Exemple #1
0
        public virtual void UpdateProfile()
        {
            double[] parameters  = null;
            double[] eparameters = null;

            MakeParameters(ref eparameters, true);

            InfoStruct = new BoxModelSettings();
            SetInitStruct(ref InfoStruct, null);

            NativeMethods.RhoGenerate(InfoStruct, eparameters, eparameters.Length, _ElectronDensityArray, _BoxElectronDensityArray);

            if (_ReflectivityMap != null)
            {
                MakeParameters(ref parameters, false);
                NativeMethods.FastReflGenerate(InfoStruct, parameters, parameters.Length, _ReflectivityMap);
            }

            InfoStruct.Dispose();

            if (Update != null)
            {
                Update(this, null);
            }
        }
Exemple #2
0
        public override string DataFit()
        {
            BackupArrays();
            double[] parameters = null;
            int      arrayconst;

            MakeParameters(ref parameters, true);

            m_dCovarArray = new double[parameters.Length];

            InfoStruct = new BoxModelSettings();
            SetInitStruct(ref InfoStruct, null);

            NativeMethods.Rhofit(InfoStruct, parameters, m_dCovarArray, parameters.Length, _fitinfo);

            InfoStruct.Dispose();

            SubRoughTB = parameters[0];
            ZOffsetTB  = parameters[1];

            if (HoldsigmaCB)
            {
                arrayconst = 2;
            }
            else
            {
                arrayconst = 3;
            }

            //Update paramters
            for (int i = 0; i < BoxCountTB; i++)
            {
                LengthArray[i] = parameters[arrayconst * i + 2];

                if (!m_bUseSLD)
                {
                    RhoArray[i] = parameters[arrayconst * i + 3];
                }
                else
                {
                    RhoArray[i] = parameters[arrayconst * i + 3] * SubphaseSLDTB;
                }

                if (HoldsigmaCB)
                {
                    SigmaArray[i] = parameters[0];
                }
                else
                {
                    SigmaArray[i] = parameters[3 * i + 4];
                }
            }

            //Display the fit
            UpdateProfile();


            return(MakeChiSquare());
        }
Exemple #3
0
        public override string DataFit()
        {
            BackupArrays();
            double[] parameters = null;

            MakeParameters(ref parameters, false);

            m_dCovarArray = new double[parameters.Length];

            InfoStruct = new BoxModelSettings();
            SetInitStruct(ref InfoStruct, null);


            NativeMethods.FastReflfit(InfoStruct, parameters, m_dCovarArray, parameters.Length, _fitinfo);

            InfoStruct.Dispose();

            UpdatefromParameterArray(parameters);
            UpdateFit(parameters);


            return(MakeChiSquare());
        }
Exemple #4
0
        public override string StochFit(double[] parampercs, int iterations)
        {
            double[] parameters      = null;
            string   chosenchisquare = string.Empty;


            MakeParameters(ref parameters, false);

            double[] ParamArray     = new double[1000 * parameters.Length];
            double[] ChiSquareArray = new double[1000];
            double[] CovarArray     = new double[1000 * parameters.Length];
            double[] locinfo        = new double[9 * 1000];
            int      Size           = 0;


            InfoStruct = new BoxModelSettings();
            SetInitStruct(ref InfoStruct, parampercs);
            InfoStruct.Iterations = iterations;


            NativeMethods.ConstrainedStochFit(InfoStruct, parameters, CovarArray, parameters.Length, locinfo, ParamArray, ChiSquareArray, ref Size);

            //Not ideal, will always back up regardless of whether the new model is accepted or not
            BackupArrays();

            if (ModelChooser != null)
            {
                if (ModelChooser(ParamArray, ChiSquareArray, CovarArray, locinfo, Size, parameters.Length, InfoStruct))
                {
                }
            }

            UpdateProfile();
            InfoStruct.Dispose();
            return(ChiSquare.ToString("##.### E-0"));
        }