//constructor
public AngleDerivation(double par_mirr_angle_with_z_degrees, double fresnel_normal_with_z_degrees, double refractive_index)
{
//debug storage:
this.debug_mirr_angle_deg = par_mirr_angle_with_z_degrees; this.debug_fresnel_angle_deg = fresnel_normal_with_z_degrees;
//storing relevant variables
this.refractive_index = refractive_index;
this.fresnel_norm_z = Math.Cos(AngleDerivation.getRadians(fresnel_normal_with_z_degrees));
this.par_mirr_z = Math.Cos(AngleDerivation.getRadians(par_mirr_angle_with_z_degrees));
}
public void setIncomingLightAngle(double angle_with_z_axis, double angle_with_x_axis)
{
double opx, opy, opz, xangle, zangle;
Scientrace.Vector op;
zangle = AngleDerivation.getRadians(angle_with_z_axis);
xangle = AngleDerivation.getRadians(angle_with_x_axis);
opx = Math.Sin(zangle) * Math.Cos(xangle);
opy = Math.Sin(zangle) * Math.Sin(xangle);
opz = Math.Sqrt(1 - (opy * opy) - (opx * opx));
op = new Scientrace.Vector(opx, opy, opz);
this.setIncomingLightVector(op);
}
public void setOutputAngles(double nxo, double nyo, double uxo, double uyo)
{
double nx, ny, ux, uy;
double rn = Math.Sqrt((nxo * nxo) + (nyo * nyo));
double ru = Math.Sqrt((uxo * uxo) + (uyo * uyo));
nx = nxo / rn;
ny = nyo / rn;
ux = uxo / ru;
uy = uyo / ru;
this.nrad = AngleDerivation.getRadians(nx, ny);
this.urad = AngleDerivation.getRadians(ux, uy);
this.removeNans();
//Console.WriteLine(this.nrad+"AFTER");
}
public void getnyuy(ref double ny, ref double uy, double ra, double rb, double A, double B, double py, double c)
{
double s = this.refractive_index;
double nyp, nym;
double uyp, uym;
nyp = Math.Sqrt((ra * ra) - (A * A));
//positive squareroot
nym = -Math.Sqrt((ra * ra) - (A * A));
//negative "
uyp = Math.Sqrt((rb * rb) - (B * B));
uym = -Math.Sqrt((rb * rb) - (B * B));
if (AngleDerivation.closeEnough((uyp - (s * py)) / (nyp), c))
{
ny = nyp;
uy = uyp;
return;
}
if (AngleDerivation.closeEnough((uyp - (s * py)) / (nym), c))
{
ny = nym;
uy = uyp;
return;
}
if (AngleDerivation.closeEnough((uym - (s * py)) / (nyp), c))
{
ny = nyp;
uy = uym;
return;
}
if (AngleDerivation.closeEnough((uym - (s * py)) / (nym), c))
{
ny = nym;
uy = uym;
return;
}
}
public void printAngles(double nxo, double nyo, double uxo, double uyo)
{
double nx, ny, ux, uy;
double rn = Math.Sqrt((nxo * nxo) + (nyo * nyo));
double ru = Math.Sqrt((uxo * uxo) + (uyo * uyo));
nx = nxo / rn;
ny = nyo / rn;
ux = uxo / ru;
uy = uyo / ru;
//Console.WriteLine ("\n\n nrad = " + this.getRadians (nx, ny) + "rad, n = {" + nxo + ";" + nyo + "; " + Math.Sqrt (1.0 - rn * rn) + "}" + "\n urad = " + this.getRadians (ux, uy) + "rad, u = {" + uxo + ";" + uyo + "; " + Math.Sqrt (1.0 - ru * ru) + "}" + "\n diff (deg): " + ((this.getDAngle (nx, ny) - this.getDAngle (ux, uy))));
Console.WriteLine("\n\n nrad = " + this.nrad + "rad, n = {" + nxo + ";" + nyo + "; " + Math.Sqrt(1.0 - rn * rn) + "}" + "\n urad = " + this.urad + "rad, u = {" + uxo + ";" + uyo + "; " + Math.Sqrt(1.0 - ru * ru) + "}" + "\n diff (deg): " + ((AngleDerivation.getDAngle(nx, ny) - AngleDerivation.getDAngle(ux, uy))));
}
