FMD/AliFMDv2.cxx

   1 /**************************************************************************
   2  * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
   3  *                                                                        *
   4  * Author: The ALICE Off-line Project.                                    *
   5  * Contributors are mentioned in the code where appropriate.              *
   6  *                                                                        *
   7  * Permission to use, copy, modify and distribute this software and its   *
   8  * documentation strictly for non-commercial purposes is hereby granted   *
   9  * without fee, provided that the above copyright notice appears in all   *
  10  * copies and that both the copyright notice and this permission notice   *
  11  * appear in the supporting documentation. The authors make no claims     *
  12  * about the suitability of this software for any purpose. It is          *
  13  * provided "as is" without express or implied warranty.                  *
  14  **************************************************************************/
  15  /////////////////////////////////////////////////////////////////////
  16 //                                                                 //
  17 // Forward Multiplicity detector based on Silicon version 0        //
  18 //
  19 //Begin Html
  20 /*
  21 <img src="gif/AliFMDv0Class.gif">
  22 */
  23 //End Html
  24 //                                                                  //
  25 //                                                                  //
  26 //////////////////////////////////////////////////////////////////////
  27 #include <TMath.h>
  28 #include <TGeometry.h>
  29 #include <TTUBE.h>
  30 #include <TFile.h>
  31 #include <TTree.h>
  32 #include <TNode.h>
  33 #include <TClonesArray.h>
  34 #include <TLorentzVector.h>
  35 #include <TDirectory.h>
  36 #include "AliFMDv2.h"
  37 #include "AliFMDv0.h"
  38 #include "AliRun.h"
  39 #include <Riostream.h>
  40 #include "AliMagF.h"
  41 #include "AliFMDhit.h"
  42 #include "AliFMDdigit.h"
  43 #include <stdlib.h>
  44
  45 ClassImp(AliFMDv2)
  46
  47 //--------------------------------------------------------------------
  48 AliFMDv2::AliFMDv2(const char *name, const char *title):
  49  AliFMD(name,title)
  50 {
  51   //
  52   // Standart constructor for Forward Multiplicity Detector version 0
  53   //
  54   fIdSens1=0;
  55   fIdSens2=0;
  56   fIdSens3=0;
  57   fIdSens4=0;
  58   fIdSens5=0;
  59 //  setBufferSize(128000);
  60 }
  61 //-------------------------------------------------------------------------
  62 void AliFMDv2::CreateGeometry()
  63 {
  64  //
  65   // Create the geometry of Forward Multiplicity Detector version 0
  66   //
  67   //Detector consists of 6 volumes:
  68   // 1st covered pseudorapidity interval from 3.3 to 2.0
  69   // and placed on 65cm in Z-direction;
  70   // 2nd - from 2.0 to 1.6 and Z=85 cm;
  71   // 3d  - the same pseudorapidity interval as the 1st
  72   // but on the other side from the interaction point z=-65cm;
  73   // 4th - simmetricaly with the 2nd :
  74   // pseudorapidity from 2.0 to 1.6, Z=-85cm
  75   // 5th - from 3.6 to 4.7, Z=-270cm
  76   // 6th - from 4.5 to 5.5 , Z=-630cm.
  77   // Each part has 400mkm Si (sensetive area, detector itself),
  78   // 0.75cm of plastic simulated electronics material,
  79   // Al support ring 2cm thickness and 1cm width placed on
  80   // the outer radius of each Si disk;
  81   //
  82   // begin Html
  83   /*
  84    <img src="gif/AliFMDv0.gif">
  85    */
  86   //
  87
  88   Int_t *idtmed = fIdtmed->GetArray();
  89
  90   Int_t ifmd;
  91   Int_t idrotm[999];
  92   Float_t zFMD,par[3],ppcon[5];
  93     //ppcon1[15],ppcon2[15],ppcon3[15],ppcon4[15],ppcon5[15];
  94   Float_t z[5]={62.8, 75.2, -83.4, -75.2, -340.};
  95   Float_t NylonTube[3]={0.2,0.6,0.45};
  96   Float_t zPCB=0.12; Float_t zHoneyComb=0.5;
  97   Float_t zSi=0.03;
  98
  99 //-------------------------------------------------------------------
 100  //  FMD
 101  //------------------------------------------------------------------
 102   //  cout<<" !!!!!!!!!!!New FMD geometry !!!!!!!!!"<<endl;
 103
 104
 105   char nameFMD[5], nameSi[5], nameSector[5], nameRing[5];
 106   Char_t nameHoney[5], nameHoneyIn[5], nameHoneyOut[5];
 107   Char_t namePCB[5], nameCopper[5], nameChips[5], nameG10[5];
 108   Char_t nameLPCB[5], nameLCopper[5], nameLChips[5], nameGL10[5];;
 109   Float_t rin[5]={4.2,15.4,4.2,15.4,4.2};
 110   Float_t rout[5]={17.4,28.4,17.4,28.4,17.4};
 111   Float_t RinHoneyComb[5] ={ 5.15,16.4,  5.15,16.4,  5.15};
 112   Float_t RoutHoneyComb[5]={20.63,34.92,22.3, 32.02,20.63};
 113   Float_t zInside;
 114   Float_t zCooper=0.01; Float_t zChips=0.01;
 115   Float_t yNylonTube[5]={10,20,10,20,10};
 116
 117
 118   AliMatrix(idrotm[901], 90, 0, 90, 90, 180, 0);
 119
 120
 121   // Nylon tubes
 122    gMC->Gsvolu("GNYL","TUBE", idtmed[1], NylonTube, 3);  //support nylon tube
 123    Float_t wideSupport=zSi+3*zPCB+2*NylonTube[2]+zHoneyComb;
 124    //   cout<<" wideSupport "<<wideSupport<<endl;
 125
 126   for (ifmd=0; ifmd<5; ifmd++)
 127     {
 128       sprintf(nameFMD,"FMD%d",ifmd+1);
 129       ppcon[0]=0;
 130       ppcon[1]=360;
 131       ppcon[2]=4;
 132
 133       //      ppcon[3]=z[ifmd];
 134       ppcon[3]=-wideSupport/2.;
 135       ppcon[4]=rin[ifmd];
 136       ppcon[5]=rout[ifmd];
 137
 138       ppcon[6]=ppcon[3]+zSi+2*zPCB+2*NylonTube[2];
 139       ppcon[7]=rin[ifmd];
 140       ppcon[8]=rout[ifmd];
 141
 142       ppcon[9]=ppcon[6];
 143       ppcon[10]=RinHoneyComb[ifmd];
 144       ppcon[11]=RoutHoneyComb[ifmd];
 145
 146       ppcon[12]=ppcon[9]+zHoneyComb+zPCB;
 147       ppcon[13]=RinHoneyComb[ifmd];
 148       ppcon[14]=RoutHoneyComb[ifmd];
 149       zFMD=z[ifmd]+wideSupport/2.;
 150       //      cout<<" Si "<<ifmd+1<<" "<<zFMD<<" "<<ppcon[12]<<endl;
 151       gMC->Gsvolu(nameFMD,"PCON",idtmed[0],ppcon,15);
 152       if (z[ifmd] >0){
 153         gMC->Gspos(nameFMD,1,"ALIC",0,0,z[ifmd],0, "ONLY");}
 154       else {
 155         gMC->Gspos(nameFMD,1,"ALIC",0,0,z[ifmd],idrotm[901], "ONLY");}
 156      //silicon
 157       sprintf(nameSi,"GSI%d",ifmd+1);
 158       sprintf(nameSector,"GSC%d",ifmd+1);
 159       sprintf(nameRing,"GRN%d",ifmd+1);
 160       //honeycomb support
 161       sprintf(nameHoney,"GSU%d",ifmd+1);
 162       gMC->Gsvolu(nameHoney,"TUBE", idtmed[0], par, 0);  //honeycomb
 163       sprintf(nameHoneyIn,"GHI%d",ifmd+1);
 164       gMC->Gsvolu(nameHoneyIn,"TUBE", idtmed[7], par, 0);  //honey comb inside
 165       sprintf(nameHoneyOut,"GHO%d",ifmd+1);
 166       gMC->Gsvolu(nameHoneyOut,"TUBE", idtmed[6], par, 0);  //honey comb skin
 167       //PCB
 168       sprintf(namePCB,"GPC%d",ifmd+1);
 169       gMC->Gsvolu(namePCB,"TUBE", idtmed[0], par, 0); //PCB
 170       sprintf(nameCopper,"GCO%d",ifmd+1);
 171       gMC->Gsvolu(nameCopper,"TUBE", idtmed[3], par, 0);  // Cooper
 172       sprintf(nameChips,"GCH%d",ifmd+1);
 173       gMC->Gsvolu(nameChips,"TUBE", idtmed[5], par, 0); // Si chips
 174       sprintf(nameG10,"G10%d",ifmd+1);
 175       gMC->Gsvolu(nameG10,"TUBE", idtmed[2], par, 0);  //G10 plate
 176       //last PCB
 177       sprintf(nameLPCB,"GPL%d",ifmd+1);
 178       gMC->Gsvolu(nameLPCB,"TUBE", idtmed[0], par, 0); //PCB
 179       sprintf(nameLCopper,"GCL%d",ifmd+1);
 180       gMC->Gsvolu(nameLCopper,"TUBE", idtmed[3], par, 0);  // Cooper
 181       sprintf(nameLChips,"GHL%d",ifmd+1);
 182       gMC->Gsvolu(nameLChips,"TUBE", idtmed[5], par, 0); // Si chips
 183       sprintf(nameGL10,"G1L%d",ifmd+1);
 184       gMC->Gsvolu(nameGL10,"TUBE", idtmed[2], par, 0);  //G10 plate
 185
 186
 187       par[0]=rin[ifmd]; // pipe size
 188       par[1]=rout[ifmd];
 189       par[2]=zSi/2;
 190       gMC->Gsvolu(nameSi,"TUBE", idtmed[4], par, 3);
 191       printf ("rin %f rout %f ZFMD %f\n",par[0],par[1],z[ifmd]);
 192       zInside=ppcon[3]+par[2];
 193       //      cout<<" zInside "<<zInside<<endl;
 194       gMC->Gspos(nameSi,ifmd+1,nameFMD,0,0,zInside,0, "ONLY");
 195       //PCB 1
 196       zInside += par[2]+zPCB/2;
 197       par[2]=zPCB/2;
 198       //   cout<<"FMD "<<ifmd<<" zInside PCB1 = "<<zInside<<endl;
 199       gMC->Gsposp(namePCB,1,nameFMD,0,0,zInside,0, "ONLY",par,3);
 200       zInside += zPCB;
 201       //  cout<<"FMD "<<ifmd<<" zInside PCB2 = "<<zInside<<endl;
 202       gMC->Gsposp(namePCB,2,nameFMD,0,0,zInside,0, "ONLY",par,3);
 203       Float_t NulonTubeBegin=zInside+2*zPCB;
 204       par[2]=zPCB/2-0.02;
 205       Float_t zInPCB = -zPCB/2+par[2];
 206       gMC->Gsposp(nameG10,1,namePCB,0,0,zInPCB,0, "ONLY",par,3);
 207       zInPCB+=par[2]+zCooper/2 ;
 208       par[2]=zCooper/2;
 209       gMC->Gsposp(nameCopper,1,namePCB,0,0,zInPCB,0, "ONLY",par,3);
 210       zInPCB += zCooper/2 + zChips/2;
 211       par[2]=zChips/2;
 212       gMC->Gsposp(nameChips,1,namePCB,0,0,zInPCB,0, "ONLY",par,3);
 213       //HoneyComb
 214       zHoneyComb=0.8;
 215       par[0] = RinHoneyComb[ifmd];
 216       par[1] = RoutHoneyComb[ifmd];
 217       par[2] = zHoneyComb/2;
 218       //  cout<<"FMD "<<ifmd<<" zInside before HoneyComb = "<<zInside<<" par[2] "<<par[2]<<endl;
 219       zInside += 2*NylonTube[2]+par[2];
 220       // cout<<" zInside HoneyComb"<<zInside<<endl;
 221       gMC->Gsposp(nameHoney,1,nameFMD,0,0,zInside,0, "ONLY",par,3);
 222       par[2]=0.1/2;
 223       Float_t zHoney=-zHoneyComb/2+par[2];
 224       //  cout<<" zHoney shurka 1 "<<zHoney <<endl;
 225       gMC->Gsposp(nameHoneyOut,1,nameHoney,0,0,zHoney,0,
 226                   "ONLY",par,3); //shkurki
 227       zHoney=zHoneyComb/2-par[2];
 228       //  cout<<" zHoney shurka 2 "<<zHoney <<endl;
 229       gMC->Gsposp(nameHoneyOut,2,nameHoney,0,0,zHoney,0, "ONLY",par,3);
 230       par[2]=(zHoneyComb-2.*0.1)/2; //soty vnutri
 231       gMC->Gsposp(nameHoneyIn,1,nameHoney,0,0,0,0, "ONLY",par,3);
 232
 233       gMC->Gspos("GNYL",1,nameFMD,0,yNylonTube[ifmd],
 234                  NulonTubeBegin+NylonTube[2]/2.,0, "ONLY");
 235       gMC->Gspos("GNYL",2,nameFMD,0,-yNylonTube[ifmd],
 236                  NulonTubeBegin+NylonTube[2]/2.,0, "ONLY");
 237
 238       //last PCB
 239       par[0]=RoutHoneyComb[ifmd]-9;
 240       par[1]=RoutHoneyComb[ifmd];
 241       par[2]=zPCB/2;
 242       //  cout<<" rin "<<par[0]<<" rout "<<par[1]<<endl;
 243       zInside += zHoneyComb/2+par[2];
 244       gMC->Gsposp(nameLPCB,1,nameFMD,0,0,zInside,0, "ONLY",par,3);
 245
 246        par[2]=zPCB/2-0.02;
 247        zInPCB = -zPCB/2+par[2];
 248        gMC->Gsposp(nameGL10,1,nameLPCB,0,0,zInPCB,0, "ONLY",par,3);
 249        zInPCB+=par[2]+zCooper/2 ;
 250        par[2]=zCooper/2;
 251        gMC->Gsposp(nameLCopper,1,nameLPCB,0,0,zInPCB,0, "ONLY",par,3);
 252        zInPCB += zCooper/2 + zChips/2;
 253        par[2]=zChips/2;
 254        gMC->Gsposp(nameLChips,1,nameLPCB,0,0,zInPCB,0, "ONLY",par,3);
 255
 256        /*
 257       if (ifmd==3) {
 258         par[0]=0.1;
 259         par[1]=7.;
 260         par[2]=0.1;
 261         gMC->Gsvolu("GST1","BOX ", idtmed[6], par, 3);  //support carbon stick
 262         gMC->Gspos("GST1",1,nameFMD,0.,49.2-par[1],z[3]-0.7,0,"ONLY");
 263         gMC->Gspos("GST1",2,nameFMD,0.,-49.2+par[1],z[3]-0.7,0,"ONLY");
 264
 265         Float_t pSupportCone[5];
 266         pSupportCone[0]=1.5;
 267         pSupportCone[1]=34.4;
 268         pSupportCone[2]=34.5;
 269         pSupportCone[3]=30.;
 270         pSupportCone[4]=29.9;
 271         gMC->Gsvolu("GCY1","CONE", idtmed[6],pSupportCone , 5);  //support carbon stick
 272         gMC->Gspos("GCY1",1,nameFMD,0.,0.,z[3]+1.5,0,"ONLY");
 273
 274       }
 275      if (ifmd==2) {
 276         par[0]=0.1;
 277         par[1]=1.3;
 278         par[2]=0.1;
 279         gMC->Gsvolu("GST3","BOX ", idtmed[6], par, 3);  //support carbon stick
 280         gMC->Gspos("GST3",1,nameFMD,0.,23.-par[1],z[2]+2.1,0,"ONLY");
 281         gMC->Gspos("GST3",2,nameFMD,0.,-23.+par[1],z[2]+2.1,0,"ONLY");
 282
 283         Float_t pSupportCone[5];
 284         pSupportCone[0]=1.5;
 285         pSupportCone[1]=30.;
 286         pSupportCone[2]=29.9;
 287         pSupportCone[3]=21.;
 288         pSupportCone[4]=20.9;
 289         gMC->Gsvolu("GCY2","CONE", idtmed[6],pSupportCone , 5);  //support carbon stick
 290         gMC->Gspos("GCY2",1,nameFMD,0.,0.,z[2]+1.5,0,"ONLY");
 291
 292      }
 293        */
 294
 295      //Granularity
 296     fSectorsSi1=20;
 297     fRingsSi1=256*3;
 298     //fRingsSi1=3; // for drawing only
 299     fSectorsSi2=40;
 300     fRingsSi2=128*3;
 301     // fRingsSi2=3; //for  drawing onl
 302     if(ifmd==1||ifmd==3)
 303       {
 304         gMC->Gsdvn(nameSector, nameSi , fSectorsSi2, 2);
 305         gMC->Gsdvn(nameRing, nameSector, fRingsSi2, 1);
 306       }
 307     else
 308       {
 309         gMC->Gsdvn(nameSector, nameSi , fSectorsSi1, 2);
 310         gMC->Gsdvn(nameRing, nameSector , fRingsSi1, 1);
 311       }
 312
 313     }
 314 }
 315
 316
 317 //------------------------------------------------------------------------
 318
 319
 320 void AliFMDv2::CreateMaterials()
 321 {
 322  Int_t isxfld   = gAlice->Field()->Integ();
 323  Float_t sxmgmx = gAlice->Field()->Max();
 324
 325  // Plastic CH
 326  Float_t aPlastic[2]={1.01,12.01};
 327  Float_t zPlastic[2]={1,6};
 328  Float_t wPlastic[2]={1,1};
 329  Float_t denPlastic=1.03;
 330  //     60% SiO2 , 40% G10FR4
 331  // PC board
 332  Float_t apcb[3]  = { 28.0855,15.9994,17.749 };
 333  Float_t zpcb[3]  = { 14.,8.,8.875 };
 334  Float_t wpcb[3]  = { .28,.32,.4 };
 335  Float_t denspcb  = 1.8;
 336    //
 337
 338  //*** Definition Of avaible FMD materials ***
 339  AliMaterial(0, "FMD Air$", 14.61, 7.3, .001205, 30423.,999);
 340  AliMixture(1, "Plastic$",aPlastic,zPlastic,denPlastic,-2,wPlastic);
 341  AliMixture(2, "SSD PCB$",   apcb, zpcb, denspcb, 3, wpcb);
 342  AliMaterial(3, "SSD Copper$", 63.546, 29., 8.96, 1.43, 999.);
 343  AliMaterial(4, "SSD Si$",      28.0855, 14., 2.33, 9.36, 999.);
 344  AliMaterial(5, "SSD Si chip$", 28.0855, 14., 2.33, 9.36, 999.);
 345  AliMaterial(6, "SSD C$",       12.011,   6., 2.265,18.8, 999.);
 346  AliMaterial(7, "SSD Kapton$", 12.011, 6., 0.01, 31.27, 999.);//honeycomb
 347   AliMaterial(8, "SSD G10FR4$", 17.749, 8.875, 1.8, 21.822, 999.);
 348
 349
 350 //**
 351  AliMedium(0, "FMD air$", 0, 0, isxfld, sxmgmx, 1., .001, 1., .001, .001);
 352  AliMedium(1, "Plastic$", 1, 0,isxfld, sxmgmx,  10., .01, 1., .003, .003);
 353  AliMedium(2, "SSD PCB$", 2, 0, isxfld, sxmgmx, 1., .001, 1., .001, .001);
 354  AliMedium(3, "SSD Copper$", 3, 0,isxfld, sxmgmx,  10., .01, 1., .003, .003);
 355  AliMedium(4, "SSD Si$", 4, 1, isxfld, sxmgmx, 1., .001, 1., .001, .001);
 356  AliMedium(5, "SSD Si chip$", 5, 0,isxfld, sxmgmx,  10., .01, 1., .003, .003);
 357  AliMedium(6, "SSD C$", 6, 0,isxfld, sxmgmx,  10., .01, 1., .003, .003);
 358  AliMedium(7, "SSD Kapton$", 7, 0, isxfld, sxmgmx, 1., .001, 1., .001, .001);
 359  AliMedium(8, "SSD G10FR4$", 8, 0,isxfld, sxmgmx,  10., .01, 1., .003, .003);
 360
 361
 362
 363 }
 364
 365 //---------------------------------------------------------------------
 366 void AliFMDv2::DrawDetector()
 367 {
 368 //
 369 // Draw a shaded view of the Forward multiplicity detector version 0
 370 //
 371
 372
 373 //Set ALIC mother transparent
 374 gMC->Gsatt("ALIC","SEEN",0);
 375 //
 376 //Set volumes visible
 377 gMC->Gsatt("FMD1","SEEN",1);
 378 gMC->Gsatt("FMD2","SEEN",1);
 379 gMC->Gsatt("FMD3","SEEN",1);
 380 gMC->Gsatt("FMD4","SEEN",1);
 381 gMC->Gsatt("FMD5","SEEN",1);
 382
 383 //
 384 gMC->Gdopt("hide","on");
 385 gMC->Gdopt("shad","on");
 386 gMC->SetClipBox(".");
 387 gMC->SetClipBox("*",0,1000,-1000,1000,-1000,1000);
 388 gMC->DefaultRange();
 389 gMC->Gdraw("alic",40,30,0,12,9.5,.2,0.2);
 390 gMC->Gdhead(1111,"Forward multiplicity detector");
 391 gMC->Gdopt("hide","off");
 392 }
 393 //-------------------------------------------------------------------
 394 void AliFMDv2::Init()
 395 {
 396 // Initialises version 0 of the Forward Multiplicity Detector
 397 //
 398 AliFMD::Init();
 399 fIdSens1=gMC->VolId("GRN1");
 400 fIdSens2=gMC->VolId("GRN2");
 401 fIdSens3=gMC->VolId("GRN3");
 402 fIdSens4=gMC->VolId("GRN4");
 403 fIdSens5=gMC->VolId("GRN5");
 404 printf("*** FMD version 2 initialized ***\n");
 405 }
 406
 407 //-------------------------------------------------------------------
 408
 409 void AliFMDv2::StepManager()
 410 {
 411   //
 412   // Called for every step in the Forward Multiplicity Detector
 413   //
 414   Int_t id,copy,copy1,copy2;
 415   static Float_t hits[9];
 416   static Int_t vol[3];
 417   static Float_t de;
 418   TLorentzVector pos;
 419   TLorentzVector mom;
 420
 421
 422   TClonesArray &lhits = *fHits;
 423   if(!gMC->IsTrackAlive()) return; // particle has disappeared
 424
 425   Float_t charge = gMC->TrackCharge();
 426   if(TMath::Abs(charge)<=0.) return; //take only charged particles
 427
 428   //  printf(" in StepManeger \n");
 429   id=gMC->CurrentVolID(copy);
 430
 431 // Check the sensetive volume
 432    if(id==fIdSens1||id==fIdSens2||id==fIdSens3||id==fIdSens4||id==fIdSens5)
 433      {
 434        if(gMC->IsTrackEntering())
 435          {
 436            vol[2]=copy;
 437            gMC->CurrentVolOffID(1,copy1);
 438            vol[1]=copy1;
 439            gMC->CurrentVolOffID(2,copy2);
 440            vol[0]=copy2;
 441
 442            gMC->TrackPosition(pos);
 443            hits[0]=pos[0];
 444            hits[1]=pos[1];
 445            hits[2]=pos[2];
 446
 447            gMC->TrackMomentum(mom);
 448            hits[3]=mom[0];
 449            hits[4]=mom[1];
 450            hits[5]=mom[2];
 451
 452            Int_t iPart= gMC->TrackPid();
 453            Int_t partId=gMC->IdFromPDG(iPart);
 454            hits[7]=partId;
 455            hits[8]=1e9*gMC->TrackTime();
 456            de=0.;
 457          }
 458        if(gMC->IsTrackInside()){
 459            de=de+1000.*gMC->Edep();
 460        }
 461
 462        if(gMC->IsTrackExiting()
 463           ||gMC->IsTrackDisappeared()||
 464           gMC->IsTrackStop())
 465          {
 466              hits[6]=de+1000.*gMC->Edep();
 467       new(lhits[fNhits++]) AliFMDhit(fIshunt,gAlice->CurrentTrack(),vol,hits);
 468          } // IsTrackExiting()
 469      }
 470   }
 471
 472 //--------------------------------------------------------------------------
 473
 474 void AliFMDv2::Response( Float_t Edep)
 475 {
 476   Float_t I=1.664*0.04*2.33/22400; // = 0.69e-6;
 477   Float_t chargeOnly=Edep/I;
 478   //Add noise ~500electrons
 479   Int_t charge=500;
 480   if (Edep>0)
 481      charge=Int_t(gRandom->Gaus(chargeOnly,500));
 482  }
 483
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