/// <summary>
/// 进行最短路径分析。
/// Optimal path analysis
/// </summary>
/// <returns></returns>
public bool Analyst()
{
try
{
m_count = 0;
TransportationAnalystParameter parameter = new TransportationAnalystParameter();
// 设置障碍点及障碍边
// Set barrier nodes and edges
int[] barrierEdges = new int[m_barrierEdges.Count];
for (int i = 0; i < barrierEdges.Length; i++)
{
barrierEdges[i] = m_barrierEdges[i];
}
parameter.BarrierEdges = barrierEdges;
int[] barrierNodes = new int[m_barrierNodes.Count];
for (int i = 0; i < barrierNodes.Length; i++)
{
barrierNodes[i] = m_barrierNodes[i];
}
parameter.BarrierNodes = barrierNodes;
parameter.WeightName = "length";
// 设置最佳路径分析的返回对象
// Set the return object of the optimal path analysis
parameter.Points = m_Points;
parameter.IsNodesReturn = true;
parameter.IsEdgesReturn = true;
parameter.IsPathGuidesReturn = true;
parameter.IsRoutesReturn = true;
// 进行分析并显示结果
// Analyze
m_result = m_analyst.FindPath(parameter, false);
if (m_result == null)
{
if (SuperMap.Data.Environment.CurrentCulture != "zh-CN")
{
MessageBox.Show("Failed");
}
else
{
MessageBox.Show("分析失败");
}
return(false);
}
ShowResult();
FillDataGridView(0);
m_selectMode = SelectMode.None;
return(true);
}
catch (Exception e)
{
Trace.WriteLine(e.Message);
return(false);
}
}
/// <summary>
/// 进行网络分析分析
/// </summary>
public void BeginNetworkAnalyst()
{
try
{
mAnalystResult = mAnalyst.FindTSPPath(mAnalystParameter, false);
if (mAnalystResult != null)
{
int[][] EdgeId = new int[mAnalystResult.Edges.Length][];
//拿到交错数组中第一行元素ID
int[] IDedge = new int[mAnalystResult.Edges[0].Length];
for (int i = 0; i < IDedge.Length; i++)
{
IDedge[i] = mAnalystResult.Edges[0][i];
}
//拿到弧段ID后查询路名
string[] RodeName = new string[IDedge.Length];
Recordset recordset = null;
for (int i = 0; i < IDedge.Length; i++)
{
recordset = mRodeNetWork.Query("SmID =" + IDedge[i], CursorType.Static);
RodeName[i] = recordset.GetFieldValue("RodeName").ToString().Trim();
mRodeTotalLength += Convert.ToInt32(recordset.GetFieldValue("SmLength"));
}
//编辑路名显示形式
string mStartRode = "起点→";
string mNewRode = null;
for (int i = 0; i < RodeName.Length; i++)
{
if (i == 0)
{
mNewRode = mStartRode.Insert(mStartRode.Length, RodeName[i] + "→");
}
else
{
mNewRode = mNewRode.Insert(mNewRode.Length, RodeName[i] + "→");
}
}
mTextBoxRodeName = mNewRode + "终点";
}
GeoLine line = mAnalystResult.Routes[0].ConvertToLine();
if (mLine3D == null)
{
mLine3D = new GeoLine3D();
}
for (Int32 i = 0; i < line.PartCount; i++)
{
mLine3D.AddPart(line[i].ToPoint3Ds());
}
mLine3D[0].Insert(0, new Point3D(mStartPoint.X, mStartPoint.Y, 0));
mLine3D[0].Add(new Point3D(mEndPoint.X, mEndPoint.Y, 0));
DisplayFlyRoute();
}
catch (Exception ex)
{
Trace.WriteLine(ex.Message);
}
}
/// <summary>
/// 开始分析。
/// Analyze
/// </summary>
public void StartAnalyst()
{
try
{
int index = m_trackingLayer.IndexOf("route");
if (index != -1)
{
m_trackingLayer.Remove(index);
}
m_mapControl.Map.Refresh();
TransportationAnalystParameter parameter = new TransportationAnalystParameter();
// 设置设施点
// Set facilities
int[] facilityNodes = new int[m_nodesList.Count];
for (int i = 0; i < facilityNodes.Length; i++)
{
facilityNodes[i] = m_nodesList[i];
}
parameter.Nodes = facilityNodes;
parameter.WeightName = "length";
parameter.IsEdgesReturn = true;
parameter.IsNodesReturn = true;
parameter.IsRoutesReturn = true;
parameter.IsPathGuidesReturn = true;
// 设置障碍点及障碍边
// Set barrier nodes and edges
int[] barrierEdges = new int[m_barrierEdges.Count];
for (int i = 0; i < barrierEdges.Length; i++)
{
barrierEdges[i] = m_barrierEdges[i];
}
parameter.BarrierEdges = barrierEdges;
int[] barrierNodes = new int[m_barrierNodes.Count];
for (int i = 0; i < barrierNodes.Length; i++)
{
barrierNodes[i] = m_barrierNodes[i];
}
parameter.BarrierNodes = barrierNodes;
// 进行分析，这里设置查找设施点的数量为1
// The facility number here is 1
m_analystResult = m_analyst.FindClosestFacility(parameter,
m_eventNode, 1, true, 0);
if (m_analystResult == null)
{
if (SuperMap.Data.Environment.CurrentCulture != "zh-CN")
{
MessageBox.Show("Failed");
}
else
{
MessageBox.Show("分析失败");
}
return;
}
else
{
ShowResult();
FillResultTable(0);
}
}
catch (Exception ex)
{
Trace.WriteLine(ex.Message);
}
}