1   private   void  GetPouMianTu()
 2          {
 3             SuperMapLib.soGeoLine objGeoLine;  // 保存跟踪层上的线对象
 4             SuperMapLib.soGeoLine objInsectLine;  // 与所画线的相交线
 5             SuperMapLib.soPoints objInsectPoints;  // 所画线的相交点串
 6             SuperMapLib.soPoints tempInsectPoints;
 7             SuperMapLib.soPoints beginPoints;
 8             ArrayList pointTypeArr  =   new  ArrayList();  // 用于保存相交点串的类型
 9              double  beginPointX  =   0 ;  // 所画起点的X坐标
10              double  beginPointY  =   0 ; // 所画起点的Y坐标
11            
12             SuperMapLib.soRecordset objAllRst;
13             SuperMapLib.soDatasetVector objAllDVt;
14            
15              // objInsectPoints = new SuperMapLib.soPoints();
16             beginPoints  =   new  SuperMapLib.soPoints();
17             objGeoLine  =   new  SuperMapLib.soGeoLine();
18             objInsectPoints  =   new  SuperMapLib.soPoints();
19             objInsectLine  =   new  SuperMapLib.soGeoLine();
20             objGeoLine  =  (SuperMapLib.soGeoLine) this .axSuperMap2.TrackedGeometry;
21             beginPoints  =  objGeoLine.GetPartAt( 1 );
22             beginPointX  =  beginPoints[ 1 ].x;
23             beginPointY  =  beginPoints[ 1 ].y;
24                 
25              // =================从给水中找================================= //
26                 
27             objAllDVt  =  (SuperMapLib.soDatasetVector) this .axSuperMap2.Layers[ " 给水@WINXP_JS " ].Dataset;
28             objAllRst  =  objAllDVt.QueryEx( this .axSuperMap2.TrackedGeometry, SuperMapLib.seSpatialQueryMode.scsLineCross,  "" );
29             objAllRst.MoveFirst();
30              while  ( ! objAllRst.IsEOF())
31              {
32                 objInsectLine  =  (SuperMapLib.soGeoLine)objAllRst.GetGeometry();
33                 tempInsectPoints  =  objInsectLine.GetCrossings( this .axSuperMap2.TrackedGeometry);
34
35                 objInsectPoints.Add(tempInsectPoints[ 1 ]);
36                 pointTypeArr.Add( new  PointType(tempInsectPoints[ 1 ],  " 给水 " , objAllRst.GetFieldValue( " 埋深 " ).ToString()));
37                 objAllRst.MoveNext();
38             }
39              // =============================================================== //
40
41              // ======================从雨水中找=============================== //
42             objAllDVt  =  (SuperMapLib.soDatasetVector) this .axSuperMap2.Layers[ " 雨水@WINXP_雨水 " ].Dataset;
43             objAllRst  =  objAllDVt.QueryEx( this .axSuperMap2.TrackedGeometry, SuperMapLib.seSpatialQueryMode.scsLineCross,  "" );
44             objAllRst.MoveFirst();
45              while  ( ! objAllRst.IsEOF())
46              {
47                 objInsectLine  =  (SuperMapLib.soGeoLine)objAllRst.GetGeometry();
48                 tempInsectPoints  =  objInsectLine.GetCrossings( this .axSuperMap2.TrackedGeometry);
49
50                 objInsectPoints.Add(tempInsectPoints[ 1 ]);
51                 pointTypeArr.Add( new  PointType(tempInsectPoints[ 1 ],  " 雨水 " ,objAllRst.GetFieldValue( " 埋深 " ).ToString()));
52                 objAllRst.MoveNext();
53             }
54              // =================================================================== //
55
56              // ======================从污水中找=============================== //
57             objAllDVt  =  (SuperMapLib.soDatasetVector) this .axSuperMap2.Layers[ " 污水@WINXP_污水管 " ].Dataset;
58             objAllRst  =  objAllDVt.QueryEx( this .axSuperMap2.TrackedGeometry, SuperMapLib.seSpatialQueryMode.scsLineCross,  "" );
59             objAllRst.MoveFirst();
60              while  ( ! objAllRst.IsEOF())
61              {
62                 objInsectLine  =  (SuperMapLib.soGeoLine)objAllRst.GetGeometry();
63                 tempInsectPoints  =  objInsectLine.GetCrossings( this .axSuperMap2.TrackedGeometry);
64
65                 objInsectPoints.Add(tempInsectPoints[ 1 ]);
66                 pointTypeArr.Add( new  PointType(tempInsectPoints[ 1 ],  " 污水 " , objAllRst.GetFieldValue( " 埋深 " ).ToString()));
67                 objAllRst.MoveNext();
68             }
69

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