Re: Looping through files

The coding is confusing.

Is the objective:
   For each file, regress y (lat of max values)
   onto x (lon of max values)?

---
If so, maybe the attached is what you want.
On 11/20/13 7:50 AM, Melissa Lazenby wrote:
> Hi All
>
> I have managed to get my regression line program to print out many outputs, however they are all the same values and I want them to be outputs from the individual files in the folder therefore they should be different. I must be doing something wrong with my loops.
> If anyone can help, I would really appreciate it!
> Many thanks!
>
> Kind Regards
> Melissa
>
> ;*************************************************
> ; regline.ncl
> ;
>
> ;*************************************************
> load "$NCARG_ROOT/lib/ncarg/nclscripts/csm/gsn_code.ncl"
> load "$NCARG_ROOT/lib/ncarg/nclscripts/csm/gsn_csm.ncl"
> load "$NCARG_ROOT/lib/ncarg/nclscripts/csm/contributed.ncl"
>
> begin
> ;************************************************
> ; Read in Precip Data.
> ;************************************************
>   ;diri = "/mnt/nfs2/geog/ml382/melphd/eofmodelz/ACCESS1-0/" ; input directory
>   ;fili  = "/pr_Amon_ACCESS1-0_historical_safrica_1950_climDJF.nc"                   ; data
>
>   ;=================================================;
>   ; Read all file names in directory
>   ;=================================================;
>   diri = "/mnt/nfs2/geog/ml382/melphd/eofmodelz/ACCESS1-0/" ; input directory
>   fili = systemfunc("cd "+diri+" ; ls *climDJF.nc")
>   print(fili) ; all file names
>   nfili = dimsizes(fili)
>   print(nfili)
>
>   ;=================================================;
>   ; Establish list of all possible files; *no* reading is done
>   ; 'f' is a variable of type 'list'; index via [...]
>   ;=================================================;
>
>   do nf=0,nfili-1
>   f = addfile(diri+fili(nf), "r")
>   pr = f->pr(0,0,:,:)
>   lat   = f->lat                                      ; get lat
>   end do
>
>
>   ;f     = addfile (fili , "r")                        ; add file
>   ;lat   = f->lat                                      ; get lat
>   ;lon   = f->lon                                      ; get lon
>   ;time  = f->time                                     ; get time
>   ;level = f->z                                        ; get level
>   ;pr    = f->pr                                       ; get precip
>   ;printVarSummary(pr)
>
>
>
>
>   ;pr2 = pr(time|0, z|0, {lat|-30:0}, {lon|10:50})
>
>
>   ;printVarSummary(pr2)
>
>
>
> ;*************************************************************
> ;Calculations of max precip for lat and lon values
> ;**************************************************************
>
>      dimpr   = dimsizes(pr)
>      nlat     = dimpr(0)
>      mlon     = dimpr(1)
>
>   prMaxLon = new ( mlon, typeof(pr), pr@_FillValue)
>
>     do nf=0,nfili-1
>      f = addfile(diri+fili(nf), "r")
>      pr = f->pr(0,0,:,:)
>       lat   = f->lat                                      ; get lat
>       do ml=0,mlon-1
>        imax = maxind(pr(:,ml))
>        prMaxLon(ml) = dble2flt(lat(imax))
>     end do
>     end do
>
>     ;print(prMaxLon)
>     ;print(pr&lon)
>
>     ;print("-------------------------------")
>     ;print("prMaxLon: "+pr&lon+"   "+prMaxLon)
>
>     ;Regression Line
>
>     rcMaxLon = regline(pr&lon,prMaxLon)
>
>      do nf=0,nfili-1
>      f = addfile(diri+fili(nf), "r")
>      pr = f->pr(0,0,:,:)
>      lat   = f->lat
>      print(rcMaxLon)
>      end do
>
>     ;print(rcMaxLon@yave)
>
>     bMaxLon  = rcMaxLon@yintercept
>     ;print(bMaxLon)
>
>     xMaxLon  = pr&lon
>     ;print(xMaxLon)
>     yMaxLon  = rcMaxLon*pr&lon + bMaxLon
>     ;print(yMaxLon)
>
>     ;print("-------------------------------")
>     ;print(xMaxLon+"   "+yMaxLon)
>
>
> end
>
>
>
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