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************************************************************************* |
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* Program analysis.f |
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* |
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* - reads cluster information (LEVEL1, reduction.f output ntuple) |
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* - perform track identification and fit |
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* - create LEVEL2 ntuple |
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* |
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************************************************************************* |
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subroutine analysisflight |
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|
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include 'commontracker.f' |
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include 'level1.f' |
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include 'common_momanhough.f' |
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include 'common_mech.f' |
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include 'common_xyzPAM.f' |
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include 'common_mini_2.f' |
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include 'calib.f' |
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include 'level2.f' |
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|
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* input flag |
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* |
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c integer fin |
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|
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* flag to chose PFA |
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character*10 PFA |
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common/FINALPFA/PFA |
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|
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c parameter (inf=1.e8) !just a huge number... |
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|
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* external functions |
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external npl |
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external acoordsi,coordsi,nld,coord,dcoord |
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|
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integer hitplanex(6) |
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integer hitplaney(6) |
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|
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logical BAD_NUCLEUS |
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|
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************************************************************ |
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************************************************************ |
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************************************************************ |
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* |
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* track analysis |
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* |
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************************************************************ |
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************************************************************ |
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************************************************************ |
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|
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call idtoc(pfaid,PFA) |
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|
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|
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if(DEBUG.EQ.1)then |
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print*,'----------------------------------' |
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print*,'Settings: ' |
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print*,'PFA ',pfaid,' ---> ',PFA |
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print*,'tracking mode ',trackmode |
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print*,'fit-tolerance factor ',fact |
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print*,'minimum n.step ',istepmin |
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|
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endif |
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|
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RECOVER_SINGLETS = .false. |
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RECOVER_NUCLEI = .false. |
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SECOND_SEARCH = .false. |
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|
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ntrk_old = 0 |
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|
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dedx_x_min = dedx_x_min_mip !mip search |
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dedx_y_min = dedx_y_min_mip ! |
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|
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c 887 continue ! Emiliano, fix compilation warning (gcc 4.1), Label 887 defined but not used |
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|
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*------------------------------------------------------ |
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do i=1,nclstr1 |
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cl_used(i)=0 !init mask of clusters associated to a track |
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enddo |
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|
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call init_level2 |
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call init_hough |
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*------------------------------------------------------ |
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|
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888 continue |
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|
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|
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* /////////////////////////////////////////////// |
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* \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\ |
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|
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iflag=0 |
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call track_finding(iflag) |
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if(iflag.eq.1)then !bad event |
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goto 880 !fill ntp and go to next event |
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endif |
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|
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* ---------------------------------------------------- |
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* fill hough output variables only for the first searc |
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* ---------------------------------------------------- |
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if(.not.SECOND_SEARCH)call fill_hough |
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|
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iflag=0 |
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call track_fitting(iflag) |
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|
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|
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* //////////////////////////////////////////////// |
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* PATCH to recover events with less than 3 couples |
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* //////////////////////////////////////////////// |
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* if no tracks have been found |
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* and n.planes with at least one couple (planehit) |
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* is less than 3 try to recover applying the hough |
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* transform to singlet |
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nplanehit=0 |
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do ip=1,NPLANES |
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if(ncp_plane(ip).gt.0)nplanehit=nplanehit+1 |
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enddo |
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if(DEBUG.eq.1)then |
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cc if(.true.)then |
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print*,'' |
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print*,'-----------------------------------' |
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print*,'n.tracks ',ntrk |
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print*,'n.hit-planes ',nplanehit |
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endif |
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if( |
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$ .not.RECOVER_SINGLETS.and. !recover only once |
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$ ntrk.eq.0 .and. !no tracks has been found |
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$ nplanehit.le.3 .and. !if less than 3 hit planes (n.real couples) |
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$ .true.)then |
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RECOVER_SINGLETS=.true. |
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cc if(.true.) |
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if(DEBUG.EQ.1) |
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$ print*,' -----> ((( TRY TO RECOVER SINGLETS )))' |
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goto 888 !back to track finding |
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endif |
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|
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|
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* @~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@ |
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* |
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* EV may 2014 ==> SKIP NUCLEI PATCH |
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* (done differently...) |
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* |
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* @~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@ |
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goto 7575 |
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|
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|
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* //////////////////////////////////////////////// |
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* PATCH to recover nuclei |
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* //////////////////////////////////////////////// |
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itrk = ntrk !check the last track first |
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isimage = 0 |
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BAD_NUCLEUS=.false. |
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150 continue |
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|
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dedxav = 0. |
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npt = 0 |
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dedxmin = 1000000 |
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if(itrk.gt.0)then |
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do ip=1,NPLANES |
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cc print*,ip,' ** ',dedx_x(ip,itrk),dedx_y(ip,itrk) |
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if(xgood_nt(ip,itrk).eq.1)then |
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dedxav = dedxav + abs(dedx_x(ip,itrk)) |
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if(abs(dedx_x(ip,itrk)).lt.dedxmin) |
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$ dedxmin=abs(dedx_x(ip,itrk)) |
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npt = npt + 1 |
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endif |
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if(ygood_nt(ip,itrk).eq.1)then |
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dedxav = dedxav + abs(dedx_y(ip,itrk)) |
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if(abs(dedx_y(ip,itrk)).lt.dedxmin) |
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$ dedxmin=abs(dedx_y(ip,itrk)) |
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npt = npt + 1 |
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endif |
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enddo |
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if(npt.gt.0)dedxav = dedxav/npt |
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if( dedxav.gt.dedx_min_nuclei )then |
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if( (dedxav-dedxmin)/dedxav.gt.ddedx_min_nuclei ) |
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$ BAD_NUCLEUS=.true. |
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endif |
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endif |
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if(DEBUG.eq.1)then |
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cc if(.true.)then |
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print*,'' |
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print*,'-----------------------------------' |
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print*,'itrk ',itrk |
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print*,'dedx(average) ',dedxav,' cut ',dedx_min_nuclei |
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print*,'dedx(minimum) ',dedxmin |
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if(dedxav.gt.0)print*,'(av-min)/av',(dedxav-dedxmin)/dedxav |
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$ ,' cut ',ddedx_min_nuclei |
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print*,'BAD_NUCLEUS ? ',BAD_NUCLEUS |
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endif |
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|
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itrk=0 |
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if(ntrk.gt.0)itrk = image(ntrk) |
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if(itrk.gt.0.and.isimage.eq.0)then !hence check the image |
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isimage=1 |
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goto 150 |
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endif |
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|
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|
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if( |
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$ .not.RECOVER_NUCLEI.and. !recover only once |
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$ (ntrk.eq.0.or.BAD_NUCLEUS).and. !no tracks found or bad nucleus |
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$ .true.)then |
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|
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RECOVER_NUCLEI = .true. |
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dedx_x_min = dedx_x_min_nuclei |
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dedx_y_min = dedx_y_min_nuclei |
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cc if(.true.) |
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if(DEBUG.EQ.1) |
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$ print*,' -----> ((( TRY TO RECOVER NUCLEI )))' |
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* ---------------------------------------------- |
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* in case of re-tracking, un-tag used clusters |
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* ---------------------------------------------- |
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if(ntrk.ne.0)then |
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do ip=1,NPLANES |
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if(cltrx(ip,ntrk).ne.0)cl_used(cltrx(ip,ntrk)) = 0 !un-tag used clusters |
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if(cltry(ip,ntrk).ne.0)cl_used(cltry(ip,ntrk)) = 0 !un-tag used clusters |
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enddo |
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ntrk = ntrk-1 !decrement track |
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if(isimage.eq.1)then |
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do ip=1,NPLANES |
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if(cltrx(ip,ntrk).ne.0)cl_used(cltrx(ip,ntrk)) = 0 !un-tag used clusters |
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if(cltry(ip,ntrk).ne.0)cl_used(cltry(ip,ntrk)) = 0 !un-tag used clusters |
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enddo |
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ntrk = ntrk-1 !decrement track image |
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endif |
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endif |
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goto 888 !back to track finding |
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|
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endif |
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* ---------------------------------------------- |
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* back to default parameters for the second-track search |
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* ---------------------------------------------- |
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if(RECOVER_NUCLEI)then |
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dedx_x_min = dedx_x_min_mip |
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dedx_y_min = dedx_y_min_mip |
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RECOVER_NUCLEI = .false. |
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endif |
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|
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* @~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@ |
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7575 continue |
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* @~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@ |
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|
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if(ntrk.eq.0)goto 880 |
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|
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* ///////////////////////////////////////////////////// |
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* PATCH to perform a more efficient second-track search |
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* ///////////////////////////////////////////////////// |
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* ------------------------------------------------- |
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* n. hit planes and number of clusters |
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* ------------------------------------------------- |
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do ip=1,NPLANES |
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hitplanex(ip)=0 |
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hitplaney(ip)=0 |
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nclusters=0 |
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enddo |
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do icl=1,nclstr1 |
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ip = npl(VIEW(icl)) |
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if(cl_good(icl).eq.0.or.cl_used(icl).eq.1)goto 9 |
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if(mod(VIEW(icl),2).eq.1)hitplaney(ip)=hitplaney(ip)+1 !YY |
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if(mod(VIEW(icl),2).eq.0)hitplanex(ip)=hitplanex(ip)+1 !XX |
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nclusters=nclusters+1 |
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9 continue |
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enddo |
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nhitplaney=0 |
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nhitplanex=0 |
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do ip=1,NPLANES |
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if(hitplaney(ip).gt.0)nhitplaney=nhitplaney+1 |
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if(hitplanex(ip).gt.0)nhitplanex=nhitplanex+1 |
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enddo |
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* ------------------------------------------------- |
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* chi2 cut |
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* ------------------------------------------------- |
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p0 = 1.111588e+00 |
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p1 = 1.707656e+00 |
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p2 = 1.489693e-01 |
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chi2m025 = p0 |
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$ + abs(al_nt(5,ntrk))*p1 |
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$ + al_nt(5,ntrk)*al_nt(5,ntrk)*p2 |
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chi2m025_0 = p0 + 0.07*p1 + 0.07*0.07*p2 |
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cc chi2m = (chi2m025-chi2m025_0+12**0.25)**4. !95% |
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chi2m = (chi2m025-chi2m025_0+20.**0.25)**4. !??? |
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* ------------------------------------------------- |
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* image track |
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* ------------------------------------------------- |
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ntrk_best = ntrk |
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chi2_best = chi2_nt(ntrk) |
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if(image(ntrk).ne.0) |
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$ chi2_best = min(chi2_nt(ntrk),chi2_nt(image(ntrk))) |
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if(DEBUG.eq.1)then |
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cc if(.true.)then |
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print*,'' |
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print*,'-----------------------------------' |
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print*,'chi2_nt(',ntrk_best,') = ',chi2_best,' < ',chi2m,' ?' |
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print*,'nhitplanex',nhitplanex |
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print*,'nhitplaney',nhitplaney |
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print*,'nclusters',nclusters |
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endif |
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if( |
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$ ntrk.gt.ntrk_old.and. !one track must have been already found |
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$ chi2_best.gt.0 .and. !this track must not be garbage |
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$ chi2_best.lt.chi2m .and. !" |
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$ nhitplaney.ge.3.and. !a minimum number of hit planes is required |
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$ nhitplanex.ge.3.and. !" |
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$ nclusters.le.20.and. !limit on number of clusters to save time |
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$ .true.)then |
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|
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SECOND_SEARCH=.true. |
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c RECOVER_SINGLETS=.true. !OPTIMIZATION |
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ntrk_old=ntrk |
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|
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if(DEBUG.EQ.1) |
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cc if(.true.) |
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$ print*,'***** NEW SEARCH ****' |
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goto 888 !back to track finding |
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|
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endif |
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|
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880 continue |
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|
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* ********************************************************** |
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* stores info about clusters not associated with any track |
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* ********************************************************** |
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|
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call fill_level2_siglets |
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|
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if(DEBUG.EQ.1)then |
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print*,'' |
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print*,'DONE!' |
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print*,'' |
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print*,'* summary *' |
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print*,'tracks ',ntrk |
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print*,'cl used ',(cl_used(i),i=1,nclstr1) |
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print*,'' |
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print*,'' |
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endif |
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|
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ngood = 0 |
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do iv = 1,nviews |
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ngood = ngood + good1(iv) |
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enddo |
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|
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c 8800 continue |
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continue |
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|
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|
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* /////////////////////////////////////////////// |
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* \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\ |
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|
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c 100 continue |
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continue |
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|
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return |
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end |
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|
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|
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************************************************************ |
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|
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