public utmpos(PointLatLngAlt pos)
{
double[] dd = pos.ToUTM();
this.x = dd[0];
this.y = dd[1];
this.zone = pos.GetUTMZone();
this.Tag = null;
}
double[] convertCoords(PointLatLngAlt plla)
{
if (utmzone < -360)
{
utmzone = plla.GetUTMZone();
}
var utm = plla.ToUTM(utmzone);
Array.Resize(ref utm, 3);
utm[2] = plla.Alt;
return(utm);
}
double[] convertCoords(PointLatLngAlt plla)
{
if (utmzone != plla.GetUTMZone())
{
utmzone = plla.GetUTMZone();
utmcenter = plla.ToUTM(utmzone);
textureid.ForEach(a => a.Value.Cleanup());
textureid.Clear();
}
var utm = plla.ToUTM(utmzone);
Array.Resize(ref utm, 3);
utm[0] -= utmcenter[0];
utm[1] -= utmcenter[1];
utm[2] = plla.Alt;
return(new[] { utm[0], utm[1], utm[2] });
}
double[] convertCoords(PointLatLngAlt plla)
{
if (utmzone < -360)
{
utmzone = plla.GetUTMZone();
}
var minlat = (int)plla.Lat - 1;
var maxlat = (int)plla.Lat + 1;
var minlng = (int)plla.Lng - 1;
var maxlng = (int)plla.Lng + 1;
var id = maxlat * 1e10 + minlng;
var diagdist = 0.0;
if (!coordcache.ContainsKey(id))
{
diagdist = new PointLatLngAlt(maxlat, minlng).GetDistance(new PointLatLngAlt(minlat, maxlng));
coordcache[id] = diagdist;
}
else
{
diagdist = coordcache[id];
}
var lat = MathHelper.map(plla.Lat, minlat, maxlat, 0, diagdist);
var lng = MathHelper.map(plla.Lng, minlng, maxlng, 0, diagdist);
//var utm = plla.ToUTM(utmzone);
//Array.Resize(ref utm, 3);
//utm[2] = plla.Alt;
return(new[] { lng, lat, plla.Alt });
}
