private void ShowClickedNodeInfo(TreeNode nodeClicked, bool doFlash)
{
if (nodeClicked == null)
{
//初始化树型显示窗口
InitializeAttributesList();
return;
}
//获取点击点对应的要素
int nodeLevel = nodeClicked.Level;
//获取点击的是图层还是图层下的要素
//若featureIndex < 0则表示点击的是图层,闪烁图层下选中的所有要素
//反之，则表示点击的是图层下的要素，获取图层索引和要素索引，
//用于在结果列表中安索引获取要素或要素集属性
int layerIndex = -1;
int featureIndex = -1;
if (nodeLevel > 0)
{
TreeNode parentNode = nodeClicked.Parent;
layerIndex = parentNode.Index;
featureIndex = nodeClicked.Index;
}
else
{
layerIndex = nodeClicked.Index;
}
//获取对应要素
LayerIdentifiedResult layerResult = identifiedResultsList[layerIndex];
//点击了图层下的要素
if (featureIndex > -1)
{
IFeatureIdentifyObj identifyObjDefault = layerResult.IdentifiedFeatureObjList[featureIndex];
IFeature featureDefault = (identifyObjDefault as IRowIdentifyObject).Row as IFeature;
//显示属性
ShowFeatureAttributes(featureDefault);
DisplayCoordinates(featureDefault.Shape);
if (ZoomToShape)
{
EsriUtils.ZoomToGeometry(featureDefault.Shape, _context.MapControl.Map, 2);
if (doFlash)
{
FlashUtility.FlashGeometry(featureDefault.Shape, _context.MapControl);
}
}
}
//点击了图层，同时闪烁图层下的所有要素图形
else
{
//flashObjects.FlashObjects(layerResult);
}
}
private void cardView1_FocusedRowChanged(object sender,
DevExpress.XtraGrid.Views.Base.FocusedRowChangedEventArgs e)
{
DataRow row = cardView1.GetDataRow(e.FocusedRowHandle);
if (row["要素"] == null)
{
return;
}
IGeometry geometry = row["要素"] as IGeometry;
if (ZoomToShape)
{
EsriUtils.ZoomToGeometry(geometry, _map, 2);
FlashUtility.FlashGeometry(geometry, _context.MapControl);
}
}
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);
}
}