V3f
direction (const Box2i &dataWindow, const V2f &pixelPosition)
{
V2f ll = latLong (dataWindow, pixelPosition);
return V3f (sin (ll.y) * cos (ll.x),
sin (ll.x),
cos (ll.y) * cos (ll.x));
}
GeographyPointValue(const S2Point &s2Point)
: m_latitude(nullCoord())
, m_longitude(nullCoord())
{
assert(!s2Point.IsNaN());
S2LatLng latLong(s2Point);
m_latitude = latLong.lat().degrees();
m_longitude = latLong.lng().degrees();
assert (m_latitude >= -90.0 && m_latitude <= 90.0);
assert (m_longitude >= -180.0 && m_longitude <= 180.0);
}
V2f
pixelPosition (const Box2i &dataWindow, const V3f &direction)
{
return pixelPosition (dataWindow, latLong (direction));
}