void processEphemeris( gpstk::EngEphemeris engEph,
gpstk::EphemerisPages ephPages )
{
// Construct a BELogEntry and see if it already exists in the
// map for the PRN. If it does, we already stored this one,
// move on. If not, convert the information to Block 109 and
// Block 9 and write it out.
BELogEntry curBELog( engEph );
unsigned long key = curBELog.getKey();
pair<long,BELogEntry> qnode(key,curBELog);
bool needToOutput = false;
PrnBELogMap::iterator pmap = prnBEmap.find( engEph.getPRNID() );
// May need to add this PRN to the map.
if (pmap==prnBEmap.end())
{
pair<long,BELogEntry> qnode(key,curBELog);
BELogMap blm;
blm.insert(qnode);
pair<int,BELogMap> pnode( (int) engEph.getPRNID(), blm);
prnBEmap.insert( pnode );
needToOutput = true;
}
else
{
BELogMap& blmr = pmap->second;
BELogMap::iterator iBLM = blmr.find( key );
if (iBLM==blmr.end())
{
pair<long,BELogEntry> qnode(key,curBELog);
blmr.insert(qnode);
needToOutput = true;
}
else
{
BELogEntry& ble = iBLM->second;
ble.increment();
}
}
if (needToOutput)
{
EphemerisPages::const_iterator MDPsf[4];
MDPsf[1] = ephPages.find(1);
MDPsf[2] = ephPages.find(2);
MDPsf[3] = ephPages.find(3);
FICData109 new109( engEph.getPRNID(),
MDPsf[1]->second.subframe,
MDPsf[2]->second.subframe,
MDPsf[3]->second.subframe );
FICData9 new9( new109, engEph );
FICOutput << new109;
FICOutput << new9;
}
}
BELogEntry::BELogEntry( const gpstk::EngEphemeris ee )
{
HOWSF1 = ee.getTransmitTime();
Toe = ee.getEpochTime();
PRN_ID = ee.getPRNID();
IODC = ee.getIODC();
count = 1;
long shortweek = (long) ee.getFullWeek();
shortweek &= 0x0000001F;
long sixteenSecCount = long (Toe.GPSsow() / 16.0);
// The purpose of the key is to enable placing these objects
// into SV-specific maps ordered by
// Primary :week
// Secondary :SOW
// Tertiary: IODC
// The latter (IODC) is actually only a part of the key so as to
// enforce uniqueness
key = shortweek << 26 |
sixteenSecCount << 10 | IODC;
}