;+
;
; .. _TropFlux_swr_NRT_19890101_20091231.pro:
;
; ======================================
; TropFlux_swr_NRT_19890101_20091231.pro
; ======================================
;
;
;     .. graphviz::
;
;        digraph tropflux_swr_nrt_19890101_200912311 {
;           graph [
;           rankdir="LR",
;           ]
;           file_sw [shape=ellipse,fontname=Courier,label="/Users/pkb/data/TropFlux/TropFlux_swr_19890101_20071231_DT_v50.nc"];
;           file_olr [shape=ellipse,fontname=Courier,label="/Users/pkb/data/heat_budget/NOAA_OLR/olr_oafluxgrid_30n30s_19890101_20091231.nc"];
;           ncfile [shape=ellipse,fontname=Courier,label="/Users/pkb/data/TropFlux/TropFlux_swr_19890101_20091231_NRT_v50.nc"];
;
;           tropflux_swr_nrt_19890101_200912311 [shape=box,
;           fontname=Courier,
;           color=blue,
;           URL="http://forge.ipsl.jussieu.fr/tropflux/browser/trunk/src/TropFlux_swr_NRT_19890101_200912311.pro",
;           label="${PROJECT}/src/TropFlux_swr_NRT_19890101_200912311.pro"];
;
;           {file_sw file_olr}-> {tropflux_swr_nrt_19890101_200912311} -> {ncfile}
;       }
;
; SEE ALSO
; ========
;
; :func:`initncdf <saxo:initncdf>`
; :func:`read_ncdf <saxo:read_ncdf>`
; :func:`julday <saxo:julday>`
; :func:`ncdf_quickwrite <saxo:ncdf_quickwrite>`
;
; EXAMPLES
; ========
;
; ::
;
;  IDL> tropflux_swr_nrt_19890101_20091231
;
; TODO
; ====
;
; hard coded directory - usage of ${PROJECT_ID}
;
; coding rules
;
; change the name to swr_nrt_correction_ncdf.pro
;
; EVOLUTIONS
; ==========
;
; - fplod 20101215T092145Z aedon.locean-ipsl.upmc.fr (Darwin)
;
;   * add graph in header
;
; - fplod 20101214T093615Z aedon.locean-ipsl.upmc.fr (Darwin)
;
;   * minimal header
;
; - pbk 2008
;
;   * creation
;
;-
pro TropFlux_swr_NRT_19890101_20091231
@common
file='/Users/pkb/data/TropFlux/TropFlux_swr_19890101_20071231_DT_v50.nc'
initncdf, file
sw=read_ncdf("swr", 19890101, 20071231, file=file,/nostr)

swi=sw
file_olr='/Users/pkb/data/heat_budget/NOAA_OLR/olr_oafluxgrid_30n30s_19890101_20091231.nc'

initncdf,file_olr
olr=read_ncdf('olr',19890100, 20071231,file=file_olr,/nost)

help, sw, olr

;;creating climatology

ny=(2007-1989)+1
nt=365*ny
olri=total(reform(olr(*,*,0:nt-1),nxt,nyt,365,ny),4)/ny
swi=total(reform(swi(*,*,0:nt-1),nxt,nyt,365,ny),4)/ny

help, olri, swi

;; applying smoothing
nsmooth=45

swi=[[[swi]],[[swi]],[[swi]]] & olri=[[[olri]],[[olri]],[[olri]]]
si=size(sw) & n1=si(1) & n2=si(2)

for j=0,n2-1 do begin
  for i=0,n1-1 do begin
    x=reform(swi(i,j,*))
    y=reform(olri(i,j,*))
    swi(i,j,*)=smooth(x,nsmooth)
    olri(i,j,*)=smooth(y,nsmooth)
  endfor
endfor

swi=swi[*,*,365:365+364] & olri=olri[*,*,365:365+364]
help, swi

initncdf, file_olr
olr=read_ncdf('olr', 19890100, 20091231, box=box, file=file_olr,/nostr)
tt=time & jpt=n_elements(time)
caldat, time,mon,day,yea
swm=olr*0. & olrm=olr*0.
for jt=0,jpt-1 do begin
  jtt=(time(jt)-julday(1,1,yea(jt))) < 364
  swm(*,*,jt)=swi(*,*,jtt)
  olrm(*,*,jt)=olri(*,*,jtt)
endfor

help, swm, olrm

olra=olr-olrm                       ; olr anomaly
rec=swm+(olra/0.760364)             ; reconstructed sw
;writing field
time=julday(1,1,1989)+lindgen(7670)
cda0=string(jul2date(tt(0)),format='(i8.8)')
cda1=string(jul2date(tt(jpt-1)),format='(i8.8)')

lat=reform(gphit(0,0:jpj-1))
lon=reform(glamt(0:jpi-1,0))
time=time-julday(1,1,1950) & jpt=n_elements(time)

ncfile='!/Users/pkb/data/TropFlux/TropFlux_swr_19890101_20091231_NRT_v50.nc'
lon_attr={units:'degrees_east',long_name:'Longitude'}
lat_attr={units:'degrees_north',long_name:'Latitude'}
time_attr={units:'days since 1950-01-01 00:00:00',long_name:'Time axis',time_origin:''}
sw_attr={units:'w/m^2',missing_value:1.e20,long_name:'Net Shortwave Radiation',short_name:'swr',axis:'TYX'}
globattr={source:'Reconstructed from corrected OLR anomalies and TropFlux mean SWR climatology',timerange:cda0+' - '+cda1}


ncfields = 'sw[longitude,latitude,time]=rec:sw_attr; ' $
                      + 'longitude[]=lon:lon_attr; ' $
                      + 'latitude[]=lat:lat_attr; ' $
                      + 'time[*time]=time:time_attr ' $
                      + ' @ globattr'

@ncdf_quickwrite

end