On Tue, 30 Jun 1998, Rene Brun wrote: > To generate a Geant geometry RZ file, add one line after GGCLOS > to your Fortran program > call grfile(21,"mygeom.rz","ON") > > then use the g2root converter with > g2root mygeom.rz mygeom.root > > Rene Brun > Still I do not understand how "mygeom.rz" file is generated. Even if I add call grfile(21,"mygeom.rz","ON") ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ to my fortran program "mygeom.f", still I do not have "mygeom.rz". To generate "mygeom.rz" what should I do with "mygeom.f"? Should I compile it? Or any other way? > > > > ---------------------- mygeom.f --------------------------------- > > c+DECK, UGEOM. > > *************************************************************************** > > SUBROUTINE UGEOM > > *************************************************************************** > > c/* > > c#include "/cern/97a/inc/gckine.inc" > > c#include "/cern/97a/inc/usphys.inc" > > c#include "/cern/97a/inc/matidc.inc" > > c#include "/cern/97a/inc/gmsize.inc" > > c*/ > > > > include '/home/sina/CERNINCLUDES/myugeom.inc' > > > > ******* MATERIAL DESCRIPTION > > CALL GSMIXT(MATBGO,'BGO$',ABGO,ZBGO, 7.1, -3, WBGO) > > > > CALL GSMATE(MATSCN,'SCINTILLATOR$', 20.0, 10.0, 1.032, > > + 42.4, 58.4, 0, 0) > > > > CALL GPMATE(0) !PRINT OUT ALL MATERIALS > > > > ******* TRACKING MEDIUM > > IFIELD = 0 > > FIELDM = 0. > > TMAXFD = 10. > > STEMAX = 1. !DEDXMX > > DEEMAX = 0.05 > > EPSIL = 0.001 > > STMIN = 0.001 > > > > CALL GSTMED(ITRAIR,'AIR$',MATAIR, 0, IFIELD, > > + FIELDM, TMAXFD, STEMAX, DEEMAX, EPSIL, STMIN, 0, 0) > > > > CALL GSTMED(ITRBGO,'BGO$',MATBGO, 0, IFIELD, > > + FIELDM, TMAXFD, STEMAX, DEEMAX, EPSIL, STMIN, 0, 0) > > > > CALL GSTMED(ITRCAR,'CARBON$',MATCAR, 0, IFIELD, > > + FIELDM, TMAXFD, STEMAX, DEEMAX, EPSIL, STMIN, 0, 0) > > > > CALL GSTMED(ITRSCN,'SCINTILLATOR$',MATSCN, 0, IFIELD, > > + FIELDM, TMAXFD, STEMAX, DEEMAX, EPSIL, STMIN, 0, 0) > > > > > > ******* DEFINE THE GEOMETRICAL SETUP > > !First of all, create volumes > > SIZE(1) = 100. !half of length in x direction > > SIZE(2) = 100. !y > > SIZE(3) = 100. !z > > CALL GSVOLU('ROOT','BOX ', ITRAIR, SIZE, 3, IVOLU) > > > > SIZE(1) = 50. / 2. > > SIZE(2) = 50. / 2. > > SIZE(3) = 2.5 / 2. > > CALL GSVOLU('BGOL','BOX ', ITRBGO, SIZE, 3, IVOLU) > > CALL GSVOLU('BGEL','BOX ', ITRBGO, SIZE, 3, IVOLU) > > > > thkscn = 2.0 > > SIZE(3) = thkscn / 2. > > SIZE(1) = 25.0 > > SIZE(2) = SIZE(1) > > CALL GSVOLU('SCN1','BOX ', ITRSCN, SIZE, 3, IVOLU) > > > > !Position the volumes --- easy part, which is CARBON and SCIN. > > LAYERS > > CALL GSPOS('SCN1',1,'ROOT', 0, 0, 31., 0, 'ONLY') > > > > !BGO crystals > > K=0 > > DO I=1, 15 > > K=K+1 > > CALL GSPOS('BGOL', K, 'ROOT', 0, 0,-1.25-(I-1)*5.0, 0, 'ONLY') > > CALL GSPOS('BGEL', K, 'ROOT', 0, 0,-3.75-(I-1)*5.0, 0, 'ONLY') > > ENDDO > > CALL GSDVN('BGOX','BGOL', 2,1) !divide BGOL into two BGOX in the > > x-axis > > CALL GSDVN('XBGO','BGOX',20,2) > > CALL GSDVN('BGOY','BGEL', 2,2) !divide BGEL into two BGOY in the > > y-axis > > CALL GSDVN('YBGO','BGOY',20,1) > > > > !split the S1,S2,S3,S4,S5 layer along the z-direction > > CALL GSDVN('S1AB','SCN1', 2, 3) > > > > call gpvolu(0) > > > > ******* FINISH GEOMETRICAL SETUP > > CALL GGCLOS CALL GRFILE(21,"mygeom.rz","ON") > > > > END > > > > --- > > PS. I am on linux and ROOT version1.03. > --- Thanks a lot! Jayoung
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