public void OffsetEarth2014()
{
var coor = new HealCoor {
Latitude = -89.9917, Longitude = -179.9917
};
Assert.AreEqual(0, coor.Offset());
var allRecords = 10800 * 21600; // 233280000;
coor = new HealCoor {
Latitude = 0, Longitude = 0
};
// not accurate transforming
Assert.AreEqual(allRecords / 2d, coor.Offset(), 11000);
// not accurate transforming
coor = new HealCoor {
Latitude = 89.9917, Longitude = 179.9917
};
Assert.AreEqual(allRecords - 1, coor.Offset());
}
public int GetAltitude(HealCoor place)
{
var position = place.Offset(_accuracyMin) * 2;
int a, b;
if (_readAllAtStart)
{
a = _buf[position];
b = _buf[position + 1];
}
else
{
_stream.Position = position;
a = _stream.ReadByte();
b = _stream.ReadByte();
}
var int16 = (ushort)(a << 8) + b;
if (a >= 0x80)
{
return(-((int16 ^ 0xffff) + 1));
}
return(int16);
}