public APoint3D ToPoint3D(APoint p)
{
if (p.X < 0 || p.Y < 0)
{
}
var y = Math.Sin(__Lat);
y = (1.0 + y) / (1.0 - y);
y = 0.5 * Math.Log(y);
var k = (int)(0.5 * y * __Width / Math.PI);
y = Math.PI * (2.0 * (p.Y - k) - __height) / __Width;
y = Math.Exp(2 * y);
y = (y - 1) / (y + 1);
var cos2 = Math.Sqrt(1.0 - y * y);
var theta1 = __Lng - 0.5 * Math.PI + Math.PI * (2.0 * p.X - __Width) / __Width;
return new APoint3D(Math.Cos(theta1) * cos2, y, -Math.Sin(theta1) * cos2);
}
public bool Equals(APoint p)
{
return X == p.X && Y == p.Y;
}
private UColor[,] MainGen(
CancellationToken token, // token for canceling
int x, int y, int w, int h, // local generation
int width, int height, // Generation original size
double seed,
ProjectionType projection,
double seaLevel = 0,
double lng = 0, double lat = 0
)
{
__TmpImage = new UColor[w, h];
__StartGenPos = new APoint(x, y);
__EndGenPos = new APoint(x + w, y + h);
__CancellationToken = token;
__GenerationWidth = w;
__GenerationHeigth = h;
__Shades = new byte[w, h];
Width = width;
Height = height;
__Lng = lng;
__Lat = lat;
if (__Lng > 180)
__Lng -= 360;
__Lng = __Lng * DEG2_RAD;
__Lat = __Lat * DEG2_RAD;
__SLat = Math.Sin(__Lat);
__CLat = Math.Cos(__Lat);
__SLng = Math.Sin(__Lng);
__CLng = Math.Cos(__Lng);
switch (projection)
{
case ProjectionType.Mercator:
Mercator();
break;
case ProjectionType.Peter:
Peter();
break;
case ProjectionType.Square:
Squarep();
break;
//case ProjectionType.Mollweide:
// mollweide();
// break;
//case ProjectionType.Sinusoid:
// Sinusoid();
// break;
case ProjectionType.Stereo:
Stereo();
break;
case ProjectionType.Orthographic:
Orthographic();
break;
//case ProjectionType.Gnomonic:
// Gnomonic();
// break;
//case ProjectionType.Icosahedral:
// Icosahedral();
// break;
//case ProjectionType.Azimuth:
// Azimuth();
// break;
//case ProjectionType.Conical:
// Conical();
// break;
//case ProjectionType.Heightfield:
// Heightfield();
// break;
default:
throw new NotImplementedException(projection.ToString());
}
if (__CancellationToken.IsCancellationRequested)
return null;
if (__ShadeType != ShadeType.None)
{
SmoothShades();
for (int _y = 0; _y < __GenerationHeigth; _y++)
{
for (int _x = 0; _x < __GenerationWidth; _x++)
{
var s = __Shades[_x, _y];
var uc = __TmpImage[_x, _y];
if (s != 255)
{
__TmpImage[_x, _y] = ReturnFuckngColor(
uc.A,
(s * uc.R / 150),
(s * uc.G / 150),
(s * uc.B / 150)
);
}
}
}
}
return __TmpImage;
}
