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***************************************************************************** |
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INTEGER FUNCTION MYDECTRK() |
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c |
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IMPLICIT NONE |
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C |
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INCLUDE 'COMMON.TXT' |
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C |
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DOUBLE PRECISION al_p(5), |
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& xout(22),yout(22),zin(22) |
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C |
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REAL ZALIG, DISTX |
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REAL PIANO(22), VARFIT(2) |
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REAL TBAR(2,22), CBAR(2,22) |
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C |
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INTEGER m, i, T, IFAIL |
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INTEGER NPFIT(2) |
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C |
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REAL hmemor(9000000) |
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INTEGER Iquest(100) |
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C |
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COMMON / pawcd / hmemor |
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save / pawcd / |
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C |
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Common / QUESTd / Iquest |
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save / questd / |
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C |
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C Begin ! |
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C |
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MYDECTRK = 0 |
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C |
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C Z positions where to calculate the track |
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C |
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PIANO(1) = 0. |
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DO I = 2, 22 |
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IF ( MOD(I,2).EQ.0 ) THEN |
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PIANO(I) = PIANO(I-1) - 8.09 |
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ELSE |
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PIANO(I) = PIANO(I-1) - 10.09 |
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ENDIF |
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ENDDO |
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ZALIG = -263. |
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C |
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C BEGIN WITH THE FISRT TRACK |
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C |
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T = 1 |
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C |
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10 CONTINUE |
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C |
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C COPY THE ALFA VECTOR FROM AL_PP TO AL_P FOR THE TRACK "T" |
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C |
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do m = 1, 5 |
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al_p(m) = al_pp(t,m) |
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enddo |
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if (al_p(5).eq.0.) THEN |
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PRINT *,' MYDETECTOR2 - WARNING F77: track with R = 0, discarded' |
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GOTO 969 |
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ENDIF |
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C |
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C CALL THE TRACKING ROUTINE |
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C |
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DO M = 1,2 |
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DO I = 1,22 |
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XOUT(I) = 0. |
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YOUT(I) = 0. |
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IF (MOD(M,2).EQ.0) THEN |
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DISTX = PIANO(I) + ZALIG |
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ELSE |
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DISTX = PIANO(I) - 5.81 + ZALIG |
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ENDIF |
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ZIN(I) = distx / 10. |
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enddo |
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IFAIL = 0 |
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call TRACK(22,ZIN,XOUT,YOUT,AL_P,IFAIL) |
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if(IFAIL.ne.0)then |
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GOOD = 0 |
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print *,' MYDETECTOR2 - WARNING F77: tracking failed ' |
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goto 969 |
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endif |
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DO I = 1, 22 |
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C |
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C CHECK IF XOUT OR YOUT ARE NaN |
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C |
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IF (XOUT(I).NE.XOUT(I).OR.YOUT(I).NE.YOUT(I)) THEN |
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print *, |
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& ' MYDETECTOR2 - WARNING F77: tracking error (NaN values)' |
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GOTO 969 |
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ENDIF |
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C |
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ENDDO |
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ENDDO |
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969 continue |
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|
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C |
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C HERE WE MAKE SOME KIND OF ALTERNATIVE FIT WITH OUR INSTRUMENT TO COMPARE IT WITH THE TRACK COMING FROM TRACKER |
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C |
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|
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C |
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C IF WE HAVE A GOOD FIT FROM OUR INSTRUMENT (NPFIT(2).GT.15.AND.VARFIT(2).LT.1000) AND WE HAVE AN IMAGE TRACK WE CAN TRY TO SEE IF WE ARE CLOSER TO THE IMAGE OR TO THE MAIN TRACK |
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C |
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IF (GOOD.EQ.1.AND.NPFIT(2).GT.15.AND.VARFIT(2).LT.1000 |
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& .AND.TRKCHI2.EQ.1) THEN |
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IF (ABS(TBAR(2,1)-CBAR(2,1))<40.) THEN ! HERE WE CHECK IF THE TWO TRACKS ARE THE SAME PHYSICS TRACK |
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C |
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C GOOD, THE TWO TRACKS COINCIDE |
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C |
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IF (T.EQ.2) TRKCHI2 = 2 |
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GOTO 6996 |
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ELSE |
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C |
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C IT IS NOT A GOOD FIT BUT WE HAVE AN IMAGE AND THIS IS THE FIRST TRACK |
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C |
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IF (T.EQ.1) THEN |
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T = 2 |
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GOTO 10 |
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ENDIF |
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C |
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C IT IS NOT A GOOD FIT BUT WE HAVE AN IMAGE AND THIS IS THE SECOND TRACK, USE THE FIRST ONE |
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C |
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IF (T.EQ.2) THEN |
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TRKCHI2 = -1 |
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T = 1 |
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GOTO 10 |
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ENDIF |
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ENDIF |
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C |
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ENDIF |
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C |
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IF (T.EQ.1.AND.TRKCHI2.EQ.1) THEN |
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GOOD = 1 |
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T = 2 |
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GOTO 10 |
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ENDIF |
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C |
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|
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6996 CONTINUE |
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C |
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C HERE WE DETERMINE TRACK-RELATED VARIABLES |
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C |
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MYTRKVAR = 18. |
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|
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50 CONTINUE |
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C |
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RETURN |
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END |
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|
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