/// <summary>
/// reverse transformation.
/// </summary>
public override Vec3 Transform(Vec3 input)
{
Vec3 p1 = input.Diff(_camera);
double dp = p1.Norm;
double fac = dp / d;
Vec3 p1_p = p1.Mult(fac);
return (p1_p.Sum(_camera));
}
/// <summary>
/// reverse transformation.
/// </summary>
public override Vec3 Transform(Vec3 input)
{
Vec3 p1 = input.Diff(_camera);
double dp = p1.Norm;
double fac = dp / d;
Vec3 p1_p = p1.Mult(fac);
return(p1_p.Sum(_camera));
}
/// <summary>
/// Reversed reverse transformation.
/// </summary>
public Vec3 ReverseTransform(Vec3 input)
{
Vec3 transformedCamera = Transform(_camera);
Vec3 tempVec = input.Diff(transformedCamera);
double l = tempVec.Norm;
double dt = Math.Sqrt(l * d);
tempVec.Normalize();
tempVec = tempVec.Mult(dt);
return (tempVec.Sum(transformedCamera));
}
/// <summary>
/// Reversed reverse transformation.
/// </summary>
public Vec3 ReverseTransform(Vec3 input)
{
Vec3 transformedCamera = Transform(_camera);
Vec3 tempVec = input.Diff(transformedCamera);
double l = tempVec.Norm;
double dt = Math.Sqrt(l * d);
tempVec.Normalize();
tempVec = tempVec.Mult(dt);
return(tempVec.Sum(transformedCamera));
}