public override void OnMouseDown(int Button, int Shift, int X, int Y)
{
if (Button != 1)
{
return;
}
IPoint inPoint = new PointClass();
inPoint = this.m_hookHelper.ActiveView.ScreenDisplay.DisplayTransformation.ToMapPoint(X, Y);
IMap map = this.m_hookHelper.FocusMap;
//获取最邻近的要素ID
IPointToEID pointToEID = new PointToEIDClass();
pointToEID.GeometricNetwork = geometricNetwork;
pointToEID.SourceMap = map;
pointToEID.SnapTolerance = 10;
int nearstJunctionEID = -1;
IPoint outPoint = new PointClass();
pointToEID.GetNearestJunction(inPoint, out nearstJunctionEID, out outPoint);
if (outPoint == null || outPoint.IsEmpty)
{
return;
}
junctionBarrierEIDs.Add(nearstJunctionEID);
//绘制要素
DrawElement(outPoint);
}
public override void OnMouseDown(int Button, int Shift, int X, int Y)
{
base.OnMouseDown(Button, Shift, X, Y);
if (Button != 1)
{
return;
}
//获取坐标点
IPoint inPoint = new PointClass();
inPoint = m_hookHelper.ActiveView.ScreenDisplay.DisplayTransformation.ToMapPoint(X, Y);
IMap map = m_hookHelper.FocusMap;
//查询与坐标点最近的管点
IPointToEID pointToEID = new PointToEIDClass();
//
if (geomretyNetwork == null)
{
return;
}
pointToEID.GeometricNetwork = geomretyNetwork;
pointToEID.SourceMap = map;
pointToEID.SnapTolerance = 10;
IPoint outPoint = new PointClass();
int nearestJunctionEID = -1;
pointToEID.GetNearestJunction(inPoint, out nearestJunctionEID, out outPoint);
if (outPoint == null || outPoint.IsEmpty)
{
return;
}
//获取管点标识并加入列表
INetElements netElemnts = geomretyNetwork.Network as INetElements;
int UserClassID = 0;
int UserID = 0;
int UserSubID = 0;
netElemnts.QueryIDs(nearestJunctionEID, esriElementType.esriETJunction, out UserClassID, out UserID, out UserSubID);
//设置并添加管点标识
INetFlag netFlag = new JunctionFlagClass() as INetFlag;
netFlag.UserClassID = UserClassID;
netFlag.UserID = UserID;
netFlag.UserSubID = UserSubID;
//
listJunctionFlags.Add(netFlag as IJunctionFlag);
//绘制点要素
DrawElement(outPoint);
}
/// <summary>
/// 根据输入点建立旗帜数组
/// </summary>
/// <param name="pGeometricNet"></param>
/// <param name="pCollection"></param>
/// <param name="pDisc"></param>
/// <param name="pNetElements"></param>
/// <returns></returns>
private static IJunctionFlag[] GetJunctionFlags(IMap pMap, IGeometricNetwork pGeometricNet, IPointCollection pCollection, double pDisc)
{
INetElements pNetElements = pGeometricNet.Network as INetElements;
int pCount = pCollection.PointCount;
IJunctionFlag[] pJunctionFlags = new JunctionFlagClass[pCount];
IPointToEID pPointToEID = new PointToEIDClass();
pPointToEID.SourceMap = pMap;
pPointToEID.GeometricNetwork = pGeometricNet;
//从输入点找最近节点的距离阈值
pPointToEID.SnapTolerance = pDisc;
for (int i = 0; i < pCount; i++)
{
INetFlag pNetFlag = new JunctionFlagClass();
IPoint pEdgePoint = pCollection.get_Point(i);
#region 查找输入点最近的节点的ID
int nearestJunctionID;
IPoint locationPoint;
int userClassID;
int userID;
int userSubID;
pPointToEID.GetNearestJunction(pEdgePoint, out nearestJunctionID, out locationPoint);
pNetElements.QueryIDs(nearestJunctionID, esriElementType.esriETJunction, out userClassID, out userID, out userSubID);
#endregion
//设置网络旗帜的节点的ID
pNetFlag.UserClassID = userClassID;
pNetFlag.UserID = userID;
pNetFlag.UserSubID = userSubID;
//节点旗帜
IJunctionFlag pJuncF = pNetFlag as IJunctionFlag;
//添加
pJunctionFlags[i] = pJuncF;
}
return(pJunctionFlags);
}
public static void UpStreamTrace(AxMapControl ppAxMapControl, IPoint pPoint, IGeometricNetwork pGeoNetwork)
{
try
{
//�����ͼ��ѡ��
ppAxMapControl.ActiveView.FocusMap.ClearSelection();
INetElements pNetElements = pGeoNetwork.Network as INetElements;
IPointToEID pPtToEID = new PointToEIDClass();
int pJunctionID = 0;
int iUserClassID;
int iUserID;
int iUserSubID;
IPoint pLocation;
pPtToEID.SourceMap = ppAxMapControl.ActiveView.FocusMap;
pPtToEID.GeometricNetwork = pGeoNetwork;
pPtToEID.SnapTolerance = ppAxMapControl.ActiveView.Extent.Envelope.Width / 100;
pPtToEID.GetNearestJunction(pPoint, out pJunctionID, out pLocation);
if (pJunctionID == 0)
{
MessageBox.Show("û�в������ٽ��ĵ�");
}
else
{
pNetElements.QueryIDs(pJunctionID, esriElementType.esriETJunction, out iUserClassID, out iUserID, out iUserSubID);
INetFlag ipNetFlag = new JunctionFlagClass();
ipNetFlag.UserClassID = iUserClassID;
ipNetFlag.UserID = iUserID;
ipNetFlag.UserSubID = iUserSubID;
IMarkerSymbol pMarkerSym = new SimpleMarkerSymbolClass();
IRgbColor pRGBColor = new RgbColorClass();
pRGBColor.Red = 255;
pRGBColor.Green = 0;
pRGBColor.Blue = 0;
pMarkerSym.Color = pRGBColor;
pMarkerSym.Size = 20;
//�����µ�Flag
IEdgeFlagDisplay pEdgeFlagDisplay = new EdgeFlagDisplayClass();
IFlagDisplay pFlagDisplay = pEdgeFlagDisplay as IFlagDisplay;
pFlagDisplay.Symbol = pMarkerSym as ISymbol;
pFlagDisplay.Geometry = pLocation;
pFlagDisplay.FeatureClassID = iUserClassID;
pFlagDisplay.FID = iUserID;
pFlagDisplay.SubID = iUserSubID;
//���Ƹõ�
IScreenDisplay pScreenDisplay = ppAxMapControl.ActiveView.ScreenDisplay;
pScreenDisplay.StartDrawing(pScreenDisplay.hDC, 0);
pScreenDisplay.SetSymbol(pMarkerSym as ISymbol);
pScreenDisplay.DrawPoint(pLocation as IGeometry);
pScreenDisplay.FinishDrawing();
//�����ٽ��
FindStreamTraceResult(ppAxMapControl, ipNetFlag, pGeoNetwork);
}
}
catch (Exception eX)
{
MessageBox.Show(eX.Message);
}
}
//////////////////////////////////�����������ǰ���ý����С��
public static void ProfileSetJunctionFlag(AxMapControl ppAxMapControl, ref IArray pNetFlagArray, IPoint pPoint, IGeometricNetwork pGeoNetwork)
{
try
{
//�����ͼ��ѡ��
ppAxMapControl.ActiveView.FocusMap.ClearSelection();
INetElements pNetElements = pGeoNetwork.Network as INetElements;
IPointToEID pPtToEID = new PointToEIDClass();
int pJunctionID = 0;
int iUserClassID;
int iUserID;
int iUserSubID;
IPoint pLocation;
pPtToEID.SourceMap = ppAxMapControl.ActiveView.FocusMap;
pPtToEID.GeometricNetwork = pGeoNetwork;
pPtToEID.SnapTolerance = ppAxMapControl.ActiveView.Extent.Envelope.Width / 100;
pPtToEID.GetNearestJunction(pPoint, out pJunctionID, out pLocation);
if (pJunctionID == 0)
{
MessageBox.Show("û�в������ٽ��ĵ�");
}
else
{
pNetElements.QueryIDs(pJunctionID, esriElementType.esriETJunction, out iUserClassID, out iUserID, out iUserSubID);
INetFlag ipNetFlag = new JunctionFlagClass();
ipNetFlag.UserClassID = iUserClassID;
ipNetFlag.UserID = iUserID;
ipNetFlag.UserSubID = iUserSubID;
IMarkerSymbol pMarkerSym = new SimpleMarkerSymbolClass();
IRgbColor pRGBColor = new RgbColorClass();
pRGBColor.Red = 255;
pRGBColor.Green = 0;
pRGBColor.Blue = 0;
pMarkerSym.Color = pRGBColor;
pMarkerSym.Size = 20;
//���Ƹõ�
IScreenDisplay pScreenDisplay = ppAxMapControl.ActiveView.ScreenDisplay;
pScreenDisplay.StartDrawing(pScreenDisplay.hDC, 0);
pScreenDisplay.SetSymbol(pMarkerSym as ISymbol);
pScreenDisplay.DrawPoint(pLocation);
pScreenDisplay.FinishDrawing();
if (pLocation != null)
{
pNetFlagArray.Add(ipNetFlag);
}
if (pNetFlagArray.Count == 2)
{
//�����ٽ��
ProfileFindPath(ppAxMapControl, pNetFlagArray, pGeoNetwork);
}
}
}
catch (Exception eX)
{
MessageBox.Show(eX.Message);
}
}
public static void CalculateFlowAccumAtLocation(List<FlowLayerDetails> sumFlowAcc, IApplication app, double snapTol)
{
IMap pMap = null;
IFeatureLayer pFLayer = null;
IFeatureCursor pFCursor = null;
IFeature pFeature = null;
IPointToEID pPointToEid = null;
string retAcc = "";
int lSumFieldLoc;
int lEID;
IPoint pSnappedPoint = null;
INetElements pNetElements = null;
try
{
if (app == null)
return;
pMap = ((app.Document as IMxDocument).FocusMap);
if (pMap == null)
return;
if (sumFlowAcc == null)
MessageBox.Show(A4LGSharedFunctions.Localizer.GetString("GeoNetToolsError_20c"));
if (sumFlowAcc.Count == 0)
MessageBox.Show(A4LGSharedFunctions.Localizer.GetString("GeoNetToolsError_20c"));
bool flowCalced = false;
foreach (FlowLayerDetails sumAcc in sumFlowAcc)
{
if (flowCalced == true)
break;
bool boolFoundAsLayer = true;
pFLayer = Globals.FindLayer(app, sumAcc.LayerName, ref boolFoundAsLayer) as IFeatureLayer;
if (pFLayer == null)
{
//MessageBox.Show(sumAcc.LayerName + " feature layer not found.\nAny selected features in this layer will be analyzed for acculmuation.");
continue;
}
if (pFLayer.FeatureClass == null)
{
MessageBox.Show(sumAcc.LayerName + A4LGSharedFunctions.Localizer.GetString("GeoNetToolsError_20a"));
continue;
}
lSumFieldLoc = pFLayer.FeatureClass.Fields.FindField(sumAcc.SumFlowField);
if (lSumFieldLoc == -1)
{
MessageBox.Show(sumAcc.LayerName + A4LGSharedFunctions.Localizer.GetString("GeoNetToolsError_20b") + sumAcc.SumFlowField + A4LGSharedFunctions.Localizer.GetString("GeoNetToolsError_20e"));
return;
}
lEID = -1;
//Convert pixcel search distance to real world (map units)
//dRWSearchTolerance = c_iSearchTolerance;
//Find the closest network junction element to the user specified point
pPointToEid = new PointToEIDClass();
pPointToEid.GeometricNetwork = ((INetworkClass)pFLayer.FeatureClass).GeometricNetwork;
pPointToEid.SourceMap = pMap;
pPointToEid.SnapTolerance = snapTol;
bool bTest = false;
if (pFLayer.FeatureClass.ShapeType == esriGeometryType.esriGeometryPolyline || pFLayer.FeatureClass.ShapeType == esriGeometryType.esriGeometryLine)
{
double dblPercAlong = 0;
pPointToEid.GetNearestEdge((app.Document as IMxDocument).CurrentLocation, out lEID, out pSnappedPoint, out dblPercAlong);
if (pSnappedPoint == null)
continue;
if (lEID == 0)
continue;
//Get the complete id for the network element
pNetElements = (((INetworkClass)pFLayer.FeatureClass).GeometricNetwork.Network) as INetElements;
bTest = pNetElements.IsValidElement(lEID, esriElementType.esriETEdge);
pFeature = Globals.GetFeatureByEID(lEID, ((INetworkClass)pFLayer.FeatureClass).GeometricNetwork, pMap, esriElementType.esriETEdge);
}
else if (pFLayer.FeatureClass.ShapeType == esriGeometryType.esriGeometryPoint)
{
pPointToEid.GetNearestJunction((app.Document as IMxDocument).CurrentLocation, out lEID, out pSnappedPoint);
if (pSnappedPoint == null)
continue;
if (lEID == 0)
continue;
//Get the complete id for the network element
pNetElements = (((INetworkClass)pFLayer.FeatureClass).GeometricNetwork.Network) as INetElements;
bTest = pNetElements.IsValidElement(lEID, esriElementType.esriETJunction);
pFeature = Globals.GetFeatureByEID(lEID, ((INetworkClass)pFLayer.FeatureClass).GeometricNetwork, pMap, esriElementType.esriETJunction);
}
if (bTest && pFeature != null)
{
retAcc = Globals.ReturnAccumulation(ref app, ref pFeature, sumAcc.WeightName, sumAcc.FlowDirection);
if (Globals.IsNumeric(retAcc))
{
MessageBox.Show(A4LGSharedFunctions.Localizer.GetString("GeoNetToolsMess_20b") + pFeature.OID + A4LGSharedFunctions.Localizer.GetString("In") + pFLayer.Name + A4LGSharedFunctions.Localizer.GetString("Is") + retAcc + ".");
//pFeature.set_Value(lSumFieldLoc, retAcc);
//pFeature.Store();
}
}
flowCalced =true;
}
if (flowCalced == false)
MessageBox.Show(A4LGSharedFunctions.Localizer.GetString("GeoNetToolsError_20f"));
}
catch (Exception ex)
{
MessageBox.Show(A4LGSharedFunctions.Localizer.GetString("ErrorInThe") + A4LGSharedFunctions.Localizer.GetString("GeoNetToolsLbl_20a") + "\n" + ex.Message);
}
finally
{
pMap = null;
pFLayer = null;
if (pFCursor != null)
Marshal.ReleaseComObject(pFCursor);
pFCursor = null;
pFeature = null;
pSnappedPoint = null;
pNetElements = null;
}
}
private void StartAnalysis(IFeature feature)
{
if (feature.FeatureType != esriFeatureType.esriFTSimpleJunction)
{
MessageService.Current.Warn("请选择管线点");
return;
}
if (!_pipelineConfig.IsPipelineLayer(feature.Class.AliasName, enumPipelineDataType.Point))
{
MessageService.Current.Warn("请选择管线点");
return;
}
double snapDist = CommonUtils.ConvertPixelsToMapUnits(_context.ActiveView,
_context.Config.SnapTolerance);
IBasicLayerInfo lineConfig =
_plugin.PipeConfig.GetBasicLayerInfo(feature.Class as IFeatureClass) as IBasicLayerInfo;
if (this._startPoint == null && _startEid == 0)
{
//开始记录起始点
IPipelineLayer oldLayer = _pipelineConfig.GetPipelineLayer(feature.Class.AliasName,
enumPipelineDataType.Point);
if (oldLayer == null)
{
MessageService.Current.Warn("你选择的图层不是合法的管线图层!");
return;
}
List <IBasicLayerInfo> basicInfos = oldLayer.GetLayers(enumPipelineDataType.Junction);
IFeatureClass featureClass = basicInfos.Count > 0 ? basicInfos[0].FeatureClass : null;
if (featureClass == null)
{
MessageService.Current.Warn("管线图层没有构建网络图层!");
return;
}
INetworkClass networkClass = featureClass as INetworkClass;
_geometricNetwork = networkClass.GeometricNetwork;
IPointToEID pnToEid = new PointToEIDClass();
pnToEid.GeometricNetwork = _geometricNetwork;
pnToEid.SnapTolerance = snapDist;
pnToEid.SourceMap = _context.FocusMap;
pnToEid.GetNearestJunction(feature.Shape as IPoint, out _startEid, out _startPoint);
return;
}
IPipelineLayer newLayer = _pipelineConfig.GetPipelineLayer(feature.Class.AliasName,
enumPipelineDataType.Point);
if (newLayer == null)
{
MessageService.Current.Warn("你选择的图层不是合法的管线图层!");
return;
}
List <IBasicLayerInfo> basicInfos1 = newLayer.GetLayers(enumPipelineDataType.Junction);
IFeatureClass featureClass2 = basicInfos1.Count > 0 ? basicInfos1[0].FeatureClass : null;
if (featureClass2 == null)
{
MessageService.Current.Warn("第二个管线图层没有构建网络图层!");
return;
}
INetworkClass networkClass2 = featureClass2 as INetworkClass;
if (networkClass2.GeometricNetwork != _geometricNetwork)
{
if (MessageService.Current.Ask("两个点位属于不同的网络图层，使用第二个网络图层作为分析图层吗?") == false)
{
return;
}
_geometricNetwork = networkClass2.GeometricNetwork;
IPointToEID pnToEid = new PointToEIDClass();
pnToEid.GeometricNetwork = _geometricNetwork;
pnToEid.SnapTolerance = snapDist;
pnToEid.SourceMap = _context.FocusMap;
pnToEid.GetNearestJunction(feature.Shape as IPoint, out _startEid, out _startPoint);
return;
}
try
{
IPointToEID pntEid = new PointToEIDClass();
pntEid.GeometricNetwork = _geometricNetwork;
pntEid.SourceMap = _context.FocusMap;
pntEid.SnapTolerance = snapDist;
pntEid.GetNearestJunction(feature.Shape as IPoint, out _endEid, out _endPoint);
if (_endEid < 1)
{
MessageService.Current.Warn("未能找到第二个分析点!");
return;
}
if (_startEid == _endEid)
{
MessageService.Current.Warn("起点终点为同一个点!");
return;
}
INetElements netElements = _geometricNetwork.Network as INetElements;
INetworkClass networkClass = feature.Class as INetworkClass;
IJunctionFlag[] array = new JunctionFlag[2];
INetFlag netFlag = new JunctionFlag() as INetFlag;
int userClassID;
int userID;
int userSubID;
netElements.QueryIDs(_endEid, esriElementType.esriETJunction, out userClassID, out userID, out userSubID);
netFlag.UserClassID = (userClassID);
netFlag.UserID = (userID);
netFlag.UserSubID = (userSubID);
IJunctionFlag value = netFlag as IJunctionFlag;
array.SetValue(value, 0);
INetFlag netFlag2 = new JunctionFlag() as INetFlag;
netElements.QueryIDs(_startEid, esriElementType.esriETJunction, out userClassID,
out userID, out userSubID);
netFlag2.UserClassID = (userClassID);
netFlag2.UserID = (userID);
netFlag2.UserSubID = (userSubID);
value = (netFlag2 as IJunctionFlag);
array.SetValue(value, 1);
ITraceFlowSolverGEN traceFlowSolverGEN = new TraceFlowSolver() as ITraceFlowSolverGEN;
INetSolver netSolver = traceFlowSolverGEN as INetSolver;
netSolver.SourceNetwork = _geometricNetwork.Network;
traceFlowSolverGEN.PutJunctionOrigins(ref array);
object[] array2 = new object[1];
IEnumNetEID enumNetEID;
IEnumNetEID enumNetEID2;
traceFlowSolverGEN.FindPath((esriFlowMethod)2, (esriShortestPathObjFn)1, out enumNetEID,
out enumNetEID2, 1, ref array2);
if (this.ipolyline_0 == null)
{
this.ipolyline_0 = new Polyline() as IPolyline;
}
IGeometryCollection geometryCollection = this.ipolyline_0 as IGeometryCollection;
geometryCollection.RemoveGeometries(0, geometryCollection.GeometryCount);
if (enumNetEID2.Count <= 0)
{
this.ifeature_0 = null;
MessageBox.Show("两点之间不存在路径可以连通！");
}
else
{
ShowShortObjectForm showShortObjectForm = new ShowShortObjectForm(_context);
showShortObjectForm.pApp = _context;
ISpatialReference spatialReference = _context.FocusMap.SpatialReference;
IEIDHelper eIDHelperClass = new EIDHelper();
eIDHelperClass.GeometricNetwork = (networkClass.GeometricNetwork);
eIDHelperClass.OutputSpatialReference = (spatialReference);
eIDHelperClass.ReturnGeometries = (true);
eIDHelperClass.ReturnFeatures = (true);
IEnumEIDInfo enumEIDInfo = eIDHelperClass.CreateEnumEIDInfo(enumNetEID2);
int count = enumEIDInfo.Count;
enumEIDInfo.Reset();
for (int i = 0; i < count; i++)
{
IEIDInfo iEIDInfo = enumEIDInfo.Next();
IGeometry geometry = iEIDInfo.Geometry;
if (i == 0)
{
showShortObjectForm.AddPipeName(this.string_0);
}
showShortObjectForm.AddFeature(iEIDInfo.Feature);
geometryCollection.AddGeometryCollection(geometry as IGeometryCollection);
}
showShortObjectForm.AddShortPath(this.ipolyline_0);
showShortObjectForm.AddLenght(this.ipolyline_0.Length);
this.ifeature_2 = feature;
EsriUtils.ZoomToGeometry(this.ipolyline_0, _context.MapControl.Map, 1.3);
FlashUtility.FlashGeometry(this.ipolyline_0, _context.MapControl);
this.ifeature_0 = null;
_startEid = 0;
_startPoint = null;
_geometricNetwork = null;
showShortObjectForm.Show();
}
}
catch (Exception ex)
{
this.ifeature_0 = null;
MessageBox.Show(ex.Message);
}
}