/// <summary> /// 多部分(多外环)的多边形转成多个单部分的多边形 /// </summary> /// <param name="polygon"></param> /// <returns></returns> public static IPolygon[] MultiPartToSinglePart(this IPolygon4 polygon) { List <IPolygon> polygons = new List <IPolygon>(); //外部环 IGeometryBag exteriorRingGeometryBag = polygon.ExteriorRingBag; IGeometryCollection exteriorRingGeometryCollection = exteriorRingGeometryBag as IGeometryCollection; for (int i = 0; i < exteriorRingGeometryCollection.GeometryCount; i++) { IGeometry exteriorRingGeometry = exteriorRingGeometryCollection.get_Geometry(i); IRing ring = exteriorRingGeometry as IRing; ring.Close(); IGeometryCollection pGeometryColl = new PolygonClass(); pGeometryColl.AddGeometry(ring); //内部环 IGeometryBag interiorRingGeometryBag = polygon.get_InteriorRingBag(exteriorRingGeometry as IRing); IGeometryCollection interiorRingGeometryCollection = interiorRingGeometryBag as IGeometryCollection; for (int k = 0; k < interiorRingGeometryCollection.GeometryCount; k++) { IGeometry interiorRingGeometry = interiorRingGeometryCollection.get_Geometry(k); IRing ring2 = interiorRingGeometry as IRing; ring2.Close(); pGeometryColl.AddGeometry(ring2); } ITopologicalOperator pTopological = pGeometryColl as ITopologicalOperator; pTopological.Simplify(); IPolygon p = pGeometryColl as IPolygon; polygons.Add(p); } return(polygons.ToArray()); }
/// <summary> /// 获取多边形指定外环所包含的内环 /// </summary> /// <param name="polygon">多边形</param> /// <param name="exteriorRing">外部环,此外部环必须是指定多边形的</param> /// <returns></returns> public static List <IRing> GetInteriorRings(this IPolygon4 polygon, IRing exteriorRing) { List <IRing> rings = new List <IRing>(); IGeometryBag interiorRingGeometryBag = polygon.get_InteriorRingBag(exteriorRing); IGeometryCollection interiorRingGeometryCollection = (IGeometryCollection)interiorRingGeometryBag; for (int k = 0; k < interiorRingGeometryCollection.GeometryCount; k++) { IGeometry interiorRingGeometry = interiorRingGeometryCollection.get_Geometry(k); rings.Add(interiorRingGeometry as IRing); } return(rings); }
private List <IRing> method_7(IRing iring_0, IPolygon ipolygon_0) { List <IRing> list = new List <IRing>(); IPolygon4 polygon = ipolygon_0 as IPolygon4; IEnumGeometry geometry = polygon.get_InteriorRingBag(iring_0) as IEnumGeometry; geometry.Reset(); for (IRing ring = geometry.Next() as IRing; ring != null; ring = geometry.Next() as IRing) { list.Add(ring); } return(list); }
private IGeometry BufferExtAndIntBoundary(IPolygon4 polygon, double bufferDistance, bool draw) { IGeometry bndBuffer; object obj = Type.Missing; IGeometryCollection bufferGeometries = new GeometryBagClass() as IGeometryCollection; IGeometryBag exteriorRings = polygon.ExteriorRingBag; IEnumGeometry exteriorRingsEnum = exteriorRings as IEnumGeometry; exteriorRingsEnum.Reset(); IRing currentExteriorRing = exteriorRingsEnum.Next() as IRing; while (currentExteriorRing != null) { bndBuffer = BufferBoundary(currentExteriorRing, bufferDistance, false); bufferGeometries.AddGeometry(bndBuffer, ref obj, ref obj); //IPolygon4.get_InteriorRingBag should be used instead of IPolygon.QueryInteriorRings, //which does not work in .NET because of C-Style Arrays IGeometryBag interiorRings = polygon.get_InteriorRingBag(currentExteriorRing); IEnumGeometry interiorRingsEnum = interiorRings as IEnumGeometry; interiorRingsEnum.Reset(); IRing currentInteriorRing = interiorRingsEnum.Next() as IRing; while (currentInteriorRing != null) { bndBuffer = BufferBoundary(currentInteriorRing, bufferDistance, false); bufferGeometries.AddGeometry(bndBuffer, ref obj, ref obj); currentInteriorRing = interiorRingsEnum.Next() as IRing; } currentExteriorRing = exteriorRingsEnum.Next() as IRing; } ITopologicalOperator topoBufferGeometries = bufferGeometries as ITopologicalOperator; topoBufferGeometries.Simplify(); IPolygon buffPolygon = new PolygonClass(); ITopologicalOperator topoPolygon = buffPolygon as ITopologicalOperator; IEnumGeometry enumGeometry = bufferGeometries as IEnumGeometry; topoPolygon.ConstructUnion(enumGeometry); if (draw) { DrawGraphics(buffPolygon as IGeometry); } return(buffPolygon as IGeometry); }
public static IEnumerable <List <CPoint> > GetIpgInteriorCptLtEb(IPolygon4 ipg) { //ipg.Close(); if (ipg.ExteriorRingCount != 1) { throw new ArgumentException( "I have not considered such a complicated case! A hole contains other holes! "); } IRing2 pExteriorRing = (ipg.ExteriorRingBag as IGeometryCollection).get_Geometry(0) as IRing2; IGeometryCollection pGeoColInteriorRing = (IGeometryCollection)ipg.get_InteriorRingBag(pExteriorRing); for (int i = 0; i < pGeoColInteriorRing.GeometryCount; i++) { yield return(GetCptEbByICol(pGeoColInteriorRing.get_Geometry(i) as IPointCollection4).ToList()); } }
public List <string> PolygonToString(IPolygon4 polygon) { List <string> list = new List <string>(); IGeometryBag exteriorRingGeometryBag = polygon.ExteriorRingBag; IGeometryCollection exteriorRingGeometryCollection = exteriorRingGeometryBag as IGeometryCollection; for (int i = 0; i < exteriorRingGeometryCollection.GeometryCount; i++) { IGeometry exteriorRingGeometry = exteriorRingGeometryCollection.get_Geometry(i); IGeometryBag interiorRingGeometryBag = polygon.get_InteriorRingBag(exteriorRingGeometry as IRing); IGeometryCollection interiorRingGeometryCollection = interiorRingGeometryBag as IGeometryCollection;; for (int k = 0; k < interiorRingGeometryCollection.GeometryCount; k++) { IGeometry interiorRingGeometry = interiorRingGeometryCollection.get_Geometry(k); IPointCollection interiorRingPointCollection = interiorRingGeometry as IPointCollection; for (int m = 0; m < interiorRingPointCollection.PointCount; m++) { if (m == interiorRingPointCollection.PointCount - 1) { list.Add(PointToString(interiorRingPointCollection.get_Point(m)) + "-;"); } else { list.Add(PointToString(interiorRingPointCollection.get_Point(m)) + ";"); } } } IPointCollection exteriorRingPointCollection = exteriorRingGeometry as IPointCollection; for (int j = 0; j < exteriorRingPointCollection.PointCount; j++) { if (j == exteriorRingPointCollection.PointCount - 1) { list.Add(PointToString(exteriorRingPointCollection.get_Point(j)) + "+;"); } else { list.Add(PointToString(exteriorRingPointCollection.get_Point(j)) + ";"); } } } return(list); }
//---------------------------------------------------------------------------------- public static void SchrijfPolygon(IFeature pFeat) { IPolygon4 pPolygon = (IPolygon4)pFeat.ShapeCopy; //Schrijf aantal ringen IGeometryCollection GeoColl = (IGeometryCollection)pPolygon; int aantalringen = GeoColl.GeometryCount; Naar3dsMax.binWriter.Write(aantalringen); //int //Loop door Buitenringen IGeometryBag BuitenringenVerzameling = pPolygon.ExteriorRingBag; IGeometryCollection Buitenringen = (IGeometryCollection)BuitenringenVerzameling; int aantalBuitenringen = Buitenringen.GeometryCount; for (int i = 0; i < aantalBuitenringen; i++) { //Schrijf Buitenringvlag = true Boolean Buitenringvlag = true; WriteBoolean(Buitenringvlag); //Schrijf Buitenring IGeometry Buitenring = Buitenringen.get_Geometry(i); SchrijfRing(Buitenring); //Loop door Binnenringen IGeometryBag BinnenringenVerzameling = pPolygon.get_InteriorRingBag(Buitenring as IRing); IGeometryCollection Binnenringen = BinnenringenVerzameling as IGeometryCollection; int aantalBinnenringen = Binnenringen.GeometryCount; for (int k = 0; k < aantalBinnenringen; k++) { //Schrijf Buitenringvlag = false Buitenringvlag = false; WriteBoolean(Buitenringvlag); //Schrijf Binnenring IGeometry Binnenring = Binnenringen.get_Geometry(k); SchrijfRing(Binnenring); } } }
/// <summary> /// 根据外环获取到内环 /// </summary> /// <param name="ring">外环</param> /// <param name="polygon">多边形</param> /// <returns></returns> public static IRing[] GetInteriorRingsByExterior(IRing ring, IPolygon polygon) { List <IRing> interRingList = new List <IRing>(); IPolygon4 polygon4 = polygon as IPolygon4; IGeometryBag interRings = polygon4.get_InteriorRingBag(ring); IEnumGeometry interRingsEnum = interRings as IEnumGeometry; interRingsEnum.Reset(); IRing tmpring = interRingsEnum.Next() as IRing; while (tmpring != null) { interRingList.Add(tmpring); tmpring = interRingsEnum.Next() as IRing; } return(interRingList.ToArray()); }
private IList <IGeometry> GetGeometrys(IGeometry pGeo) { IList <IGeometry> list = new List <IGeometry>(); try { if (pGeo.GeometryType == esriGeometryType.esriGeometryPolyline) { IGeometryCollection geometrys = pGeo as IGeometryCollection; int geometryCount = geometrys.GeometryCount; for (int i = 0; i < geometryCount; i++) { IGeometry inGeometry = geometrys.get_Geometry(i); if (!inGeometry.IsEmpty) { IGeometryCollection geometrys2 = new PolylineClass(); object missing = System.Type.Missing; geometrys2.AddGeometry(inGeometry, ref missing, ref missing); IGeometry item = geometrys2 as IGeometry; item.SpatialReference = pGeo.SpatialReference; list.Add(item); } } return(list); } if (pGeo.GeometryType == esriGeometryType.esriGeometryPolygon) { IPolygon4 polygon = pGeo as IPolygon4; if (polygon.ExteriorRingCount < 2) { list.Add(pGeo); return(list); } IEnumGeometry exteriorRingBag = polygon.ExteriorRingBag as IEnumGeometry; exteriorRingBag.Reset(); for (IRing ring = exteriorRingBag.Next() as IRing; ring != null; ring = exteriorRingBag.Next() as IRing) { IGeometryBag bag2 = polygon.get_InteriorRingBag(ring); object before = System.Type.Missing; IGeometryCollection geometrys3 = null; geometrys3 = new PolygonClass(); geometrys3.AddGeometry(ring, ref before, ref before); IPolygon polygon2 = geometrys3 as IPolygon; polygon2.SpatialReference = pGeo.SpatialReference; ITopologicalOperator2 @operator = (ITopologicalOperator2)polygon2; @operator.IsKnownSimple_2 = false; @operator.Simplify(); if (!bag2.IsEmpty) { IGeometryCollection geometrys4 = new PolygonClass(); IEnumGeometry geometry4 = bag2 as IEnumGeometry; geometry4.Reset(); for (IRing ring2 = geometry4.Next() as IRing; ring2 != null; ring2 = geometry4.Next() as IRing) { geometrys4.AddGeometry(ring2, ref before, ref before); } IPolygon other = geometrys4 as IPolygon; other.SpatialReference = pGeo.SpatialReference; ITopologicalOperator2 operator2 = (ITopologicalOperator2)other; operator2.IsKnownSimple_2 = false; operator2.Simplify(); IGeometry geometry5 = @operator.Difference(other); list.Add(geometry5); } else { list.Add(polygon2); } } } return(list); } catch { return(null); } return(list); }
/// <summary> /// 获取VCT面实体节点 /// </summary> public override EntityNode GetEntityNode() { try { m_PolygonNode = new PolygonNode(); IFeature pFeature = this.Feature as IFeature; ///标识码赋值 int dBSMIndex = -1; dBSMIndex = this.Feature.Fields.FindField(m_strEntityIDFiled); if (dBSMIndex != -1) m_PolygonNode.EntityID = Convert.ToInt32(this.Feature.get_Value(dBSMIndex)); ///图形表现赋值 //m_PolygonNode.Representation = pFeature.Class.AliasName; ///要素代码赋值 //int dSYDMIndex = -1; //dSYDMIndex = this.Feature.Fields.FindField(m_strYSDMField); //if (dSYDMIndex != -1) // m_PolygonNode.FeatureCode = this.Feature.get_Value(dSYDMIndex).ToString(); //string sAttriTableName = (pFeature.Class as IDataset).Name; //m_PolygonNode.FeatureCode = MetaDataFile.GetFeatureCodeByName(sAttriTableName); m_PolygonNode.FeatureCode = this.FeatureCode; //设置间接坐标面构成类型、面特征类型、图形表现代码 m_PolygonNode.PolygonType = 100; //m_PolygonNode.Representation = pFeature.Class.AliasName; ///add by 曾平 2011-9-7 添加裁切 IGeometry pFeatureGeometry = null; if (m_bCut) { pFeatureGeometry = GetSubGeometry(); if (pFeatureGeometry == null) { pFeatureGeometry = pFeature.Shape; } } else { pFeatureGeometry = pFeature.Shape; } IPolygon4 pGeoPolygon = pFeatureGeometry as IPolygon4; List<LineNodeEx> pListNodeEx = new List<LineNodeEx>(); IGeometryBag pExteriorRings = pGeoPolygon.ExteriorRingBag; ///获取外环集合 IEnumGeometry pExteriorRingsEnum = pExteriorRings as IEnumGeometry; pExteriorRingsEnum.Reset(); IRing pCurrentExteriorRing = pExteriorRingsEnum.Next() as IRing; ////构面的线段要素代码都是面的要素代码 string strLineFeatureCode =m_PolygonNode.FeatureCode; string strRepresentation = m_PolygonNode.Representation; ///遍历所有外环及关联的内环 while (pCurrentExteriorRing != null) { ///设置当前外环数据 //List<LineNodeEx> pListExLine = GetLineByRing(pCurrentExteriorRing, strLineFeatureCode,strRepresentation, m_PolygonNode.EntityID); List<LineNodeEx> pListExLine = GetLineNodeExsByRing(pCurrentExteriorRing, strLineFeatureCode, strRepresentation, m_PolygonNode.EntityID); if (pListExLine != null) { pListNodeEx.AddRange(pListExLine); ///不相连的环添加标识码为0的空数据 LineNodeEx pOutTempLineNodeEx = new LineNodeEx(); pOutTempLineNodeEx.EntityID = 0; pOutTempLineNodeEx.PolygonID = m_PolygonNode.EntityID; pListNodeEx.Add(pOutTempLineNodeEx); ///获取当前外环的关联内环 IGeometryBag pInteriorRings = pGeoPolygon.get_InteriorRingBag(pCurrentExteriorRing); IEnumGeometry pInteriorRingsEnum = pInteriorRings as IEnumGeometry; pInteriorRingsEnum.Reset(); IRing pCurrentInteriorRing = pInteriorRingsEnum.Next() as IRing; ////遍历内环 while (pCurrentInteriorRing != null) { List<LineNodeEx> pListInLine = GetLineByRing(pCurrentInteriorRing, strLineFeatureCode, strRepresentation, m_PolygonNode.EntityID); if (pListInLine != null) { pListNodeEx.AddRange(pListInLine); ///不相连的环添加标识码为0的空数据 LineNodeEx pInTempLineNodeEx = new LineNodeEx(); pInTempLineNodeEx.EntityID = 0; pInTempLineNodeEx.PolygonID = m_PolygonNode.EntityID; pListNodeEx.Add(pInTempLineNodeEx); } //处理下一个内环 pCurrentInteriorRing = pInteriorRingsEnum.Next() as IRing; } } ///处理下一个外环 pCurrentExteriorRing = pExteriorRingsEnum.Next() as IRing; } ///删除集合中最后一位补零线段 if (pListNodeEx.Count>0&& pListNodeEx[pListNodeEx.Count - 1].EntityID == 0) pListNodeEx.RemoveAt(pListNodeEx.Count - 1); m_PolygonNode.LineNodes = pListNodeEx; //获取标志点 IArea pArea = pFeature.Shape as IArea; if (pArea != null) m_PolygonNode.LablePointInfoNode = new PointInfoNode(pArea.LabelPoint.X, pArea.LabelPoint.Y); return m_PolygonNode; } catch (Exception ex) { LogAPI.WriteErrorLog(ex); return null; } }
/// <summary> /// 获取多边形指定外环所包含的内环的数量 /// </summary> /// <param name="polygon"></param> /// <param name="exteriorRing"></param> /// <returns></returns> public static int GetInnerRingCount(this IPolygon4 polygon, IRing exteriorRing) { return(((IGeometryCollection)polygon.get_InteriorRingBag(exteriorRing)).GeometryCount); }
public void OtherRule(string idname, string checkname, string IN_RuleType, string TABLENAME, string SUPTABLE, string inputtext, IHookHelper m_hookHelper) { CommonClass common = new CommonClass(); IFeatureClass IN_FeatureClass = common.GetLayerByName(TABLENAME).FeatureClass; IGeoDataset pGeoDataset = IN_FeatureClass as IGeoDataset; ISpatialReference spatialReference = pGeoDataset.SpatialReference; IFeatureClass IN_Sup_FeatureClass = null; if (SUPTABLE != null) { IN_Sup_FeatureClass = common.GetLayerByName(SUPTABLE).FeatureClass; } string ErrorFilePath = this.topoDir + "\\" + checkname + idname + ".shp"; if (IN_RuleType == "面多部件检查") { try { common.CreatShpFile(this.topoDir, spatialReference, esriGeometryType.esriGeometryPolygon, checkname + idname); List <ErrorEntity> list = new List <ErrorEntity>(); IFeatureCursor cursor = IN_FeatureClass.Search(null, false); int tempCount = 0; IFeature pFeature = cursor.NextFeature(); while (pFeature != null) { IGeometry pGeo = pFeature.ShapeCopy; ITopologicalOperator pTopoOperator = pGeo as ITopologicalOperator; int iCount = 0; if (IN_FeatureClass.ShapeType == esriGeometryType.esriGeometryPolygon) { iCount = (pGeo as IPolygon).ExteriorRingCount; } else if (IN_FeatureClass.ShapeType == esriGeometryType.esriGeometryPolyline) { iCount = ((pGeo as IPolyline) as IGeometryCollection).GeometryCount; } else if (IN_FeatureClass.ShapeType == esriGeometryType.esriGeometryMultipoint) { iCount = ((pGeo as IMultipoint) as IPointCollection).PointCount; } if (iCount > 1) { tempCount++; common.GenerateSHPFile(pFeature.ShapeCopy, ErrorFilePath); } pFeature = cursor.NextFeature(); } //new ErrorTable().AddErr(list, ErrType.MultiPart, idname); if (!DicTopoError.ContainsKey(idname)) { DicTopoError.Add(idname, tempCount); } else { DicTopoError[idname] = tempCount; } Marshal.ReleaseComObject(cursor); if (tempCount == 0) { string shpFolder = System.IO.Path.GetDirectoryName(ErrorFilePath); IWorkspaceFactory pWorkspaceFac = new ShapefileWorkspaceFactoryClass(); IWorkspace pWorkSpace = pWorkspaceFac.OpenFromFile(ErrorFilePath, 0); IFeatureWorkspace pFeatureWorkSpace = pWorkSpace as IFeatureWorkspace; if (System.IO.File.Exists(ErrorFilePath)) { IFeatureClass pFCChecker = pFeatureWorkSpace.OpenFeatureClass(ErrorFilePath); if (pFCChecker != null) { IDataset pds = pFCChecker as IDataset; pds.Delete(); } } } } catch (Exception ex) { LogHelper.WriteLog(typeof(TopoChecker), ex); } } else if (IN_RuleType == "面自相交检查") { int errorCount = 0; try { common.CreatShpFile(this.topoDir, spatialReference, esriGeometryType.esriGeometryPoint, checkname + idname); IFeatureLayer pLayer = new FeatureLayer(); pLayer.FeatureClass = IN_FeatureClass; TopoClassChecker topo = new TopoClassChecker(); IFeatureCursor cursor; IQueryFilter filter = new QueryFilterClass(); filter.SubFields = pLayer.FeatureClass.OIDFieldName + "," + pLayer.FeatureClass.ShapeFieldName; cursor = pLayer.FeatureClass.Search(filter, true); IFeature feature = null; object missing = Type.Missing; while ((feature = cursor.NextFeature()) != null) { IPoint tempPoint = null; StringBuilder builder = new StringBuilder(); IGeometryCollection shape = feature.Shape as IGeometryCollection; for (int i = 0; i < shape.GeometryCount; i++) { esriNonSimpleReasonEnum enum2; IPointCollection newPoints = shape.get_Geometry(i) as IPointCollection; IRing ring = newPoints as IRing; int num2 = 0; if (ring.IsClosed) { num2 = 1; } PolylineClass o = new PolylineClass(); o.AddPointCollection(newPoints); o.SpatialReference = spatialReference; ITopologicalOperator3 @operator = o; @operator.IsKnownSimple_2 = false; if ([email protected]_IsSimpleEx(out enum2) && (enum2 == esriNonSimpleReasonEnum.esriNonSimpleSelfIntersections)) { List <string> list2 = new List <string>(); List <string> list3 = new List <string>(); for (int j = num2; j < newPoints.PointCount; j++) { IPoint point = newPoints.get_Point(j); tempPoint = point; string item = point.X.ToString() + "," + point.Y.ToString(); if (list2.Contains(item)) { if (!list3.Contains(item)) { builder.Append(";"); builder.Append(item); list3.Add(item); } } else { list2.Add(item); } } } Marshal.ReleaseComObject(o); o = null; } if (builder.Length > 0) { errorCount++; string[] strArray = builder.ToString().Substring(1).Split(new char[] { ';' }); ESRI.ArcGIS.Geometry.IPointCollection pPointCollection1 = new ESRI.ArcGIS.Geometry.MultipointClass(); foreach (string str in strArray) { if (!string.IsNullOrEmpty(str)) { string[] strArray2 = str.Split(new char[] { ',' }); double pX = double.Parse(strArray2[0]); double pY = double.Parse(strArray2[1]); ESRI.ArcGIS.Geometry.IPoint point = new ESRI.ArcGIS.Geometry.PointClass(); point.X = pX; point.Y = pY; common.GenerateSHPFile(point, ErrorFilePath); } } } } Marshal.ReleaseComObject(cursor); if (errorCount == 0) { string shpFolder = System.IO.Path.GetDirectoryName(ErrorFilePath); IWorkspaceFactory pWorkspaceFac = new ShapefileWorkspaceFactoryClass(); IWorkspace pWorkSpace = pWorkspaceFac.OpenFromFile(ErrorFilePath, 0); IFeatureWorkspace pFeatureWorkSpace = pWorkSpace as IFeatureWorkspace; if (System.IO.File.Exists(ErrorFilePath)) { IFeatureClass pFCChecker = pFeatureWorkSpace.OpenFeatureClass(ErrorFilePath); if (pFCChecker != null) { IDataset pds = pFCChecker as IDataset; pds.Delete(); } } } } catch (Exception ex) { LogHelper.WriteLog(typeof(TopoChecker), ex); } if (!DicTopoError.ContainsKey(idname)) { DicTopoError.Add(idname, errorCount); } else { DicTopoError[idname] = errorCount; } } else if (IN_RuleType == "缝隙检查") { int errorCount = 0; try { common.CreatShpFile(this.topoDir, spatialReference, esriGeometryType.esriGeometryPolygon, checkname + idname); this.m_hookHelper = m_hookHelper; IFeatureClass pFClass = IN_FeatureClass; //获取空间参考 IGeometry geometryBag = new GeometryBagClass(); IGeoDataset geoDataset = pFClass as IGeoDataset; geometryBag.SpatialReference = geoDataset.SpatialReference; ////属性过滤 IFeatureCursor featureCursor = pFClass.Search(null, false); // 遍历游标 IFeature currentFeature = featureCursor.NextFeature(); IGeometryCollection geometryCollection = geometryBag as IGeometryCollection; object missing = Type.Missing; while (currentFeature != null) { geometryCollection.AddGeometry(currentFeature.Shape, ref missing, ref missing); currentFeature = featureCursor.NextFeature(); } // 合并要素 ITopologicalOperator unionedPolygon = null; unionedPolygon = new Polygon() as ITopologicalOperator; unionedPolygon.ConstructUnion(geometryCollection as IEnumGeometry); Marshal.ReleaseComObject(featureCursor); IPolygon4 pMergerPolygon = unionedPolygon as IPolygon4; IGeometryBag pOutGeometryBag = pMergerPolygon.ExteriorRingBag; //获取外部环 IGeometryCollection pOutGmtyCollection = pOutGeometryBag as IGeometryCollection; for (int i = 0; i < pOutGmtyCollection.GeometryCount; i++) //对外部环遍历 { IGeometry pOutRing = pOutGmtyCollection.get_Geometry(i); //外部环 //【此处可以对外部环进行操作】 IPointCollection pOutRingCollection = pOutRing as IPointCollection; for (int j = 0; j < pOutRingCollection.PointCount; j++) { IPoint pOutRingPoint = pOutRingCollection.get_Point(j);//获取外环上的点 } IGeometryBag pInteriotGeometryBag = pMergerPolygon.get_InteriorRingBag(pOutRing as IRing); //获取内部环 IGeometryCollection pInteriorGeometryCollection = pInteriotGeometryBag as IGeometryCollection; for (int j = 0; j < pInteriorGeometryCollection.GeometryCount; j++) { ISegmentCollection SegCol = pInteriorGeometryCollection.get_Geometry(j) as ISegmentCollection; IPolygon PPolygon = new PolygonClass(); ISegmentCollection newSegCol = PPolygon as ISegmentCollection; newSegCol.AddSegmentCollection(SegCol); //pInteriorGeometry即为多边形的内部环 IGeometry inRing = PPolygon as IGeometry; inRing.SpatialReference = geometryBag.SpatialReference; IArea area = inRing as IArea; Double getarea = System.Math.Abs(Convert.ToDouble(area.Area)); if (inputtext == null || inputtext == "" || getarea < Convert.ToDouble(inputtext)) { Boolean flag = true; ISpatialFilter filter = new SpatialFilterClass(); filter.Geometry = inRing; filter.SubFields = pFClass.OIDFieldName + "," + pFClass.ShapeFieldName; filter.SpatialRel = esriSpatialRelEnum.esriSpatialRelIntersects; IFeatureCursor o = pFClass.Search(filter, true); IFeature feature = o.NextFeature(); while (feature != null && flag) { IPolygon4 pPolygon = feature.Shape as IPolygon4; IGeometryBag iOutGeometryBag = pPolygon.ExteriorRingBag; //获取外部环 IGeometryCollection iOutGmtyCollection = iOutGeometryBag as IGeometryCollection; for (int m = 0; m < iOutGmtyCollection.GeometryCount && flag; m++) //对外部环遍历 { IGeometry outGeo = iOutGmtyCollection.get_Geometry(m); IGeometryCollection polyGonGeo = new PolygonClass(); polyGonGeo.AddGeometry(outGeo); IPolygon iPolygon = polyGonGeo as IPolygon; iPolygon.SimplifyPreserveFromTo(); IRelationalOperator2 pRelationalOperator2 = iPolygon as IRelationalOperator2; if (!pRelationalOperator2.Contains(inRing)) { errorCount++; common.GenerateSHPFile(inRing, ErrorFilePath); flag = false; } } feature = o.NextFeature(); } Marshal.ReleaseComObject(o); } } if (errorCount == 0) { string shpFolder = System.IO.Path.GetDirectoryName(ErrorFilePath); IWorkspaceFactory pWorkspaceFac = new ShapefileWorkspaceFactoryClass(); IWorkspace pWorkSpace = pWorkspaceFac.OpenFromFile(ErrorFilePath, 0); IFeatureWorkspace pFeatureWorkSpace = pWorkSpace as IFeatureWorkspace; if (System.IO.File.Exists(ErrorFilePath)) { IFeatureClass pFCChecker = pFeatureWorkSpace.OpenFeatureClass(ErrorFilePath); if (pFCChecker != null) { IDataset pds = pFCChecker as IDataset; pds.Delete(); } } } } } catch (Exception ex) { LogHelper.WriteLog(typeof(TopoChecker), ex); } if (!DicTopoError.ContainsKey(idname)) { DicTopoError.Add(idname, errorCount); } else { DicTopoError[idname] = errorCount; } } else if (IN_RuleType == "面重叠检查") { IFeatureClass outIFC = null; this.m_hookHelper = m_hookHelper; ESRI.ArcGIS.AnalysisTools.Intersect intersect = new ESRI.ArcGIS.AnalysisTools.Intersect(); string outString = this.topoDir + "\\" + checkname + idname + ".shp"; intersect.in_features = common.GetPathByName(TABLENAME); intersect.out_feature_class = outString; Geoprocessor geoProcessor = new Geoprocessor(); geoProcessor.OverwriteOutput = true; try { if (this.gp == null) { this.gp = new ESRI.ArcGIS.Geoprocessor.Geoprocessor(); } IGeoProcessorResult result = (IGeoProcessorResult)this.gp.Execute(intersect, null); if (result.Status != ESRI.ArcGIS.esriSystem.esriJobStatus.esriJobSucceeded) { Console.WriteLine("gp工具执行错误"); } else { outIFC = this.gp.Open(result.ReturnValue) as IFeatureClass; } } catch (Exception ex) { LogHelper.WriteLog(typeof(TopoChecker), ex); Console.WriteLine(ex.Message); } if (outIFC.FeatureCount(null) == 0) { string shpFolder = System.IO.Path.GetDirectoryName(ErrorFilePath); IWorkspaceFactory pWorkspaceFac = new ShapefileWorkspaceFactoryClass(); IWorkspace pWorkSpace = pWorkspaceFac.OpenFromFile(ErrorFilePath, 0); IFeatureWorkspace pFeatureWorkSpace = pWorkSpace as IFeatureWorkspace; if (System.IO.File.Exists(ErrorFilePath)) { IFeatureClass pFCChecker = pFeatureWorkSpace.OpenFeatureClass(ErrorFilePath); if (pFCChecker != null) { IDataset pds = pFCChecker as IDataset; pds.Delete(); } } } if (!DicTopoError.ContainsKey(idname)) { DicTopoError.Add(idname, outIFC.FeatureCount(null)); } else { DicTopoError[idname] = outIFC.FeatureCount(null); } } else if (IN_RuleType == "面重叠检查(与其他图层)") { IFeatureClass outIFC = null; this.m_hookHelper = m_hookHelper; ESRI.ArcGIS.AnalysisTools.Intersect intersect = new ESRI.ArcGIS.AnalysisTools.Intersect(); string outString = this.topoDir + "\\" + checkname + idname + ".shp"; intersect.in_features = @common.GetPathByName(TABLENAME) + ";" + @common.GetPathByName(SUPTABLE); intersect.out_feature_class = outString; Geoprocessor geoProcessor = new Geoprocessor(); geoProcessor.OverwriteOutput = true; try { if (this.gp == null) { this.gp = new ESRI.ArcGIS.Geoprocessor.Geoprocessor(); } IGeoProcessorResult result = (IGeoProcessorResult)this.gp.Execute(intersect, null); if (result.Status != ESRI.ArcGIS.esriSystem.esriJobStatus.esriJobSucceeded) { Console.WriteLine("gp工具执行错误"); } else { outIFC = this.gp.Open(result.ReturnValue) as IFeatureClass; } } catch (Exception ex) { Console.WriteLine(ex.Message); LogHelper.WriteLog(typeof(TopoChecker), ex); } if (outIFC.FeatureCount(null) == 0) { string shpFolder = System.IO.Path.GetDirectoryName(ErrorFilePath); IWorkspaceFactory pWorkspaceFac = new ShapefileWorkspaceFactoryClass(); IWorkspace pWorkSpace = pWorkspaceFac.OpenFromFile(ErrorFilePath, 0); IFeatureWorkspace pFeatureWorkSpace = pWorkSpace as IFeatureWorkspace; if (System.IO.File.Exists(ErrorFilePath)) { IFeatureClass pFCChecker = pFeatureWorkSpace.OpenFeatureClass(ErrorFilePath); if (pFCChecker != null) { IDataset pds = pFCChecker as IDataset; pds.Delete(); } } } if (!DicTopoError.ContainsKey(idname)) { DicTopoError.Add(idname, outIFC.FeatureCount(null)); } else { DicTopoError[idname] = outIFC.FeatureCount(null); } } Marshal.ReleaseComObject(IN_FeatureClass); if (SUPTABLE != null) { Marshal.ReleaseComObject(IN_Sup_FeatureClass); } }
/// <summary> /// 缝隙检查。融合后去内环。 /// </summary> /// <param name="pFeature"></param> /// <returns></returns> public List <Dictionary <string, IGeometry> > CheckFeatureGap(IFeatureClass pFClass, string inputtext) { List <Dictionary <string, IGeometry> > listGeo = new List <Dictionary <string, IGeometry> >(); if (pFClass == null) { return(null); } //Stopwatch watch = new Stopwatch(); //watch.Start(); //获取空间参考 IGeometry geometryBag = new GeometryBagClass(); IGeoDataset geoDataset = pFClass as IGeoDataset; geometryBag.SpatialReference = geoDataset.SpatialReference; ////属性过滤 //ISpatialFilter queryFilter = new SpatialFilterClass(); //queryFilter.SubFields = "Shape"; IFeatureCursor featureCursor = pFClass.Search(null, false); // 遍历游标 IFeature currentFeature = featureCursor.NextFeature(); if (currentFeature == null) { return(null); } IGeometryCollection geometryCollection = geometryBag as IGeometryCollection; object missing = Type.Missing; while (currentFeature != null) { geometryCollection.AddGeometry(currentFeature.Shape, ref missing, ref missing); currentFeature = featureCursor.NextFeature(); } // 合并要素 ITopologicalOperator unionedPolygon = null; if (pFClass.ShapeType == esriGeometryType.esriGeometryPoint) { unionedPolygon = new Multipoint() as ITopologicalOperator; unionedPolygon.ConstructUnion(geometryCollection as IEnumGeometry); } else if (pFClass.ShapeType == esriGeometryType.esriGeometryPolyline) { unionedPolygon = new Polyline() as ITopologicalOperator; unionedPolygon.ConstructUnion(geometryCollection as IEnumGeometry); } else { unionedPolygon = new Polygon() as ITopologicalOperator; unionedPolygon.ConstructUnion(geometryCollection as IEnumGeometry); } Marshal.ReleaseComObject(featureCursor); IPolygon4 pMergerPolygon = unionedPolygon as IPolygon4; IGeometryBag pOutGeometryBag = pMergerPolygon.ExteriorRingBag; //获取外部环 IGeometryCollection pOutGmtyCollection = pOutGeometryBag as IGeometryCollection; for (int i = 0; i < pOutGmtyCollection.GeometryCount; i++) //对外部环遍历 { IGeometry pOutRing = pOutGmtyCollection.get_Geometry(i); //外部环 //【此处可以对外部环进行操作】 IPointCollection pOutRingCollection = pOutRing as IPointCollection; for (int j = 0; j < pOutRingCollection.PointCount; j++) { IPoint pOutRingPoint = pOutRingCollection.get_Point(j);//获取外环上的点 } IGeometryBag pInteriotGeometryBag = pMergerPolygon.get_InteriorRingBag(pOutRing as IRing); //获取内部环 IGeometryCollection pInteriorGeometryCollection = pInteriotGeometryBag as IGeometryCollection; for (int j = 0; j < pInteriorGeometryCollection.GeometryCount; j++) { ISegmentCollection SegCol = pInteriorGeometryCollection.get_Geometry(j) as ISegmentCollection; IPolygon PPolygon = new PolygonClass(); ISegmentCollection newSegCol = PPolygon as ISegmentCollection; newSegCol.AddSegmentCollection(SegCol); //pInteriorGeometry即为多边形的内部环 IGeometry inRing = PPolygon as IGeometry; inRing.SpatialReference = geometryBag.SpatialReference; IArea area = inRing as IArea; Double getarea = System.Math.Abs(Convert.ToDouble(area.Area)); if (inputtext == null || inputtext == "" || getarea < Convert.ToDouble(inputtext)) { Boolean flag = true; ISpatialFilter filter = new SpatialFilterClass(); filter.Geometry = inRing; filter.SubFields = pFClass.OIDFieldName + "," + pFClass.ShapeFieldName; filter.SpatialRel = esriSpatialRelEnum.esriSpatialRelIntersects; IFeatureCursor o = pFClass.Search(filter, true); IFeature feature = o.NextFeature(); while (feature != null && flag) { Console.WriteLine(feature.OID); IPolygon4 pPolygon = feature.Shape as IPolygon4; IGeometryBag iOutGeometryBag = pPolygon.ExteriorRingBag; //获取外部环 IGeometryCollection iOutGmtyCollection = iOutGeometryBag as IGeometryCollection; for (int m = 0; m < iOutGmtyCollection.GeometryCount && flag; m++) //对外部环遍历 { IGeometry outGeo = iOutGmtyCollection.get_Geometry(m); IGeometryCollection polyGonGeo = new PolygonClass(); polyGonGeo.AddGeometry(outGeo); IPolygon iPolygon = polyGonGeo as IPolygon; iPolygon.SimplifyPreserveFromTo(); IRelationalOperator2 pRelationalOperator2 = iPolygon as IRelationalOperator2; if (!pRelationalOperator2.Contains(inRing)) { Dictionary <string, IGeometry> itemDic = new Dictionary <string, IGeometry>(); itemDic.Add(feature.OID.ToString(), inRing); listGeo.Add(itemDic); flag = false; } } feature = o.NextFeature(); } Marshal.ReleaseComObject(o); } } } if (listGeo.Count > 0) { return(listGeo); } else { return(null); } }
private void CutSelectedPolygon() { bool isSuccess = false; if (m_selectedFeature == null) { MessageBox.Show("请先选择要分割的面要素!!", "信息提示", MessageBoxButtons.OK, MessageBoxIcon.Information); m_toolPhase = ToolPhase.SelectFeature; return; } //在屏幕上绘制用于分割的线要素 IScreenDisplay screenDisplay = m_activeView.ScreenDisplay; ISimpleLineSymbol sym = new SimpleLineSymbolClass(); IRgbColor color = new RgbColorClass(); color.Red = 255; color.Green = 128; color.Blue = 128; sym.Color = color; sym.Style = esriSimpleLineStyle.esriSLSSolid; sym.Width = 2; IRubberBand cutBand = new RubberLineClass(); IGeometry reshaprGeometry = cutBand.TrackNew(screenDisplay, sym as ISymbol); screenDisplay.StartDrawing(screenDisplay.hDC, (short)esriScreenCache.esriNoScreenCache); screenDisplay.SetSymbol(sym as ISymbol); screenDisplay.DrawPolyline(reshaprGeometry); screenDisplay.FinishDrawing(); IFeatureClass featureClass = m_selectedFeature.Class as IFeatureClass; IDataset dataset = featureClass as IDataset; IWorkspaceEdit workspaceEdit = dataset.Workspace as IWorkspaceEdit; if (!(workspaceEdit.IsBeingEdited())) { return; } //分割选择的面要素 if (reshaprGeometry.IsEmpty == true) { return; } try { IPolyline reshapePolyline, sourcePolyline = null; IPolygon4 polygon = null; IRing ring = null, innerRing = null, outRing = null; IPath reshapePath = null; IGeometryCollection pathCollection = null; IGeometry geometry = m_selectedFeature.Shape; switch (geometry.GeometryType) { case esriGeometryType.esriGeometryPolygon: bool outerSuccess = false, innerSuccess = false; IGeometryBag innerRingGeometryBag = null; IGeometryCollection innerRingGeometryCollection = null; reshapePolyline = reshaprGeometry as IPolyline; pathCollection = reshapePolyline as IGeometryCollection; //只可能产生一条polyline,直接写死 reshapePath = pathCollection.Geometry[0] as IPath; polygon = geometry as IPolygon4; IGeometryBag exteriorRingGeometryBag = polygon.ExteriorRingBag; IGeometryCollection exteriorRingGeometryCollection = exteriorRingGeometryBag as IGeometryCollection; for (int i = 0; i < exteriorRingGeometryCollection.GeometryCount; i++) { outRing = exteriorRingGeometryCollection.Geometry[i] as IRing; bool a = outRing.Reshape(reshapePath); outerSuccess = outerSuccess || a; innerRingGeometryBag = polygon.get_InteriorRingBag(outRing); innerRingGeometryCollection = innerRingGeometryBag as IGeometryCollection; for (int j = 0; j < innerRingGeometryCollection.GeometryCount; j++) { innerRing = innerRingGeometryCollection.Geometry[j] as IRing; bool b = innerRing.Reshape(reshapePath); innerSuccess = innerSuccess || b; } } isSuccess = innerSuccess || outerSuccess; break; case esriGeometryType.esriGeometryPolyline: sourcePolyline = geometry as IPolyline; reshapePolyline = reshaprGeometry as IPolyline; pathCollection = reshapePolyline as IGeometryCollection; //只可能产生一条polyline,直接写死 reshapePath = pathCollection.Geometry[0] as IPath; isSuccess = sourcePolyline.Reshape(reshapePath); break; } if (isSuccess) { workspaceEdit.StartEditOperation(); m_selectedFeature.Shape = geometry;//如果没加这句gdb无法编辑 m_selectedFeature.Store(); m_activeView.Refresh(); workspaceEdit.StopEditOperation(); } else { throw new Exception("重塑要素失败!"); } m_activeView.Refresh(); } catch (Exception ex) { workspaceEdit.AbortEditOperation(); MessageBox.Show("分割面要素失败!!" + ex.Message, "信息提示", MessageBoxButtons.OK, MessageBoxIcon.Information); } m_activeView.PartialRefresh(esriViewDrawPhase.esriViewGeography, null, m_activeView.Extent); m_toolPhase = ToolPhase.SelectFeature; }