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Fix bug #236, tower elevation was wrong with custom-scenery-data.

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This commit is contained in:
James Turner 2011-01-03 21:26:09 +00:00
parent 4b873d974e
commit 7ab8c72cf1
1 changed files with 7 additions and 3 deletions
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10
src/Airports/simple.cxx
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@ -456,9 +456,13 @@ void FGAirport::readTowerData(SGPropertyNode* aRoot)
SGPropertyNode* twrNode = aRoot->getChild("tower")->getChild("twr");
double lat = twrNode->getDoubleValue("lat"),
lon = twrNode->getDoubleValue("lon"),
elevM = twrNode->getDoubleValue("elev-m");
_tower_location = SGGeod::fromDegM(lon, lat, elevM);
elevM = twrNode->getDoubleValue("elev-m");
// tower elevation is AGL, not AMSL. Since we don't want to depend on the
// scenery for a precise terrain elevation, we use the field elevation
// (this is also what the apt.dat code does)
double fieldElevationM = geod().getElevationM();
_tower_location = SGGeod::fromDegM(lon, lat, fieldElevationM + elevM);
}
bool FGAirport::buildApproach(Waypt* aEnroute, STAR* aSTAR, FGRunway* aRwy, WayptVec& aRoute)