source: trunk/src/paper01/fig13/net_flux_validation_scatter_2000_2007.pro @ 174

;+
; .. _net_flux_validation_scatter_2000_2007.pro:
;
; =========================================
; net_flux_validation_scatter_2000_2007.pro
; =========================================
;
; DESCRIPTION
; ===========
;
; This program will create the text files with statistics of respective variables
;
; :file:`${PROJECT_OD}/TropFlux_swr_19890101_20071231_DT.nc` ++dates
; containing ++
; has been produced by
; :func:`tropflux_swr_dt`.
;
; :file:`${PROJECT_OD}/TropFlux_swr_19890101_20091231_NRT.nc`
; containing ++
; has been produced by
; :func:`tropflux_swr_nrt`.
;
; :file:`${PROJECT_OD}/TropFlux_19890101_20091231.nc`
; ; containing ++
; has been produced by
; :ref:`TropFlux_19890101_20091231.pro`.
;
; .. graphviz::
;
;    digraph net_flux_validation_scatter_2000_2007 {
;
;       tropflux_general [shape=ellipse,fontname=Courier,label="${PROJECT_OD}/TropFlux_19890101_20091231.nc"];
;       tropflux_dt_swr [shape=ellipse,fontname=Courier,label="${PROJECT_OD}/TropFlux_swr_19890101_20071231_DT.nc"];
;       tropflux_nrt_swr [shape=ellipse,fontname=Courier,label="${PROJECT_OD}/TropFlux_swr_19890101_20091231_NRT.nc"];
;       ncep2 [shape=ellipse,fontname=Courier,label="${PROJECT_OD}/NCEP2_flux_19890101_20090729.nc"];
;       erai [shape=ellipse,fontname=Courier,label="${PROJECT_OD}/erai_fluxes_19930101_20090801_TROP_oafluxgrid.nc"];
;       shf_oafluxgrid [shape=ellipse,fontname=Courier,label="${PROJECT_OD}/shf_oafluxgrid_1985_2008.nc"];
;       lhf_oafluxgrid [shape=ellipse,fontname=Courier,label="${PROJECT_OD}/lhf_oafluxgrid_1985_2008.nc"];
;       lwr_oafluxgrid [shape=ellipse,fontname=Courier,label="${PROJECT_OD}/lwr_oafluxgrid_1985_2007.nc"];
;       ncep1 [shape=ellipse,fontname=Courier,label="${PROJECT_OD}/fluxe_ncep1_19890101_20091231.nc"];
;       net_nrt_erai [shape=ellipse,fontname=Courier,label="${PROJECT_OD}/net_2000_2007_erai.txt"];
;       net_nrt_trop [shape=ellipse,fontname=Courier,label="${PROJECT_OD}/net_2000_2007_trop.txt"];
;       net_nrt_ncep [shape=ellipse,fontname=Courier,label="${PROJECT_OD}/net_2000_2007_ncep.txt"];
;       net_nrt_ncep1 [shape=ellipse,fontname=Courier,label="${PROJECT_OD}/net_2000_2007_ncep1.txt"];
;       net_nrt_tropd [shape=ellipse,fontname=Courier,label="${PROJECT_OD}/net_2000_2007_tropd.txt"];
;
;       figure [shape=ellipse,fontname=Courier,label="${PROJECT_OD}/net_flux_validation_scatter_2000_2007.ps"];
;
;       net_flux_validation_scatter_2000_2007 [shape=box,
;       fontname=Courier,
;       color=blue,
;       URL="http://forge.ipsl.jussieu.fr/tropflux/broswrer/trunk/src/paper01/fig13/net_flux_validation_scatter_2000_2007.pro",
;       label="${TROPFLUX}/src/paper01/fig13/net_flux_validation_scatter_2000_2007.pro"];
;
;       {tropflux_general tropflux_dt_swr tropflux_nrt_swr ncep2 erai shf_oafluxgrid lhf_oafluxgrid lwr_oafluxgrid ncep1} -> {net_flux_validation_scatter_2000_2007} -> {net_nrt_erai net_nrt_trop net_nrt_ncep net_nrt_ncep1 net_nrt_tropd figure}
;    }
;
; SEE ALSO
; ========
;
; :ref:`project_profile.sh`
; :ref:`project_init.pro`
; :ref:`cm_project.pro`
;
; :func:`x_site_location`
; :func:`y_site_location`
;
; :ref:`statistics_3var_v1.pro`
;
; EXAMPLES
; ========
;
; ::
;
;  IDL> date1=19890101L
;  IDL> date2=20091231L
;  IDL> net_flux_validation_scatter_2000_2007, date1, date2
;
; TODO
; ====
;
; make it work on cratos : missing data
;
; coding rules
;
; complete description
;
; handle IO error
;
; EVOLUTIONS
; ==========
;
; $Id$
;
; $URL$
;
; - fplod 20110817T101928Z aedon.locean-ipsl.upmc.fr (Darwin)
;
;   * remove v50 from filenames
;   * replace PROJECT_ID by PROJECT_OD
;   * complete description (not finish)
;
; - fplod 20110420T114953Z aedon.locean-ipsl.upmc.fr (Darwin)
;
;   * remove hard coding path
;   * add graphviz
;   * externalize functions
;
; - fplod 20110411T142955Z aedon.locean-ipsl.upmc.fr (Darwin)
;
;   * minimal header
;
;-
pro net_flux_validation_scatter_2000_2007, date1, date2
@cm_general
@cm_project
reinitplt, /z,/invert
key_portrait = 1
;
openps, FILENAME = project_od_env+'net_flux_validation_scatter_2000_2007.ps'
;
sitelist=['8s67e','12s55e', '8s55e', '8s80.5e', '1.5s80.5e', '0n80.5e', '1.5n80.5e', '1.5s90e', $
           '0n90e', '1.5n90e', '4n90e','8n90e','12n90e', '15n90e', '5s95e', $
           '8s165e', '8s180w',  '8s155w', '8s125w', '8s110w', '8s95w',  '5s156e', '5s165e', '5s180w', '5s170w', $
          '5s155w', '5s140w', '5s125w', '5s110w', '5s95w', '2s156e', '2s165e', '2s180w', '2s170w', '2s155w', '2s140w', $
          '2s125w', '2s110w', '2s95w', '0n147e', '0n156e', '0n165e', '0n180w', '0n170w', '0n155w', '0n140w', '0n125w', $
          '0n110w', '0n95w', '2n147e', '2n156e', '2n165e', '2n180w', '2n170w', '2n155w', '2n140w', '2n125w', '2n110w', $
          '2n95w', '5n147e', '5n156e', '5n165e', '5n170w', '5n155w', '5n140w', '5n125w', '5n110w', '5n95w', $
          '8n156e', '8n165e', '8n180w', '8n170w', '9n140w', '8n125w', '8n110w', '8n95w', $
          '0n0e', '0n10w', '0n23w', '0n35w', '10s10w', '12n23w', '12n38w', '14s32w', '15n38w', '19s34w', '20n38w', $
          '21n23w', '4n23w', '4n38w', '6s10w', '8n38w', '8s30w']
;
jda1=date2jul(date1)
jda2=date2jul(date2)
jpt=(jda2-jda1+1l)
time=jda1+dindgen(jpt)
;
ocean='net_flux'
nsmooth=1.
file_trop=project_od_env+'TropFlux_19890101_20091231.nc'
initncdf, file_trop
shf_trop=read_ncdf("shf", date1, date2, file=file_trop,/nostr)
lhf_trop=read_ncdf("lhf", date1, date2, file=file_trop,/nostr)
lwr_trop=read_ncdf("lwr", date1, date2, file=file_trop,/nostr)
;
file_trop=project_od_env+'TropFlux_swr_19890101_20071231_DT.nc'
initncdf, file_trop
swr_dt=read_ncdf("swr", date1, date2, file=file_trop,/nostr)
trop=swr_dt+(lwr_trop+lhf_trop+shf_trop)
help, trop
;
file_trop=project_od_env+'TropFlux_swr_19890101_20091231_NRT.nc'
initncdf, file_trop
swr_nrt=read_ncdf("sw", date1-1, date2, file=file_trop,/nostr)
tropd=swr_nrt+(lwr_trop+lhf_trop+shf_trop)
help, tropd
;
file_ncep=project_od_env+'NCEP2_flux_19890101_20090729.nc'
initncdf, file_ncep
shf=read_ncdf("shf", date1, date2, file=file_ncep,/nostr)
lhf=read_ncdf("lhf", date1, date2, file=file_ncep,/nostr)
lwr=read_ncdf("lwr", date1, date2, file=file_ncep,/nostr)
swr=read_ncdf("swr", date1, date2, file=file_ncep,/nostr)
;
;ncep=swr-(lhf+shf+ref_lw)
ncep=swr-(lhf+shf+lwr)
help, ncep
;
file_erai=project_od_env+'erai_fluxes_19930101_20090801_TROP_oafluxgrid.nc'
initncdf, file_erai
shf=read_ncdf("shf", date1, date2, file=file_erai,/nostr)
lhf=read_ncdf("lhf", date1, date2, file=file_erai,/nostr)
lwr=read_ncdf("lwr", date1, date2, file=file_erai,/nostr)
swr=read_ncdf("swr", date1, date2, file=file_erai,/nostr)
swr=-1*swr
erai=swr-(lwr+lhf+shf)
help, erai
;
file_oaf=project_od_env+'shf_oafluxgrid_1985_2008.nc'
initncdf, file_oaf
shf=read_ncdf("shf", date1, date2, file=file_oaf,/nostr)
file_oaf=project_od_env+'lhf_oafluxgrid_1985_2008.nc'
initncdf, file_oaf
lhf=read_ncdf("lhf", date1, date2, file=file_oaf,/nostr)
file_oaf=project_od_env+'lwr_oafluxgrid_1985_2007.nc'
initncdf, file_oaf
lwr=read_ncdf("lwr", date1, date2, file=file_oaf,/nostr)
file_oaf=project_od_env+'swr_oafluxgrid_1985_2007.nc'
initncdf, file_oaf
swr=read_ncdf("swr", date1, date2, file=file_oaf,/nostr)
swr_trop=swr
oafl=swr-(lwr+lhf+shf)
help, oafl
;
file=project_od_env+'fluxe_ncep1_19890101_20091231.nc'
initncdf, file
lwr=read_ncdf("lwr", date1, date2, file=file,/nostr)
swr=read_ncdf("swr", date1, date2, file=file,/nostr)
lhf=read_ncdf("lhf", date1, date2, file=file,/nostr)
shf=read_ncdf("shf", date1, date2, file=file,/nostr)
;
ncep1=swr+lwr+shf+lhf
help, ncep1
;
close,/all
;
fi_net_NRT_erai=project_od_env+'net_2000_2007_erai.txt'
openw,1,fi_net_NRT_erai
fi_net_NRT_trop=project_od_env+'net_2000_2007_trop.txt'
openw,2,fi_net_NRT_trop
fi_net_NRT_oaflx=project_od_env+'net_2000_2007_oaflx.txt'
openw,3,fi_net_NRT_oaflx
fi_net_NRT_ncep=project_od_env+'net_2000_2007_ncep.txt'
openw,4,fi_net_NRT_ncep
fi_net_NRT_ncep1=project_od_env+'net_2000_2007_ncep1.txt'
openw,5,fi_net_NRT_ncep1
fi_net_NRT_tropd=project_od_env+'net_2000_2007_tropd.txt'
openw,6,fi_net_NRT_tropd
;
printf,1, 'x     y      cor    bias     std     rmsd      mean_tao'
printf,2, 'x     y      cor    bias     std     rmsd      mean_tao'
printf,3, 'x     y      cor    bias     std     rmsd      mean_tao'
printf,4, 'x     y      cor    bias     std     rmsd      mean_tao'
printf,5, 'x     y      cor    bias     std     rmsd      mean_tao'
printf,6, 'x     y      cor    bias     std     rmsd      mean_tao'
;
nn=n_elements(sitelist)
;
for n=0, nn-1 do begin
;
; reading data from mooring
;
    site=sitelist(n)
    csite=site
    print, csite
    x=x_site_location(site)
    y=y_site_location(site)
    if (y ge 0. and y le 30.) then y=y+360.
    dx=0.5
    dy=0.5
    box=[y-dy, y+dy, x-dx, x+dx]
;
    read_variables_net_flux, csite,date1,date2,nsmooth, $
         net
    tao=net
    ind=where(finite(tao))
    valid=n_elements(ind)
;
    if (valid ge 180. ) then begin
;
           extract_flux_tropflux, oafl, box, $
              tropflux
           oaflux=tropflux
;
           extract_flux_tropflux, ncep, box, $
              tropflux
           ncepflux=tropflux
;
           extract_flux_tropflux, erai, box, $
              tropflux
           eraiflux=tropflux
;
           extract_flux_tropflux, trop, box, $
              tropflux
           tropflux_new=tropflux
;
           extract_flux_tropflux, ncep1, box, $
              tropflux
           ncepflux1=tropflux
;
           extract_flux_tropflux, tropd, box, $
              tropflux
           tropdf=tropflux
;
           ind=where(finite(tao))
           tao=tao(ind)
           oaf_net=oaflux(ind)
           nce_net=ncepflux(ind)
           trop_net=tropflux_new(ind)
           erai_net=eraiflux(ind)
           nce1_net=ncepflux1(ind)
           tropd_net=tropdf(ind)
;
           mean_tao=total(tao,/nan)/n_elements(ind)
;
        statistics_3var_v1, tao, erai_net, trop_net, $
                 cor1, cor2, bias1, bias2, std1, std2, rmsd1, rmsd2
;
        printf, 1, x, y, cor1, bias1, std1, rmsd1, mean_tao, format='(f6.2, 3x, f6.2, 3x, f4.2,3x,f7.2,3x,f4.2,3x,f6.2,3x,f7.2)'
        printf, 2, x, y, cor2, bias2, std2, rmsd2, mean_tao, format='(f6.2, 3x, f6.2, 3x, f4.2,3x,f7.2,3x,f4.2,3x,f6.2,3x,f7.2)'
;
        statistics_3var_v1, tao,oaf_net , nce_net, $
                cor1, cor2, bias1, bias2, std1, std2, rmsd1, rmsd2
        printf, 3, x, y, cor1, bias1, std1, rmsd1, mean_tao,format='(f6.2, 3x, f6.2, 3x, f4.2,3x,f7.2,3x,f4.2,3x,f6.2,3x,f7.2)'
        printf, 4, x, y, cor2, bias2, std2, rmsd2, mean_tao,format='(f6.2, 3x, f6.2, 3x, f4.2,3x,f7.2,3x,f4.2,3x,f6.2,3x,f7.2)'
;
        statistics_3var_v1, tao,nce1_net , tropd_net, $
                cor1, cor2, bias1, bias2, std1, std2, rmsd1, rmsd2
        printf, 5, x, y, cor1, bias1, std1, rmsd1, mean_tao,format='(f6.2, 3x, f6.2, 3x, f4.2,3x,f7.2,3x,f4.2,3x,f6.2,3x,f7.2)'
        printf, 6, x, y, cor2, bias2, std2, rmsd2, mean_tao,format='(f6.2, 3x, f6.2, 3x, f4.2,3x,f7.2,3x,f4.2,3x,f6.2,3x,f7.2)'
;
     endif
endfor
;
close,/all
;
fi_net_NRT_erai=project_od_env+'net_2000_2007_erai.txt'
res=read_ascii(fi_net_NRT_erai,data_start=1)
ff=res.field1
cor_erai=reform(ff(2,*))
bias_erai=reform(ff(3,*))
std_erai=reform(ff(4,*))
rmsd_erai=reform(ff(5,*))
mean_tao=reform(ff(6,*))
mean_erai=mean_tao+bias_erai
;
ind=where(finite(cor_erai))
cor=total(cor_erai,/nan)/n_elements(ind)
ind=where(finite(bias_erai))
bias=total(bias_erai,/nan)/n_elements(ind)
ind=where(finite(rmsd_erai))
rmsd=total(rmsd_erai,/nan)/n_elements(ind)
ind=where(finite(std_erai))
std=total(std_erai,/nan)/n_elements(ind)
;
print, ''
print, 'ERAI'
print, cor, bias, std, rmsd
cstat=string(cor, bias, std, rmsd, format='(f4.2,2x,f6.2,2x,f4.2,1x,f6.2)')
;
splot, mean_tao, mean_erai, charsize=1.1, title='NET_Flux - TAO Vs ERAI', $
     xrange=[-100,200], yrange=[-100,200], small=[2,3,1], psym=2, xmin=1,ymin=1
xyouts, -50,-40, cstat, charsize=1.
xyouts, -40,-80, 'cor    bias    std    rmsd', charsize=1.
;
x=mean_tao
y=mean_erai
ab=linfit(x,y,yfit=yfit)
a=float(ab(0))
b=float(ab(1))
print, a,b
oplot, x, yfit, thick=2, color=250
oplot, [-100,200], [-100,200]
;
fi_net_NRT_trop=project_od_env+'net_2000_2007_trop.txt'
res=read_ascii(fi_net_NRT_trop,data_start=1)
ff=res.field1
cor_trop=reform(ff(2,*))
bias_trop=reform(ff(3,*))
std_trop=reform(ff(4,*))
rmsd_trop=reform(ff(5,*))
mean_tao=reform(ff(6,*))
mean_trop=mean_tao+bias_trop
;
ind=where(finite(cor_trop))
cor=total(cor_trop,/nan)/n_elements(ind)
ind=where(finite(bias_trop))
bias=total(bias_trop,/nan)/n_elements(ind)
ind=where(finite(rmsd_trop))
rmsd=total(rmsd_trop,/nan)/n_elements(ind)
ind=where(finite(std_trop))
std=total(std_trop,/nan)/n_elements(ind)
;
print, ''
print, 'TropFlux'
print, cor, bias, std, rmsd
cstat=string(cor, bias, std, rmsd, format='(f4.2,2x,f6.2,2x,f4.2,1x,f6.2)')
;
splot, mean_tao, mean_trop, charsize=1.1, title='NET_Flux - TAO Vs TropFlux', $
     xrange=[-100,200], yrange=[-100,200], small=[2,3,2],/noer, psym=2, xmin=1,ymin=1
xyouts, -50,-40, cstat, charsize=1.
xyouts, -40,-80, 'cor    bias    std    rmsd', charsize=1.
;
x=mean_tao
y=mean_trop
ab=linfit(x,y,yfit=yfit)
a=float(ab(0))
b=float(ab(1))
print, a,b
oplot, x, yfit, thick=2, color=250
oplot, [-100,200], [-100,200]
;
fi_net_NRT_oaflx=project_od_env+'net_2000_2007_oaflx.txt'
res=read_ascii(fi_net_NRT_oaflx,data_start=1)
ff=res.field1
cor_oaf=reform(ff(2,*))
bias_oaf=reform(ff(3,*))
std_oaf=reform(ff(4,*))
rmsd_oaf=reform(ff(5,*))
mean_tao=reform(ff(6,*))
mean_oaf=mean_tao+bias_oaf
;
ind=where(finite(cor_oaf))
cor=total(cor_oaf,/nan)/n_elements(ind)
ind=where(finite(bias_oaf))
bias=total(bias_oaf,/nan)/n_elements(ind)
ind=where(finite(rmsd_oaf))
rmsd=total(rmsd_oaf,/nan)/n_elements(ind)
ind=where(finite(std_oaf))
std=total(std_oaf,/nan)/n_elements(ind)
;
print, ''
print, 'OAFlux'
print, cor, bias, std, rmsd
cstat=string(cor, bias, std, rmsd, format='(f4.2,2x,f6.2,2x,f4.2,1x,f6.2)')
;
splot, mean_tao, mean_oaf, charsize=1.1, title='NET_Flux - TAO Vs OAFlux', $
     xrange=[-100,200], yrange=[-100,200], small=[2,3,3],/noer, psym=2, xmin=1,ymin=1
x=mean_tao
y=mean_oaf
;
xyouts, -50,-40, cstat, charsize=1.
xyouts, -40,-80, 'cor    bias    std    rmsd', charsize=1.
;
ab=linfit(x,y,yfit=yfit)
a=float(ab(0))
b=float(ab(1))
print, a,b
oplot, x, yfit, thick=2, color=250
oplot, [-100,200], [-100,200]
;
fi_net_NRT_ncep=project_od_env+'net_2000_2007_ncep.txt'
res=read_ascii(fi_net_NRT_ncep,data_start=1)
ff=res.field1
cor_nce=reform(ff(2,*))
bias_nce=reform(ff(3,*))
std_nce=reform(ff(4,*))
rmsd_nce=reform(ff(5,*))
mean_tao=reform(ff(6,*))
mean_nce=mean_tao+bias_nce
;
ind=where(finite(cor_nce))
cor=total(cor_nce,/nan)/n_elements(ind)
ind=where(finite(bias_nce))
bias=total(bias_nce,/nan)/n_elements(ind)
ind=where(finite(rmsd_nce))
rmsd=total(rmsd_nce,/nan)/n_elements(ind)
ind=where(finite(std_nce))
std=total(std_nce,/nan)/n_elements(ind)
;
print, ''
print, 'NCEP2'
print, cor, bias, std, rmsd
cstat=string(cor, bias, std, rmsd, format='(f4.2,2x,f6.2,2x,f4.2,1x,f6.2)')
;
splot, mean_tao, mean_nce, charsize=1.1, title='NET_Flux - TAO Vs NCEP2', $
     xrange=[-100,200], yrange=[-100,200], small=[2,3,4],/noer, psym=2, xmin=1,ymin=1
xyouts, -50,-40, cstat, charsize=1.
xyouts, -40,-80, 'cor    bias    std    rmsd', charsize=1.
;
x=mean_tao
y=mean_nce
ab=linfit(x,y,yfit=yfit)
a=float(ab(0))
b=float(ab(1))
print, a,b
oplot, x, yfit, thick=2, color=250
oplot, [-100,200], [-100,200]
;
fi_net_NRT_ncep1=project_od_env+'net_2000_2007_ncep1.txt'
res=read_ascii(fi_net_NRT_ncep1,data_start=1)
ff=res.field1
cor_nce=reform(ff(2,*))
bias_nce=reform(ff(3,*))
std_nce=reform(ff(4,*))
rmsd_nce=reform(ff(5,*))
mean_tao=reform(ff(6,*))
mean_nce=mean_tao+bias_nce
;
ind=where(finite(cor_nce))
cor=total(cor_nce,/nan)/n_elements(ind)
ind=where(finite(bias_nce))
bias=total(bias_nce,/nan)/n_elements(ind)
ind=where(finite(rmsd_nce))
rmsd=total(rmsd_nce,/nan)/n_elements(ind)
ind=where(finite(std_nce))
std=total(std_nce,/nan)/n_elements(ind)
;
print, ''
print, 'NCEP2'
print, cor, bias, std, rmsd
cstat=string(cor, bias, std, rmsd, format='(f4.2,2x,f6.2,2x,f4.2,1x,f6.2)')
;
splot, mean_tao, mean_nce, charsize=1.1, title='NET_Flux - TAO Vs NCEP2', $
     xrange=[-100,200], yrange=[-100,200], small=[2,3,5],/noer, psym=2, xmin=1,ymin=1
xyouts, -50,-40, cstat, charsize=1.
xyouts, -40,-80, 'cor    bias    std    rmsd', charsize=1.
;
x=mean_tao
y=mean_nce
ab=linfit(x,y,yfit=yfit)
a=float(ab(0))
b=float(ab(1))
print, a,b
oplot, x, yfit, thick=2, color=250
oplot, [-100,200], [-100,200]
;
fi_net_NRT_tropd=project_od_env+'net_2000_2007_tropd.txt'
res=read_ascii(fi_net_NRT_tropd,data_start=1)
ff=res.field1
cor_tropd=reform(ff(2,*))
bias_tropd=reform(ff(3,*))
std_tropd=reform(ff(4,*))
rmsd_tropd=reform(ff(5,*))
mean_tao=reform(ff(6,*))
mean_tropd=mean_tao+bias_tropd
;
ind=where(finite(cor_tropd))
cor=total(cor_tropd,/nan)/n_elements(ind)
ind=where(finite(bias_tropd))
bias=total(bias_tropd,/nan)/n_elements(ind)
ind=where(finite(rmsd_tropd))
rmsd=total(rmsd_tropd,/nan)/n_elements(ind)
ind=where(finite(std_tropd))
std=total(std_tropd,/nan)/n_elements(ind)
;
print, ''
print, 'TropFlux_NRT'
print, cor, bias, std, rmsd
cstat=string(cor, bias, std, rmsd, format='(f4.2,2x,f6.2,2x,f4.2,1x,f6.2)')
;
splot, mean_tao, mean_tropd, charsize=1.1, title='NET_Flux - TAO Vs TropFlux_NRT', $
     xrange=[-100,200], yrange=[-100,200], small=[2,3,6],/noer, psym=2, xmin=1,ymin=1
xyouts, -50,-40, cstat, charsize=1.
xyouts, -40,-80, 'cor    bias    std    rmsd', charsize=1.
;
x=mean_tao
y=mean_tropd
ab=linfit(x,y,yfit=yfit)
a=float(ab(0))
b=float(ab(1))
print, a,b
oplot, x, yfit, thick=2, color=250
oplot, [-100,200], [-100,200]
;
closeps
;
end