*-- Author : I. O. Skillicorn 24/04/95
SUBROUTINE FPSPC
*
* SELECT SINGLE PLANAR SEGMENTS IN 1ST MODULE
* THAT DO NOT PROJECT INTO FIRST RADIAL MODULE
*
* Fit parameters are in H1WORK:
* RPCOSG(K) = Slope of Phi-z fit
* RPSING(K) = Slope of R-z fit
* PHZG(K) = Intercept of Phi-z fit (at z=0)
* ZIG(K) = Intercept of R-z fit (at z=0)
* Errors are in FTRERR:
* COMMON /FTRERR/ DSLPHI, DPHZER, COVP, DSLPR, DRZER, COVR
* Dxxxx = sigma (not squared) of parameter xxxx
* COVP = covariance of Phi-z fit parameters
* COVR = covariance of R -z fit parameters
*KEEP,FRDIMS.
PARAMETER (MAXHTS=200)
PARAMETER (NUMWPL=36)
PARAMETER (MAXTRK=200)
PARAMETER (MXTTRK=900)
PARAMETER (MAXTR3=200)
PARAMETER (MAXHPW=2)
PARAMETER (MAXDIG=2000)
PARAMETER (NUMRWR=1727)
PARAMETER (NUMPWR=1151)
*KEEP,FH1WORK.
COMMON/FGMIOS/
* Planar geometry
+ ZPP(140),C(140),S(140),ITYPE(140),WZERO(140),WSPACE,
*
* Radial geometry
+ ZP(36),PHW(36),WS(36)
*
COMMON/H1WORK/
* Radial data...
+ WW(MAXHTS,36),DRI(MAXHTS,36),RM(MAXHTS,36),
+ NDP(36), NW(MAXHTS,36), DWS(MAXHTS,36),
*
* Planar Data
+ NDPW(NUMWPL),DW(MAXHTS,NUMWPL),
+ DRIW(MAXHTS,NUMWPL),NDW(MAXHTS,NUMWPL),
+ WWP(MAXHTS,NUMWPL),
+ IPHOLE(MAXHTS,NUMWPL),
*
* Pointers into DIGI bank for IOS labelled hits
+ IPFRRE(MAXHTS,36),IPFRPE(MAXHTS,36),NFRRE,NFRPE,
+ IRPIOS(MAXDIG,2), IPPIOS(MAXDIG,2),
*
* Track segment data
+ NTRAKS(3),IRPT(12,MAXTRK,3),SDRFT(12,MAXTRK,3),
*
* Fit data
+ PCOSL(MAXTRK,3),PSINL(MAXTRK,3),PHZL(MAXTRK,3),
+ DPCOSL(MAXTRK,3),DPSINL(MAXTRK,3),
+ DPHZL(MAXTRK,3),CHSQ(MAXTRK,3),RZI(MAXTRK,3),
+ RPCOSG(MAXTRK),RPSING(MAXTRK),
+ PHZG(MAXTRK),CC(3,MAXTRK),ZIG(MAXTRK),
+ IRADG(36,MAXTRK),PHIG(36,MAXTRK),
+ IG,SDRADG(36,MAXTRK),
+ R1,Z1,RFIT(MAXTRK,3),
+ CHG(MAXTRK),
+ PPA(MAXTRK,3), ZZA(MAXTRK,3),
+ GPA(MAXTRK,3),GZA(MAXTRK,3)
*
*
*KEEP,FPTVTX.
COMMON/VERTVV/ZV ,XVV,YVV
**the common/VERTEX/ becomes /VERTVV/ (in analogy to /VERTFF/) on the
** 17/6/91, since it is in conflict with the VERTEX module (g.bernardi)
** (note that all these common names should start by F in this deck...)
*KEEP,FRH3FT.
* Common for RETRAC results (SJM)
COMMON/FRH3FT/ IRN(36,MAXTRK),SDN(36,MAXTRK),
+ IRP(36,MAXTRK),SDP(36,MAXTRK),
+ IG2,IGTTRK(MAXTRK),
+ CHISQ(MAXTRK),NUMDF(MAXTRK),
+ FITX(MAXTRK),FITY(MAXTRK),FITZ(MAXTRK),
+ FITTH(MAXTRK),FITPH(MAXTRK),
+ FITCU(MAXTRK),FTCOV(15,MAXTRK)
*KEEP,FPPRAM.
C
C--- MAXSEG is maximum number of segments per supermodule
C--- MAXCON is maximum number of amibiguous segments associatable with
C--- one segment
C--- LIMSTO is maximum number of 2 cluster planes intersections to be
C--- stored per supermodule
C--- MSEGLM is maximum number of clusters that can be found before
C--- connectivity considered
C--- MAXCLU is maximum number of clusters that can be found after
C--- forming non-connected set MUST BE 50 IF RUN WITH OLD RCW
C--- (cluster = 3/4 digits found in a straight line in one
C--- 4-wire orientation)
C
PARAMETER (MAXSEG = 200)
PARAMETER (MAXCON = 100)
PARAMETER (LIMSTO = 5000)
PARAMETER (MSEGLM = 150)
PARAMETER (MAXCLU = 50)
C---
*KEEP,FPLSEG.
C---
COMMON /FPLSEG / PW(12,MAXSEG,3) , PWC(12,MAXSEG,3) ,
1 PRCHI(MAXSEG,3) , NFSEG(3) ,
2 XYDXY(4,MAXSEG,3) , EXYDXY(4,4,MAXSEG,3) ,
3 ZSEG(2,MAXSEG,3) ,
4 ASEGIN(MAXSEG,3) , ISEGIN(5,MAXSEG,3) ,
5 MASKSG(MAXSEG,3) , IDGISG(12,MAXSEG,3)
C---
*KEEP,FPTFLG.
COMMON/FPTFLG/IPLAR, NIT, IREZ, LUNFP, NPLMAX
*KEEP,FPTPAR.
COMMON/FPTPAR/PCUT1, PCUT2, PCUT3, CXP, CYP,
+ DRPCT1, DRPCT2, DRPCT3,
+ DRCUT1, DRCUT2, DRCUT3
*KEEP,FDIFLG.
COMMON/LDIAG/IDIAG,IDIAG2,MAXPRT,IDOHIS,PMCUT
*KEND.
* Common for track parameter errors...
COMMON /FTRERR/ DSLPHI, DPHZER, COVP, DSLPR, DRZER, COVR
COMMON/FTPPBK/NPP,IPP(36,100),CHPP(100),LP(3,100)
COMMON/FTPPBS/SPP(36,100)
COMMON/FPPFIT/PSSS(100),PISS(100),RSSS(100),RISS(100)
COMMON/FPLNK/KTIP(3,50),LPP(3,100)
COMMON/FTRRBK/IRR(36,MAXTRK),SRR(36,MAXTRK),LRR(3,MAXTRK)
* Common for segment numbers...
COMMON /FPSEGN/ ISG(3,MAXTRK)
COMMON /FPSEG1/ ISGG(3,MAXTRK)
COMMON /FPSEG2/ ISGP(3,MAXTRK),IUZP(MAXSEG,3),IUZR(MAXTRK,3)
COMMON /FPSEG3/ ISGR(3,MAXSEG)
COMMON/FKLOC/KLOC(100)
COMMON/FEVSAT/IEVSAT
common/fcnset/ipuze(maxhts,numwpl)
* Local arrays...
DIMENSION IUSEDP(MAXTRK,36), IUSEG( MAXSEG, 3)
DIMENSION RSEG(4),PSEG(4)
DIMENSION XX(20),YY(20)
PARAMETER(PI2=6.2831853)
DATA ISTART/0/
C
C
C--- LOOP OVER SUPERMODULES - FOR RADIALS
C
C MOD 20/1/93 TO PICK UP SINGLE SEMENTS IN ALL MODULES
C
DO 20 ISMP=1,3
DO 15 IP = 1,NFSEG(ISMP)
C
C--- search only unused segments
C
IF(IUZP(IP,ISMP).NE.0)GOTO15
C
C--- search only the disconnected set
C
IF( MASKSG(IP,ISMP) .NE. 0 )GO TO 15
c check if points have been used
do 25 i=1,12
iosp=idgisg(i,ip,ismp)
if(iosp.eq.0)goto25
ipu=iabs(iosp)
ipl=I+(ismp-1)*12
if(ipuze(ipu,ipl).eq.1)goto15
25 continue
C
C
C--- Extract planar segment and covariance matrix
C
C STR LINES THROUGH PLANARS IN PHI-Z R-Z
C DISTANCES IN MM HERE FOR RCWH
DO 30 I = 1,4
C---
PSEG(I) = XYDXY(I,IP,ISMP)
C---
30 CONTINUE
C---
Z1MM=ZPP(1+12*(ISMP-1))*10.
Z2MM=ZPP(12+12*(ISMP-1))*10.
X1=PSEG(1)+Z1MM*PSEG(3)
Y1=PSEG(2)+Z1MM*PSEG(4)
X2=PSEG(1)+Z2MM*PSEG(3)
Y2=PSEG(2)+Z2MM*PSEG(4)
R1=SQRT(X1**2+Y1**2)
R2=SQRT(X2**2+Y2**2)
P1=ATAN2(Y1,X1)
P1=AMOD(P1,PI2)
IF(P1.LT.0.)P1=P1+PI2
P2=ATAN2(Y2,X2)
P2=AMOD(P2,PI2)
IF(P2.LT.0.)P2=P2+PI2
DP=P1-P2
IF(DP.GT.6.0)DP=DP-PI2
IF(DP.LT.-6.0)DP=DP+PI2
RSS =(R1-R2)/(Z1MM-Z2MM)
RIS =(R1-RSS*Z1MM)
C TEST IF EXTRAPOLATED PLANAR SEGMENT SHOULD HIT RADIAL
CTEMP R160=RSS*1600. +RIS
CTEMP IF(R160.LT.800.)GOTO15
C
NPP=NPP+1
IF(NPP.GT.100) THEN
NPP = 100
IEVSAT = 1
ENDIF
KLOC(NPP) = 6
CALL SHS(716,0,11.01)
C BACK TO CMS
RSSS(NPP)=(R1-R2)/(Z1MM-Z2MM)
RISS(NPP)=(R1-RSSS(NPP)*Z1MM)/10.
PSSS(NPP)= DP*10./(Z1MM-Z2MM)
PISS(NPP)=(P1-PSSS(NPP)*Z1MM/10.)
LPP(1 ,NPP)=0
LPP(2 ,NPP)=0
LPP(3 ,NPP)=0
LPP(ISMP,NPP)=IP
LRR(1,NPP)=0
LRR(2,NPP)=0
LRR(3,NPP)=0
DO 36 II=1,36
IRR(II,NPP)=0
IPP(II,NPP)=0
36 CONTINUE
DO 35 II=1,12
IOSP=IDGISG(II,IP,ISMP)
IPP(II+(ISMP-1)*12,NPP)=IABS(IOSP)
SPP(II+(ISMP-1)*12,NPP)=SIGN(1.0,FLOAT(IOSP))
35 CONTINUE
15 CONTINUE
20 CONTINUE
RETURN
END