//! 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);
}
