| 3 |
michaesp |
1 |
PROGRAM reformat
|
|
|
2 |
|
|
|
3 |
c ***********************************************************************
|
|
|
4 |
c * Change format of a trajectory file *
|
|
|
5 |
c * Michael Sprenger / Spring, summer 2010 *
|
|
|
6 |
c ***********************************************************************
|
|
|
7 |
|
|
|
8 |
implicit none
|
|
|
9 |
|
|
|
10 |
c ----------------------------------------------------------------------
|
|
|
11 |
c Declaration of variables
|
|
|
12 |
c ----------------------------------------------------------------------
|
|
|
13 |
|
|
|
14 |
c Mode & Special parameters depending on mode
|
|
|
15 |
character*80 mode
|
|
|
16 |
real clon,clat,radius
|
|
|
17 |
|
|
|
18 |
c Input and output files
|
|
|
19 |
character*80 inpfile ! Input filename
|
|
|
20 |
character*80 outfile ! Output filename
|
|
|
21 |
|
|
|
22 |
c Trajectories
|
|
|
23 |
integer ntra ! Number of trajectories
|
|
|
24 |
integer ntim ! Number of times
|
|
|
25 |
integer ncol ! Number of columns
|
|
|
26 |
real,allocatable, dimension (:,:,:) :: tra ! Trajectories (ntra,ntim,ncol)
|
|
|
27 |
real,allocatable, dimension (:,:) :: proxy ! Footprint
|
|
|
28 |
character*80 vars(100) ! Variable names
|
|
|
29 |
integer refdate(6) ! Reference date
|
|
|
30 |
|
|
|
31 |
c Auxiliary variables
|
|
|
32 |
integer inpmode
|
|
|
33 |
integer stat
|
|
|
34 |
integer fid
|
|
|
35 |
integer i,j,k
|
|
|
36 |
real dist
|
|
|
37 |
real lon0,lat0,lon1,lat1
|
|
|
38 |
real boost
|
|
|
39 |
real hhmm,tfrac
|
|
|
40 |
integer nout
|
|
|
41 |
|
|
|
42 |
c Externals
|
|
|
43 |
real sdis
|
|
|
44 |
external sdis
|
|
|
45 |
|
|
|
46 |
c ----------------------------------------------------------------------
|
|
|
47 |
c Preparations
|
|
|
48 |
c ----------------------------------------------------------------------
|
|
|
49 |
|
|
|
50 |
c Read parameters
|
|
|
51 |
open(10,file='footprint.param')
|
|
|
52 |
read(10,*) inpfile
|
|
|
53 |
read(10,*) outfile
|
|
|
54 |
read(10,*) ntra,ntim,ncol
|
|
|
55 |
read(10,*) mode
|
|
|
56 |
if ( mode.eq.'proxy' ) then
|
|
|
57 |
read(10,*) clon
|
|
|
58 |
read(10,*) clat
|
|
|
59 |
read(10,*) radius
|
|
|
60 |
endif
|
|
|
61 |
close(10)
|
|
|
62 |
|
|
|
63 |
c Check that a valid mode is selected
|
|
|
64 |
if ( mode.eq.'proxy' ) goto 10
|
|
|
65 |
print*,' Unknown mode ',trim(mode)
|
|
|
66 |
stop
|
|
|
67 |
10 continue
|
|
|
68 |
|
|
|
69 |
c Determine the formats
|
|
|
70 |
call mode_tra(inpmode,inpfile)
|
|
|
71 |
if (inpmode.eq.-1) inpmode=1
|
|
|
72 |
|
|
|
73 |
c Allocate memory
|
|
|
74 |
allocate(tra(ntra,ntim,ncol),stat=stat)
|
|
|
75 |
if (stat.ne.0) print*,'*** error allocating array tra ***'
|
|
|
76 |
if ( mode.eq. 'proxy' ) then
|
|
|
77 |
allocate(proxy(ntra,ncol+1),stat=stat)
|
|
|
78 |
if (stat.ne.0) print*,'*** error allocating array proxy ***'
|
|
|
79 |
endif
|
|
|
80 |
|
|
|
81 |
c Read inpufile
|
|
|
82 |
call ropen_tra(fid,inpfile,ntra,ntim,ncol,refdate,vars,inpmode)
|
|
|
83 |
call read_tra (fid,tra,ntra,ntim,ncol,inpmode)
|
|
|
84 |
call close_tra(fid,inpmode)
|
|
|
85 |
|
|
|
86 |
c ----------------------------------------------------------------------
|
|
|
87 |
c Mode = 'proxy': get nearest distance to a lat/lon point
|
|
|
88 |
c ----------------------------------------------------------------------
|
|
|
89 |
|
|
|
90 |
if ( mode.ne.'proxy') goto 200
|
|
|
91 |
|
|
|
92 |
c Transform into fractional time
|
|
|
93 |
do i=1,ntra
|
|
|
94 |
do j=1,ntim
|
|
|
95 |
hhmm = tra(i,j,1)
|
|
|
96 |
call hhmm2frac(hhmm,tfrac)
|
|
|
97 |
tra(i,j,1) = tfrac
|
|
|
98 |
enddo
|
|
|
99 |
enddo
|
|
|
100 |
|
|
|
101 |
c Get proxy and get number of output steps
|
|
|
102 |
call get_proxy (proxy,clon,clat,tra,ntra,ntim,ncol,radius)
|
|
|
103 |
|
|
|
104 |
c Transform into hhmm time
|
|
|
105 |
do i=1,ntra
|
|
|
106 |
tfrac = proxy(i,1)
|
|
|
107 |
call frac2hhmm(tfrac,hhmm)
|
|
|
108 |
proxy(i,1) = hhmm
|
|
|
109 |
enddo
|
|
|
110 |
|
|
|
111 |
c Write output
|
|
|
112 |
vars(ncol+1) = 'dist'
|
|
|
113 |
open(10,file=outfile)
|
|
|
114 |
call write_hea(10,refdate,vars,1,1,ncol+1,1)
|
|
|
115 |
do i=1,ntra
|
|
|
116 |
if ( proxy(i,ncol+1).lt.radius ) then
|
|
|
117 |
write(10,'(1f7.2,f9.2,f8.2,i6,100f10.3)')
|
|
|
118 |
> (proxy(i,j),j=1,3), ! time, lon, lat
|
|
|
119 |
> nint(proxy(i,4)), ! p
|
|
|
120 |
> (proxy(i,j),j=5,ncol+1) ! fields
|
|
|
121 |
endif
|
|
|
122 |
enddo
|
|
|
123 |
close(10)
|
|
|
124 |
|
|
|
125 |
200 continue
|
|
|
126 |
|
|
|
127 |
end
|
|
|
128 |
|
|
|
129 |
|
|
|
130 |
c --------------------------------------------------------------------
|
|
|
131 |
c Subroutines to write the netcdf output file
|
|
|
132 |
c --------------------------------------------------------------------
|
|
|
133 |
|
|
|
134 |
subroutine writecdf2D(cdfname,
|
|
|
135 |
> varname,arr,time,
|
|
|
136 |
> dx,dy,xmin,ymin,nx,ny,
|
|
|
137 |
> crefile,crevar)
|
|
|
138 |
|
|
|
139 |
c Create and write to the netcdf file <cdfname>. The variable
|
|
|
140 |
c with name <varname> and with time <time> is written. The data
|
|
|
141 |
c are in the two-dimensional array <arr>. The list <dx,dy,xmin,
|
|
|
142 |
c ymin,nx,ny> specifies the output grid. The flags <crefile> and
|
|
|
143 |
c <crevar> determine whether the file and/or the variable should
|
|
|
144 |
c be created
|
|
|
145 |
|
|
|
146 |
IMPLICIT NONE
|
|
|
147 |
|
|
|
148 |
c Declaration of input parameters
|
|
|
149 |
character*80 cdfname,varname
|
|
|
150 |
integer nx,ny
|
|
|
151 |
real arr(nx,ny)
|
|
|
152 |
real dx,dy,xmin,ymin
|
|
|
153 |
real time
|
|
|
154 |
integer crefile,crevar
|
|
|
155 |
|
|
|
156 |
c Further variables
|
|
|
157 |
real varmin(4),varmax(4),stag(4)
|
|
|
158 |
integer ierr,cdfid,ndim,vardim(4)
|
|
|
159 |
character*80 cstname
|
|
|
160 |
real mdv
|
|
|
161 |
integer datar(14),stdate(5)
|
|
|
162 |
integer i
|
|
|
163 |
|
|
|
164 |
C Definitions
|
|
|
165 |
varmin(1)=xmin
|
|
|
166 |
varmin(2)=ymin
|
|
|
167 |
varmin(3)=1050.
|
|
|
168 |
varmax(1)=xmin+real(nx-1)*dx
|
|
|
169 |
varmax(2)=ymin+real(ny-1)*dy
|
|
|
170 |
varmax(3)=1050.
|
|
|
171 |
cstname=trim(cdfname)//'_cst'
|
|
|
172 |
ndim=4
|
|
|
173 |
vardim(1)=nx
|
|
|
174 |
vardim(2)=ny
|
|
|
175 |
vardim(3)=1
|
|
|
176 |
stag(1)=0.
|
|
|
177 |
stag(2)=0.
|
|
|
178 |
stag(3)=0.
|
|
|
179 |
mdv=-999.98999
|
|
|
180 |
|
|
|
181 |
C Create the file
|
|
|
182 |
if (crefile.eq.0) then
|
|
|
183 |
call cdfwopn(cdfname,cdfid,ierr)
|
|
|
184 |
if (ierr.ne.0) goto 906
|
|
|
185 |
else if (crefile.eq.1) then
|
|
|
186 |
call crecdf(cdfname,cdfid,
|
|
|
187 |
> varmin,varmax,ndim,cstname,ierr)
|
|
|
188 |
if (ierr.ne.0) goto 903
|
|
|
189 |
|
|
|
190 |
C Write the constants file
|
|
|
191 |
datar(1)=vardim(1)
|
|
|
192 |
datar(2)=vardim(2)
|
|
|
193 |
datar(3)=int(1000.*varmax(2))
|
|
|
194 |
datar(4)=int(1000.*varmin(1))
|
|
|
195 |
datar(5)=int(1000.*varmin(2))
|
|
|
196 |
datar(6)=int(1000.*varmax(1))
|
|
|
197 |
datar(7)=int(1000.*dx)
|
|
|
198 |
datar(8)=int(1000.*dy)
|
|
|
199 |
datar(9)=1
|
|
|
200 |
datar(10)=1
|
|
|
201 |
datar(11)=0 ! data version
|
|
|
202 |
datar(12)=0 ! cstfile version
|
|
|
203 |
datar(13)=0 ! longitude of pole
|
|
|
204 |
datar(14)=90000 ! latitude of pole
|
|
|
205 |
do i=1,5
|
|
|
206 |
stdate(i)=0
|
|
|
207 |
enddo
|
|
|
208 |
c call wricst(cstname,datar,0.,0.,0.,0.,stdate)
|
|
|
209 |
endif
|
|
|
210 |
|
|
|
211 |
c Write the data to the netcdf file, and close the file
|
|
|
212 |
if (crevar.eq.1) then
|
|
|
213 |
call putdef(cdfid,varname,ndim,mdv,
|
|
|
214 |
> vardim,varmin,varmax,stag,ierr)
|
|
|
215 |
if (ierr.ne.0) goto 904
|
|
|
216 |
endif
|
|
|
217 |
call putdat(cdfid,varname,time,0,arr,ierr)
|
|
|
218 |
if (ierr.ne.0) goto 905
|
|
|
219 |
call clscdf(cdfid,ierr)
|
|
|
220 |
|
|
|
221 |
return
|
|
|
222 |
|
|
|
223 |
c Error handling
|
|
|
224 |
903 print*,'*** Problem to create netcdf file ***'
|
|
|
225 |
stop
|
|
|
226 |
904 print*,'*** Problem to write definition ***'
|
|
|
227 |
stop
|
|
|
228 |
905 print*,'*** Problem to write data ***'
|
|
|
229 |
stop
|
|
|
230 |
906 print*,'*** Problem to open netcdf file ***'
|
|
|
231 |
stop
|
|
|
232 |
|
|
|
233 |
END
|
|
|
234 |
|
|
|
235 |
|
|
|
236 |
|