public void IsomerGammaEmission(Particle p, double deltaDepth, int i)
            {
                Random random = new Random();
                double pp     = SimpleRNG.GetUniform();

                if (pp < pp_IsomerGammaEmission(deltaDepth, i))
                {
                    Particle p_gamma = new Particle(p_type.photon);
                    list_newParticles.Add(p_gamma);
                }
            }
 public void NewParticles(Particle p, double deltaDepth, int i)
 {
     if (p.p_t != p_type.neutron || p.p_t != p_type.proton)
     {
         Random random = new Random();
         double pp     = SimpleRNG.GetUniform();
         if (pp < 0.01)                   // improve the prob. of fragmentation
         {
             list_removeParticles.Add(p); // the primary disappears
             int n_products = 10;         // should be a random number of secondaries
             for (int j = 0; j < n_products / 2; j++)
             {
                 Particle p_born = new Particle(p_type.proton); // a constructor for a proton; later add more secondaries, like neutrons, light ions, etc.
                 list_newParticles.Add(p_born);
             }
             for (int j = 0; j < n_products / 2; j++)
             {
                 Particle p_born = new Particle(p_type.neutron); // a constructor for a proton; later add more secondaries, like neutrons, light ions, etc.
                 list_newParticles.Add(p_born);
             }
             //double z = p.Z - 2; // crude model of fragmentation    // zzz
             //double e = 0.8 * p.E;
             //double a = p.A - n_products / 2;
             //Particle p_primary_frag;
             //if (p.GetPtype(a, z, e) == p_type.not_known)
             //{
             //    p_primary_frag = new Particle();
             //    p_primary_frag.Initialize(a, z, e);
             //}
             //else
             //    p_primary_frag = new Particle(p.GetPtype(a, z, e)); // primary fragment
             //list_newParticles.Add(p_primary_frag);
             //Particle p_target_frag = new Particle();
             //p_target_frag.Initialize(14 + 13 - n_products / 2, 13 - 2, 0.2 * p.E); // give it Al A, Z, E  for now // target fragment
             //list_newParticles.Add(p_target_frag);
         }
     }
 }
            //
            public static bool ApplyRad2RWs(RadiationSchema rs, RandomWalk rw, DSBs DSBdata)
            {
                int ndsb = 0;

                try
                {
                    double dose;
                    double dose_total = 0.0;
                    for (int nb = 0; nb < rs.nBeams; nb++) // iterate over all beams
                    {
                        foreach (int j in rw.nmonomer)
                        {
                            dose        = Dconst;
                            dose_total += Dconst;
                            try
                            {
                                for (int i = 0; i < amorphous_partile_tracks[nb].track_struct.ntracks; i++)
                                {
                                    int x     = amorphous_partile_tracks[nb].track_struct.X[i];
                                    int y     = amorphous_partile_tracks[nb].track_struct.Y[i];
                                    int dist2 = (x - rw.LL[j].X) * (x - rw.LL[j].X) + (y - rw.LL[j].Y) * (y - rw.LL[j].Y);
                                    if (dist2 < Convert.ToInt32((RadiationSchema.Pr / lattice_dim) * (RadiationSchema.Pr / lattice_dim)))
                                    {
                                        int t = Convert.ToInt32(MainForm.Particle.Tracks.grid * lattice_dim * Math.Sqrt(dist2) / RadiationSchema.Pr); // microns
                                        dose       += amorphous_partile_tracks[nb].track_struct.dose[t];
                                        dose_total += amorphous_partile_tracks[nb].track_struct.dose[t];
                                    }
                                }
                            }
                            catch { return(false); }
                            double Q = 0.812 * 35.0 / 25.0; // multiply by 35./25. for high/low LET; also 1e-5 is factored out
                            if (amorphous_partile_tracks[nb].p_t == MainForm.Radiation.p_type.photon)
                            {
                                Q = 0.812; // multiply by 35./25. for high LET
                            }
                            else
                            {
                                Q = 0.812 * 35.0 / 25.0; // multiply by 35./25. for high LET
                            }
                            Q *= 1.0e-5;                 // Q is determined from PFGE experiments
                            Random random = new Random();
                            try
                            {
                                if (SimpleRNG.GetUniform() < 1.0 - Math.Exp(-Q * dose))
                                {
                                    ndsb++;
                                    DSBs.DSBstruct new_dsb = new DSBs.DSBstruct
                                    {
                                        ndsb       = ndsb,
                                        L          = rw.LL[j],
                                        position   = rw.nmonomer[j],
                                        entry_time = rs.entryTime[nb],
                                        exit_time  = rs.exitTime[nb]
                                    };
                                    new_dsb.random_time = SimpleRNG.GetUniform() * (new_dsb.exit_time - new_dsb.entry_time) + new_dsb.entry_time; // a DSB is created sometime during the fractionation interval
                                    double r = SimpleRNG.GetUniform();
                                    if (r < DSBs.DSBcomplP[0])
                                    {
                                        new_dsb.DSBcmplx = DSBs.DSBstruct.DSBcomplexity.simpleDSB;
                                    }
                                    else
                                    {
                                        if (r >= DSBs.DSBcomplP[0] && r < DSBs.DSBcomplP[1]) // zzz can a DSB appear more than 1 time at the same monomer
                                        {
                                            new_dsb.DSBcmplx = DSBs.DSBstruct.DSBcomplexity.DSBplus;
                                        }
                                        else
                                        {
                                            new_dsb.DSBcmplx = DSBs.DSBstruct.DSBcomplexity.DSBplusplus;
                                        }
                                    }
                                    DSBdata.listDSBs.Add(new_dsb);
                                }
                            }
                            catch { return(false); }
                        }
                    }
                    dose_total /= Convert.ToDouble(rw.nmonomer.Length); // total dose integrated over all monomers // zzz might wanna output somewhere
                    return(true);
                }
                catch { return(false); }
            }
Example #4
0
        //
        public bool RestitutionKinetics(List <Object> listObjs)
        {
            // the class FreeEnds is derived from DSBs class and is based on DSBdata
            // Free_end class is for Objects (which are fragments that can have free ends)
            Random random = new Random();

            try
            {
                for (int i = 0; i < Convert.ToInt32(expTime / tau); i++) // number of elementary time steps
                {
                    if (!SplitObjects(listObjs, i * tau, (i + 1) * tau))
                    {
                        return(false); // split only using DSBs avaibale in time interval timeIncrement / tau
                    }

                    int availableFreeEnds = 0;
                    foreach (Object o in listObjs)
                    {
                        foreach (Free_end fe in o.md.f_e)
                        {
                            if (fe.FE_type == MetaData.FreeEndType.reactive)
                            {
                                availableFreeEnds++;
                            }
                        }
                    }
                    if (availableFreeEnds != 0)
                    {
                        for (int j = 0; j < availableFreeEnds / 2; j++) // cycle through all pairs of Free Ends in one elementary time step
                        {
                            int availableFreeEnds1 = 0;
                            foreach (Object o in listObjs)
                            {
                                foreach (Free_end fe in o.md.f_e)
                                {
                                    if (fe.FE_type == MetaData.FreeEndType.reactive)
                                    {
                                        availableFreeEnds1++; // determine the number of free ends, which are still reactive
                                    }
                                }
                            }
                            int end1, end2;
                            while (true)
                            {
                                end1 = random.Next(0, availableFreeEnds1);
                                end2 = random.Next(0, availableFreeEnds1);
                                if (end1 != end2)
                                {
                                    break;
                                }
                            }
                            int      itemp = 0;
                            Free_end freeend1 = null, freeend2 = null;
                            foreach (Object o in listObjs)
                            {
                                bool b = false;
                                foreach (Free_end fe in o.md.f_e)
                                {
                                    if (fe.FE_type == MetaData.FreeEndType.reactive)
                                    {
                                        if (itemp == end1)
                                        {
                                            fe.Reacting = true;
                                            freeend1    = fe;
                                            b           = true;
                                            break;
                                        }
                                        itemp++;
                                    }
                                }
                                if (b)
                                {
                                    break;
                                }
                            }
                            itemp = 0;
                            foreach (Object o in listObjs)
                            {
                                bool b = false;
                                foreach (Free_end fe in o.md.f_e)
                                {
                                    if (fe.FE_type == MetaData.FreeEndType.reactive)
                                    {
                                        if (itemp == end2)
                                        {
                                            fe.Reacting = true; // this marks a free end for rejoining/misrejoining
                                            freeend2    = fe;
                                            b           = true;
                                            break;
                                        }
                                        itemp++;
                                    }
                                }
                                if (b)
                                {
                                    break;
                                }
                            }
                            if (freeend1 != null && freeend2 != null)
                            {
                                if (freeend1.Position == freeend2.Position) // proper ends
                                {
                                    if (SimpleRNG.GetUniform() < P)
                                    {
                                        Object o_new = new Object();
                                        if (CreateMergedObj(o_new, listObjs)) // merge the chosen reactive ends in the chosen objects and remove the objs with this pair of free ends
                                        {
                                            listObjs.Add(o_new);
                                            //     renumber bands in the whole genome
                                            int[] b_index = new int[46];
                                            foreach (Object o in listObjs)
                                            {
                                                foreach (Band b in o.md.chromo_bands)
                                                {
                                                    b_index[b.Chromo_num]++;
                                                    b.Ordinal_number = b_index[b.Chromo_num];
                                                }
                                            }
                                        }
                                        else
                                        {
                                            o_new = null; // this happens when one if the members of listObjs becomes a ring
                                        }
                                    }
                                }
                                else
                                {
                                    if (SimpleRNG.GetUniform() < MisrejoiningProb(freeend1, freeend2))
                                    {
                                        Object o_new = new Object();
                                        if (CreateMergedObj(o_new, listObjs)) // merge the chosen reactive ends in the chosen objects
                                        {
                                            listObjs.Add(o_new);
                                            //     renumber bands in the whole genome
                                            int[] b_index = new int[46];
                                            foreach (Object o in listObjs)
                                            {
                                                foreach (Band b in o.md.chromo_bands)
                                                {
                                                    b_index[b.Chromo_num]++;
                                                    b.Ordinal_number = b_index[b.Chromo_num];
                                                }
                                            }
                                        }
                                        else
                                        {
                                            o_new = null; // this happens when one if the members of listObjs becomes a ring
                                        }
                                    }
                                }
                                // if nothing happens de-activate free ends
                                foreach (Object o in listObjs)
                                {
                                    foreach (Free_end fe in o.md.f_e)
                                    {
                                        if (fe.Reacting)
                                        {
                                            fe.Reacting = false;
                                        }
                                    }
                                }
                            }
                        }
                    }
                }
                if (CheckDSBlist(DSBdata) && CheckObjList(listObjs))
                {
                    return(true);
                }
                else
                {
                    return(false);
                }
            }
            catch
            { // merge failure
                Detailed_checkObjList(listObjs);
                Detailed_checkDSBlist(DSBdata);
                return(false);
            }
        }