| 17 | include 'calib.f' | include 'calib.f' | 
| 18 | include 'level2.f' | include 'level2.f' | 
| 19 |  |  | 
| 20 |  | *     input flag | 
| 21 |  | * | 
| 22 |  | c      integer fin | 
| 23 |  |  | 
| 24 | *     flag to chose PFA | *     flag to chose PFA | 
| 25 | character*10 PFA | character*10 PFA | 
| 26 | common/FINALPFA/PFA | common/FINALPFA/PFA | 
| 31 | external npl | external npl | 
| 32 | external acoordsi,coordsi,nld,coord,dcoord | external acoordsi,coordsi,nld,coord,dcoord | 
| 33 |  |  | 
| 34 |  | integer hitplanex(6) | 
| 35 |  | integer hitplaney(6) | 
| 36 |  |  | 
| 37 |  | logical BAD_NUCLEUS | 
| 38 |  |  | 
| 39 | ************************************************************ | ************************************************************ | 
| 40 | ************************************************************ | ************************************************************ | 
| 41 | ************************************************************ | ************************************************************ | 
| 45 | ************************************************************ | ************************************************************ | 
| 46 | ************************************************************ | ************************************************************ | 
| 47 | ************************************************************ | ************************************************************ | 
|  | PFA='ETA' |  | 
| 48 |  |  | 
| 49 | if(DEBUG)then | call idtoc(pfaid,PFA) | 
| 50 |  |  | 
| 51 |  |  | 
| 52 |  | if(DEBUG.EQ.1)then | 
| 53 | print*,'----------------------------------' | print*,'----------------------------------' | 
| 54 | c         print*,'START... ',good1,nclstr1,nclstrmax_level2 | print*,'Settings: ' | 
| 55 |  | print*,'PFA                  ',pfaid,' ---> ',PFA | 
| 56 |  | print*,'tracking mode        ',trackmode | 
| 57 |  | print*,'fit-tolerance factor ',fact | 
| 58 |  | print*,'minimum n.step       ',istepmin | 
| 59 |  |  | 
| 60 | endif | endif | 
| 61 |  |  | 
| 62 | *------------------------------------------------------ | RECOVER_SINGLETS = .false. | 
| 63 | call init_level2 | RECOVER_NUCLEI   = .false. | 
| 64 | *------------------------------------------------------ | SECOND_SEARCH    = .false. | 
|  |  |  | 
|  | *------------------------------------------------------ |  | 
|  | *     cut on maximum number of clusters |  | 
|  | *------------------------------------------------------ |  | 
|  | c$$$      if(nclstr1.gt.nclstrmax_level2)then |  | 
|  | c$$$         goto 8800              !fill nt-uple and go to next event |  | 
|  | c$$$      endif |  | 
| 65 |  |  | 
| 66 |  | ntrk_old = 0 | 
| 67 |  |  | 
| 68 | do i=1,nclstr1 | do i=1,nclstr1 | 
| 69 | cl_used(i)=0           !init mask of clusters associated to a track | cl_used(i)=0           !init mask of clusters associated to a track | 
| 70 | enddo | enddo | 
| 71 |  | dedx_x_min = dedx_x_min_mip | 
| 72 | if(DEBUG)then | dedx_y_min = dedx_y_min_mip | 
| 73 | print*,'----------------------------------' | *------------------------------------------------------ | 
| 74 | print*,iev,'   ** ',nev2 | call init_level2 | 
| 75 | endif | call init_hough | 
| 76 |  | *------------------------------------------------------ | 
| 77 |  |  | 
| 78 |  | 888  continue | 
| 79 |  |  | 
| 80 |  |  | 
| 81 | *     /////////////////////////////////////////////// | *     /////////////////////////////////////////////// | 
| 82 | *     \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\ | *     \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\ | 
| 83 |  |  | 
| 87 | goto 880               !fill ntp and go to next event | goto 880               !fill ntp and go to next event | 
| 88 | endif | endif | 
| 89 |  |  | 
| 90 |  | *     ---------------------------------------------------- | 
| 91 |  | *     fill hough output variables only for the first searc | 
| 92 |  | *     ---------------------------------------------------- | 
| 93 |  | if(.not.SECOND_SEARCH)call fill_hough | 
| 94 |  |  | 
| 95 | iflag=0 | iflag=0 | 
| 96 | call track_fitting(iflag) | call track_fitting(iflag) | 
|  | if(iflag.eq.1)then        !bad event |  | 
|  | goto 880               !fill ntp and go to next event |  | 
|  | endif |  | 
| 97 |  |  | 
| 98 |  |  | 
| 99 |  | *     //////////////////////////////////////////////// | 
| 100 |  | *     PATCH to recover events with less than 3 couples | 
| 101 |  | *     //////////////////////////////////////////////// | 
| 102 |  | *     if no tracks have been found | 
| 103 |  | *     and n.planes with at least one couple (planehit) | 
| 104 |  | *     is less than 3 try to recover applying the hough | 
| 105 |  | *     transform to singlet | 
| 106 |  | nplanehit=0 | 
| 107 |  | do ip=1,NPLANES | 
| 108 |  | if(ncp_plane(ip).gt.0)nplanehit=nplanehit+1 | 
| 109 |  | enddo | 
| 110 |  | if(DEBUG.eq.1)then | 
| 111 |  | cc      if(.true.)then | 
| 112 |  | print*,'' | 
| 113 |  | print*,'-----------------------------------' | 
| 114 |  | print*,'n.tracks     ',ntrk | 
| 115 |  | print*,'n.hit-planes ',nplanehit | 
| 116 |  | endif | 
| 117 |  | if( | 
| 118 |  | $     .not.RECOVER_SINGLETS.and. !recover only once | 
| 119 |  | $     ntrk.eq.0            .and. !no tracks has been found | 
| 120 |  | $     nplanehit.le.3       .and. !if less than 3 hit planes (n.real couples) | 
| 121 |  | $     .true.)then | 
| 122 |  | RECOVER_SINGLETS=.true. | 
| 123 |  | cc         if(.true.) | 
| 124 |  | if(DEBUG.EQ.1) | 
| 125 |  | $        print*,' -----> ((( TRY TO RECOVER SINGLETS )))' | 
| 126 |  | goto 888               !back to track finding | 
| 127 |  | endif | 
| 128 |  |  | 
| 129 |  |  | 
| 130 |  | *     //////////////////////////////////////////////// | 
| 131 |  | *     PATCH to recover nuclei | 
| 132 |  | *     //////////////////////////////////////////////// | 
| 133 |  | itrk = ntrk               !check the last track first | 
| 134 |  | isimage = 0 | 
| 135 |  | BAD_NUCLEUS=.false. | 
| 136 |  | 150  continue | 
| 137 |  |  | 
| 138 |  | dedxav  = 0. | 
| 139 |  | npt     = 0 | 
| 140 |  | dedxmin = 1000000 | 
| 141 |  | if(itrk.gt.0)then | 
| 142 |  | do ip=1,NPLANES | 
| 143 |  | cc            print*,ip,' ** ',dedx_x(ip,itrk),dedx_y(ip,itrk) | 
| 144 |  | if(xgood_nt(ip,itrk).eq.1)then | 
| 145 |  | dedxav = dedxav + abs(dedx_x(ip,itrk)) | 
| 146 |  | if(abs(dedx_x(ip,itrk)).lt.dedxmin) | 
| 147 |  | $              dedxmin=abs(dedx_x(ip,itrk)) | 
| 148 |  | npt = npt + 1 | 
| 149 |  | endif | 
| 150 |  | if(ygood_nt(ip,itrk).eq.1)then | 
| 151 |  | dedxav = dedxav + abs(dedx_y(ip,itrk)) | 
| 152 |  | if(abs(dedx_y(ip,itrk)).lt.dedxmin) | 
| 153 |  | $              dedxmin=abs(dedx_y(ip,itrk)) | 
| 154 |  | npt = npt + 1 | 
| 155 |  | endif | 
| 156 |  | enddo | 
| 157 |  | if(npt.gt.0)dedxav = dedxav/npt | 
| 158 |  | if(  dedxav.gt.dedx_min_nuclei )then | 
| 159 |  | if( (dedxav-dedxmin)/dedxav.gt.ddedx_min_nuclei ) | 
| 160 |  | $           BAD_NUCLEUS=.true. | 
| 161 |  | endif | 
| 162 |  | endif | 
| 163 |  | if(DEBUG.eq.1)then | 
| 164 |  | cc      if(.true.)then | 
| 165 |  | print*,'' | 
| 166 |  | print*,'-----------------------------------' | 
| 167 |  | print*,'itrk          ',itrk | 
| 168 |  | print*,'dedx(average) ',dedxav,' cut ',dedx_min_nuclei | 
| 169 |  | print*,'dedx(minimum) ',dedxmin | 
| 170 |  | if(dedxav.gt.0)print*,'(av-min)/av',(dedxav-dedxmin)/dedxav | 
| 171 |  | $        ,' cut ',ddedx_min_nuclei | 
| 172 |  | print*,'BAD_NUCLEUS ? ',BAD_NUCLEUS | 
| 173 |  | endif | 
| 174 |  |  | 
| 175 |  | itrk=0 | 
| 176 |  | if(ntrk.gt.0)itrk = image(ntrk) | 
| 177 |  | if(itrk.gt.0.and.isimage.eq.0)then      !hence check the image | 
| 178 |  | isimage=1 | 
| 179 |  | goto 150 | 
| 180 |  | endif | 
| 181 |  |  | 
| 182 |  |  | 
| 183 |  | if( | 
| 184 |  | $     .not.RECOVER_NUCLEI.and. !recover only once | 
| 185 |  | $     (ntrk.eq.0.or.BAD_NUCLEUS).and. !no tracks found or bad nucleus | 
| 186 |  | $     .true.)then | 
| 187 |  |  | 
| 188 |  | RECOVER_NUCLEI   = .true. | 
| 189 |  | dedx_x_min = dedx_x_min_nuclei | 
| 190 |  | dedx_y_min = dedx_y_min_nuclei | 
| 191 |  | cc         if(.true.) | 
| 192 |  | if(DEBUG.EQ.1) | 
| 193 |  | $     print*,' -----> ((( TRY TO RECOVER NUCLEI )))' | 
| 194 |  | *     ---------------------------------------------- | 
| 195 |  | *     in case of re-tracking, un-tag used clusters | 
| 196 |  | *     ---------------------------------------------- | 
| 197 |  | if(ntrk.ne.0)then | 
| 198 |  | do ip=1,NPLANES | 
| 199 |  | if(cltrx(ip,ntrk).ne.0)cl_used(cltrx(ip,ntrk)) = 0 !un-tag used clusters | 
| 200 |  | if(cltry(ip,ntrk).ne.0)cl_used(cltry(ip,ntrk)) = 0 !un-tag used clusters | 
| 201 |  | enddo | 
| 202 |  | ntrk = ntrk-1       !decrement track | 
| 203 |  | if(isimage.eq.1)then | 
| 204 |  | do ip=1,NPLANES | 
| 205 |  | if(cltrx(ip,ntrk).ne.0)cl_used(cltrx(ip,ntrk)) = 0 !un-tag used clusters | 
| 206 |  | if(cltry(ip,ntrk).ne.0)cl_used(cltry(ip,ntrk)) = 0 !un-tag used clusters | 
| 207 |  | enddo | 
| 208 |  | ntrk = ntrk-1    !decrement track image | 
| 209 |  | endif | 
| 210 |  | endif | 
| 211 |  | goto 888               !back to track finding | 
| 212 |  |  | 
| 213 |  | endif | 
| 214 |  | *     ---------------------------------------------- | 
| 215 |  | *     back to default parameters for the second-track search | 
| 216 |  | *     ---------------------------------------------- | 
| 217 |  | if(RECOVER_NUCLEI)then | 
| 218 |  | dedx_x_min = dedx_x_min_mip | 
| 219 |  | dedx_y_min = dedx_y_min_mip | 
| 220 |  | RECOVER_NUCLEI   = .false. | 
| 221 |  | endif | 
| 222 |  |  | 
| 223 |  | if(ntrk.eq.0)goto 880 | 
| 224 |  |  | 
| 225 |  | *     ///////////////////////////////////////////////////// | 
| 226 |  | *     PATCH to perform a more efficient second-track search | 
| 227 |  | *     ///////////////////////////////////////////////////// | 
| 228 |  | *     ------------------------------------------------- | 
| 229 |  | *     n. hit planes and number of clusters | 
| 230 |  | *     ------------------------------------------------- | 
| 231 |  | do ip=1,NPLANES | 
| 232 |  | hitplanex(ip)=0 | 
| 233 |  | hitplaney(ip)=0 | 
| 234 |  | nclusters=0 | 
| 235 |  | enddo | 
| 236 |  | do icl=1,nclstr1 | 
| 237 |  | ip = npl(VIEW(icl)) | 
| 238 |  | if(cl_good(icl).eq.0.or.cl_used(icl).eq.1)goto 9 | 
| 239 |  | if(mod(VIEW(icl),2).eq.1)hitplaney(ip)=hitplaney(ip)+1 !YY | 
| 240 |  | if(mod(VIEW(icl),2).eq.0)hitplanex(ip)=hitplanex(ip)+1 !XX | 
| 241 |  | nclusters=nclusters+1 | 
| 242 |  | 9       continue | 
| 243 |  | enddo | 
| 244 |  | nhitplaney=0 | 
| 245 |  | nhitplanex=0 | 
| 246 |  | do ip=1,NPLANES | 
| 247 |  | if(hitplaney(ip).gt.0)nhitplaney=nhitplaney+1 | 
| 248 |  | if(hitplanex(ip).gt.0)nhitplanex=nhitplanex+1 | 
| 249 |  | enddo | 
| 250 |  | *     ------------------------------------------------- | 
| 251 |  | *     chi2 cut | 
| 252 |  | *     ------------------------------------------------- | 
| 253 |  | p0 = 1.111588e+00 | 
| 254 |  | p1 = 1.707656e+00 | 
| 255 |  | p2 = 1.489693e-01 | 
| 256 |  | chi2m025 = p0 | 
| 257 |  | $     + abs(al_nt(5,ntrk))*p1 | 
| 258 |  | $     + al_nt(5,ntrk)*al_nt(5,ntrk)*p2 | 
| 259 |  | chi2m025_0 = p0 + 0.07*p1 + 0.07*0.07*p2 | 
| 260 |  | cc      chi2m = (chi2m025-chi2m025_0+12**0.25)**4. !95% | 
| 261 |  | chi2m = (chi2m025-chi2m025_0+20.**0.25)**4. !??? | 
| 262 |  | *     ------------------------------------------------- | 
| 263 |  | *     image track | 
| 264 |  | *     ------------------------------------------------- | 
| 265 |  | ntrk_best = ntrk | 
| 266 |  | chi2_best = chi2_nt(ntrk) | 
| 267 |  | if(image(ntrk).ne.0) | 
| 268 |  | $     chi2_best = min(chi2_nt(ntrk),chi2_nt(image(ntrk))) | 
| 269 |  | if(DEBUG.eq.1)then | 
| 270 |  | cc      if(.true.)then | 
| 271 |  | print*,'' | 
| 272 |  | print*,'-----------------------------------' | 
| 273 |  | print*,'chi2_nt(',ntrk_best,') = ',chi2_best,' < ',chi2m,' ?' | 
| 274 |  | print*,'nhitplanex',nhitplanex | 
| 275 |  | print*,'nhitplaney',nhitplaney | 
| 276 |  | print*,'nclusters',nclusters | 
| 277 |  | endif | 
| 278 |  | if( | 
| 279 |  | $     ntrk.gt.ntrk_old.and. !one track must have been already found | 
| 280 |  | $     chi2_best.gt.0 .and.     !this track must not be garbage | 
| 281 |  | $     chi2_best.lt.chi2m .and. !" | 
| 282 |  | $     nhitplaney.ge.3.and. !a minimum number of hit planes is required | 
| 283 |  | $     nhitplanex.ge.3.and. !" | 
| 284 |  | $     nclusters.le.20.and. !limit on number of clusters to save time | 
| 285 |  | $     .true.)then | 
| 286 |  |  | 
| 287 |  | SECOND_SEARCH=.true. | 
| 288 |  | c         RECOVER_SINGLETS=.true.      !OPTIMIZATION | 
| 289 |  | ntrk_old=ntrk | 
| 290 |  |  | 
| 291 |  | if(DEBUG.EQ.1) | 
| 292 |  | cc         if(.true.) | 
| 293 |  | $        print*,'***** NEW SEARCH ****' | 
| 294 |  | goto 888               !back to track finding | 
| 295 |  |  | 
| 296 |  | endif | 
| 297 |  |  | 
| 298 | 880  continue | 880  continue | 
| 299 |  |  | 
| 303 |  |  | 
| 304 | call fill_level2_siglets | call fill_level2_siglets | 
| 305 |  |  | 
| 306 | if(DEBUG)then | if(DEBUG.EQ.1)then | 
|  |  |  | 
| 307 | print*,'' | print*,'' | 
| 308 | print*,'DONE!' | print*,'DONE!' | 
| 309 | print*,'' | print*,'' | 
| 313 | print*,'' | print*,'' | 
| 314 | print*,'' | print*,'' | 
| 315 | endif | endif | 
| 316 |  |  | 
| 317 |  | ngood = 0 | 
| 318 |  | do iv = 1,nviews | 
| 319 |  | ngood = ngood + good1(iv) | 
| 320 |  | enddo | 
| 321 |  |  | 
| 322 | 8800 continue | c 8800 continue | 
| 323 |  | continue | 
| 324 |  |  | 
| 325 |  |  | 
| 326 | *     /////////////////////////////////////////////// | *     /////////////////////////////////////////////// | 
| 327 | *     \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\ | *     \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\ | 
| 328 |  |  | 
| 329 | 100  continue | c 100  continue | 
| 330 |  | continue | 
| 331 |  |  | 
| 332 | return | return | 
| 333 | end | end |