protected override void OnUpdate()
{
// by default, disable the command
Enabled = false;
// if there is not a current edit session, then disable the command
if (m_editorExt.EditState != esriEditState.esriStateEditing)
{
return;
}
// otherwise, check to see if the flow direction is properly set for each edge EID
IUtilityNetwork utilNet = GetCurrentNetwork() as IUtilityNetwork;
IEnumNetEID edgeEIDs = GetCurrentEIDs(esriElementType.esriETEdge);
edgeEIDs.Reset();
for (int i = 0; i < edgeEIDs.Count; i++)
{
int edgeEID = edgeEIDs.Next();
esriFlowDirection flowDir = utilNet.GetFlowDirection(edgeEID);
if (flowDir != esriFlowDirection.esriFDWithFlow)
{
// enable the command if the flow direction is not with the digitized direction
Enabled = true;
// we can return right now, since only one edge needs to have
// incorrect flow direction in order to enable the command
return;
}
}
}
public void ShowFlow(IActiveView ipAV)
{
if (this.m_pPointcol != null)
{
double num = 4.0 * Math.Atan(1.0);
IScreenDisplay screenDisplay = ipAV.ScreenDisplay;
screenDisplay.StartDrawing(0, 0);
IMarkerSymbol determinateFolwArrow = NetworkAnalyst.m_pFlowSymbol.DeterminateFolwArrow as IMarkerSymbol;
for (int i = 0; i < this.m_pPointcol.PointCount; i++)
{
esriFlowDirection direction = (esriFlowDirection)this.m_eFlowDirection[i];
if (direction == esriFlowDirection.esriFDWithFlow)
{
determinateFolwArrow.Angle = (180.0 * ((double)this.m_angle[i])) / num;
screenDisplay.SetSymbol(determinateFolwArrow as ISymbol);
}
else if (direction == esriFlowDirection.esriFDAgainstFlow)
{
determinateFolwArrow.Angle = ((180.0 * ((double)this.m_angle[i])) / num) + 180.0;
screenDisplay.SetSymbol(determinateFolwArrow as ISymbol);
}
else if (direction == esriFlowDirection.esriFDIndeterminate)
{
screenDisplay.SetSymbol(NetworkAnalyst.m_pFlowSymbol.IndeterminateFolwArrow);
}
else
{
screenDisplay.SetSymbol(NetworkAnalyst.m_pFlowSymbol.UninitializedFolwArrow);
}
IPoint point = this.m_pPointcol.get_Point(i);
screenDisplay.DrawPoint(point);
}
screenDisplay.FinishDrawing();
}
}
private void method_6(IGeometricNetwork geometricNetwork)
{
INetwork network = geometricNetwork.Network;
IUtilityNetwork utilityNetwork = (IUtilityNetwork)network;
IEnumNetEID enumNetEID = network.CreateNetBrowser((esriElementType)2);
IEIDHelper eIDHelperClass = new EIDHelper();
eIDHelperClass.GeometricNetwork = (geometricNetwork);
eIDHelperClass.DisplayEnvelope = (null);
eIDHelperClass.OutputSpatialReference = (null);
eIDHelperClass.ReturnFeatures = (false);
eIDHelperClass.ReturnGeometries = (true);
eIDHelperClass.PartialComplexEdgeGeometry = (true);
IEnumEIDInfo enumEIDInfo = eIDHelperClass.CreateEnumEIDInfo(enumNetEID);
enumEIDInfo.Reset();
long num = (long)enumEIDInfo.Count;
int num2 = 0;
while ((long)num2 < num)
{
IEIDInfo iEIDInfo = enumEIDInfo.Next();
int eID = iEIDInfo.EID;
IGeometry geometry = iEIDInfo.Geometry;
esriFlowDirection esriFlowDirection = this.method_7(geometry);
utilityNetwork.SetFlowDirection(eID, esriFlowDirection);
num2++;
}
}
private void DrawFlowDirection(IFeature feature, IMapControlDefault mapc, esriFlowDirection flowdir)
{
//获取线段中点
IPolyline polyline = feature.Shape as IPolyline;
IPoint midpoint = new PointClass();
polyline.QueryPoint(esriSegmentExtension.esriNoExtension, polyline.Length / 2, false, midpoint);
//绘制特征符号
IArrowMarkerSymbol arrowSymbol = new ArrowMarkerSymbolClass();
ISimpleMarkerSymbol markerSymbol = new SimpleMarkerSymbolClass();
IElement element = null;
//绘制沿顺着数字化流向
if (flowdir == esriFlowDirection.esriFDWithFlow)
{
arrowSymbol.Size = 12;
arrowSymbol.Color = ExportMap.Getcolor(0, 0, 0);
arrowSymbol.Angle = GetlineAngle(polyline.FromPoint, polyline.ToPoint);
//绘制
element = new MarkerElementClass();
element.Geometry = midpoint;
((IMarkerElement)element).Symbol = arrowSymbol;
//设置绘制元素名称
((IElementProperties)element).Name = "Flow";
}
//方向顺着逆数字化的
if (flowdir == esriFlowDirection.esriFDAgainstFlow)
{
arrowSymbol.Size = 12;
arrowSymbol.Color = ExportMap.Getcolor(0, 0, 0);
arrowSymbol.Angle = GetlineAngle(polyline.FromPoint, polyline.ToPoint);
//绘制
element = new MarkerElementClass();
element.Geometry = midpoint;
((IMarkerElement)element).Symbol = arrowSymbol;
//设置绘制元素名称
((IElementProperties)element).Name = "Flow";
}
//方向未初始化的
if (flowdir == esriFlowDirection.esriFDUninitialized)
{
markerSymbol.Color = ExportMap.Getcolor(0, 0, 0);
markerSymbol.Size = 8;
element = new MarkerElementClass();
element.Geometry = midpoint;
((IMarkerElement)element).Symbol = markerSymbol;
//设置绘制元素名称
((IElementProperties)element).Name = "Flow";
}
//方向未定义的
if (flowdir == esriFlowDirection.esriFDIndeterminate)
{
markerSymbol.Color = ExportMap.Getcolor(0, 0, 0);
markerSymbol.Size = 8;
element = new MarkerElementClass();
element.Geometry = midpoint;
((IMarkerElement)element).Symbol = markerSymbol;
//设置绘制元素名称
((IElementProperties)element).Name = "Flow";
}
mapc.ActiveView.GraphicsContainer.AddElement(element, 0);
}
public override void OnMouseDown(int button, int shift, int x, int y, double mapX, double mapY)
{
DF2DApplication app = DF2DApplication.Application;
IGraphicsContainer gc = app.Current2DMapControl.Map as IGraphicsContainer;
gc.DeleteAllElements();
bool ready = true;
if (app == null || app.Current2DMapControl == null)
{
return;
}
m_ActiveView = app.Current2DMapControl.ActiveView;
IScreenDisplay m_Display = app.Current2DMapControl.ActiveView.ScreenDisplay;
try
{
if (button == 1)
{
ISimpleLineSymbol pLineSym = new SimpleLineSymbol();
IRgbColor pColor = new RgbColorClass();
pColor.Red = 255;
pColor.Green = 255;
pColor.Blue = 0;
pLineSym.Color = pColor;
pLineSym.Style = esriSimpleLineStyle.esriSLSSolid;
pLineSym.Width = 2;
ISimpleFillSymbol pFillSym = new SimpleFillSymbol();
pFillSym.Color = pColor;
pFillSym.Style = esriSimpleFillStyle.esriSFSDiagonalCross;
pFillSym.Outline = pLineSym;
object symbol = pFillSym as object;
IRubberBand band = new RubberRectangularPolygonClass();
IGeometry geo = band.TrackNew(m_Display, null);
app.Current2DMapControl.DrawShape(geo, ref symbol);
WaitForm.Start("正在查询...", "请稍后");
if (geo.IsEmpty)
{
IPoint searchPoint = new PointClass();
searchPoint.PutCoords(mapX, mapY);
geo = PublicFunction.DoBuffer(searchPoint, PublicFunction.ConvertPixelsToMapUnits(m_ActiveView, GlobalValue.System_Selection_Option().Tolerate));
//m_ActiveView.FocusMap.SelectByShape(geo, s, false);
}
if (ready)
{
foreach (MajorClass mc in LogicDataStructureManage2D.Instance.GetAllMajorClass())
{
if (mc.Alias == "电力" || mc.Alias == "通信" || mc.Alias == "架空")
{
continue;
}
string[] arrFc2DId = mc.Fc2D.Split(';');
if (arrFc2DId == null)
{
continue;
}
foreach (SubClass sc in mc.SubClasses)
{
if (!sc.Visible2D)
{
continue;
}
foreach (string fc2DId in arrFc2DId)
{
DF2DFeatureClass dffc = DF2DFeatureClassManager.Instance.GetFeatureClassByID(fc2DId);
if (dffc == null)
{
continue;
}
FacilityClass facc = dffc.GetFacilityClass();
IFeatureClass fc = dffc.GetFeatureClass();
if (fc == null || facc == null || facc.Name != "PipeLine")
{
continue;
}
DFDataConfig.Class.FieldInfo fiDirection = facc.GetFieldInfoBySystemName("FlowDirection");
if (fiDirection == null)
{
continue;
}
IFields pFields = fc.Fields;
//string[] name = new string[pFields.FieldCount];
//for (int i = 0; i < pFields.FieldCount; i++)
//{
// name[i] = pFields.get_Field(i).Name;
//}
int indexDirection = pFields.FindField(fiDirection.Name);
if (indexDirection < 0)
{
continue;
}
IField pField = pFields.get_Field(indexDirection);
ISpatialFilter filter = new SpatialFilter();
filter.Geometry = geo;
filter.SubFields = pField.Name;
filter.WhereClause = mc.ClassifyField + " = '" + sc.Name + "'";
filter.SpatialRel = esriSpatialRelEnum.esriSpatialRelIntersects;
if (fc == null || geo == null)
{
return;
}
IFeatureCursor pFeatureCursor = null;
IFeature pFeature = null;
try
{
pFeatureCursor = fc.Search(filter, false);
esriFlowDirection flowDirection = new esriFlowDirection();
while ((pFeature = pFeatureCursor.NextFeature()) != null)
{
object tempobj = pFeature.get_Value(indexDirection);
int dtemp;
if (tempobj != null && Int32.TryParse(tempobj.ToString(), out dtemp))
{
switch (dtemp)
{
case 0:
flowDirection = esriFlowDirection.esriFDWithFlow;
break;
case 1:
flowDirection = esriFlowDirection.esriFDAgainstFlow;
break;
}
}
else
{
flowDirection = esriFlowDirection.esriFDIndeterminate;
}
IPolyline polyline = pFeature.Shape as IPolyline;
IPoint middlePoint = new PointClass();
polyline.QueryPoint(esriSegmentExtension.esriNoExtension, polyline.Length / 2, false, middlePoint);
IArrowMarkerSymbol arrowMarkerSymbol = new ArrowMarkerSymbolClass();
ISimpleMarkerSymbol simpleMarkerSymbol = new SimpleMarkerSymbolClass();
IElement element = null;
if (flowDirection == esriFlowDirection.esriFDWithFlow)
{
arrowMarkerSymbol.Angle = GetLineAngleFrom2Points(polyline.FromPoint, polyline.ToPoint);
arrowMarkerSymbol.Color = GetColorByRGBValue(0, 0, 0);
arrowMarkerSymbol.Size = 12;
element = new MarkerElementClass();
element.Geometry = middlePoint;
((IMarkerElement)element).Symbol = arrowMarkerSymbol;
((IElementProperties)element).Name = "Flow";
}
else if (flowDirection == esriFlowDirection.esriFDAgainstFlow)
{
simpleMarkerSymbol.Angle = GetLineAngleFrom2Points(polyline.ToPoint, polyline.FromPoint);
arrowMarkerSymbol.Color = GetColorByRGBValue(0, 0, 0);
arrowMarkerSymbol.Size = 12;
element = new MarkerElementClass();
element.Geometry = middlePoint;
((IMarkerElement)element).Symbol = arrowMarkerSymbol;
((IElementProperties)element).Name = "Flow";
}
else if (flowDirection == esriFlowDirection.esriFDIndeterminate)
{
simpleMarkerSymbol.Color = GetColorByRGBValue(0, 0, 0);
simpleMarkerSymbol.Size = 8;
element = new MarkerElementClass();
element.Geometry = middlePoint;
((IMarkerElement)element).Symbol = simpleMarkerSymbol;
((IElementProperties)element).Name = "Flow";
}
else
{
simpleMarkerSymbol.Color = GetColorByRGBValue(255, 0, 0);
simpleMarkerSymbol.Size = 8;
element = new MarkerElementClass();
element.Geometry = middlePoint;
((IMarkerElement)element).Symbol = simpleMarkerSymbol;
((IElementProperties)element).Name = "Flow";
}
gc.AddElement(element, 0);
}
}
catch (System.Exception ex)
{
}
}
}
}
WaitForm.Stop();
app.Current2DMapControl.ActiveView.Refresh();
}
}
}
catch (System.Exception ex)
{
}
}
