/// <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);
}
}
private void SetGeoLine3DToTrackingLayer(Point2Ds point2Ds, Int32 count)
{
Int32 index = scontrol.Scene.TrackingLayer.IndexOf("line");
GeoCardinal geoCardinal = new GeoCardinal(point2Ds);
GeoLine geoLine = geoCardinal.ConvertToLine(count);
if (m_geoLine3D.Length > 0)
{
m_geoLine3D.RemovePart(0);
}
m_geoLine3D.AddPart(ConvertPoint2DsToPoint3Ds(geoLine[0]));
if (index > 0)
{
scontrol.Scene.TrackingLayer.Set(index, m_geoLine3D);
}
else
{
scontrol.Scene.TrackingLayer.Add(m_geoLine3D, "line");
}
}
/// <summary>
/// 获取两点之间的距离
/// </summary>
/// <param name="point3D1"></param>
/// <param name="point3D2"></param>
/// <returns></returns>
public double GetLengthBy2Point(Point3D point3D1, Point3D point3D2)
{
double tempR = 0.0;
GeoLine3D tempL = new GeoLine3D();
Point3Ds temp3Ds = new Point3Ds();
temp3Ds.Add(point3D1);
temp3Ds.Add(point3D2);
tempL.AddPart(temp3Ds);
tempR = Geometrist.ComputeLength(tempL, new PrjCoordSys(PrjCoordSysType.EarthLongitudeLatitude));
return tempR == 0.0 ? 10000.0 : tempR;
}