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Ref T261, improved value classes

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This commit is contained in:
Klaus Basan
2018-05-04 22:19:32 +02:00
committed by Roland Winklmeier
parent ab0c34b16a
commit eb815ab987
12 changed files with 158 additions and 21 deletions
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38
src/blackmisc/aviation/aircrafticaocode.cpp
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@@ -198,11 +198,14 @@ namespace BlackMisc
return score;
}
void CAircraftIcaoCode::guessModelParameters(CLength &guessedCG, CSpeed &guessedLiftOffGs) const
void CAircraftIcaoCode::guessModelParameters(CLength &guessedCGOut, CSpeed &guessedVRotateOut) const
{
// we do not override values
if (!guessedCGOut.isNull() && !guessedVRotateOut.isNull()) { return; }
// init to defaults
CLength guessedCG_ = CLength(1.5, CLengthUnit::m());
CSpeed guessedLiftOffGs_ = this->isVtol() ? CSpeed::null() : CSpeed(70, CSpeedUnit::km_h());
CLength guessedCG = CLength(1.5, CLengthUnit::m());
CSpeed guessedVRotate = this->isVtol() ? CSpeed::null() : CSpeed(70, CSpeedUnit::km_h());
const int engines = this->getEnginesCount();
const QChar engineType = this->getEngineType()[0].toUpper();
@@ -210,31 +213,38 @@ namespace BlackMisc
{
if (engines == 1)
{
if (engineType == 'T') { guessedCG_ = CLength(2.0, CLengthUnit::m()); break; }
if (engineType == 'T') { guessedCG = CLength(2.0, CLengthUnit::m()); break; }
}
else if (engines == 2)
{
guessedCG_ = CLength(2.0, CLengthUnit::m());
guessedLiftOffGs_ = CSpeed(80, CSpeedUnit::kts());
if (engineType == 'T') { guessedCG_ = CLength(2.0, CLengthUnit::m()); break; }
if (engineType == 'J') { guessedCG_ = CLength(2.5, CLengthUnit::m()); break; }
guessedCG = CLength(2.0, CLengthUnit::m());
guessedVRotate = CSpeed(100, CSpeedUnit::kts());
if (engineType == 'T') { guessedCG = CLength(2.0, CLengthUnit::m()); break; }
if (engineType == 'J')
{
// a B737 has VR 105-160kts
guessedVRotate = CSpeed(120, CSpeedUnit::kts());
guessedCG = CLength(2.5, CLengthUnit::m());
break;
}
}
else if (engines > 2)
{
guessedCG_ = CLength(4.0, CLengthUnit::m());
guessedLiftOffGs_ = CSpeed(70, CSpeedUnit::kts());
guessedCG = CLength(4.0, CLengthUnit::m());
guessedVRotate = CSpeed(70, CSpeedUnit::kts());
if (engineType == 'J')
{
guessedCG_ = CLength(6.0, CLengthUnit::m());
guessedLiftOffGs_ = CSpeed(100, CSpeedUnit::kts());
// A typical B747 has VR around 160kts
guessedCG = CLength(6.0, CLengthUnit::m());
guessedVRotate = CSpeed(140, CSpeedUnit::kts());
break;
}
}
}
while (false);
if (!guessedCG_.isNull()) { guessedCG = guessedCG_; }
if (!guessedLiftOffGs_.isNull()) { guessedLiftOffGs = guessedLiftOffGs_; }
if (guessedCGOut.isNull()) { guessedCGOut = guessedCG; }
if (guessedVRotateOut.isNull()) { guessedVRotateOut = guessedVRotate; }
}
bool CAircraftIcaoCode::isNull() const