private void CalculateWallScatter(object sender, RoutedEventArgs e)
{
// ALBEDO Values FROM NCRP Report No. 151
var Energies = new List <double>()
{
30, 24, 18, 10, 6, 4, 0.5, 0.25
};
var Angles = new List <double>()
{
0, 30, 45, 60, 75
};
Double[,] diffalbedos = new Double[8, 5] {
{ 3.0, 2.7, 2.6, 2.2, 1.5 }, { 3.2, 3.2, 2.8, 2.3, 1.5 }, { 3.4, 3.4, 3.0, 2.5, 1.6 }, { 4.3, 4.1, 3.8, 3.1, 2.1 }, { 5.3, 5.2, 4.7, 4.0, 2.7 }, { 6.7, 6.4, 5.8, 4.9, 3.1 }, { 19.0, 17.0, 15.0, 13.0, 8.0 }, { 32.0, 28.0, 25.0, 22.0, 13.0 }
};
List <double> diffalbedoslist = diffalbedos.Cast <double>().ToList().Select(r => r * Math.Pow(10, -3)).ToList();
Double Scatterval = 0;
//Vector3D wallvec = new Vector3D(Convert.ToDouble(wallxlen.Text), 1, Convert.ToDouble(wallzheight.Text));
Double Wallxlen = Convert.ToDouble(wallxlen.Text);
Double Wallzheight = Convert.ToDouble(wallzheight.Text);
Double Objres = Convert.ToDouble(ObjectResolution.Text);
Double xw = 0;
Double zh = 0;
Double Wallarea = Wallxlen * Wallzheight;
Double phantomlengthx = Convert.ToDouble(phantomxlength.Text);
Double phantomwidthy = Convert.ToDouble(phantomywidth.Text);
Double phantomheightz = Convert.ToDouble(phantomzheight.Text);
Double BeamEnergy = Convert.ToDouble(beamenergy.Text);
Double BeamX = Convert.ToDouble(beamx.Text);
Double BeamY = Convert.ToDouble(beamy.Text);
Double Beamtowalldist = Convert.ToDouble(SWD.Text);
Double Beamareaonwall = ((BeamX * BeamY) / 10000) * (Math.Pow(Beamtowalldist, 2));
Double beamxonwall = ((BeamX / 100) * (Math.Pow(Beamtowalldist, 2)));
Double beamyonwall = ((BeamY / 100) * (Math.Pow(Beamtowalldist, 2)));
Viewport3D myViewport = new Viewport3D();
Model3DGroup myModel3dGroup = new Model3DGroup();
ModelVisual3D myModelVisual3D = new ModelVisual3D();
PerspectiveCamera myPCamera = new PerspectiveCamera();
Vector3D measurementpointpos = new Vector3D(Wallxlen / 2, 10, Wallzheight / 2);
Point3DCollection wall = new Point3DCollection();
Vector3DCollection wall2 = new Vector3DCollection();
GeometryModel3D wallmesh = new GeometryModel3D();
myPCamera.Position = new Point3D(Wallxlen / 2, 2, Wallzheight / 2);
myPCamera.LookDirection = new Vector3D(0, 0, 1);
myPCamera.FieldOfView = 90;
myViewport.Camera = myPCamera;
while (zh < Wallzheight)
{
xw = 0;
while (xw < Wallxlen)
{
Vector3D wallscpoint = new Vector3D(xw, 1, zh);
Double Anglebetween = Vector3D.AngleBetween(wallscpoint, measurementpointpos);
// Area of each point in m^2
Double pointobjarea = Objres / 10000;
if (Anglebetween < Angles[Angles.Count - 1])
{
alglib.spline2dinterpolant s;
alglib.spline2dbuildbilinearv(Angles.ToArray(), Angles.Count, Energies.ToArray(), Energies.Count, diffalbedoslist.ToArray(), 1, out s);
Double Albedovalue = alglib.spline2dcalc(s, Anglebetween, BeamEnergy);
// Scatter Value, Incorporating that the Albedos are multiplied by 10^-3.
Scatterval += Albedovalue * pointobjarea;//Math.Pow(10,-3);
//wallmesh.Positions.Add(new Point3D(xw, 1, zh));
}
wall2.Add(wallscpoint);
xw += Objres;
}
zh += Objres;
}
Vector3D vector1 = new Vector3D(20, 30, 40);
Output.Text = Scatterval.ToString();
}
