String[] strsIdTloAll = GfrWrpBasTopSynEclPlcs.getInstance().getIdsTlo();
if (strsIdTloAll == null || strsIdTloAll.length < 1)
return bln;
LatLon llnMin = alt.get(0);
LatLon llnMax = alt.get(1);
for (String strIdCur : strsIdTloAll)
{
Position posCur = GfrWrpBasSynObjNameTloEclPlc.getInstance().getGeometry(strIdCur);