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func_plot_sf_vp.ncl
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func_plot_sf_vp.ncl
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load "$NCARG_ROOT/lib/ncarg/nclscripts/csm/gsn_code.ncl"
load "$NCARG_ROOT/lib/ncarg/nclscripts/csm/gsn_csm.ncl"
load "$NCARG_ROOT/lib/ncarg/nclscripts/csm/contributed.ncl"
;load "func_read_era_all.ncl"
load "func_read_reanalysis.ncl"
load "func_dailytopentad.ncl"
undef("plot_vpsf")
function plot_vpsf(u[*][*],v[*][*],opt)
begin
if(isatt(opt,"filename"))then
filename = opt@filename
else
filename = "test_sfvp"
end if
if(isatt(opt,"plottype"))then
plottype = opt@plottype
else
plottype = "vp" ; or "sf"
end if
if(isatt(opt,"title"))then
title = opt@title
else
title = filename
end if
sfvp = uv2sfvpF(u,v)
sfvp!1 = u!0
sfvp!2 = u!1
sfvp&$sfvp!1$ = u&$u!0$
sfvp&$sfvp!2$ = u&$u!1$
sf = sfvp(0,:,:)
vp = sfvp(1,:,:)
zsf = sf
zvp = vp
zsf = 0
zvp = 0
divu = zvp
divv = zvp
rotu = zsf
rotv = zsf
sfvp2uvf(sf,zvp,rotu,rotv)
sfvp2uvf(zsf,vp,divu,divv)
print("ploting: "+filename)
wks = gsn_open_wks("ps",filename)
gsn_define_colormap(wks,"testcmap")
res = True
res@tiMainString = title
res@cnFillOn = True
res@cnLineLabelsOn = False ; turn off contour line labels
res@cnLinesOn = False
res@gsnScalarContour = True ; contours desired
res@gsnSpreadColors = True ; use full color map
res@gsnSpreadColorStart = 17 ; start at color 17
res@gsnSpreadColorEnd = 200 ; end at color 200
;res@lbLabelBarOn = False
res@mpMinLonF = 90. ; select a subregion
res@mpMaxLonF = 300.
res@mpMinLatF = -40.
res@mpMaxLatF = 60.
res@mpCenterLonF = 180.
res@mpGridAndLimbOn = True
res@mpGridLatSpacingF = 60.
res@mpGridLonSpacingF = 180.
res@mpGridLineColor = "blue"
res@mpFillOn = False
;res@vcRefMagnitudeF = 4.0 ; define vector ref mag
res@vcRefLengthF = 0.050 ; define length of vec ref
res@vcRefAnnoOrthogonalPosF = -1.0 ; move ref vector
res@vcRefAnnoArrowLineColor = "black" ; change ref vector color
res@vcRefAnnoArrowUseVecColor = False ; don't use vec color for ref
;res@vcGlyphStyle = "FillArrow"
;res@vcGlyphStyle = "WindBarb"
;res@vcFillArrowEdgeColor = -1
res@vcLineArrowThicknessF = 3.0
res@vcLineArrowHeadMaxSizeF = 0.04
;plot = gsn_csm_vector_scalar_map_ce(wks,rotu,rotv,sf,res)
if (plottype.eq."vp")then
pu = divu
pv = divv
pfield = vp
else
pu = rotu
pv = rotv
pfield = sf
end if
velo = sqrt(pu*pu+pv*pv)
maxwind = max(velo)
minwind = 0
if(maxwind .lt. 10) then
nicewind = 5
else
nicewind = 10
end if
if(maxwind .lt. 3) then
nicewind = 2
end if
if(maxwind .lt. 2) then
nicewind = 1
end if
res@vcRefMagnitudeF = nicewind ; define vector ref mag
pfield = pfield/10000000
plot = gsn_csm_vector_scalar_map_ce(wks,pu(::4,::4),pv(::4,::4),pfield,res)
;filename = filename+"_uv"
;print("ploting: "+filename)
;wks = gsn_open_wks("ps",filename)
;gsn_define_colormap(wks,"testcmap")
;plot = gsn_csm_vector_map_ce(wks,u,v,res)
return True
end
undef("plot_uv_JJASON_vpsf")
function plot_uv_JJASON_vpsf(u[*][*][*],v[*][*][*],opt)
begin
dims = dimsizes(u)
nt = dims(0)
if(nt.eq.365)then
nt1 = 151 ; for June 1 = 152th day of year
nt2 = 343 ; for Nov.30 = 344th day of year
end if
if(nt.eq.366)then
nt1 = 152 ; for June 1 = 153th day of year
nt2 = 344 ; for Nov.30 = 345th day of year
end if
if(nt.eq.73)then
nt1 = 30 ; where penta 31 = May31-Jun04
nt2 = 67 ; where penta 68 = Nov27-Dec02
end if
if(nt.eq.12)then
nt1 = 5 ; June
nt2 = 10 ; November
end if
if(.not.isvar("nt1"))then ;; if not any of them
print("unknow time step "+nt)
exit
end if
u1 = dim_avg_n_Wrap(u(nt1:nt2,:,:),0)
v1 = dim_avg_n_Wrap(v(nt1:nt2,:,:),0)
a = plot_vpsf(u1,v1,opt)
return a
end
undef("plot_JJASON_vpsf")
function plot_JJASON_vpsf(years[*],opt)
begin
if (isatt(opt,"plottype"))then
plottype = opt@plottype
else
plottype = "sf"
end if
if (isatt(opt,"lev"))then
lev = opt@lev
else
lev = 850
end if
if (isatt(opt,"compset"))then
compset = opt@compset
else
compset = "test_compset"
end if
if (isatt(opt,"filename"))then
filename = opt@filename
else
filename = ""+plottype+"_"+compset+"_JJASON_"+lev+"hPa"
end if
if (isatt(opt,"title"))then
title = opt@title
else
title = filename
end if
ny = dimsizes(years)
uvar = "U"
uvar@lev = lev
vvar = uvar
vvar = "V"
compu = read_reanalysis_monclm(years,uvar)
compv = read_reanalysis_monclm(years,vvar)
opt@filename = filename
opt@title = title
dimu = dimsizes(compu)
a =plot_uv_JJASON_vpsf(compu,compv,opt)
compuv = new((/2,dimu(0),dimu(1),dimu(2)/),"float")
compuv!0 = "u_v"
compuv(0,:,:,:) = compu
compuv(1,:,:,:) = compv
delete(compu)
delete(compv)
delete(filename)
delete(opt@filename)
return compuv
end
undef("plot_clm_vpsf")
function plot_clm_vpsf(years[*],mons[*],plottype,title,filename)
begin
load "res_years.ncl"
if (isatt(years,"lev"))then
lev = years@lev
else
lev = 850
end if
if (isatt(years,"ano"))then
ano = years@ano
else
ano = False
end if
ryears = years
ryears@clm = True
ny = dimsizes(years)
uvar = "U"
uvar@lev = lev
vvar = uvar
vvar = "V"
compu = read_reanalysis_monclm(ryears,uvar)
compv = read_reanalysis_monclm(ryears,vvar)
u1 = dim_avg_n_Wrap(compu({mons},:,:),0)
v1 = dim_avg_n_Wrap(compv({mons},:,:),0)
if (ano)then
clmu = read_reanalysis_monclm(allyears,uvar)
clmv = read_reanalysis_monclm(allyears,vvar)
clmus = dim_avg_n_Wrap(clmu({mons},:,:),0)
clmvs = dim_avg_n_Wrap(clmv({mons},:,:),0)
u1 = u1-clmus
v1 = v1-clmvs
delete(clmu)
delete(clmv)
delete(clmus)
delete(clmvs)
end if
opt = True
opt@filename = filename
opt@title = title
opt@plottype = plottype
dimu = dimsizes(compu)
a =plot_vpsf(u1,v1,opt)
compuv = new((/2,dimu(0),dimu(1),dimu(2)/),"float")
compuv!0 = "u_v"
compuv(0,:,:,:) = compu
compuv(1,:,:,:) = compv
delete(compu)
delete(compv)
return compuv
end
undef("plot_clm_SONdJJA_vpsf")
function plot_clm_SONdJJA_vpsf(years[*],plottype,title,filename)
begin
load "res_years.ncl"
if (isatt(years,"lev"))then
lev = years@lev
else
lev = 850
end if
ryears = years
ryears@clm = True
ny = dimsizes(years)
uvar = "U"
uvar@lev = lev
vvar = uvar
vvar = "V"
compu = read_reanalysis_monclm(ryears,uvar)
compv = read_reanalysis_monclm(ryears,vvar)
u1 = dim_avg_n_Wrap(compu({SON},:,:),0)
u1 = u1 - dim_avg_n_Wrap(compu({JJA},:,:),0)
v1 = dim_avg_n_Wrap(compv({SON},:,:),0)
v1 = v1 - dim_avg_n_Wrap(compv({JJA},:,:),0)
opt = True
opt@filename = filename
opt@title = title
opt@plottype = plottype
dimu = dimsizes(compu)
a =plot_vpsf(u1,v1,opt)
compuv = new((/2,dimu(0),dimu(1),dimu(2)/),"float")
compuv!0 = "u_v"
compuv(0,:,:,:) = compu
compuv(1,:,:,:) = compv
delete(compu)
delete(compv)
return compuv
end