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|
*DECK XELTRK
SUBROUTINE XELTRK(IPTRK ,IPGEOM,GEONAM,IDISP ,IFTEMP,
> IPRT ,NDIM ,ITOPT ,NV ,NS ,NANGL ,
> ISYMM ,DENUSR,RCUTOF,MXSUB ,MXSEG ,ICODE ,
> TITREC,INSB ,IZ ,LPRISM,NPRISM)
*
*-----------------------------------------------------------------------
*
*Purpose:
* Treat Cartesian assemblies of cells using a two-step process:
* 1) study the geometry to get volumes and materials;
* 2) produce temporary tracking file if necessary.
*
*Copyright:
* Copyright (C) 1993 Ecole Polytechnique de Montreal
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version
*
*Author(s): R. Roy
*
*Parameters: input
* IPTRK pointer to the tracking (l_track).
* IPGEOM pointer to the geometry (l_geom).
* GEONAM geometry name.
* IFTEMP unit number allocated to temporary file.
* IPRT geometry print level.
* NDIM number of dimensions (2.or.3).
* RCUTOF cutof for corner tracking(0.25 suggested).
* TITREC title for this case.
* INSB control on vectorization.
* IZ projection axis for 3d prismatic geometry.
* LPRISM flag for 3d prismatic geometry.
*
*Parameters: input/output
* ITOPT kind of tracking (0: isotropic; 1: specular).
* IDISP status of tracking file (>0 means new file)
* ISYMM symmetry factor.
* DENUSR density of tracks in the plane perpendicular
* to the tracking angles.
*
*Parameters: output
* NV number of zones in the assembly.
* NS number of surfaces in the assembly.
* NANGL number of angles used in temporary tracking file.
* MXSUB maximum number of subtracks in a single track.
* MXSEG maximum number of segments in a single track.
* ICODE index for boundary conditions.
* NPRISM numer of plans for a 3d prismatic geometry.
*
*-----------------------------------------------------------------------
*
USE GANLIB
IMPLICIT NONE
TYPE(C_PTR) IPTRK ,IPGEOM
INTEGER IDISP ,IFTEMP,IPRT ,NDIM ,ITOPT ,NV ,NS ,
> NANGL ,ISYMM ,MXSUB ,MXSEG ,INSB ,IZ ,NPRISM
LOGICAL LPRISM
REAL DENUSR,RCUTOF
CHARACTER GEONAM*12, TITREC*72
INTEGER ICODE(6)
*
INTEGER NSTATE, IOUT
PARAMETER ( NSTATE=40, IOUT=6)
*----
* ALLOCATABLE ARRAYS
*----
INTEGER, ALLOCATABLE, DIMENSION(:) :: KEYMRG,MATALB,MINDIM,MAXDIM,
> ICORD,INDEX,ICUR,INCR,NUMERO
REAL, ALLOCATABLE, DIMENSION(:) :: VOLSUR,REMESH,CONV,TRKBEG,
> TRKDIR
DOUBLE PRECISION, ALLOCATABLE, DIMENSION(:) :: ANGLES,DENSTY,
> LENGHT,DDENWT
*----
* LOCAL PARAMETERS
*----
INTEGER LTRK ,NANGLE,SUBMAX,LINMAX
INTEGER NSUR ,NVOL ,NTOTCL,MAXR ,NUNK ,NEXTGE
INTEGER NTX ,NTY ,NTZ ,NTR ,ICL ,NC ,
> NALBG ,JJ ,INDLEC,ITYLCM,ILENGT,INDATA,
> NCOR
INTEGER NCODE(6), LCLSYM(3), ISTATE(NSTATE)
LOGICAL SWZERO
REAL ALBEDO(6), EXTKOP(NSTATE), CUTOFX, REDATA
DOUBLE PRECISION DBLINP
CHARACTER CTISO*8, CTSPC*8, CCORN*8, CSYMM*8, CMEDI*8,
> CHALT*8, CBLAN*8, TEDATA*8, CTRK*4, COMENT*80
INTEGER MXANGL
*
SAVE CTISO, CTSPC, CCORN, CHALT, CSYMM, CMEDI, CBLAN
DATA CTISO, CTSPC, CCORN, CHALT, CSYMM, CMEDI, CBLAN
> / 'TISO','TSPC','CORN','HALT','SYMM','MEDI',' ' /
*
SWZERO=.TRUE.
ISTATE(:NSTATE)=0
EXTKOP(:NSTATE)=0.0
CALL LCMLEN(IPTRK,'STATE-VECTOR',ILENGT,ITYLCM)
IF(ILENGT .LE. 0 .OR. ILENGT .GT. NSTATE) THEN
LTRK = 0
NANGLE= 0
ISYMM=1
DENUSR= 0.0
RCUTOF= 0.0
ELSE
CALL LCMGET(IPTRK,'STATE-VECTOR',ISTATE)
CALL LCMGET(IPTRK,'EXCELTRACKOP',EXTKOP)
LTRK=ISTATE(9)+1
NANGLE=ISTATE(11)
ISYMM=ISTATE(12)
DENUSR=EXTKOP(2)
RCUTOF=EXTKOP(3)
ENDIF
CUTOFX= 0.0
*
*. 1) READ ALL USER INPUT.
*
* READ TRACKING PARAMETERS LTRK= 1 : ISOTROPIC TRACKING (TISO)
* LTRK= 2 : SPECULAR TRACKING (TSPC)
TEDATA= CBLAN
IF( IDISP.GT.0 )THEN
CALL REDGET( INDLEC, NANGLE, DENUSR, TEDATA,DBLINP)
IF( ILENGT.NE.0 )THEN
IF( INDLEC.EQ.3.AND.TEDATA(1:4).EQ.';' )THEN
GO TO 10
ENDIF
ENDIF
IF( TEDATA(1:4).EQ.CCORN(1:4) ) THEN
CALL REDGET( INDLEC, INDATA, RCUTOF, TEDATA,DBLINP)
CALL REDGET( INDLEC, NANGLE, DENUSR, TEDATA,DBLINP)
ENDIF
IF( INDLEC.NE.3 )THEN
LTRK = 1
CALL REDGET( INDLEC, NANGLE, DENUSR, TEDATA,DBLINP)
IF( INDLEC.EQ.3 )THEN
CALL XABORT('XELTRK: *TISO* ASSUMED, PUT NANGLE & DENSTY' )
ENDIF
CALL REDGET( INDLEC, INDATA, REDATA, TEDATA,DBLINP)
ELSE
IF( TEDATA(1:4).EQ.CTISO(1:4) )THEN
LTRK = 1
ELSEIF( TEDATA(1:4).EQ.CTSPC(1:4) )THEN
LTRK = 2
ENDIF
IF( LTRK.GT.0 )THEN
CALL REDGET( INDLEC, NANGLE, DENUSR, TEDATA,DBLINP)
IF( LTRK.EQ.2.AND.TEDATA(1:4).EQ.CMEDI(1:4) )THEN
SWZERO= .FALSE.
CALL REDGET( INDLEC, NANGLE, DENUSR, TEDATA,DBLINP)
ENDIF
CALL REDGET( INDLEC, NANGLE, DENUSR, TEDATA,DBLINP)
CALL REDGET( INDLEC, INDATA, REDATA, TEDATA,DBLINP)
ELSE
IF( TEDATA(1:4).EQ.CHALT(1:4) )THEN
CALL REDGET( INDLEC, INDATA, REDATA, TEDATA,DBLINP)
IDISP = -2
ELSE
CALL XABORT( 'XELTRK: *TISO*,*TSPC*,*HALT* HERE')
ENDIF
ENDIF
ENDIF
IF( INDLEC.NE.3 )THEN
CALL XABORT( 'XELTRK: ; SYMM or NOSYMM PERMITTED' )
ELSEIF( TEDATA(1:4) .EQ. 'NOSY' )THEN
ISYMM=0
CALL REDGET( INDLEC, INDATA, REDATA, TEDATA,DBLINP)
ELSEIF( TEDATA(1:4).EQ.CSYMM(1:4) )THEN
CALL REDGET( INDLEC, INDATA, REDATA, TEDATA,DBLINP)
IF(INDLEC.NE.1) CALL XABORT('XELTRK: INTEGER DATA EXPECTED')
ISYMM=INDATA
CALL REDGET( INDLEC, INDATA, REDATA, TEDATA,DBLINP)
ENDIF
IF( INDLEC.NE.3.OR.TEDATA(1:4).NE.';' )THEN
CALL XABORT( 'XELTRK: ; IS SUPPOSED TO BE HERE' )
ENDIF
IF( LTRK.GT.0.AND.NANGLE.LE.1 )THEN
CALL XABORT( 'XELTRK: INVALID NUMBER OF ANGLES (NANGLE < 2)' )
ENDIF
IF( LTRK.GT.0.AND.DENUSR.LE.0.0 )THEN
CALL XABORT( 'XELTRK: INVALID DENSITY (DENSTY < 0.0) ' )
ENDIF
ENDIF
10 CONTINUE
*----
* PROCESS THE GEOMETRY
*----
CALL AXGXEL(IPGEOM,IPTRK ,IPRT ,GEONAM)
IF(IPRT .GE. 1)THEN
WRITE(IOUT,'(1H )')
WRITE(IOUT,'(26H >>> GEOMETRY TREATED: ,A12)') GEONAM
WRITE(IOUT,'(26H >>> EXCELL TREATMENT <<< )')
WRITE(IOUT,'(1H )')
ENDIF
*----
* SAVE EXCELL SPECIFIC TRACKING INFORMATION.
*----
ISTATE(9)=LTRK-1
ISTATE(11)=NANGLE
ISTATE(12)=ISYMM
CALL LCMPUT(IPTRK,'STATE-VECTOR',NSTATE,1,ISTATE)
EXTKOP(1)=CUTOFX
EXTKOP(2)=DENUSR
EXTKOP(3)=RCUTOF
CALL LCMPUT(IPTRK,'EXCELTRACKOP',NSTATE,2,EXTKOP)
*----
* IF A PRISMATIC 3D TRACKING IS REQUESTED,
* CREATE 2D PROJECTED GEOMETRY ANALYSIS
*----
IF (LPRISM) THEN
CALL XELPR3(IPTRK,IZ,NPRISM)
CALL LCMSIX(IPTRK,'PROJECTION ',1)
CALL LCMSIX(IPTRK,'EXCELL ',1)
ELSE
CALL LCMSIX(IPTRK,'EXCELL ',1)
ENDIF
*----
* ALLOCATE GEOMETRIC STRUCTURES (SEE COMMON CEXGEO)
* KEYMRG : INTEGER MERGE VECTOR
* VOLSUR : REAL VOLUME-SURFACE VECTOR
* MATALB : INTEGER MATERIAL-FACE VECTOR
*----
ISTATE(:NSTATE)=0
CALL LCMGET(IPTRK,'STATE-VECTOR',ISTATE)
NDIM =ISTATE(1)
NSUR =-ISTATE(2)
NVOL =ISTATE(3)
NTOTCL =ISTATE(4)
MAXR =ISTATE(5)
NUNK =ISTATE(6)
NEXTGE =ISTATE(7)
ALLOCATE(KEYMRG(NUNK),MATALB(NUNK),VOLSUR(NUNK))
CALL LCMGET(IPTRK,'KEYMRG ',KEYMRG)
CALL LCMGET(IPTRK,'MATALB ',MATALB)
CALL LCMGET(IPTRK,'VOLSUR ',VOLSUR)
CALL LCMSIX(IPTRK,'EXCELL ',2)
CALL LCMGET(IPTRK,'ICODE ',ICODE )
CALL LCMGET(IPTRK,'NCODE ',NCODE )
CALL LCMGET(IPTRK,'ALBEDO ',ALBEDO)
NV= NVOL
NS= -NSUR
ITOPT=LTRK-1
NANGL=0
*----
* EXCELL-TYPE VECTORIZATION - THE TRACKING FILE IS NOT COMPUTED
*----
IF(INSB.EQ.2) RETURN
*----
* Intrinsic symmetries used in geometry
* Use these to simplify tracking unless
* NOSYMM tracking option activated
*----
LCLSYM(1) =ISTATE(8)
LCLSYM(2) =ISTATE(9)
LCLSYM(3) =ISTATE(10)
IF(ISYMM .NE. 0) THEN
ISYMM=0
IF(NDIM .EQ. 2) THEN
IF(LCLSYM(1) .NE. 0) THEN
*----
* X SYMMETRY
*----
ISYMM=2
ENDIF
IF(LCLSYM(2) .NE. 0) THEN
IF(ISYMM .EQ. 0) THEN
*----
* Y SYMMETRY
*----
ISYMM=4
ELSE
*----
* X AND Y SYMMETRY
*----
ISYMM=8
ENDIF
ENDIF
*C IF(ISTATE(11) .NE. 0) THEN
*CC----
*CC X-Y DIAGONAL SYMMETRY
*CC----
*C IF(ISYMM .EQ. 0) THEN
*C ISYMM=10
*C ELSE
*C ISYMM=12
*C ENDIF
*C ENDIF
ELSE
IF(LCLSYM(1) .NE. 0) THEN
*----
* X SYMMETRY
*----
ISYMM=2
ENDIF
IF(LCLSYM(2) .NE. 0) THEN
IF(ISYMM .EQ. 0) THEN
*----
* Y SYMMETRY
*----
ISYMM=4
ELSE
*----
* X AND Y SYMMETRY
*----
ISYMM=8
ENDIF
ENDIF
IF(LCLSYM(3) .NE. 0) THEN
*----
* Z SYMMETRY
*----
ISYMM=ISYMM+16
ENDIF
ENDIF
IF(ISYMM .EQ. 0) ISYMM=1
ENDIF
*----
* READ THE GEOMETRY INFORMATION STORED ON IPTRK
*----
SUBMAX= 0
LINMAX= 0
CALL LCMSIX(IPTRK,'EXCELL ',1)
ALLOCATE(MINDIM(NTOTCL),MAXDIM(NTOTCL),ICORD(NTOTCL),
> INDEX(4*NUNK))
ALLOCATE(REMESH(MAXR))
CALL LCMGET(IPTRK,'MINDIM ',MINDIM)
CALL LCMGET(IPTRK,'MAXDIM ',MAXDIM)
CALL LCMGET(IPTRK,'ICORD ',ICORD )
CALL LCMGET(IPTRK,'INDEX ',INDEX )
CALL LCMGET(IPTRK,'REMESH ',REMESH)
CALL LCMSIX(IPTRK,'EXCELL ',2)
IF (LPRISM) CALL LCMSIX(IPTRK,'PROJECTION ',2)
*----
* VERIFY SYMMETRY AND
* STUDY TRACKING PARAMETERS. ARE THEY BASICALLY POSSIBLE ?
*----
MXANGL=0
IF(LTRK .EQ. 1)THEN
NCOR= 1
IF(NDIM .EQ. 2) THEN
MXANGL=NANGLE
*C IF(ISYMM .EQ. 12) THEN
*C NANGL = NANGLE/4
IF(ISYMM .GE. 2) THEN
NANGL = (NANGLE+1)/2
ELSE
NANGL = NANGLE
ENDIF
IF( RCUTOF.GT.0.0 ) NCOR= 2
ELSE IF(NDIM .EQ. 3) THEN
IF(MOD(NANGLE,2) .EQ. 1)THEN
NANGLE=NANGLE+1
WRITE(IOUT,'(/31H MESS = ONLY EVEN # EQN ANGLES )')
ENDIF
IF(NANGLE .GT. 16)THEN
NANGLE=16
WRITE(IOUT,'(/31H MESS = 16 IS MAX # EQN ANGLES )')
ENDIF
MXANGL=(NANGLE * (NANGLE+2)) / 2
IF(NEXTGE .EQ. 1) THEN
NANGL = (NANGLE * (NANGLE+2)) / 8
ELSE
IF(ISYMM .EQ. 8 .OR. ISYMM .EQ. 24) THEN
NANGL = (NANGLE * (NANGLE+2)) / 8
ELSE IF(ISYMM .EQ. 2 .OR. ISYMM .EQ. 4 .OR.
> ISYMM .EQ. 18 .OR. ISYMM .EQ. 20 ) THEN
NANGL = (NANGLE * (NANGLE+2)) / 4
ELSE
NANGL = (NANGLE * (NANGLE+2)) / 2
ENDIF
ENDIF
IF(RCUTOF .GT. 0.0) NCOR= 4
ENDIF
ELSEIF( LTRK.EQ.2 )THEN
NCOR = 1
IF(NANGLE .GT. 24) THEN
NANGLE=30
ELSE IF(NANGLE .GT. 20) THEN
NANGLE=24
ELSE IF(NANGLE .GT. 18) THEN
NANGLE=20
ELSE IF(NANGLE .GT. 14) THEN
NANGLE=18
ELSE IF(NANGLE .GT. 12) THEN
NANGLE=14
ELSE IF(NANGLE .GT. 8) THEN
NANGLE=12
ELSE
NANGLE=8
ENDIF
MXANGL=4*NANGLE
ISTATE(11)=NANGLE
CALL LCMPUT(IPTRK,'STATE-VECTOR',NSTATE,1,ISTATE)
IF( NDIM.EQ.2 )THEN
NANGL = 4*NANGLE
ELSEIF( NDIM.EQ.3 )THEN
CALL XABORT('XELTRK: *TSPC* NOT AVAILABLE FOR 3-D GEOMETRY')
ENDIF
CUTOFX= RCUTOF
ENDIF
IF(IPRT .GT. 1 .AND. NEXTGE .EQ. 0)THEN
*----
* IF PRINT REQUIRED AND OVERALL CARTESIAN GEOMETRY
* PRINT CARTESIAN REGION MAP
*----
NTX= MAXDIM(1)-MINDIM(1)
NTY= MAXDIM(2)-MINDIM(2)
NTZ= MAXDIM(3)-MINDIM(3)
NTR=0
DO 103 ICL=3,NTOTCL-1
NTR= MAX(NTR,MAXDIM(ICL+1)-MINDIM(ICL+1)+1)
103 CONTINUE
CALL XELGPR(NDIM,NTX,NTY,NTZ,NTR,ISYMM,NSUR,NVOL,NTOTCL,
> MINDIM,MAXDIM,KEYMRG,INDEX,MATALB)
ENDIF
*
*. 3) DO THE TRACKING OF THE EXACT GEOMETRY FOR *NEWT* OPTION.
IF( IDISP.GT.0.AND.LTRK.NE.0 )THEN
NC= NTOTCL - 3
IF( IPRT.GE.1 )THEN
WRITE(IOUT,'(1H )')
IF ( NC.EQ.0 )THEN
WRITE(IOUT,'(/21H NOW, TRACKING >>> ,A12,
> 13H GEOMETRY <<<,
> 13H (WITH NO,11H CYLINDER ) /)')
> GEONAM
ELSEIF( NC.EQ.1 )THEN
WRITE(IOUT,'(/21H NOW, TRACKING >>> ,A12,
> 13H GEOMETRY <<<,
> 13H (WITH ONE,11H CYLINDER ) /)')
> GEONAM
ELSE
WRITE(IOUT,'(/21H NOW, TRACKING >>> ,A12,
> 13H GEOMETRY <<<,
> 10H (WITH ,I3,11H CYLINDERS) /)')
> GEONAM, NC
ENDIF
ENDIF
ALLOCATE(ICUR(NTOTCL),INCR(NTOTCL))
ALLOCATE(CONV(NTOTCL),TRKBEG(NTOTCL),TRKDIR(NTOTCL))
*
* 3.0) WRITE FIRST RECORDS OF THE UNNORMALIZED TRACKING FILE
IF( LTRK.EQ.1 )THEN
SUBMAX= 1
LINMAX= 2*NVOL + 10
ELSE
*
* REQUIRED CHANGE LINMAX FROM 2*NANGL*(2*NVOL + 8)
* TO 2*NANGL*(2*NVOL + 16)
* TO TAKE INTO ACCOUNT INITIAL AND FINAL SURFACE
* FOR PERIODIC BC
SUBMAX= NANGL
LINMAX= 2*NANGL*(2*NVOL + 16)
ENDIF
CTRK = '$TRK'
NALBG = 6
WRITE(IFTEMP) CTRK,5,0,0
COMENT='CREATOR : DRAGON'
WRITE(IFTEMP) COMENT
COMENT='MODULE : XELTRK'
WRITE(IFTEMP) COMENT
COMENT='TYPE : CARTESIAN'
WRITE(IFTEMP) COMENT
COMENT='GEOMETRY : '//GEONAM
WRITE(IFTEMP) COMENT
COMENT=TITREC
WRITE(IFTEMP) COMENT
WRITE(IFTEMP) NDIM,ITOPT,NV,NS,NALBG,NCOR,NANGL,SUBMAX,LINMAX
WRITE(IFTEMP) (VOLSUR(JJ),JJ=1,NUNK)
WRITE(IFTEMP) (MATALB(JJ),JJ=1,NUNK)
WRITE(IFTEMP) ( ICODE(JJ),JJ=1,NALBG)
WRITE(IFTEMP) (ALBEDO(JJ),JJ=1,NALBG)
ALLOCATE(NUMERO(LINMAX))
ALLOCATE(LENGHT(LINMAX),ANGLES(3*MXANGL),DENSTY(MXANGL),
> DDENWT(MXANGL))
MXSUB= SUBMAX
MXSEG= LINMAX
IF( LTRK.EQ.1 )THEN
*
* 3.1) THE REGULAR TRACKING
IF( NDIM.EQ.3 )THEN
CALL XELTI3( IPRT,IFTEMP,NANGLE,DENUSR, ISYMM,ANGLES,
> DENSTY,NTOTCL,NEXTGE, MAXR,REMESH,LINMAX,
> RCUTOF, NSUR, NVOL, INDEX,MINDIM,MAXDIM,
> ICORD, INCR, ICUR,TRKBEG, CONV,TRKDIR,
> LENGHT, NUMERO ,DDENWT)
CALL LCMPUT(IPTRK,'TrackingDirc',2*NDIM*NANGLE,4,ANGLES)
CALL LCMPUT(IPTRK,'TrackingTrkW',2*NANGLE,4,DDENWT)
CALL LCMPUT(IPTRK,'TrackingSpaD',2*NANGLE,4,DENSTY)
ELSEIF( NDIM.EQ.2 )THEN
ICUR(3)= MINDIM(3)
CONV(3)= 1.0E+36
CALL XELTI2( IPRT,IFTEMP,NANGLE,DENUSR, ISYMM,ANGLES,
> DENSTY,NTOTCL, MAXR,REMESH,LINMAX,RCUTOF,
> NSUR, NVOL, INDEX,MINDIM,MAXDIM, ICORD,
> INCR,ICUR, TRKBEG, CONV,TRKDIR,LENGHT,
> NUMERO,DDENWT)
CALL LCMPUT(IPTRK,'TrackingDirc',2*NDIM*NANGLE,4,ANGLES)
CALL LCMPUT(IPTRK,'TrackingTrkW',2*NANGLE,4,DDENWT)
CALL LCMPUT(IPTRK,'TrackingSpaD',2*NANGLE,4,DENSTY)
ENDIF
ELSEIF( LTRK.EQ.2 )THEN
*
* 3.2) THE CYCLIC TRACKING.
ICUR(3)= MINDIM(3)
CONV(3)= 1.0E+36
CALL XELTS2( IPRT, IFTEMP, NANGLE, DENUSR, NCODE,ANGLES,
> DENSTY, SWZERO, NTOTCL, MAXR,REMESH,SUBMAX,
> LINMAX, NSUR, NVOL, MATALB, INDEX,MINDIM,
> MAXDIM, ICORD, INCR, ICUR,TRKBEG, CONV,
> TRKDIR, LENGHT, NUMERO,DDENWT)
CALL LCMPUT(IPTRK,'TrackingDirc',2*NDIM*NANGLE,4,ANGLES)
CALL LCMPUT(IPTRK,'TrackingTrkW',2*NANGLE,4,DDENWT)
CALL LCMPUT(IPTRK,'TrackingSpaD',2*NANGLE,4,DENSTY)
ENDIF
DEALLOCATE(DENSTY,ANGLES,LENGHT,NUMERO,TRKDIR,TRKBEG,CONV,INCR,
> ICUR,DDENWT)
ENDIF
DEALLOCATE(REMESH,INDEX,ICORD,MAXDIM,MINDIM)
*---
* IF A PRISMATIC 3D TRACKING IS REQUESTED,
* ALLOCATE GEOMETRIC STRUCTURES (SEE COMMON CEXGEO) CORRESPONDING TO
* THE 3D INITIAL GEOMETRY
*---
IF (LPRISM) THEN
CALL LCMSIX(IPTRK,'EXCELL ',1)
ISTATE(:NSTATE)=0
CALL LCMGET(IPTRK,'STATE-VECTOR',ISTATE)
NDIM =ISTATE(1)
NSUR =-ISTATE(2)
NVOL =ISTATE(3)
CALL LCMSIX(IPTRK,'EXCELL ',2)
CALL LCMGET(IPTRK,'ICODE ',ICODE )
CALL LCMGET(IPTRK,'NCODE ',NCODE )
CALL LCMGET(IPTRK,'ALBEDO ',ALBEDO)
NV= NVOL
NS= -NSUR
ENDIF
DEALLOCATE(VOLSUR,MATALB,KEYMRG)
*
RETURN
END
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