public static NI2dPoint divergingOvalptpt(NI2dPoint F, double n1, NI2dVector v, NI2dPoint G, double n2, double S) { NI2dPoint ovalpt = new NI2dPoint(0, 0); v.Normalize(); NI2dVector v1 = new NI2dVector(F, G); double C1 = n1 * S + (n2 * n2) * v1.DotProduct(v); double C2 = S * S - (n2 * n2) * v1.DotProduct(v1); double gamma = -1.0; double sigma = 0.0; if (n1 > n2) { sigma = -1 * gamma; } else if (n1 < n2) { sigma = 1 * gamma; } double c1numerator = C1 + sigma * Math.Sqrt(C2 * (n2 * n2 - n1 * n1) + C1 * C1); double c1denominator = n1 * n1 - n2 * n2; double c1 = c1numerator / c1denominator; ovalpt = F + c1 * v.ConverttoPoint(); return(ovalpt); }
public static NI2dPoint planewaveOvalpt(NI2dPoint F, double n1, NI2dVector v, NI2dPoint Q, double n2, NI2dVector n, double S) { NI2dPoint ovalpt = new NI2dPoint(0, 0); NI2dVector v1 = new NI2dVector(Q, F); double c1numerator = S - n2 * (v1.DotProduct(n)); double c1denominator = n1 - n2 * (v.DotProduct(n)); double c1 = c1numerator / c1denominator; ovalpt = F + c1 * v.ConverttoPoint(); return(ovalpt); }
public static NI2dPoint reflectingOvalptpt(NI2dPoint F, NI2dVector v, NI2dPoint G, double n, double S) { NI2dPoint ovalpt = new NI2dPoint(0, 0); v.Normalize(); NI2dVector v1 = new NI2dVector(F, G); double c1numerator = (S / n) * (S / n) - v1.DotProduct(v1); double c1denominator = 2 * ((S / n) + v1.DotProduct(v)); double c1 = c1numerator / c1denominator; ovalpt = F + c1 * v.ConverttoPoint(); return(ovalpt); }