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michaesp |
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c ****************************************************************
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c * This package provides IO routines for trajectories. A file *
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c * is characterised by the filename <filename> and the file *
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c * identifier <fid>. Different modes <mode> are supported: *
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c * mode=1: ascii, sorted by trajectory; *
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c * mode=2: ascii, sorted by time; *
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c * mode=3: fortran (unformatted) *
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c * mode=4: IVE netcdf (for compatibiltzy reasons) *
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c * A trajectory set is given as 3d array <tra(ntra,ntim,ncol)> *
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c * where <ntra> is the number of trajectories, <ntim> the *
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c * number of times of each trajectory and <ncol> the number of *
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c * columns of the trajectory. The first 4 columns are: time, *
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c * longitude, latitude, pressure. The other columns are traced *
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c * fields. The complete list of all columns is given in the *
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c * array <vars(ncol)>. Finally, the reference date is given in *
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c * the array <time(6)=year,month,day,hour,time length of the *
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c * trajectory (hour,min)>. *
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c * *
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c * Author: Michael Sprenger, September 2008 *
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c ****************************************************************
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c ----------------------------------------------------------------
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c Open a trajectory file for reading
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c ----------------------------------------------------------------
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subroutine ropen_tra(fid,filename,ntra,ntim,ncol,time,vars,mode)
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implicit none
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c Declaration of subroutine parameters
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integer fid
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character*80 filename
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integer mode
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integer ntra,ntim,ncol
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integer time(6)
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character*80 vars(ncol)
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c Auxiliary variables
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integer vardim(4)
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real varmin(4),varmax(4),stag(4)
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real mdv
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character*80 cfn
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integer ierr
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integer i
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integer nvars
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c Open file
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if (mode.eq.1) then
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fid = 10
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open(fid,file=filename)
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elseif (mode.eq.2) then
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fid = 10
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open(fid,file=filename)
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elseif (mode.eq.3) then
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open(fid,file=filename,form='unformatted')
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elseif (mode.eq.4) then
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call cdfopn(filename,fid,ierr)
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elseif (mode.eq.5) then
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print*,' ERROR: Reading KML not supported'
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stop
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endif
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c Read header information
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call read_hea(fid,time,vars,ntra,ntim,ncol,mode)
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end
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c ----------------------------------------------------------------
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c Open a trajectory file for wrinting
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c ----------------------------------------------------------------
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subroutine wopen_tra(fid,filename,ntra,ntim,ncol,time,vars,mode)
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implicit none
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c Declaration of subroutine parameters
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integer fid
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character*80 filename
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integer mode
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integer ntra,ntim,ncol
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integer time(6)
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character*80 vars(ncol)
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c Auxiliary variables
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integer vardim(4)
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real varmin(4),varmax(4),stag(4)
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real mdv
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character*80 cfn
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integer ierr
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integer i
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character*80 varname
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real rtime(6)
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c Open file
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if (mode.eq.1) then
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fid = 10
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open(fid,file=filename)
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elseif (mode.eq.2) then
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fid = 10
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open(fid,file=filename)
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elseif (mode.eq.3) then
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open(fid,file=filename,form='unformatted')
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elseif (mode.eq.4) then
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vardim(1)=ntra
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vardim(2)=1
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vardim(3)=1
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vardim(4)=1
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cfn =trim(filename)//'_cst'
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mdv =-999.98999
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call crecdf(filename,fid,varmin,varmax,3,cfn,ierr)
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elseif (mode.eq.5) then
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fid = 10
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open(fid,file=filename)
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endif
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c Write header information
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call write_hea(fid,time,vars,ntra,ntim,ncol,mode)
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end
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c ----------------------------------------------------------------
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c Read a trajectory
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c ----------------------------------------------------------------
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subroutine read_tra(fid,tra,ntra,ntim,ncol,mode)
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implicit none
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c Declaration of subroutine parameters
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integer fid
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integer ntim
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integer ncol
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integer ntra
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real tra(ntra,ntim,ncol)
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integer mode
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c Auxiliary variables
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integer i,j,n
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real arr(ntra)
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integer ntimes
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real times(1000)
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integer ierr
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character*80 vars(ncol+2)
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integer nvars
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c Read ascii mode, sorted by trajectory (mode=1)
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if (mode.eq.1) then
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read(fid,*,end=100)
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do n=1,ntra
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do i=1,ntim
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read(fid,*,end=110) (tra(n,i,j),j=1,ncol)
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enddo
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enddo
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c Read ascii mode, sorted by time (mode=2)
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elseif (mode.eq.2) then
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read(fid,*,end=100)
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do i=1,ntim
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do n=1,ntra
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read(fid,*,end=100) (tra(n,i,j),j=1,ncol)
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enddo
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enddo
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c Read fortran mode (mode=3)
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elseif (mode.eq.3) then
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read(fid) tra
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c Read IVE netcdf mode (mode=4)
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elseif (mode.eq.4) then
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call gettimes(fid,times,ntimes,ierr)
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call getvars(fid,nvars,vars,ierr)
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do i=1,ntim
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do j=1,ncol
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if (j.eq.1) then
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do n=1,ntra
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tra(n,i,1)=times(i)
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enddo
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else
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call getdat(fid,vars(j),times(i),0,arr,ierr)
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do n=1,ntra
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tra(n,i,j)=arr(n)
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enddo
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endif
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enddo
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enddo
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endif
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return
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c End of file has been reached: set negative <fid>
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100 fid=-fid
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return
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c Error: incomplete trajectory
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110 print*,'<read_tra>: Incomplete trajectory... Stop'
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stop
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end
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c ----------------------------------------------------------------
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c Write a trajectory
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c ----------------------------------------------------------------
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subroutine write_tra(fid,tra,ntra,ntim,ncol,mode)
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implicit none
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c Declaration of subroutine parameters
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integer fid
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integer ntim
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integer ncol
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integer ntra
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real tra(ntra,ntim,ncol)
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integer mode
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c Auxiliary variables
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integer i,j,n
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real arr(ntra)
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integer ierr
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real time
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character*80 vars(ncol+2)
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integer nvars
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character*20 lonstr,latstr,levstr
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character*80 outstr
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real ref_z(3000),ref_p(3000),ref_t(3000)
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real lev
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character*80 path
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c Write ascii mode, sorted by trajectory (mode=1)
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if (mode.eq.1) then
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do n=1,ntra
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write(fid,*)
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do i=1,ntim
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c Avoid ugly *s or missing space in output
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do j=5,ncol
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if ( abs(tra(n,i,j)).gt.9999.) then
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print*,'Format problem : ',tra(n,i,j),' -> -999.99'
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tra(n,i,j) = -999.99
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endif
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enddo
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write(fid,'(1f7.2,f9.2,f8.2,i6,100f10.3)')
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> (tra(n,i,j),j=1,3), ! time, lon, lat
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> nint(tra(n,i,4)), ! p
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> (tra(n,i,j),j=5,ncol) ! fields
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enddo
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enddo
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c Write ascii mode, sorted by time (mode=2)
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elseif (mode.eq.2) then
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do i=1,ntim
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write(fid,*)
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do n=1,ntra
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c Avoid ugly *s or missing space in output
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do j=5,ncol
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if ( abs(tra(n,i,j)).gt.9999.) then
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print*,'Format problem : ',tra(n,i,j),' -> -999.99'
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tra(n,i,j) = -999.99
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endif
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enddo
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write(fid,'(1f7.2,f9.2,f8.2,i6,100f10.3)')
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> (tra(n,i,j),j=1,3), ! time, lon, lat
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> nint(tra(n,i,4)), ! p
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> (tra(n,i,j),j=5,ncol) ! fields
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enddo
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enddo
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c Write fortran mode (mode=3)
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elseif (mode.eq.3) then
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write(fid) tra
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c Write netcdf mode (mode=4)
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elseif (mode.eq.4) then
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call getvars(fid,nvars,vars,ierr)
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do i=1,ntim
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time=tra(1,i,1)
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do j=2,ncol
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do n=1,ntra
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arr(n)=tra(n,i,j)
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enddo
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call putdat(fid,vars(j),time,0,arr,ierr)
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enddo
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enddo
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c Write KML mode (mode=5)
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elseif (mode.eq.5) then
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call getenv('DYN_TOOLS',path)
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path = trim(path)//'/lagranto.ecmwf/goodies/'
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open(fid+1,file=trim(path)//'reformat.refprof')
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do n=1,6
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read(fid+1,*)
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enddo
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do n=1,3000
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read(fid+1,*) ref_z(n),ref_t(n),ref_p(n)
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ref_p(n) = 0.01 * ref_p(n)
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enddo
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close(fid+1)
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do n=1,ntra
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write(fid,"(A)") '<Placemark>'
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write(fid,"(A)") '<name>Absolute Extruded</name>'
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write(fid,"(A)") '<styleUrl>#yellowkLineGreenPoly</styleUrl>'
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write(fid,"(A)") '<LineString>'
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write(fid,"(A)") '<extrude>1</extrude>'
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write(fid,"(A)") '<tessellate>1</tessellate>'
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write(fid,"(A)") '<altitudeMode>absolute</altitudeMode>'
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write(fid,"(A)") '<coordinates>'
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do i=1,ntim
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write(lonstr,*) tra(n,i,2)
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write(latstr,*) tra(n,i,3)
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call binary(lev,tra(n,i,4),ref_z,ref_p)
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write(levstr,*) lev
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outstr = trim(adjustl(lonstr))//','//
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> trim(adjustl(latstr))//','//
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> trim(adjustl(levstr))
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write(fid,"(A)") outstr
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enddo
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write(fid,*) '</coordinates>'
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write(fid,*) '</LineString>'
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write(fid,*) '</Placemark>'
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enddo
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endif
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end
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c ----------------------------------------------------------------
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c Read header from trajectory file
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c ----------------------------------------------------------------
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348 |
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349 |
subroutine read_hea(fid,time,vars,ntra,ntim,ncol,mode)
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implicit none
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352 |
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353 |
c Declaration of subroutine parameters
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354 |
integer fid
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355 |
integer time(6)
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356 |
integer ntra,ntim,ncol
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357 |
character*80 vars(ncol)
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358 |
integer mode
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c Auxiliary variables
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361 |
integer i
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character ch(500)
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character*500 str
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integer ich(500)
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365 |
integer isstr,ileft,iright
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366 |
character*80 varname
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367 |
real rtime(6)
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integer ierr
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integer nvars
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character*15 str1
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character str2
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character*13 str3
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character*4 str4
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character*80 linestr
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integer itmp1,itmp2
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|
377 |
c Read ascii format (mode=1,2)
|
|
|
378 |
if ( (mode.eq.1).or.(mode.eq.2) ) then
|
|
|
379 |
|
|
|
380 |
c Read the time specification (old and new format)
|
|
|
381 |
read(fid,'(a80)') linestr
|
|
|
382 |
|
|
|
383 |
if ( linestr(1:14).eq.'Reference date' ) then
|
|
|
384 |
read(linestr,'(a15,i4,i2,i2,a1,i2,i2,a13,i8,a4)')
|
|
|
385 |
> str1,
|
|
|
386 |
> time(1),time(2),time(3),str2,time(4),time(5),
|
|
|
387 |
> str3,time(6),str4
|
|
|
388 |
|
|
|
389 |
elseif ( linestr(1:11).eq.'time period' ) then
|
|
|
390 |
read(linestr,'(a12,i4,i2,i2,a1,i2,a4,i6,a1,i2,a2)')
|
|
|
391 |
> str1,
|
|
|
392 |
> time(1),time(2),time(3),str2,time(4),
|
|
|
393 |
> str3,itmp1,str3,itmp2,str4
|
|
|
394 |
time(5) = 0
|
|
|
395 |
time(6) = itmp1 * 60 + itmp2
|
|
|
396 |
|
|
|
397 |
endif
|
|
|
398 |
|
|
|
399 |
c Skip the empty line and read field names
|
|
|
400 |
read(fid,*)
|
|
|
401 |
read(fid,'(a500)',end=100) str
|
|
|
402 |
do i=1,500
|
|
|
403 |
ch(i)=str(i:i)
|
|
|
404 |
enddo
|
|
|
405 |
|
|
|
406 |
c Split the input string
|
|
|
407 |
isstr=0
|
|
|
408 |
nvars=0
|
|
|
409 |
do i=1,500
|
|
|
410 |
if ( (isstr.eq.0).and.(ch(i).ne.' ') ) then
|
|
|
411 |
isstr=1
|
|
|
412 |
ileft=i
|
|
|
413 |
elseif ( (isstr.eq.1).and.(ch(i).eq.' ') ) then
|
|
|
414 |
isstr=0
|
|
|
415 |
iright=i-1
|
|
|
416 |
nvars=nvars+1
|
|
|
417 |
vars(nvars)=str(ileft:iright)
|
|
|
418 |
endif
|
|
|
419 |
enddo
|
|
|
420 |
|
|
|
421 |
c Skip the empty line
|
|
|
422 |
read(fid,*,end=100)
|
|
|
423 |
|
|
|
424 |
c Read fortran mode (mode=3)
|
|
|
425 |
elseif (mode.eq.3) then
|
|
|
426 |
read(fid) ntra,ntim,ncol
|
|
|
427 |
read(fid) time
|
|
|
428 |
read(fid) vars
|
|
|
429 |
|
|
|
430 |
c Read IVE netcdf mode (mode=4)
|
|
|
431 |
elseif (mode.eq.4) then
|
|
|
432 |
call getvars(fid,nvars,vars,ierr)
|
|
|
433 |
varname='BASEDATE'
|
|
|
434 |
call getdat(fid,varname,0.,0,rtime,ierr)
|
|
|
435 |
do i=1,6
|
|
|
436 |
time(i)=nint(rtime(i))
|
|
|
437 |
enddo
|
|
|
438 |
endif
|
|
|
439 |
|
|
|
440 |
return
|
|
|
441 |
|
|
|
442 |
c End of file has been reached
|
|
|
443 |
100 fid=-fid
|
|
|
444 |
return
|
|
|
445 |
|
|
|
446 |
c Excetion handling
|
|
|
447 |
110 print*,'<read_hea>: Unexspected time format.... Stop'
|
|
|
448 |
stop
|
|
|
449 |
|
|
|
450 |
end
|
|
|
451 |
|
|
|
452 |
|
|
|
453 |
c ----------------------------------------------------------------
|
|
|
454 |
c Write header to trajectory file (in ascii mode)
|
|
|
455 |
c ----------------------------------------------------------------
|
|
|
456 |
|
|
|
457 |
subroutine write_hea(fid,time,vars,ntra,ntim,ncol,mode)
|
|
|
458 |
|
|
|
459 |
implicit none
|
|
|
460 |
|
|
|
461 |
c Declaration of subroutine parameters
|
|
|
462 |
integer fid
|
|
|
463 |
integer time(6)
|
|
|
464 |
integer ntra,ntim,ncol
|
|
|
465 |
character*80 vars(ncol)
|
|
|
466 |
integer mode
|
|
|
467 |
|
|
|
468 |
c Auxiliary variables
|
|
|
469 |
integer i
|
|
|
470 |
character*500 str
|
|
|
471 |
character*4 str1
|
|
|
472 |
character*2 str2,str3,str4,str5,str6
|
|
|
473 |
integer vardim(4)
|
|
|
474 |
real varmin(4),varmax(4),stag(4)
|
|
|
475 |
real mdv
|
|
|
476 |
integer ierr
|
|
|
477 |
character*80 varname
|
|
|
478 |
real rtime(6)
|
|
|
479 |
integer nvars
|
|
|
480 |
|
|
|
481 |
c Write ascii format (mode=1,2)
|
|
|
482 |
if ( (mode.eq.1).or.(mode.eq.2) ) then
|
|
|
483 |
|
|
|
484 |
c Get the strings for output
|
|
|
485 |
write(str1,'(i4)') time(1)
|
|
|
486 |
write(str2,'(i2)') time(2)
|
|
|
487 |
write(str3,'(i2)') time(3)
|
|
|
488 |
write(str4,'(i2)') time(4)
|
|
|
489 |
write(str5,'(i2)') time(5)
|
|
|
490 |
if (time(2).eq. 0) str2(1:1)='0'
|
|
|
491 |
if (time(3).eq. 0) str3(1:1)='0'
|
|
|
492 |
if (time(4).eq. 0) str4(1:1)='0'
|
|
|
493 |
if (time(5).eq. 0) str5(1:1)='0'
|
|
|
494 |
if (time(2).lt.10) str2(1:1)='0'
|
|
|
495 |
if (time(3).lt.10) str3(1:1)='0'
|
|
|
496 |
if (time(4).lt.10) str4(1:1)='0'
|
|
|
497 |
if (time(5).lt.10) str5(1:1)='0'
|
|
|
498 |
|
|
|
499 |
c Write the time specification
|
|
|
500 |
write(fid,'(a15,a4,a2,a2,a1,a2,a2,a13,i8,a4)')
|
|
|
501 |
> 'Reference date ',
|
|
|
502 |
> str1,str2,str3,'_',str4,str5,
|
|
|
503 |
> ' / Time range',time(6), ' min'
|
|
|
504 |
write(fid,*)
|
|
|
505 |
|
|
|
506 |
c Write variable names
|
|
|
507 |
str=''
|
|
|
508 |
do i=1,ncol
|
|
|
509 |
str=trim(str)//trim(vars(i))
|
|
|
510 |
enddo
|
|
|
511 |
write(fid,'(a6,a9,a8,a6,100a10)') (trim(vars(i)),i=1,ncol)
|
|
|
512 |
write(fid,'(a6,a9,a8,a6,100a10)')
|
|
|
513 |
> '------','---------','--------','------',
|
|
|
514 |
> ('----------',i=5,ncol)
|
|
|
515 |
|
|
|
516 |
c Write fortran mode (mode=3)
|
|
|
517 |
elseif (mode.eq.3) then
|
|
|
518 |
write(fid) ntra,ntim,ncol
|
|
|
519 |
write(fid) time
|
|
|
520 |
write(fid) vars
|
|
|
521 |
|
|
|
522 |
c Write IVE netcdf format (mode=4)
|
|
|
523 |
elseif (mode.eq.4) then
|
|
|
524 |
vardim(1)=ntra
|
|
|
525 |
vardim(2)=1
|
|
|
526 |
vardim(3)=1
|
|
|
527 |
vardim(4)=1
|
|
|
528 |
mdv =-999.98999
|
|
|
529 |
do i=2,ncol
|
|
|
530 |
call putdef(fid,vars(i),4,mdv,vardim,
|
|
|
531 |
> varmin,varmax,stag,ierr)
|
|
|
532 |
enddo
|
|
|
533 |
varname='BASEDATE'
|
|
|
534 |
vardim(1)=6
|
|
|
535 |
call putdef(fid,varname,4,mdv,vardim,
|
|
|
536 |
> varmin,varmax,stag,ierr)
|
|
|
537 |
do i=1,6
|
|
|
538 |
rtime(i)=real(time(i))
|
|
|
539 |
enddo
|
|
|
540 |
call putdat(fid,varname,0.,0,rtime,ierr)
|
|
|
541 |
|
|
|
542 |
c Write KML format (mode=5)
|
|
|
543 |
elseif (mode.eq.5) then
|
|
|
544 |
|
|
|
545 |
write(fid,"(A)") '<?xml version="1.0" encoding="UTF-8"?>'
|
|
|
546 |
write(fid,"(A)") '<kml xmlns="http://www.opengis.net/kml/2.2">'
|
|
|
547 |
write(fid,"(A)") '<Document>'
|
|
|
548 |
write(fid,"(A)") '<name>Paths</name>'
|
|
|
549 |
write(fid,"(A)") '<Style id="yellowLineGreenPoly">'
|
|
|
550 |
write(fid,"(A)") '<LineStyle>'
|
|
|
551 |
c write(fid,*) '<color>7f00ffff</color>' ! Yellow
|
|
|
552 |
write(fid,"(A)") '<color>500A0A0A</color>' ! Black
|
|
|
553 |
write(fid,"(A)") '<width>4</width>'
|
|
|
554 |
write(fid,"(A)") '</LineStyle>'
|
|
|
555 |
write(fid,"(A)") '<PolyStyle>'
|
|
|
556 |
write(fid,"(A)") '<color>7f00ff00</color>'
|
|
|
557 |
write(fid,"(A)") '</PolyStyle>'
|
|
|
558 |
write(fid,"(A)") '</Style>'
|
|
|
559 |
|
|
|
560 |
endif
|
|
|
561 |
|
|
|
562 |
end
|
|
|
563 |
|
|
|
564 |
|
|
|
565 |
c ----------------------------------------------------------------
|
|
|
566 |
c Close a trajectory file
|
|
|
567 |
c ----------------------------------------------------------------
|
|
|
568 |
|
|
|
569 |
subroutine close_tra(fid,mode)
|
|
|
570 |
|
|
|
571 |
implicit none
|
|
|
572 |
|
|
|
573 |
c Declaration of subroutine parameters
|
|
|
574 |
integer fid
|
|
|
575 |
integer mode
|
|
|
576 |
|
|
|
577 |
c Auxiliary variables
|
|
|
578 |
integer ierr
|
|
|
579 |
|
|
|
580 |
c Close file
|
|
|
581 |
if (mode.eq.1) then
|
|
|
582 |
close(abs(fid))
|
|
|
583 |
|
|
|
584 |
elseif (mode.eq.2) then
|
|
|
585 |
close(abs(fid))
|
|
|
586 |
|
|
|
587 |
elseif (mode.eq.3) then
|
|
|
588 |
close(fid)
|
|
|
589 |
|
|
|
590 |
elseif (mode.eq.4) then
|
|
|
591 |
call clscdf(fid,ierr)
|
|
|
592 |
|
|
|
593 |
elseif (mode.eq.5) then
|
|
|
594 |
write(fid,"(A)") '</Document>'
|
|
|
595 |
write(fid,"(A)") '</kml>'
|
|
|
596 |
close(abs(fid))
|
|
|
597 |
endif
|
|
|
598 |
|
|
|
599 |
end
|
|
|
600 |
|
|
|
601 |
|
|
|
602 |
c ----------------------------------------------------------------
|
|
|
603 |
c Determine the mode of a trajectory file
|
|
|
604 |
c ----------------------------------------------------------------
|
|
|
605 |
|
|
|
606 |
subroutine mode_tra(mode,filename)
|
|
|
607 |
|
|
|
608 |
implicit none
|
|
|
609 |
|
|
|
610 |
c Declaration of subroutine parameters
|
|
|
611 |
integer mode
|
|
|
612 |
character*80 filename
|
|
|
613 |
|
|
|
614 |
c Auxiliary variables
|
|
|
615 |
integer len
|
|
|
616 |
character char0,char1,char2,char3,char4
|
|
|
617 |
|
|
|
618 |
c Get mode
|
|
|
619 |
mode=-1
|
|
|
620 |
|
|
|
621 |
len = len_trim(filename)
|
|
|
622 |
|
|
|
623 |
c Mode specified by number
|
|
|
624 |
char0 = filename((len-1):(len-1))
|
|
|
625 |
char1 = filename(len:len)
|
|
|
626 |
|
|
|
627 |
if ( (char0.eq.'.').and.(char1.eq.'1') ) mode=1
|
|
|
628 |
if ( (char0.eq.'.').and.(char1.eq.'2') ) mode=2
|
|
|
629 |
if ( (char0.eq.'.').and.(char1.eq.'3') ) mode=3
|
|
|
630 |
if ( (char0.eq.'.').and.(char1.eq.'4') ) mode=4
|
|
|
631 |
if ( (char0.eq.'.').and.(char1.eq.'5') ) mode=5
|
|
|
632 |
|
|
|
633 |
if ( mode.gt.0 ) return
|
|
|
634 |
|
|
|
635 |
c Mode specified by appendix
|
|
|
636 |
char0 = filename((len-3):(len-3))
|
|
|
637 |
char1 = filename((len-2):(len-2))
|
|
|
638 |
char2 = filename((len-1):(len-1))
|
|
|
639 |
char3 = filename(len:len)
|
|
|
640 |
if ( (char1.eq.'.').and.(char2.eq.'l').and.(char3.eq.'s') ) mode=1
|
|
|
641 |
if ( (char1.eq.'.').and.(char2.eq.'t').and.(char3.eq.'i') ) mode=2
|
|
|
642 |
if ( (char1.eq.'.').and.(char2.eq.'d').and.(char3.eq.'u') ) mode=3
|
|
|
643 |
if ( (char1.eq.'.').and.(char2.eq.'n').and.(char3.eq.'c') ) mode=4
|
|
|
644 |
|
|
|
645 |
if ( (char0.eq.'.').and.(char1.eq.'k').and.
|
|
|
646 |
> (char2.eq.'m').and.
|
|
|
647 |
> (char3.eq.'l') ) mode = 5
|
|
|
648 |
|
|
|
649 |
end
|
|
|
650 |
|
|
|
651 |
|
|
|
652 |
c ----------------------------------------------------------------
|
|
|
653 |
c Get dimension of a trajectory file
|
|
|
654 |
c ----------------------------------------------------------------
|
|
|
655 |
|
|
|
656 |
subroutine info_tra(filename,ntra,ntim,ncol,mode)
|
|
|
657 |
|
|
|
658 |
implicit none
|
|
|
659 |
|
|
|
660 |
c Declaration of subroutine parameters
|
|
|
661 |
integer fid
|
|
|
662 |
character*80 filename
|
|
|
663 |
integer mode
|
|
|
664 |
integer ntra,ntim,ncol
|
|
|
665 |
|
|
|
666 |
c Auxiliary variables
|
|
|
667 |
integer vardim(4)
|
|
|
668 |
real varmin(4),varmax(4),stag(4)
|
|
|
669 |
real mdv
|
|
|
670 |
character*80 cfn
|
|
|
671 |
integer ierr
|
|
|
672 |
integer i,ndim
|
|
|
673 |
character*80 vars(100)
|
|
|
674 |
integer nvars
|
|
|
675 |
integer ntimes
|
|
|
676 |
real times(100)
|
|
|
677 |
character*500 str
|
|
|
678 |
integer nline0,nline1,nline2
|
|
|
679 |
integer isstr,isok
|
|
|
680 |
character ch
|
|
|
681 |
|
|
|
682 |
c Open file
|
|
|
683 |
if (mode.eq.1) then
|
|
|
684 |
fid=10
|
|
|
685 |
open(fid,file=filename)
|
|
|
686 |
elseif (mode.eq.2) then
|
|
|
687 |
fid=10
|
|
|
688 |
open(fid,file=filename)
|
|
|
689 |
elseif (mode.eq.3) then
|
|
|
690 |
fid=10
|
|
|
691 |
open(fid,file=filename,form='unformatted')
|
|
|
692 |
elseif (mode.eq.4) then
|
|
|
693 |
call cdfopn(filename,fid,ierr)
|
|
|
694 |
endif
|
|
|
695 |
|
|
|
696 |
c Get dimension information
|
|
|
697 |
if ( (mode.eq.1).or.(mode.eq.2) ) then
|
|
|
698 |
read(fid,*)
|
|
|
699 |
read(fid,*)
|
|
|
700 |
read(fid,'(a500)') str
|
|
|
701 |
read(fid,*)
|
|
|
702 |
|
|
|
703 |
c Get the number of columns
|
|
|
704 |
isstr=0
|
|
|
705 |
ncol =0
|
|
|
706 |
do i=1,500
|
|
|
707 |
ch = str(i:i)
|
|
|
708 |
|
|
|
709 |
if ( (isstr.eq.0).and.(ch.ne.' ') ) then
|
|
|
710 |
isstr=1
|
|
|
711 |
elseif ( (isstr.eq.1).and.(ch.eq.' ') ) then
|
|
|
712 |
isstr=0
|
|
|
713 |
ncol=ncol+1
|
|
|
714 |
endif
|
|
|
715 |
enddo
|
|
|
716 |
|
|
|
717 |
c Get the first data block
|
|
|
718 |
nline0 = 5
|
|
|
719 |
nline1 = 5
|
|
|
720 |
read(fid,*)
|
|
|
721 |
100 read(fid,'(a500)',end=110) str
|
|
|
722 |
if (str.ne.'') then
|
|
|
723 |
nline1 = nline1 + 1
|
|
|
724 |
goto 100
|
|
|
725 |
endif
|
|
|
726 |
110 continue
|
|
|
727 |
|
|
|
728 |
c Get the total numbers of lines in the data block
|
|
|
729 |
nline2 = nline1
|
|
|
730 |
120 read(fid,*,end=130)
|
|
|
731 |
nline2 = nline2 + 1
|
|
|
732 |
goto 120
|
|
|
733 |
130 nline2 = nline2 + 1
|
|
|
734 |
|
|
|
735 |
c Set the dimensions
|
|
|
736 |
if (mode.eq.1) then
|
|
|
737 |
ntim = nline1 - nline0
|
|
|
738 |
ntra = (nline2-nline0+1)/(ntim+1)
|
|
|
739 |
else
|
|
|
740 |
ntra = nline1 - nline0
|
|
|
741 |
ntim = (nline2-nline0+1)/(ntra+1)
|
|
|
742 |
endif
|
|
|
743 |
|
|
|
744 |
elseif (mode.eq.3) then
|
|
|
745 |
read(fid) ntra,ntim,ncol
|
|
|
746 |
|
|
|
747 |
elseif (mode.eq.4) then
|
|
|
748 |
call gettimes(fid,times,ntimes,ierr)
|
|
|
749 |
call getvars(fid,nvars,vars,ierr)
|
|
|
750 |
call getdef(fid,trim(vars(2)),ndim,mdv,vardim,
|
|
|
751 |
> varmin,varmax,stag,ierr)
|
|
|
752 |
ntra = vardim(1)
|
|
|
753 |
ntim = ntimes
|
|
|
754 |
ncol = nvars-1
|
|
|
755 |
|
|
|
756 |
endif
|
|
|
757 |
|
|
|
758 |
c Close file
|
|
|
759 |
if (mode.eq.1) then
|
|
|
760 |
close(fid)
|
|
|
761 |
elseif (mode.eq.2) then
|
|
|
762 |
close(fid)
|
|
|
763 |
elseif (mode.eq.3) then
|
|
|
764 |
close(fid)
|
|
|
765 |
elseif (mode.eq.4) then
|
|
|
766 |
call clscdf(fid,ierr)
|
|
|
767 |
endif
|
|
|
768 |
|
|
|
769 |
end
|
|
|
770 |
|
|
|
771 |
|
|
|
772 |
c ----------------------------------------------------------------
|
|
|
773 |
c Binary search algorithm
|
|
|
774 |
c ----------------------------------------------------------------
|
|
|
775 |
|
|
|
776 |
subroutine binary (z,p,ref_z,ref_p)
|
|
|
777 |
|
|
|
778 |
implicit none
|
|
|
779 |
|
|
|
780 |
c Declaration of subroutine parameters
|
|
|
781 |
real z
|
|
|
782 |
real p
|
|
|
783 |
real ref_z(3000)
|
|
|
784 |
real ref_p(3000)
|
|
|
785 |
|
|
|
786 |
c Auxiliary variables
|
|
|
787 |
integer i0,i1,im
|
|
|
788 |
|
|
|
789 |
c Binary search
|
|
|
790 |
i0 = 1
|
|
|
791 |
i1 = 3000
|
|
|
792 |
100 continue
|
|
|
793 |
im = (i0 + i1) / 2
|
|
|
794 |
if ( p.lt.ref_p(im) ) then
|
|
|
795 |
i0 = im
|
|
|
796 |
else
|
|
|
797 |
i1 = im
|
|
|
798 |
endif
|
|
|
799 |
if ( (i1-i0).gt.1 ) goto 100
|
|
|
800 |
|
|
|
801 |
c Linear interpolation in between
|
|
|
802 |
z = ref_z(i0) + ( p - ref_p(i0) ) / ( ref_p(i1) - ref_p(i0) ) *
|
|
|
803 |
> ( ref_z(i1) - ref_z(i0) )
|
|
|
804 |
|
|
|
805 |
end
|
|
|
806 |
|
|
|
807 |
|
|
|
808 |
|
|
|
809 |
|
|
|
810 |
|