internal static double CalculateSquareDistance(CoordPoint a, CoordPoint b)
{
double dx = b.GetX() - a.GetX();
double dy = b.GetY() - a.GetY();
return(dx * dx + dy * dy);
}
void UpdateClip(double width)
{
CoordPoint newSplit = this.map.ScreenPointToCoordPoint(new Point(width, 0));
double splitLongitude = newSplit.GetX();
this.left.Bounds = new CoordPointCollection()
{
new GeoPoint(-90, -180),
new GeoPoint(90, -180),
new GeoPoint(90, splitLongitude),
new GeoPoint(-90, splitLongitude)
};
this.right.Bounds = new CoordPointCollection()
{
new GeoPoint(-90, 180),
new GeoPoint(90, 180),
new GeoPoint(90, splitLongitude),
new GeoPoint(-90, splitLongitude)
};
}
public static double CalculateSquare(CoordPoint a, CoordPoint b, CoordPoint c)
{
return(0.5 * Math.Abs((a.GetX() - b.GetX()) * (c.GetY() - b.GetY()) - (c.GetX() - b.GetX()) * (a.GetY() - b.GetY())));
}