeometryB">几何图形B</param>
 97         /// <returns>True为包含，False为不包含</returns>
 98         public static bool CheckGeometryWithin(IGeometry pGeometryA, IGeometry pGeometryB)
 99         {
100             IRelationalOperator pRelOperator = pGeometryA as IRelationalOperator;
101             if (pRelOperator.Within(pGeometryB))
102             {
103                 return true;
104             }
105             else
106             {
107                 return false;
108             }
109         }