public CartesianPoint TransformPointGlobalCartesianToLocalCartesian(CartesianPoint cartesianGlobalPoint)
{
Vector2 local = RotationMatrixGlobalToLocal * Vector2.CreateFromArray(cartesianGlobalPoint.Coordinates);
local.AddIntoThis(localCoordinatesOfGlobalOrigin);
return(new CartesianPoint(local[0], local[1]));
}
public PolarPoint2D TransformPointGlobalCartesianToLocalPolar(CartesianPoint cartesianGlobalPoint)
{
Vector2 local = RotationMatrixGlobalToLocal * Vector2.Create(cartesianGlobalPoint.X, cartesianGlobalPoint.Y);
local.AddIntoThis(localCoordinatesOfGlobalOrigin);
double x1 = local[0];
double x2 = local[1];
double r = Math.Sqrt(x1 * x1 + x2 * x2);
double theta = Math.Atan2(x2, x1);
return(new PolarPoint2D(r, theta));
}