private void m_wndClearTimer_Tick(object sender, EventArgs e)
{
// 查找需要清除的目标
DateTime now = DateTime.Now;
TimeSpan tenMinutes = new TimeSpan(0, 20, 0);
List <int> removeKeys = new List <int>();
foreach (AISTarget target in m_AISCollection.Values)
{
if ((now - target.UpdateTime) >= tenMinutes)
{
removeKeys.Add(target.MMSI);
}
}
// 开展清除工作
foreach (int mmsi in removeKeys)
{
AISTarget target = null;
if (m_AISCollection.TryGetValue(mmsi, out target) && (target != null))
{
m_AISCollection.Remove(mmsi);
m_wndAISList.Items.Remove(target.ListItem);
}
}
}
//! 上报新的ARPA目标数据
/*!
* \param dwArpaID：ARPA目标ID
* \return ARPA数据是否进入统计列表
* \remark 上报新的ARPA目标数据
*/
bool ReportSensorArpa(long dwArpaID)
{
bool bResult = false;
target radarTarget = null;
AISTarget aisTarget = null;
m_np.m_dicTargetCollection.TryGetValue(dwArpaID, out radarTarget);
if (radarTarget == null)
{
return(false);
}
int nIndex = -1;
nIndex = FindUnionAisTarget(dwArpaID, UNION_STATE_SENSOR, UNION_ASSCI | UNION_DISASSCI);
if (nIndex != -1)
{
m_np.m_AISCollection.TryGetValue((int)dwArpaID, out aisTarget);
if (aisTarget != null)
{
bResult = TryUnionTarget(aisTarget, radarTarget, UNION_STATE_SENSOR, nIndex);
}
}
else
{
float fMinRng = 926 * 1.0f;
long dwMinRngID = -1;
foreach (var item in m_np.m_AISCollection)
{
if (FindUnionArpaTarget(item.Value.MMSI, UNION_STATE_SENSOR, UNION_ASSCI | UNION_DISASSCI) != -1)
{
continue;
}
tagTARGET_DIFF stTargetDiff = new tagTARGET_DIFF();
if (RetCurState(aisTarget, radarTarget, stTargetDiff) == UNION_ASSCI)
{
if (stTargetDiff.fRngDiff < fMinRng)
{
fMinRng = stTargetDiff.fRngDiff;
dwMinRngID = item.Value.MMSI;
}
}
if (dwMinRngID != -1)
{
m_np.m_AISCollection.TryGetValue((int)dwMinRngID, out aisTarget);
bResult = TryUnionTarget(aisTarget, radarTarget, UNION_STATE_SENSOR, nIndex);
}
}
}
return(true);
}
//! 计算AIS和ARPA数据，返回瞬时状态
/*!
* \param lpAisTarget：AIS目标指针
* \param lpArpaTarget：Arpa目标指针
* \return 瞬时状态
* \remark 计算AIS和ARPA数据，返回瞬时状态
*/
int RetCurState(AISTarget lpAisTarget, target lpArpaTarget, tagTARGET_DIFF lpTargetDiff)
{
int nCurState = UNION_DISASSCI;
float fRangeDist = 0.0f;
float fBearDiff = 0.0f;
float fCourseDist = 0.0f;
float fSpeedDist = 0.0f;
double dAisLat = 0.0, dAisLon = 0.0, dArpaLat = 0.0, dArpaLon = 0.0;
float fAisSpd = 0.0f, fAisCrs = 0.0f, fArpaSpd = 0.0f, fArpaCrs = 0.0f;
// 比较ais与arpa目标的距离、速度的偏差
double dDistance = 0;
dDistance = CommonFunctions.GetDistance(lpAisTarget.Latitude, lpAisTarget.Longitude, lpArpaTarget.Latitude, lpArpaTarget.Longitude);
dDistance *= NM;
fRangeDist = (float)dDistance;
fSpeedDist = (float)Math.Abs((lpAisTarget.Speed - lpArpaTarget.Speed));
//if (fAisSpd < NM && fArpaSpd < NM)
//{
// fCourseDist = 0.0f;
//}
//if (fCourseDist > 180)
//{
// fCourseDist = 360 - fCourseDist;
//}
if (lpTargetDiff != null)
{
lpTargetDiff.fRngDiff = fRangeDist;
lpTargetDiff.fSpdDiff = fSpeedDist;
}
if (fRangeDist < NM && fSpeedDist < 1000)
{
// 瞬时状态为强联合
nCurState = UNION_ASSCI;
}
else
{
// 瞬时状态为分离
nCurState = UNION_DISASSCI;
}
return(nCurState);
}
/// <summary>
/// 更新位置
/// </summary>
private void UpdatePosition(int mmsi, double latitude, double longitude, double speed, double course, double heading)
{
if (this.InvokeRequired)
{
Delegate method = new UpdatePositionHandler(UpdatePosition);
this.Invoke(method, new object[] { mmsi, latitude, longitude, speed, course, heading });
return;
}
AISTarget target = null;
if (m_AISCollection.TryGetValue(mmsi, out target))
{
// 更新现有数据项
target.Latitude = latitude;
target.Longitude = longitude;
target.Speed = speed;
target.Course = course;
target.Heading = heading;
}
else
{
// 新增新数据项
target = new AISTarget();
target.MMSI = mmsi;
target.Latitude = latitude;
target.Longitude = longitude;
target.Speed = speed;
target.Course = course;
target.Heading = heading;
// 添加到集合中
m_AISCollection.Add(mmsi, target);
target.ListItem = new System.Windows.Forms.ListViewItem(mmsi.ToString());
target.ListItem.SubItems.AddRange(new string[] { "***", "***", "***", "***", "***", "***", "***", "***" });
m_wndAISList.Items.Add(target.ListItem);
}
if (target != null)
{
target.UpdateTime = DateTime.Now;
// 更新显示
target.UpdateContent();
}
}
/// <summary>
/// 更新静态信息
/// </summary>
private void UpdateData(int mmsi, string name, string callSign, string destination)
{
if (this.InvokeRequired)
{
Delegate method = new UpdateDataHandler(UpdateData);
this.Invoke(method, new object[] { mmsi, name, callSign, destination });
return;
}
AISTarget target = null;
if (m_AISCollection.TryGetValue(mmsi, out target))
{
// 更新现有数据项
target.Name = name;
target.CallSign = callSign;
target.Destination = destination;
}
else
{
// 新增新数据项
target = new AISTarget();
target.MMSI = mmsi;
target.Name = name;
target.CallSign = callSign;
target.Destination = destination;
// 添加到集合中
m_AISCollection.Add(mmsi, target);
target.ListItem = new System.Windows.Forms.ListViewItem(mmsi.ToString());
target.ListItem.SubItems.AddRange(new string[] { "***", "***", "***", "***", "***", "***", "***", "***" });
m_wndAISList.Items.Add(target.ListItem);
}
if (target != null)
{
target.UpdateTime = DateTime.Now;
// 更新显示
target.UpdateContent();
}
}
//! 尝试将AIS和ARPA目标对放进入统计列表
/*!
* \param lpAisTarget：AIS目标指针
* \param lpArpaTarget：ARPA目标指针
* \return 是否成功将AIS和ARPA目标对放入统计列表
* \remark
*/
bool TryUnionTarget(AISTarget lpAisTarget, target lpArpaTarget, long dwUnionState, int nIndex)
{
bool bResult = false;
if (lpAisTarget == null || lpArpaTarget == null)
{
return(bResult);
}
float fCourse = 0.0f, fSpeed = 0.0f;
tagCOMBINE_TGT stCmbTgt1 = new tagCOMBINE_TGT();
tagCOMBINE_TGT stCmbTgt2 = new tagCOMBINE_TGT();
tagCOMBINE_TGT stCmbTgtRet = new tagCOMBINE_TGT();
int nCurState = RetCurState(lpAisTarget, lpArpaTarget, null);
if (nIndex == -1)
{
// 只有同时满足瞬时状态为UNION_ASSCI，统计列表未到上限，AIS和ARPA任何一个都未被联合才能进入联合统计列表
if ((nCurState == UNION_ASSCI) && (m_vectUnion.Count() < MAX_UNION_SIZE))
{
tagTARGET_UNION stTargetUnion = new tagTARGET_UNION();
stTargetUnion.dwAisID = lpAisTarget.MMSI;
stTargetUnion.dwArpaID = lpArpaTarget.targetID;
stTargetUnion.dwUnionStat = dwUnionState;
//stTargetUnion.dUnionRng = stCmbTgtRet.dRange;
//stTargetUnion.dUnionAzi = stCmbTgtRet.dAzimuth;
//stTargetUnion.dUnionTSpd = stCmbTgtRet.dTSpeed;
//stTargetUnion.dUnionTCrs = stCmbTgtRet.dTCourse;
stTargetUnion.dUnionTSpd = lpAisTarget.Speed;
stTargetUnion.dUnionTCrs = lpAisTarget.Course;
{
double dCurLat = 0.0, dCurLon = 0.0;
//dCurLat = g_EFPSDataManager.GetCurLat();
//dCurLon = g_EFPSDataManager.GetCurLon();
//GeoFunc::RefPos2GeoPos(dCurLat, dCurLon, stTargetUnion.dUnionAzi, MToNM(stTargetUnion.dUnionRng), stTargetUnion.dUnionLat, stTargetUnion.dUnionLon);
}
stTargetUnion.ResetState(UNION_DISASSCI);
stTargetUnion.ReportOnce(nCurState);
m_vectUnion.Add(stTargetUnion);
bResult = true;
}
}
else
{
int nState = m_vectUnion[nIndex].ReportOnce(nCurState);
tagTARGET_UNION lpTargetUnion = m_vectUnion[nIndex];
if (nCurState == UNION_ASSCI)
{
lpTargetUnion.dUnionTSpd = lpAisTarget.Speed;
lpTargetUnion.dUnionTCrs = lpAisTarget.Course;
}
else
{
}
switch (nState)
{
case UNION_ASSCI:
break;
case UNION_DISASSCI:
break;
case UNION_BREAK:
m_vectUnion.RemoveAt(nIndex);
break;
}
bResult = true;
}
return(bResult);
}
//! 设置需要统计的AIS和ARPA列表
/*!
* \param lpAisTgtList：指向AIS列表指针
* \param lpArpaTgtList：指向ARPA列表指针
* \return None
* \remark 设置需要统计的AIS和ARPA列表
*/
void SetAisArpaTgtList(AISTarget lpAisTgtList, target lpArpaTgtList)
{
}
