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************************************************************************* |
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* |
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* Subroutine read_B_outer.f |
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* |
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* it reads from rz files the two magnetic field maps taken inside the |
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* spectrometer cavity and fills the variables in common_B_inner.f |
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* |
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* needs: |
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* - ../common/common_B_outer.f common file for the outer magnetic field map |
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* - .rz map files in ./ containing coordinates of measured points, Bx, By |
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* and Bz components + errors |
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* |
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* output variables: (see common_B_outer.f) |
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* - pxo(nx,3) |
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* - pyo(ny,3) |
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* - pzo(nz,3) |
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* - bo(nx,ny,nz,3) |
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* |
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************************************************************************* |
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subroutine read_B_outer |
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implicit double precision (a-h,o-z) |
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include '../common/common_B_outer.f' |
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c------------------------------------------------------------------------ |
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c |
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c local variables |
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c |
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c------------------------------------------------------------------------ |
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character*64 Bmap_file !magnetic field file name |
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parameter (lun_Bmap_file=66) !magnetic field map file id number |
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parameter (ntpl_Bmap=20) !ntuple identifier |
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REAL PFX(3),FX,DFX, !Bx field component coordinates in m, value and error in T |
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$ PFY(3),FY,DFY |
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$ ,PFZ(3),FZ,DFZ |
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INTEGER INDEX(3) !point index |
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COMMON /PAWCR4/ INDEX,PFX,FX,DFX,PFY,FY,DFY,PFZ,FZ,DFZ |
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c------------------------------------------------------------------------ |
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c |
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c *** FIRST MAP *** |
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c |
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c------------------------------------------------------------------------ |
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c------------------------------------------------------------------------ |
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c |
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c initialization and map file opening |
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c |
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c------------------------------------------------------------------------ |
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c print*,' ' |
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c print*,' ' |
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Bmap_file='External_top_map_n4_150402.rz' |
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c opens magnetic field map first file |
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print *,'Opening file: ',Bmap_file |
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call HROPEN |
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$ (lun_Bmap_file,'Bmap','./bin-aux/'//Bmap_file,'P',1024,istat) |
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if(istat.ne.0) goto 21 |
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call HRIN(ntpl_Bmap,9999,0) !puts B map ntuple in memory |
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c call HPRNTU(ntpl_Bmap) |
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call HBNAME(ntpl_Bmap,' ',0,'$CLEAR') |
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call HBNAME(ntpl_Bmap,'INDEX',index,'$SET') |
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call HBNAME(ntpl_Bmap,'BX',pfx,'$SET') |
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call HBNAME(ntpl_Bmap,'BY',pfy,'$SET') |
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call HBNAME(ntpl_Bmap,'BZ',pfz,'$SET') |
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c------------------------------------------------------------------------ |
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c |
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c reads events and fills variables |
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c |
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c------------------------------------------------------------------------ |
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call HNOENT(ntpl_Bmap,iemax) !number of events |
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c initializes measurement grid edges |
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do ic=1,3 |
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poxmax(ic)=0. |
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poxmin(ic)=0. |
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poymax(ic)=0. |
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poymin(ic)=0. |
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pozmax(ic)=0. |
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pozmin(ic)=0. |
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enddo |
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do iev=1,iemax !event loop |
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call HGNT(ntpl_Bmap,iev,ierr) !reads event |
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if(ierr.ne.0) goto 22 |
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c the output consists of matrices for coordinates, B components values |
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c and errors: |
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c e.g. px1(4,2) = X coordinate of the point with index = 4 along X, |
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c in which By (=2) component has been measured |
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c e.g. b1(3,23,4,1) = Bx (=1) component value, measured in the point with |
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c indexes = 3,23,4 along X, Y and Z |
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c Bx component |
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pox(index(1),1) = pfx(1) |
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if(pox(index(1),1).lt.poxmin(1)) poxmin(1)=pox(index(1),1) |
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if(pox(index(1),1).gt.poxmax(1)) poxmax(1)=pox(index(1),1) |
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poy(index(2),1) = pfx(2) |
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if(poy(index(2),1).lt.poymin(1)) poymin(1)=poy(index(2),1) |
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if(poy(index(2),1).gt.poymax(1)) poymax(1)=poy(index(2),1) |
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poz(index(3),1) = pfx(3) |
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if(poz(index(3),1).lt.pozmin(1)) pozmin(1)=poz(index(3),1) |
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if(poz(index(3),1).gt.pozmax(1)) pozmax(1)=poz(index(3),1) |
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bo(index(1),index(2),index(3),1) = fx |
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c By component |
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pox(index(1),2) = pfy(1) |
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if(pox(index(1),2).lt.poxmin(2)) poxmin(2)=pox(index(1),2) |
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if(pox(index(1),2).gt.poxmax(2)) poxmax(2)=pox(index(1),2) |
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poy(index(2),2) = pfy(2) |
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if(poy(index(2),2).lt.poymin(2)) poymin(2)=poy(index(2),2) |
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if(poy(index(2),2).gt.poymax(2)) poymax(2)=poy(index(2),2) |
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poz(index(3),2) = pfy(3) |
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if(poz(index(3),2).lt.pozmin(2)) pozmin(2)=poz(index(3),2) |
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if(poz(index(3),2).gt.pozmax(2)) pozmax(2)=poz(index(3),2) |
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bo(index(1),index(2),index(3),2) = fy |
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c Bz component |
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pox(index(1),3) = pfz(1) |
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if(pox(index(1),3).lt.poxmin(3)) poxmin(3)=pox(index(1),3) |
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if(pox(index(1),3).gt.poxmax(3)) poxmax(3)=pox(index(1),3) |
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poy(index(2),3) = pfz(2) |
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if(poy(index(2),3).lt.poymin(3)) poymin(3)=poy(index(2),3) |
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if(poy(index(2),3).gt.poymax(3)) poymax(3)=poy(index(2),3) |
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poz(index(3),3) = pfz(3) |
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if(poz(index(3),3).lt.pozmin(3)) pozmin(3)=poz(index(3),3) |
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if(poz(index(3),3).gt.pozmax(3)) pozmax(3)=poz(index(3),3) |
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bo(index(1),index(2),index(3),3) = fz |
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enddo |
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c------------------------------------------------------------------------ |
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c |
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c closes files |
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c |
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c------------------------------------------------------------------------ |
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call HREND('Bmap') |
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close(lun_Bmap_file) |
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c------------------------------------------------------------------------ |
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c |
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c no error exit |
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c |
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c------------------------------------------------------------------------ |
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c$$$ print*,' ' |
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c$$$ print*,'MAGNETIC FIELD SUCCESSFULLY READ' |
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c$$$ print*,' ' |
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c$$$ print*,' ' |
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goto 9000 !happy ending |
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c------------------------------------------------------------------------ |
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c |
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c magnetic field map file opening error |
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c |
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c------------------------------------------------------------------------ |
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21 continue |
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print*,' ' |
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print*,'read_B_inner: ERROR OPENING MAGNETIC FIELD MAP FILE: ' |
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$ ,Bmap_file |
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print*,' ' |
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print*,' ' |
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goto 9000 !the end |
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c------------------------------------------------------------------------ |
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c |
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c ntuple event reading error |
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c |
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c------------------------------------------------------------------------ |
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22 continue |
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print*,' ' |
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print*,'read_B_inner: ERROR WHILE READING NTUPLE, AT EVENT |
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$ : ',iev |
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print*,' ' |
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print*,' ' |
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goto 9000 !the end |
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c------------------------------------------------------------------------ |
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c |
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c exit |
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c |
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c------------------------------------------------------------------------ |
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9000 continue |
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return |
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end |
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