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Change to WeatherCM so that it doesn't triger an floating point exception

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when queried for too low (i.e. < -1000 meters) altitudes. So now there's
now valid weather information for altitudes below -500 meters sea level.
This commit is contained in:
curt 2001-12-10 22:39:05 +00:00
parent 07c61a2243
commit de1c8ef06e
1 changed files with 7 additions and 3 deletions
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10
src/WeatherCM/FGLocalWeatherDatabase.cpp
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@ -76,8 +76,6 @@ void FGLocalWeatherDatabase::init( const WeatherPrecision visibility,
const DatabaseWorkingType type,
const string &root )
{
FGPhysicalProperties f[2]; //make an standard weather that's the same at the whole world
cerr << "Initializing FGLocalWeatherDatabase\n";
cerr << "-----------------------------------\n";
@ -197,6 +195,7 @@ void FGLocalWeatherDatabase::init( const WeatherPrecision visibility,
double x[2] = {0.0, 0.0}; //make an standard weather that's the same at the whole world
double y[2] = {0.0, 0.0}; //make an standard weather that's the same at the whole world
double z[2] = {1.0, -1.0}; //make an standard weather that's the same at the whole world
FGPhysicalProperties f[2]; //make an standard weather that's the same at the whole world
database = new SphereInterpolate<FGPhysicalProperties>(2,x,y,z,f);
}
break;
@ -262,7 +261,12 @@ void FGLocalWeatherDatabase::update(const sgVec3& p, const WeatherPrecision dt)
/****************************************************************************/
FGPhysicalProperty FGLocalWeatherDatabase::get(const sgVec3& p) const
{
return FGPhysicalProperty(database->Evaluate(p), p[2]);
// check for bogous altitudes. Dunno why, but FGFS want's to know the
// weather at an altitude of roughly -3000 meters...
if (p[2] < -500.0f)
return FGPhysicalProperty(database->Evaluate(p), -500.0f);
return FGPhysicalProperty(database->Evaluate(p), p[2]);
}
#ifdef macintosh