/// <summary>
/// also sets Colors
///
/// good to override InitAltitudes(...) but seems not possible
/// </summary>
internal void InitPoints(Point2[] pixels, bool isGrey)
{
ColorsManager colorsManager = null;
switch (_map.Projection)
{
case Projection.Healpix:
case Projection.Healpix2Equirectangular: /*mean min, nax will be calculated later */
colorsManager = InitAltitudes(ApproxMan.Pixels, isGrey);
break;
case Projection.Equirectangular: /*min and max may not be precalculated*/
double?min = MinDefault, max = MaxDefault;
if (min == null || max == null)
{
// slow?
var pix = (from pixel in pixels
select new HealCoor(Equirectangular.CoorFromXY(pixel, _map.YResolution, HealpixManager))
).ToArray();
colorsManager = InitAltitudes(pix, isGrey);
}
break;
}
colorsManager.SetScales(_map.ColorsAbove, _map.ColorsUnder);
}