Sylvain Watelet - 31/03/2016 : MAJOR upgrade : bottom analysis now po…

…ssible. The distance is counted from the bottom ocean, derived from the interpolation of the topography topo.grd. Program added : interpbottom.f90. Programs upgraded : divadoall,ivaselectorODV4,dvvinterpodv.

DIVA3D/src/Fortran/Util/interpbottom.f90

@@ -0,0 +1,290 @@
+Program interpbottom
+implicit none
+
+!------------------------------------------------
+! Sylvain Watelet - 27/03/2016
+! swatelelet@ulg.ac.be
+! 
+! Interpolation of the bottom depth from topo.grd
+!------------------------------------------------
+
+      integer nmax,iw,i,j,n,ii,d
+      parameter(nmax=10000,iw=100000000)
+      REAL*4 U(iw)
+      REAL*4 X(nmax)
+      REAL*4 Y(nmax)
+
+	real*8,allocatable,dimension(:)::lon,lat,botdepth
+	real*8::deltalat,deltalon,a,c,R=6371.,pi=3.14159265,distance
+	real*8,dimension(4)::dist_proche,U_proche
+
+      integer NX, NY, KMAX, ipr, nw, IMAX, JMAX
+      real VALEXU
+      real*8 W8(1)
+      real xorig, yorig, dx, dy, xend, yend, valex
+
+      character(len=256)::gherfile,infofile,bigfile,bigfile2
+	character(len=256)::c1,c2,c3,c4,c5,c6,c7,c8,c9,c10,c11,c12,botdepthc
+
+gherfile="topo.grd"
+infofile="TopoInfo.dat"
+bigfile="bigfile.nobotdepth"
+bigfile2="bigfile.botdepth"
+
+open (unit=10,file=trim(gherfile),form='unformatted')
+CALL UREADC(10,W8,U,VALEXU,IPR,IMAX,JMAX,KMAX,NW)
+
+      if (KMAX.ne.1) stop "2D Field only, please."
+
+      ipr=4
+      nw=imax*jmax
+      if(nw.gt.iw) then
+      write(6,*) 'Severe error, increase iw interpbottom.f90'
+      stop 'Severe error, increase iw interpbottom.f90'
+      endif
+      if(imax.gt.nmax.or.jmax.gt.nmax) then
+      write(6,*) 'Severe error, increase iw interpbottom.f90'
+      stop 'Severe error, increase nmax interpbottom.f90'
+      endif
+
+
+!    Reads the grid data from info file
+!----------------------------------------------
+      open(unit=90,file=trim(infofile))
+      read(90,*) xorig
+      read(90,*) yorig
+      read(90,*) dx
+      read(90,*) dy
+      read(90,*) xend
+      read(90,*) yend
+
+      NX=int((xend-xorig)/dx)
+      NY=int((yend-yorig)/dy)
+
+      close(90)
+!      write(*,*) 'valex = ,', valex 
+      close(10)
+
+!------------------------------------------------
+! Creation of dimensions
+!------------------------------------------------
+
+do i = 1, IMAX
+   X(i) = xorig + (i - 1) * dx
+end do
+do j = 1, JMAX
+   Y(j) = yorig + (j - 1) * dy
+end do
+
+!Do j=1,jmax
+!	Do i=1,imax
+!		write(0,*) X(i),Y(j),U(i+(j-1)*imax)
+!	Enddo
+!Enddo
+
+!------------------------------------------------
+! Reading coordinates of VAR.bigfile.nobotdepth
+!------------------------------------------------
+
+open(unit=11,file=trim(bigfile))
+
+n=0
+Do while (.true.)
+	read(11,*,end=1009)
+	n=n+1
+Enddo
+
+1009 continue
+
+allocate(lon(n),lat(n),botdepth(n))
+
+rewind(11)
+
+i=0
+Do while (.true.)
+	i=i+1
+	read(11,*,end=1010) lon(i),lat(i)
+Enddo
+
+1010 continue
+
+ close(11)
+
+!write(0,*) n,lon(n),lat(n)
+
+!------------------------------------------------
+! Interpolation of bot depth on each lon-lat 
+!------------------------------------------------
+
+Do ii=1,n
+	dist_proche(:)=99999.
+	U_proche(:)=99999.
+	Do i=1,imax
+		Do j=1,jmax
+			d=d+1
+
+			deltalon=lon(ii)-X(i)
+			deltalat=lat(ii)-Y(j)
+
+			If ((abs(deltalat)>dy).or.(abs(deltalon)>dx)) cycle 
+
+			deltalat = deltalat*(pi/180.)
+			deltalon = deltalon*(pi/180.)
+
+			a = (sin(deltalat/2.))**2 + cos(lat(ii)*(pi/180.))*cos(Y(j)*(pi/180.))*(sin(deltalon/2.))**2  !! Haversine formula
+			c = 2*atan2(sqrt(a),sqrt(1-a))
+			distance = R*c
+
+			If (distance<epsilon(0.)) distance=epsilon(0.) ! to avoid division by zero
+
+			If (distance<dist_proche(1)) then
+				dist_proche(4)=dist_proche(3)
+				dist_proche(3)=dist_proche(2)
+				dist_proche(2)=dist_proche(1)
+				dist_proche(1)=distance
+				U_proche(4)=U_proche(3)
+				U_proche(3)=U_proche(2)
+				U_proche(2)=U_proche(1)
+				U_proche(1)=U(i+(j-1)*imax)
+			else if (distance<dist_proche(2)) then
+				dist_proche(4)=dist_proche(3)
+				dist_proche(3)=dist_proche(2)
+				dist_proche(2)=distance
+				U_proche(4)=U_proche(3)
+				U_proche(3)=U_proche(2)
+				U_proche(2)=U(i+(j-1)*imax)
+			else if (distance<dist_proche(3)) then
+				dist_proche(4)=dist_proche(3)
+				dist_proche(3)=distance
+				U_proche(4)=U_proche(3)
+				U_proche(3)=U(i+(j-1)*imax)
+			else if (distance<dist_proche(4)) then
+				dist_proche(4)=distance
+				U_proche(4)=U(i+(j-1)*imax)
+			Endif
+
+		Enddo
+	Enddo
+
+	botdepth(ii)=sum((1./dist_proche(:))*U_proche(:))/sum(1./dist_proche(:))
+!	write(0,*) U_proche,dist_proche,botdepth(ii)
+!	call sleep(1)
+!	write(0,*) ii,botdepth(ii) !,dist_proche(:),epsilon(0.)
+Enddo
+
+!------------------------------------------------
+! Writing bigfile.botdepth
+!------------------------------------------------
+
+rewind(11)
+open(unit=11,file=trim(bigfile))
+open(unit=12,file=trim(bigfile2))
+
+Do ii=1,n
+	read(11,*) c1,c2,c3,c4,c5,c6,c7,c8,c9,c10,c11,c12
+	write(botdepthc,'(i5)') int(botdepth(ii))
+write(12,'(12(a,x))') trim(c1),trim(c2),trim(c3),trim(c4),trim(c5),trim(c6),trim(c7),trim(c8),trim(c9),trim(c10),trim(c11),&
+&trim(adjustl(botdepthc))
+Enddo
+
+ close(11)
+ close(12)
+
+      stop
+End program
+
+
+
+      Subroutine UREADC(iu,c8,c4,valexr,iprecr,imaxr,jmaxr,kmaxr,nbmotr)
+!                ======
+!-----------------------------------------------------------------------
+! Reads the field C(I,J,K) from fortran unit iu
+! returns the field in the array c4 if the returned iprecr=4
+! returns the field in the array c8 if the returned iprecr=8
+! returns the values if imaxr,jmaxr,kmaxr found in the file
+!
+! JMB 6/3/91
+!-----------------------------------------------------------------------
+!
+      PARAMETER(KBLANC=10)
+      real*4 c4(*)
+      real*8 c8(*)
+      integer*4 imaxc,jmaxc,kmaxc,iprec,nbmots
+
+! in the calling routin you can specify the following equivalence to
+! save memory space:
+!      equivalence(c,c4)
+
+!      equivalence(c,c8)
+!
+! skip KBLANC lines
+      do 1 kb=1,KBLANC
+        read(iu,ERR=99)
+ 1    continue
+!
+        read(iu) imaxc,jmaxc,kmaxc,iprec,nbmots,valexc
+!
+! pass the values read to the calling routine
+        iprecr=iprec
+        imaxr=imaxc
+        jmaxr=jmaxc
+        kmaxr=kmaxc
+        nbmotr=nbmots
+        valexr=valexc
+
+!      print *, 'iprecr=', iprec
+!      print *, 'imaxr=', imaxc
+!      print *, 'jmaxr=', jmaxc
+!      print *, 'kmaxr=', kmaxc
+!      print *, 'nbmotr=', nbmots
+!      print *, 'valexr=', valexc
+
+
+!
+! compute the number of full records to read and the remaining words
+        nl=(imaxc*jmaxc*kmaxc)/nbmots
+        ir=imaxc*jmaxc*kmaxc-nbmots*nl
+        ide=0
+!
+
+! if pathological case, read only four values C0 and DCI,DCJ,DCK
+! and return
+! them as the two four elements of the array
+        if(imaxc.lt.0.or.jmaxc.lt.0.or.kmaxc.lt.0) then
+        nl=0
+        ir=4
+        endif
+!
+!
+! single precision
+        if(iprec.eq.4) then
+        do 10 kl=1,nl
+          read(iu,ERR=99,END=100) (c4(ide+kc),kc=1,nbmots)
+          ide=ide+nbmots
+ 10      continue
+          read(iu,ERR=99,END=100) (c4(ide+kc),kc=1,ir)
+                      else
+!
+! double precision
+        if(iprec.eq.8) then
+        do 20 kl=1,nl
+          read(iu,ERR=99,END=100) (c8(ide+kc),kc=1,nbmots)
+          ide=ide+nbmots
+ 20      continue
+          read(iu,ERR=99,END=100) (c8(ide+kc),kc=1,ir)
+                      else
+        goto 99
+        endif
+        endif
+!
+        return
+ 99      continue
+        write(*,*) 'Data error in UREADC, not a conform file'
+        return
+100      continue
+        write(*,*) 'Data error in UREADC, EOF reached'
+        write(*,*)' number of values retrieved:', (kl-1)*nbmots+kc-1
+
+        return
+        end
+

JRA4/Climatology/divadoall

@@ -133,7 +133,7 @@ maxlevel=$(cat ./input/contour.depth | wc -l)
 
 
 isextract=0
-if [ "$isextractf" == "1" ] || [ "$isextractf" == "2" ]
+if [ "$isextractf" == "1" ] || [ "$isextractf" == "2" ] || [ "$isextractf" == "3" ]
 then
 isextract=1
 rm -f pressure.coordinates
@@ -273,7 +273,7 @@ fi
 #############################################################################################
 
 echo 'divadoall:' Now extracting
-./divaselectorODV4 $ODVDATA
+./divaselectorODV4 $ODVDATA $isextractf
 
 echo 'divadoall:' finished with $ODVDATA
 done < datasource
@@ -878,6 +878,12 @@ then rm -f ./output/ghertonetcdf
 fi
 mkdir -p ./output/ghertonetcdf
 
+if [ $isextractf == 3 ]
+then
+cp input/contour.depth input/contour.depth.ori
+grep -v '^$' input/contour.depth.ori | tac > input/contour.depth
+fi
+
 echo 'divadoall:' 
 echo 'divadoall:' 'Running diva3Ddress on '"$var" $year $month
 echo 'divadoall:' '########################################'