Пример #1
0
        // Factory method: lensFlatCenterLoc, sphereRadius, lensDiameter
        static public Scientrace.PlanoConvexLens CreateWithLensDiameter(Scientrace.Object3dCollection parent,
                                                                        Scientrace.MaterialProperties mprops,
                                                                        Scientrace.Location lensFlatCenterLoc, double lensDiameter,
                                                                        Scientrace.NonzeroVector sphereRadiusVec)
        {
            Scientrace.PlaneBorder aPlane = new PlaneBorder(lensFlatCenterLoc, sphereRadiusVec);
            double r /*sphere radius*/    = sphereRadiusVec.length;
            double x /*lens radius*/      = lensDiameter / 2;
            double y /*distance lens center to sphere center*/ = Math.Sqrt((r * r) - (x * x));
            double t /*thickness*/ = r - y;

            //Console.WriteLine("sphereradius: "+r+" lens thickness: "+t+" y:"+y+" x:"+x);

            if (t <= 0)
            {
                throw new Exception("This PlanoConvexLens cannot be created: " + sphereRadiusVec.trico() + "/" + lensDiameter);
            }
            Scientrace.Location sphereLoc = lensFlatCenterLoc - (sphereRadiusVec.normalizedVector() * y);
            //Console.WriteLine("sphereLoc: "+sphereLoc.trico()+" lensFlatCenterLoc: "+t+" lensFlatCenterLoc:"+lensFlatCenterLoc.trico());
            return(new PlanoConvexLens(parent, mprops, aPlane, sphereLoc, r));
        }
Пример #2
0
        public Scientrace.SpiralLightSource setSpiralLightFromXData(XElement xlight, List <Scientrace.UniformTraceModifier> utms,
                                                                    Scientrace.Object3dEnvironment env)
        {
            /* "Spiral"
             * d class.radius, d class.loops, d distance, i beamcount, i maxinteractions, d minintensity
             * i modulomultiplier, str spectrum, vec location, vec direction */
            double radius = this.X.getXDouble(xlight.Attribute("Radius"));

            if (radius < 0)
            {
                throw new ArgumentOutOfRangeException("Radius " + radius + " out of range");
            }
            double distance  = this.X.getXDouble(xlight.Attribute("Distance"), 0);
            int    beamcount = this.X.getXInt(xlight.Attribute("RayCount"), this.X.getXInt(xlight.Attribute("BeamCount")));
            //int maxinteractions = this.X.getXInt(xlight, "MaxInteractions", 8); //default value max_interactions -> 8
            double minintensity = this.X.getXDouble(xlight, "MinIntensity", 0.2);             //default minimum intensity for tracing set to 1%
            //Spiralspecific

            double loops = this.X.getXDouble(xlight, "Loops", -1);

            if (loops == -1)
            {
                loops = 1.0154 * Math.Pow(Math.PI * 2 * (1 - Math.Sqrt(((double)beamcount - 1) / (double)beamcount)), -0.5);
                Console.WriteLine("Number of loops for " + beamcount + " beams set to: {" + loops.ToString("#,0.000") + "}.");
            }

            Scientrace.NonzeroVector light_direction = this.X.getXNzVector(xlight.Element("Direction"));
            Scientrace.NonzeroVector spiral_axis     = this.X.getXNzVector(xlight.Element("SpiralAxis"));
            Scientrace.Location      centerloc       = this.X.getXVector(xlight.Element("Location")).toLocation();

            /*Scientrace.Location locoffset = (light_direction.toVector().negative()*distance).toLocation(); //distance cm above surface
             * Scientrace.Location loc = locoffset + centerloc; */
            XMLSpectrumParser xsp = new XMLSpectrumParser();

            Scientrace.LightSpectrum spectrum = xsp.parseLightSpectrum(xlight.Element("Spectrum"));
            if (spectrum == null)
            {
                throw new Exception("LightSpectrum " + xlight.Element("Spectrum").ToString() + " unknown");
            }

            double divangle    = 0;
            double divdistance = 0;

            Scientrace.NonzeroVector divpinvec = null;             //=  new Scientrace.NonzeroVector(0,1,0);
            int  divsteps       = 1;
            bool divincludebase = true;

            this.getDivergence(xlight, ref divangle, ref divpinvec, ref divdistance, ref divincludebase, ref divsteps);
            if (divangle > 0)
            {
                if (divpinvec.crossProduct(light_direction).length == 0)
                {
                    throw new ArgumentOutOfRangeException("divpinvec", "Divergence Pinvector (" + divpinvec.trico() + ") is parallel to light directon (" +
                                                          light_direction.trico() + ")");
                }
            }

            // INSERT OPERATION THAT MAKES BOTH SPIRAL PLANE VECTORS ORTHOGONAL TO DIRECTION
            Scientrace.Plane spiralplane = Scientrace.Plane.newPlaneOrthogonalTo(centerloc, spiral_axis);
            //Scientrace.NonzeroVector direction = light_direction.tryToUnitVector();


            Scientrace.SpiralLightSource retlight = new Scientrace.SpiralLightSource(env, centerloc, light_direction.toUnitVector(),
                                                                                     spiralplane, beamcount, radius, loops, distance, spectrum);


/* BEFORE REMOVAL OF DISPERSION_STEPS			Scientrace.LightSource retlight = new Scientrace.SpiralLightSource(env, loc, light_direction.toUnitVector(),
 *                              spiralplane, beamcount, radius, loops, spectrum,
 *                              divangle, divpinvec, divdistance, divincludebase, divsteps);  */
            //retlight.max_interactions = maxinteractions;
            retlight.minimum_intensity_fraction = minintensity;
            retlight.lightsource_modifiers.AddRange(utms);
            //retlight.createStartTraces();
            return(retlight);
        }