private void drawTempLine(INetworkRoute route)
{
// 画出停靠点到映射点的虚线
int segmentCount = route.SegmentCount;
INetworkRouteSegment segment = null;
INetworkLocation startLocation = null;
INetworkLocation endLocation = null;
IPoint pointOnNetwork = null;
ICurveSymbol tmpLineSym = new CurveSymbol();
tmpLineSym.Color = System.Drawing.Color.Yellow;
tmpLineSym.Width = -2;
for (int i = 0; i < segmentCount; i++)
{
segment = route.GetSegment(i);
startLocation = segment.StartLocation;
pointOnNetwork = startLocation.NetworkPosition;
fdepoint = startLocation.Position;
IPolyline tmpLine = geoFac.CreateGeometry(gviGeometryType.gviGeometryPolyline, gviVertexAttribute.gviVertexAttributeZ) as IPolyline;
tmpLine.AppendPoint(fdepoint);
tmpLine.AppendPoint(pointOnNetwork);
tmpRenderLineArray.Add(this.axRenderControl1.ObjectManager.CreateRenderPolyline(tmpLine, tmpLineSym, rootId));
if (i == segmentCount - 1)
{
endLocation = segment.EndLocation;
pointOnNetwork = endLocation.NetworkPosition;
fdepoint = endLocation.Position;
tmpLine = geoFac.CreateGeometry(gviGeometryType.gviGeometryPolyline, gviVertexAttribute.gviVertexAttributeZ) as IPolyline;
tmpLine.AppendPoint(fdepoint);
tmpLine.AppendPoint(pointOnNetwork);
tmpRenderLineArray.Add(this.axRenderControl1.ObjectManager.CreateRenderPolyline(tmpLine, tmpLineSym, rootId));
}
}
}
private void btnBuildRoute_Click(object sender, System.EventArgs e)
{
clear();
this.axRenderControl1.RcMouseClickSelect -= new _IRenderControlEvents_RcMouseClickSelectEventHandler(axRenderControl1_RcMouseClickSelect);
this.axRenderControl1.InteractMode = gviInteractMode.gviInteractNormal;
switch (cbOrderPolicy.SelectedIndex)
{
case 0:
routeSolver.LocationOrderPolicy = gviNetworkLocationOrderPolicy.gviSequence;
break;
case 1:
routeSolver.LocationOrderPolicy = gviNetworkLocationOrderPolicy.gviFixStart;
break;
case 2:
routeSolver.LocationOrderPolicy = gviNetworkLocationOrderPolicy.gviFixStartAndReturn;
break;
case 3:
routeSolver.LocationOrderPolicy = gviNetworkLocationOrderPolicy.gviFixStartEnd;
break;
case 4:
routeSolver.LocationOrderPolicy = gviNetworkLocationOrderPolicy.gviFree;
break;
}
if (routeSolver.Solve())
{
INetworkRoute route = routeSolver.GetRoute();
if (route != null)
{
ICurveSymbol lineSym = new CurveSymbol();
lineSym.Color = System.Drawing.Color.Yellow;
lineSym.Width = -2;
IGeometry geo = route.GetRouteGeometry();
if (geo.GeometryType == gviGeometryType.gviGeometryPolyline)
{
IPolyline line = geo as IPolyline;
renderLine = this.axRenderControl1.ObjectManager.CreateRenderPolyline(line, lineSym, rootId);
renderLine.MaxVisibleDistance = 10000;
}
else if (geo.GeometryType == gviGeometryType.gviGeometryMultiPolyline)
{
IMultiPolyline line = geo as IMultiPolyline;
multiRenderLine = this.axRenderControl1.ObjectManager.CreateRenderMultiPolyline(line, lineSym, rootId);
multiRenderLine.MaxVisibleDistance = 10000;
}
btnNavigate.Enabled = true;
drawTempLine(route);
}
}
else
{
MessageBox.Show("查找路径失败");
}
}
private void btnFindWC_Click(object sender, EventArgs e)
{
clear();
clearDeep();
IFdeCursor cursor = null;
try
{
if (closestFacilitySolver == null)
{
closestFacilitySolver = network.CreateClosestFacilitySolver();
closestFacilitySolver.ImpedanceAttributeName = "Length";
}
closestFacilitySolver.LocationSearchTolerance = double.Parse(txtSearchTolerance.Text);
closestFacilitySolver.ClearFacilityLocations();
closestFacilitySolver.ClearEventLocations();
// 添加WC设施点
foreach (IFeatureClass fc in fcMap_POI.Keys)
{
if (fc.Name.Contains("WC"))
{
cursor = fc.Search(null, true);
IRowBuffer row = null;
while ((row = cursor.NextRow()) != null)
{
try
{
INetworkLocation facility = new NetworkLocation();
int pos = row.FieldIndex("Geometry");
IPoint point = row.GetValue(pos) as IPoint;
facility.Position = point;
facility.Name = fc.Guid.ToString() + "_" + row.GetValue(0).ToString(); //设定名字"fcGUID_oid"
closestFacilitySolver.AddFacilityLocation(facility);
}
catch (COMException ex)
{
}
}
break;
}
}
if (closestFacilitySolver.FacilityLocationCount == 0)
{
MessageBox.Show("添加的厕所数为0，请调整LocationSearchTolerance大小");
return;
}
// 添加人所在的位置
INetworkEventLocation location = new NetworkEventLocation();
this.axRenderControl1.Camera.GetCamera2(out fdepoint, out ang);
location.Position = fdepoint;
location.Name = "I'mHere";
location.TargetFacilityCount = int.Parse(txtMaxNum.Text);
location.SetCutoff("Length", double.Parse(txtCutoff.Text));
closestFacilitySolver.AddEventLocation(location);
// 可视化人的位置
IImagePointSymbol ips = new ImagePointSymbol();
ips.ImageName = "#(i)";
ips.Size = 50;
renderPoint = this.axRenderControl1.ObjectManager.CreateRenderPoint(fdepoint, ips, rootId);
if (closestFacilitySolver.Solve())
{
int routeCount = closestFacilitySolver.RouteCount;
if (routeCount == 0)
{
MessageBox.Show("没有厕所在指定范围内");
return;
}
for (int i = 0; i < routeCount; i++)
{
INetworkRoute route = closestFacilitySolver.GetRoute(i);
if (route != null)
{
// 可视化线路
ICurveSymbol lineSym = new CurveSymbol();
lineSym.Color = System.Drawing.Color.Yellow;
lineSym.Width = -2;
IGeometry geo = route.GetRouteGeometry();
if (geo.GeometryType == gviGeometryType.gviGeometryPolyline)
{
IPolyline line = geo as IPolyline;
renderLine = this.axRenderControl1.ObjectManager.CreateRenderPolyline(line, lineSym, rootId);
renderLine.MaxVisibleDistance = 10000;
renderLineArray.Add(renderLine);
}
else if (geo.GeometryType == gviGeometryType.gviGeometryMultiPolyline)
{
IMultiPolyline line = geo as IMultiPolyline;
multiRenderLine = this.axRenderControl1.ObjectManager.CreateRenderMultiPolyline(line, lineSym, rootId);
multiRenderLine.MaxVisibleDistance = 10000;
multiRenderLineArray.Add(multiRenderLine);
}
drawTempLine(route);
// 高亮厕所
int segmentCount = route.SegmentCount;
for (int j = 0; j < segmentCount; j++)
{
INetworkLocation endLocation = route.GetSegment(j).EndLocation;
string[] strs = endLocation.Name.Split('_');
foreach (IFeatureClass fc in fcMap_POI.Keys)
{
if (fc.Guid.ToString() == strs[0])
{
this.axRenderControl1.FeatureManager.HighlightFeature(fc, int.Parse(strs[1]), System.Drawing.Color.Yellow);
break;
}
}
//////////////////////测试NetworkElement相关//////////////////////////////////
INetworkElementCollection elementCols = route.GetSegment(j).GetNetworkElements();
for (int c = 0; c < elementCols.Count; c++)
{
INetworkElement element = elementCols.Get(c);
if (element.Type == gviNetworkElementType.gviEdge)
{
INetworkEdge edge = element as INetworkEdge;
int subId = edge.SubID;
}
else
{
INetworkJunction junction = element as INetworkJunction;
INetworkEdgeCollection edgeCol = junction.IncomingEdges;
for (int ee = 0; ee < edgeCol.Count; ee++)
{
INetworkEdge edge = edgeCol.Get(ee);
int subId = edge.SubID;
}
}
}
//////////////////////////////////////////////////////////////////////////
}
}
}
}
else
{
MessageBox.Show("查找失败");
}
}
catch (COMException ex)
{
MessageBox.Show(ex.Message);
}
finally
{
if (cursor != null)
{
//Marshal.ReleaseComObject(cursor);
cursor = null;
}
}
}
