public override double?GetAltitude(HealCoor basin)
{
var altitude = Relief.GetAltitude(basin);
if (altitude == 0)
{
altitude = ReliefBed.GetAltitude(basin);
}
return(altitude);
}
public override double?GetAltitude(HealCoor basin)
{
var surface = Relief.GetAltitude(basin);
if (surface > 0)
{
// lakes in ice are ignored
return(1);
}
return(0);
}
public override double?GetAltitude(HealCoor basin)
{
var altitude = Relief.GetAltitude(basin);
var altitudeShape = ReliefBed.GetAltitude(basin) + Earth2014Manager.Radius2Add;
var thetaTan = Math.Tan(basin.Beta.Value); /* may be out of range */
var undulation = altitudeShape - altitude
- Ellipsoid.Radius(Ellipsoid.CalcVarPhi(thetaTan));
return(undulation);
}
public override double?GetAltitude(HealCoor basin)
{
var surface = Relief.GetAltitude(basin);
if (surface > 0)
{
_landPixelsCount++;
}
var middle = HealpixManager.Npix / 2d;
return(Math.Abs(basin.P - middle) <= middle * _percentageOfLand / 100d ? 1 : 0);
}