| 41 |
* !the tracking procedure |
* !the tracking procedure |
| 42 |
DATA STEPMAX/100./ !maximum number of steps in the trackin gprocess |
DATA STEPMAX/100./ !maximum number of steps in the trackin gprocess |
| 43 |
|
|
| 44 |
|
c DATA ALMAX/dinf,dinf,1.,dinf,dinf/ !limits on alpha vector components |
| 45 |
|
c DATA ALMIN/-dinf,-dinf,-1.,-dinf,-dinf/ !" |
| 46 |
DATA ALMAX/dinf,dinf,1.,dinf,dinf/ !limits on alpha vector components |
DATA ALMAX/dinf,dinf,1.,dinf,dinf/ !limits on alpha vector components |
| 47 |
DATA ALMIN/-dinf,-dinf,-1.,-dinf,-dinf/ !" |
DATA ALMIN/-dinf,-dinf,-1.,-dinf,-dinf/ !" |
| 48 |
|
|
| 140 |
RETURN |
RETURN |
| 141 |
ENDIF |
ENDIF |
| 142 |
|
|
| 143 |
COST=1e-7 |
COST=1e-5 |
| 144 |
DO I=1,5 |
DO I=1,5 |
| 145 |
DO J=1,5 |
DO J=1,5 |
| 146 |
CHI2DD(I,J)=CHI2DD(I,J)*COST |
CHI2DD(I,J)=CHI2DD(I,J)*COST |
| 272 |
c$$$ ENDDO |
c$$$ ENDDO |
| 273 |
c$$$ print*,'chi2 -- ',DCHI2 |
c$$$ print*,'chi2 -- ',DCHI2 |
| 274 |
|
|
| 275 |
|
IF(ISTEP.LT.3) GOTO 10 ! ***PP*** |
| 276 |
DO I=1,5 |
DO I=1,5 |
| 277 |
IF(ABS(DAL(I)).GT.ALTOL(I))GOTO 10 !>>>> new step! |
IF(ABS(DAL(I)).GT.ALTOL(I))GOTO 10 !>>>> new step! |
| 278 |
ENDDO |
ENDDO |
| 467 |
+ *( XGOOD(I)*(1-YGOOD(I)) ) |
+ *( XGOOD(I)*(1-YGOOD(I)) ) |
| 468 |
+ +((XV(I)-XM(I))**2+(YV(I)-YM(I))**2)/RESY(i)**2 |
+ +((XV(I)-XM(I))**2+(YV(I)-YM(I))**2)/RESY(i)**2 |
| 469 |
+ *( (1-XGOOD(I))*YGOOD(I) ) |
+ *( (1-XGOOD(I))*YGOOD(I) ) |
| 470 |
|
c$$$ print*,(XV(I)-XM(I))**2/RESX(i)**2 *( XGOOD(I)*YGOOD(I) ) |
| 471 |
|
c$$$ print*,(YV(I)-YM(I))**2/RESY(i)**2 *( YGOOD(I)*XGOOD(I) ) |
| 472 |
|
c$$$ print*,((XV(I)-XM(I))**2+(YV(I)-YM(I))**2)/RESX(i)**2 |
| 473 |
|
c$$$ + *( XGOOD(I)*(1-YGOOD(I)) ) |
| 474 |
|
c$$$ print*,((XV(I)-XM(I))**2+(YV(I)-YM(I))**2)/RESY(i)**2 |
| 475 |
|
c$$$ + *( (1-XGOOD(I))*YGOOD(I) ) |
| 476 |
|
c$$$ print*,XV(I),XM(I),XGOOD(I) |
| 477 |
|
c$$$ print*,YV(I),YM(I),YGOOD(I) |
| 478 |
ENDDO |
ENDDO |
| 479 |
c print*,'CHISQ ',chi2 |
c$$$ print*,'CHISQ ',chi2 |
| 480 |
* ------------------------------------------------ |
* ------------------------------------------------ |
| 481 |
* |
* |
| 482 |
* calculation of derivatives (dX/dAL_fa and dY/dAL_fa) |
* calculation of derivatives (dX/dAL_fa and dY/dAL_fa) |
| 652 |
IF(AL_P(5).NE.0.) VOUT(7)=DABS(1./AL_P(5)) |
IF(AL_P(5).NE.0.) VOUT(7)=DABS(1./AL_P(5)) |
| 653 |
IF(AL_P(5).EQ.0.) VOUT(7)=1.E8 |
IF(AL_P(5).EQ.0.) VOUT(7)=1.E8 |
| 654 |
|
|
| 655 |
c$$$ print*,'POSXY ',vout |
c$$$ print*,'POSXY (prima) ',vout |
| 656 |
|
|
| 657 |
DO I=1,nplanes |
DO I=1,nplanes |
| 658 |
step=vout(3)-zv(i) |
step=vout(3)-zv(i) |
| 687 |
GOTO 11 |
GOTO 11 |
| 688 |
ENDIF |
ENDIF |
| 689 |
|
|
| 690 |
|
|
| 691 |
* ----------------------------------------------- |
* ----------------------------------------------- |
| 692 |
* evaluate track coordinates |
* evaluate track coordinates |
| 693 |
100 XV(I)=VOUT(1) |
100 XV(I)=VOUT(1) |
| 699 |
|
|
| 700 |
ENDDO |
ENDDO |
| 701 |
|
|
| 702 |
|
c$$$ print*,'POSXY (dopo) ',vout |
| 703 |
|
|
| 704 |
|
|
| 705 |
RETURN |
RETURN |
| 706 |
END |
END |
| 707 |
|
|
| 812 |
ZP(NP)=ZM(I) |
ZP(NP)=ZM(I) |
| 813 |
ENDIF |
ENDIF |
| 814 |
ENDDO |
ENDDO |
| 815 |
|
IFLAG=0 !no debug mode |
| 816 |
CALL TRICIRCLE(NP,XP,ZP,AP,RP,CHI,XC,ZC,RADIUS,IFLAG) |
CALL TRICIRCLE(NP,XP,ZP,AP,RP,CHI,XC,ZC,RADIUS,IFLAG) |
| 817 |
c print*,' circle: ',XC,ZC,RADIUS,' --- ',CHI |
c print*,' circle: ',XC,ZC,RADIUS,' --- ',CHI,IFLAG |
| 818 |
IF(IFLAG.NE.0)GOTO 10 !straigth fit |
IF(IFLAG.NE.0)GOTO 10 !straigth fit |
| 819 |
|
if(CHI.gt.100)GOTO 10 !straigth fit |
| 820 |
ARG = RADIUS**2-(ZINI-ZC)**2 |
ARG = RADIUS**2-(ZINI-ZC)**2 |
| 821 |
IF(ARG.LT.0)GOTO 10 !straigth fit |
IF(ARG.LT.0)GOTO 10 !straigth fit |
| 822 |
DC = SQRT(ARG) |
DC = SQRT(ARG) |
| 825 |
AX = -(ZINI-ZC)/DC |
AX = -(ZINI-ZC)/DC |
| 826 |
DEF=100./(RADIUS*0.3*0.43) |
DEF=100./(RADIUS*0.3*0.43) |
| 827 |
IF(XC.GT.0)DEF=-DEF |
IF(XC.GT.0)DEF=-DEF |
| 828 |
|
|
| 829 |
|
IF(ABS(X0).GT.30)THEN |
| 830 |
|
c$$$ PRINT*,'STRANGE GUESS: XC,ZC,R ',XC,ZC,RADIUS |
| 831 |
|
c$$$ $ ,' - CHI ',CHI,' - X0,AX,DEF ',X0,AX,DEF |
| 832 |
|
GOTO 10 !straigth fit |
| 833 |
|
ENDIF |
| 834 |
GOTO 20 !guess is ok |
GOTO 20 !guess is ok |
| 835 |
|
|
| 836 |
* ---------------------------------------- |
* ---------------------------------------- |
| 872 |
AL(2) = Y0 |
AL(2) = Y0 |
| 873 |
tath = sqrt(AY**2+AX**2) |
tath = sqrt(AY**2+AX**2) |
| 874 |
AL(3) = tath/sqrt(1+tath**2) |
AL(3) = tath/sqrt(1+tath**2) |
| 875 |
IF(AX.NE.0)THEN |
c$$$ IF(AX.NE.0)THEN |
| 876 |
AL(4)= atan(AY/AX) |
c$$$ AL(4)= atan(AY/AX) |
| 877 |
ELSE |
c$$$ ELSE |
| 878 |
AL(4) = acos(-1.)/2 |
c$$$ AL(4) = acos(-1.)/2 |
| 879 |
IF(AY.LT.0)AL(4) = AL(4)+acos(-1.) |
c$$$ IF(AY.LT.0)AL(4) = AL(4)+acos(-1.) |
| 880 |
|
c$$$ ENDIF |
| 881 |
|
c$$$ IF(AX.LT.0)AL(4)= acos(-1.)+ AL(4) |
| 882 |
|
c$$$ AL(4) = -acos(-1.) + AL(4) !from incidence direction to tracking ref.sys. |
| 883 |
|
|
| 884 |
|
c$$$ AL(4) = 0. |
| 885 |
|
c$$$ IF(AX.NE.0.AND.AY.NE.0)THEN |
| 886 |
|
c$$$ AL(4)= atan(AY/AX) |
| 887 |
|
c$$$ ELSEIF(AY.EQ.0)THEN |
| 888 |
|
c$$$ AL(4) = 0. |
| 889 |
|
c$$$ IF(AX.LT.0)AL(4) = AL(4)+acos(-1.) |
| 890 |
|
c$$$ ELSEIF(AX.EQ.0)THEN |
| 891 |
|
c$$$ AL(4) = acos(-1.)/2 |
| 892 |
|
c$$$ IF(AY.LT.0)AL(4) = AL(4)+acos(-1.) |
| 893 |
|
c$$$ ENDIF |
| 894 |
|
c$$$ IF(AX.LT.0)AL(4)= acos(-1.)+ AL(4) |
| 895 |
|
c$$$ AL(4) = -acos(-1.) + AL(4) !from incidence direction to tracking ref.sys. |
| 896 |
|
|
| 897 |
|
c$$$ AL(4)=0. |
| 898 |
|
c$$$ IF( AX.NE.0.OR.AY.NE.0. ) THEN |
| 899 |
|
c$$$ AL(4) = ASIN(AY/SQRT(AX**2+AY**2)) |
| 900 |
|
c$$$ IF(AX.LT.0.) AL(4) = ACOS(-1.0)-AL(4) |
| 901 |
|
c$$$ ENDIF |
| 902 |
|
|
| 903 |
|
AL(4)=0. |
| 904 |
|
IF( AX.NE.0.OR.AY.NE.0. ) THEN |
| 905 |
|
AL(4) = ASIN(AY/SQRT(AX**2+AY**2)) |
| 906 |
|
IF(AX.LT.0.AND.AY.GE.0) AL(4) = ACOS(-1.0)-AL(4) |
| 907 |
|
IF(AX.LT.0.AND.AY.LT.0) AL(4) = -ACOS(-1.0)-AL(4) |
| 908 |
ENDIF |
ENDIF |
| 909 |
IF(AX.LT.0)AL(4)= acos(-1.)+ AL(4) |
IF(AY.GT.0.) AL(4) = AL(4)-ACOS(-1.0) |
| 910 |
AL(4) = -acos(-1.) + AL(4) !from incidence direction to tracking rs |
IF(AY.LE.0.) AL(4) = AL(4)+ACOS(-1.0) |
| 911 |
|
|
| 912 |
AL(5) = DEF |
AL(5) = DEF |
| 913 |
|
|
| 914 |
c print*,' guess: ',(al(i),i=1,5) |
c print*,' guess: ',(al(i),i=1,5) |