PRO dustemwrap_plot_noobj, p_dim,                            $
                           st = st,                          $
                           dustem_sed = dustem_sed,          $
                           SED_spec = SED_spec,              $
                           dustem_qsed = dustem_qsed,        $
                           Q_spec = Q_spec,                  $  
                           dustem_used = dustem_used,        $
                           U_spec = U_spec,                  $
                           dustem_polsed = dustem_polsed,    $
                           P_spec = P_spec,                  $ 
                           dustem_polfrac = dustem_polfrac,  $
                           SP_spec = SP_spec,                $
                           dustem_psi_em = dustem_psi_em,    $
                           PSI_spec = PSI_spec,              $
                           dustem_ext = dustem_ext,          $
                           EXT_spec = EXT_spec,              $
                           dustem_qext = dustem_qext,        $
                           QEXT_spec = QEXT_spec,            $
                           dustem_uext = dustem_uext,        $
                           UEXT_spec = UEXT_spec,            $
                           dustem_polext = dustem_polext,    $
                           POLEXT_spec = POLEXT_spec,        $
                           dustem_fpolext = dustem_fpolext,  $
                           SPEXT_spec = SPEXT_spec,          $
                           dustem_psi_ext = dustem_psi_ext,  $
                           PSIEXT_spec = PSIEXT_spec,        $
                           _extra = _extra,                    $
                           help = help

;+
; NAME:
;    dustemwrap_plot_noobj
; PURPOSE:
;    plots dustemwrap observed sed, predicted sed, predicted spectra for total Intensity, polarization in emission and extinction without OOP routines
; CATEGORY:
;    DustEMWrap
; CALLING SEQUENCE:
;    dustemwrap_plot_noobj,p_dim,st,dustem_sed,SED_spec,dustem_qsed,Q_spec,dustem_used,U_spec,dustem_polsed,P_spec,dustem_polfrac,SP_spec,dustem_psi_em,PSI_spec,dustem_ext,EXT_spec,dustem_qext,QEXT_spec,dustem_uext,UEXT_spec,dustem_polext,POLEXT_spec,dustem_fpolext,SPEXT_spec,dustem_psi_ext,PSIEXT_spec,_extra=_extra 
; INPUTS:
;    p_dim         = dustemwrap free parameter values
; OPTIONAL INPUT PARAMETERS:
;    st            = dustemwrap structure.
;    dustem_sed
;    dustem_qsed
;    dustem_used
;    dustem_polsed
;    dustem_polfrac
;    dustem_psi_em
;    dustem_ext
;    dustem_qext
;    dustem_uext
;    dustem_polext
;    dustem_fpolext
;    dustem_psi_ext
; OUTPUTS:
; OPTIONAL OUTPUT PARAMETERS:
;    st              = currently returns dustemwrap structure if not provided as an entry.
;    dustem_sed      = 
;    dustem_qsed
;    dustem_used
;    dustem_polsed
;    dustem_polfrac
;    dustem_psi_em
;    dustem_ext
;    dustem_qext
;    dustem_uext
;    dustem_polext
;    dustem_fpolext
;    dustem_psi_ext
;    SED_spec
;    Q_spec
;    U_spec
;    P_spec
;    SP_spec
;    PSI_spec
;    EXT_spec
;    QEXT_spec
;    UEXT_spec
;    POLEXT_spec
;    SPEXT_spec
;    PSIEXT_spec
; ACCEPTED KEY-WORDS:
;    help
; COMMON BLOCKS:
;    None
; SIDE EFFECTS:
;    Does a plot
; RESTRICTIONS:
;    The DustEM fortran code must be installed
;    The DustEMWrap IDL code must be installed
; PROCEDURES AND SUBROUTINES USED:
;
; EXAMPLES
;    
; MODIFICATION HISTORY:
;    Written by Ilyes Choubani
;    Evolution details on the DustEMWrap gitlab.
;-

IF keyword_set(help) THEN BEGIN
  doc_library,'dustemwrap_plot'
  goto,the_end
END

;This is also necessary for the plotting of the results of the fit (Last iteration) 
IF not keyword_set(st) THEN BEGIN
;Activation of the plugins is needed because of the plotting of the total emission model that includes them. 
  dustem_activate_plugins,p_dim/(*(*!dustem_fit).param_init_values),st=st
ENDIF 
  
;==== compute emission and emission polarization SED if not provided
IF NOT keyword_set(dustem_sed) AND isa((*!dustem_data).sed) THEN BEGIN
  dustem_sed = dustem_compute_sed(p_dim,st=st,SED_spec=SED_spec)
  IF !run_pol AND !run_lin AND tag_exist(*!dustem_show,'qsed') THEN BEGIN
     dustem_polsed = dustem_compute_polsed(p_dim,st=st,P_spec=P_spec,SP_spec=SP_spec,dustem_polfrac=dustem_polfrac)
     toto = dustem_compute_stokes(p_dim,st=st,Q_spec=Q_spec,U_spec=U_spec,PSI_spec=PSI_spec,dustem_psi_em=dustem_psi_em) 
     dustem_qsed = toto[0]
     dustem_used = toto[1]   
  ENDIF         
ENDIF

;==== compute extinction and extinction polarization SED if not provided
IF NOT keyword_set(dustem_ext) AND isa((*!dustem_data).ext) THEN BEGIN
    dustem_ext = dustem_compute_ext(p_dim,st=st,EXT_spec=EXT_spec)
    IF !run_pol AND !run_lin AND tag_exist(*!dustem_show,'qext') THEN BEGIN
      dustem_polext = dustem_compute_polext(p_dim,st=st,polext_spec=POLEXT_spec,spext_spec=SPEXT_spec,dustem_fpolext=dustem_fpolext)
      toto = dustem_compute_stokext(p_dim,st=st,QEXT_spec=QEXT_spec,UEXT_spec=UEXT_spec,PSIEXT_spe=PSIEXT_spec,dustem_psi_ext=dustem_psi_ext) 
      dustem_qext = toto[0]
      dustem_uext = toto[1]   
    ENDIF
ENDIF
  
;==== This section is to keep track of chi2 evolution during fit iterations.
mouchard=*!iteration_mouchard
new_mouchard=mouchard[0]
new_mouchard.iteration=!dustem_iter.act
new_mouchard.chi2=(*!dustem_fit).chi2
new_mouchard.rchi2=(*!dustem_fit).rchi2
mouchard=[mouchard,new_mouchard]
!iteration_mouchard=ptr_new(mouchard)

;===========Initializing tests
test_sed = isa((*!dustem_data).sed) 
test_ext = isa((*!dustem_data).ext)

;===========Bunch of tests that are not important now but that
;might be in future releases. To adjust the layout of the dashboard for instance
if !run_pol then begin
    if tag_exist(*!dustem_show,'qsed') then begin ;testing to account for the fact that the user can activate the !run_pol keyword without knowing
    ;ie: using a dust model with polarization w/o polarization data present...
        test_polsed = isa((*!dustem_show).polsed)
        test_polfrac = isa((*!dustem_show).polfrac)
        test_qsed = isa((*!dustem_show).qsed)
        test_used = isa((*!dustem_show).used)
        test_psi_em = isa((*!dustem_show).psi_em)
    endif
    
    if tag_exist(*!dustem_show,'qext') then begin
        test_polext = isa((*!dustem_show).polext)
        test_psi_ext = isa((*!dustem_show).psi_ext)
        test_fpolext = isa((*!dustem_show).fpolext)
        test_qext = isa((*!dustem_show).qext)
        test_uext = isa((*!dustem_show).uext)
    endif
    
    if tag_exist(*!dustem_show,'qsed') then test_m = test_sed or test_polsed $
                                                  or test_polfrac or test_qsed $
                                                  or test_used or test_psi_em
    if tag_exist(*!dustem_show,'qext') then test_x = test_ext or test_polext $
                                                  or test_fpolext or test_qext $
                                                  or test_uext or test_psi_ext
                                                  
    if ~tag_exist(*!dustem_show,'qsed') then test_m = test_sed
    if ~tag_exist(*!dustem_show,'qext') then test_x = test_ext 
                                        
endif else begin
    test_m = test_sed 
    test_x = test_ext 
endelse

;testing on the fitting of emission vs extinction data

n_plgns = n_tags(*!dustem_plugin)

frmt0='(A36)'
frmt1='(1E10.2)'
frmt2='(10F10.2)'

;Instead of setting the extra tags for plotting in dustemcgwin, we'll place them in this (parent) procedure. 
;tgnms_extra = tag_names(_extra)

dustem_set_plot_range,test_sed, test_ext,_extra= _extra

;change starts form here!!!!


;===========Retrieving some data relevant to the plotting
if isa((*!dustem_fit).current_param_errors) then begin
    errors = (*(*!dustem_fit).current_param_errors) ;* (*(*!dustem_fit).param_init_values) ;multiplied internally in dustem_mpfit. Should maybe be changed.
endif else begin
    errors = (*(*!dustem_fit).param_init_values)*0.;+la_undef();Initialized to 0 instead of la_undef() 
ENDELSE 

if isa((*!dustem_fit).chi2) then begin
    chi2 = (*!dustem_fit).chi2    
endif else begin
    chi2 = la_undef();maybe not the best initialization 
endelse 

if isa((*!dustem_fit).rchi2) then begin
    rchi2 = (*!dustem_fit).rchi2    
endif else begin
    rchi2 = la_undef();maybe not the best initialization 
endelse 


;===========Window positionning parameters
if !run_pol and tag_exist(*!dustem_show,'qsed') then BEGIN
    wdelta_x=60
    main_wxsize=910
    main_wysize=658

    param_wxpos=main_wxsize+wdelta_x
    param_wypos=15
    param_wxsize=350
    param_wysize=200

    plugin_wxpos=main_wxsize+wdelta_x
    plugin_wypos=300
    plugin_wxsize=350
    plugin_wysize=200
ENDIF ELSE BEGIN
    wdelta_x=60
    main_wxsize=640  ;default of cgwindow
    main_wysize=512  ;default of cgwindow

    param_wxpos=main_wxsize+wdelta_x;700
    param_wypos=15
    param_wxsize=350
    param_wysize=200

    plugin_wxpos=main_wxsize+wdelta_x;700
    plugin_wypos=300
    plugin_wxsize=350
    plugin_wysize=200
ENDELSE

;JPB: I moved these 3 lines out of the if test, so that they apply also
;when only extinction is present
TVLCT, 255, 255, 255, 254 ; White color
!P.Color = 253
!P.Background = 254

if test_m then begin
    ;Generating emission window and saving window ID
    IF !d.name NE 'PS' THEN BEGIN  ;What if we're trying to create a ps file with the exact display of the dashboard?  
        window,0, xsize=main_wxsize,ysize=main_wysize,title='DUSTEMWRAP '+!dustem_version.version+' (EMISSION)',xpos=0,ypos=0 
    ENDIF
    ;Plotting model string (legend)
    xxpos = 0.015 
    yypos = 0.97
    ;Plotting Hydrogen column density string (legend)
    cgtext,  xxpos, yypos,'Model : '+!dustem_model,color=0,/normal,charsize = 1.2;,/addcmd ;& cmdind_m+=1 This is the first command in the window
    yypos = 0.95
    cgtext, xxpos, yypos,textoidl('N_{H}')+textoidl(' (H/cm^2) : ')+strmid(string(*!dustem_HCD,format='(1E10.2)'),2),color=0,/normal,charsize = 1.2;,/addcmd & cmdind_m+=1
    
    ;Plotting of the number of iterations completed by the fitter
    
    ;Plotting of the number of runs
    ;Getting the width of the unrefreshed string
    widthtot=0.
    ;cgtext, xxpos, yypos,'Runs : ',color=0,/normal,charsize=-1,width=thiswidth,/addcmd & cmdind_m+=1
    cgtext, xxpos, yypos,'Iteration : ',color=0,/normal,charsize=-1,width=thiswidth 
    widthtext = thiswidth
    widthtot+= thiswidth ;fixed width
    !dustemcgwin_ncmds.runs.txtwdth = thiswidth
    
    ;Getting the width of the refreshed string
    cgtext, xxpos, yypos,strtrim(!dustem_iter.act,2),color=0,/normal,charsize=-1,width=thiswidth 
    widthtot+= thiswidth;varying width        
    
    ;These two lines will also have to      be modified when plotting the refreshed values
    xxpos = 0.015 ;1.0 - widthtot - 0.03
    yypos = 0.015
    
    ;Displaying fixed part
    ;cgtext, xxpos, yypos,'Runs : ',color=0,/normal,charsize = 1.35,/addcmd & cmdind_m+=1
    cgtext, xxpos, yypos,'Iteration : ',color=0,/normal,charsize = 1.35 
    ;Displaying refreshed part 
    cgtext, xxpos + widthtext*1.35 + 0.015 , yypos,strtrim(!dustem_iter.act,2),color=0,/normal,charsize = 1.0 
    
    ;plotting of (mostly) fixed data for rchi2
    ;Since the format of the strings is specified, the length/width of the string in thex direction is fixed. 
    
    
    ;Getting the width of the unrefreshed string
    widthtot=0.
    cgtext, xxpos, yypos,textoidl('\chi^{2} : '),color=0,/normal,charsize=-1,width=thiswidth 
    widthtext = thiswidth
    widthtot+= thiswidth ;fixed width
    
    ;Getting the width of the refresh.ed string
    cgtext, xxpos, yypos,strtrim(string(chi2,format=frmt2),2),color=0,/normal,charsize=-1,width=thiswidth 
    widthtot+= thiswidth;varying width        
   
    
    xxpos = 1.0 - widthtot - 0.03
    
    yypos = 0.97
    
    ;Displaying fixed part
    cgtext, xxpos, yypos,textoidl('\chi^{2} : '),color=0,/normal,charsize = 1.0 
    
    
    cgtext, xxpos + widthtext , yypos,strtrim(string(chi2,format=frmt2),2),color=0,/normal,charsize = 1.0 
   
    
    ;plotting of (mostly) fixed data for rchi2
    
    ;Getting the width of the unrefreshed string
    widthtot=0.
    cgtext, xxpos, yypos,textoidl('r_{\chi^{2}} : '),color=0,/normal,charsize=-1,width=thiswidth 
    widthtext = thiswidth
    widthtot+= thiswidth ;fixed width
    ;!dustemcgwin_ncmds.rchi2.txtwdth1 = thiswidth
    ;Getting the width of the refreshed string
    cgtext, xxpos, yypos,strtrim(string(rchi2,format=frmt2),2),color=0,/normal,charsize=-1,width=thiswidth 
    widthtot+= thiswidth;varying width        
    
    
    ;These two lines will also have to      be modified when plotting the refreshed values
    xxpos = 1.0 - widthtot - 0.03
    yypos = 0.95
    
    ;Displaying fixed part
    cgtext, xxpos, yypos,textoidl('r_{\chi^{2}} : '),color=0,/normal,charsize = 1.35 
    
    
    cgtext, xxpos + widthtext , yypos,strtrim(string(rchi2,format=frmt2),2),color=0,/normal,charsize = 1.0 
   
    ;Plotting of the title of the dashboard (plot(s))
    
    
    ;NB issue here because the user can't modify the title after the dustem_mpfit_data call at the main procedure level (user proc)
    ;Getting the width of the title 
    
    tit=!dustem_plot_range.title_m
    
    xxpos = 0.5
    yypos =0.96
    
    ;the runs inbetween
    if !dustem_end EQ 0 then cgtext, xxpos , yypos,tit+' (RUNNING)',color=0,/normal,charsize = 1.6,alignment=0.5
    
    ;subsequent iterations to the end of the fit
    if !dustem_end EQ -1 then cgtext, xxpos , yypos,tit,color=0,/normal,charsize = 1.6,alignment=0.5
    
    ;last iteration of the fit
    if !dustem_end EQ 1 then cgtext, xxpos , yypos,tit+' (FINAL RUN)',color=0,/normal,charsize = 1.6,alignment=0.5
     
    
   if !run_pol and tag_exist(*!dustem_show,'qsed') then begin
        ;,wback='grey'
        
        ;position arrays for plot and normalized graph
        
        ;THIS IS HARD-CODED IN A VERY SILLY WAY
        
        p_sed = [0.05,0.67,0.475,0.90]
        p_psed = [0.525,0.67,0.95,0.90]
        p_spsed = [0.05,0.375,0.475,0.575]
        p_psised = [0.525,0.375,0.95,0.575]
        p_qsed = [0.05,0.12,0.475,0.35]  
        p_used = [0.525,0.12,0.95,0.35]
        
        np_sed = [0.05,0.60,0.475,0.67]
        np_psed = [0.525,0.60,0.95,0.67]
        np_qsed = [0.05,0.05,0.475,0.12] 
        np_used = [0.525,0.05,0.95,0.12]
        
        p_sed[1]+= 0.0125 & p_sed[3]+= 0.0125 
        p_psed[1]+= 0.0125 & p_psed[3]+= 0.0125
        p_spsed[1]+= 0.0125 & p_spsed[3]+= 0.0125
        p_psised[1]+= 0.0125 & p_psised[3]+= 0.0125
        p_qsed[1]+= 0.0125 & p_qsed[3]+= 0.0125
        p_used[1]+= 0.0125 & p_used[3]+= 0.0125
        
        np_sed[1]+= 0.0125 & np_sed[3]+= 0.0125 
        np_psed[1]+= 0.0125 & np_psed[3]+= 0.0125
        np_qsed[1]+= 0.0125 & np_qsed[3]+= 0.0125
        np_used[1]+= 0.0125 & np_used[3]+= 0.0125
        
        
          
    endif else begin
        p_sed  = [0.07,0.30,0.97,0.85]
        np_sed = [0.07,0.10,0.97,0.30]
    
    endelse

    plotsym,0,/fill
    
    ;block for the collective plotting of the datasets - copied as is
    if !run_pol and tag_exist(*!dustem_show,'qsed') then begin
        ;This part can be adjusted for future releases if the user wants to plot 
        ;specific datasets 
        
        ;lists because elements have different dimensions and/or we want entire arrays as elements
        dustem_interp = list(dustem_sed,dustem_polfrac,dustem_qsed,dustem_used,dustem_psi_em,dustem_polsed) ;DustEmWrap SED predictions
        dustem_spec = list(SED_spec,SP_spec,Q_spec,U_spec,PSI_spec,P_spec) ;DustEM spectra predictions
        extra_spec = list(0,SED_spec,0,0,0,0) ;extra spectra that the dataset needs in order to be plotted. 
        ;This (extra_spec use) actually should not be generalized since the only case we need an extra spectrum is when plotting the polarization fraction.
        position = list(list(p_sed,np_sed),list(p_spsed),list(p_qsed,np_qsed),list(p_used,np_used),list(p_psised),list(p_psed,np_psed))
        
        ;these don't have to be lists
        datasets = ['SED','POLFRAC','QSED','USED','PSI_EM','POLSED']
        ;but these can be combined using a list but we're leaving it as is for the moment...
        positiveonly = [0,0,1,1,0,0] ;used for q and u
        negativeonly = [0,0,1,1,0,0] ;used for q and u
    ENDIF ELSE BEGIN
    
        dustem_interp = list(dustem_sed) ;DustEmWrap SED predictions . 
        dustem_spec = list(SED_spec) ;DustEM spectra predictions
        position = list(p_sed,np_sed);list(list(p_sed,np_sed)) ; I think I need this ...
        ;position_n =list(np_sed) 
        datasets = ['SED']
        ;replace by one keyword?
        positiveonly=[0] ;kept it for completeness. Also this loop reminds me that JP also wants the user to be able to display one dataset. 
        negativeonly=[0]
    ENDELSE
    ; PLOTTING OF DATA THAT IS UNCHAED  
    dustem_plot_dataset,st,dataset=datasets,position=position $
                       ,positive_only=positiveonly,negative_only=negativeonly, _extra=_extra
    ; REFRESHING DATA - to plot the refreshed data for the first time.
    dustem_plot_dataset,st,dustem_interp,dustem_spec,extra_spec=extra_spec $
                       ,dataset=datasets,positive_only=positiveonly,negative_only=negativeonly $
                       ,/refresh,position=position,_extra=_extra
ENDIF

;stop
if test_x then begin
    ;Generating extinction window and saving window ID
    
    ;the 'PS' condition pertaining to fawlty debugging is not present here...
    window,1,xsize=main_wxsize,ysize=main_wysize,title='DUSTEMWRAP '+!dustem_version.version+' (EXTINCTION)' 
                      
    
    ;Plotting model string (legend)
    xxpos = 0.015
    yypos = 0.97
    ;Plotting Hydrogen column density string (legend)
    cgtext, xxpos, yypos,'Model : '+!dustem_model,color=0,/normal,charsize = 1.2;,/addcmd ;& cmdind_m+=1 This is the first command in the window
    yypos = 0.95
    cgtext, xxpos, yypos,textoidl('N_{H}')+textoidl(' (H/cm^2) : ')+strmid(string(*!dustem_HCD,format='(1E10.2)'),2),color=0,/normal,charsize = 1.2
    
    ;Plotting of the number of iterations completed by the fitter
    
    ;Plotting of the number of runs
    ;Getting the width of the unrefreshed string
    widthtot=0.
    ;cgtext, xxpos, yypos,'Runs : ',color=0,/normal,charsize=-1,width=thiswidth,/addcmd & cmdind_x+=1
    cgtext, xxpos, yypos,'Iteration : ',color=0,/normal,charsize=-1,width=thiswidth
    widthtext = thiswidth
    widthtot+= thiswidth ;fixed width
    
    ;Getting the width of the refreshed string
    cgtext, xxpos, yypos,strtrim(!dustem_iter.act,2),color=0,/normal,charsize=-1,width=thiswidth
    widthtot+= thiswidth;varying width        
    
    ;These two lines will also have to      be modified when plotting the refreshed values
    xxpos = 0.015 ;1.0 - widthtot - 0.03
    yypos = 0.015
    
    ;Displaying fixed part
    ;cgtext, xxpos, yypos,'Runs : ',color=0,/normal,charsize = 1.35,/addcmd & cmdind_x+=1
    cgtext, xxpos, yypos,'Iteration : ',color=0,/normal,charsize = 1.35
    
    
    cgtext, xxpos + widthtext + 0.015 , yypos,strtrim(!dustem_iter.act,2),color=0,/normal,charsize = 1.0
    
    ;plotting of (mostly) fixed data for rchi2
    ;Since the format of the strings is specified, the length/width of the string in thex direction is fixed. 
    
    
    ;Getting the width of the unrefreshed string
    widthtot=0.
    cgtext, xxpos, yypos,textoidl('\chi^{2} : '),color=0,/normal,charsize=-1,width=thiswidth
    widthtext = thiswidth
    widthtot+= thiswidth ;fixed width
    
    ;Getting the width of the refresh.ed string
    cgtext, xxpos, yypos,strtrim(string(chi2,format=frmt2),2),color=0,/normal,charsize=-1,width=thiswidth
    widthtot+= thiswidth;varying width        
    
    
    xxpos = 1.0 - widthtot - 0.03
    
    yypos = 0.97
    
    ;Displaying fixed part
    cgtext, xxpos, yypos,textoidl('\chi^{2} : '),color=0,/normal,charsize = 1.0
    
    cgtext, xxpos + widthtext , yypos,strtrim(string(chi2,format=frmt2),2),color=0,/normal,charsize = 1.0
    
    ;plotting of (mostly) fixed data for rchi2
    
    ;Getting the width of the unrefreshed string
    widthtot=0.
    cgtext, xxpos, yypos,textoidl('r_{\chi^{2}} : '),color=0,/normal,charsize=-1,width=thiswidth
    widthtext = thiswidth
    widthtot+= thiswidth ;fixed width
    ;!dustemcgwin_ncmds.rchi2.txtwdth1 = thiswidth
    ;Getting the width of the refreshed string
    cgtext, xxpos, yypos,strtrim(string(rchi2,format=frmt2),2),color=0,/normal,charsize=-1,width=thiswidth
    widthtot+= thiswidth;varying width        
    
    ;These two lines will also have to      be modified when plotting the refreshed values
    xxpos = 1.0 - widthtot - 0.03
    yypos = 0.95
    
    ;Displaying fixed part
    cgtext, xxpos, yypos,textoidl('r_{\chi^{2}} : '),color=0,/normal,charsize = 1.35
   
    cgtext, xxpos + widthtext , yypos,strtrim(string(rchi2,format=frmt2),2),color=0,/normal,charsize = 1.0
  
   ;plotting of title 
    tit=!dustem_plot_range.title_x
    
    xxpos = 0.5
    yypos =0.96
    
    ;the runs inbetween
    if !dustem_end EQ 0 then cgtext, xxpos , yypos,tit+' (RUNNING)',color=0,/normal,charsize = 1.6,alignment=0.5
    
    ;subsequent iterations to the end of the fit
    if !dustem_end EQ -1 then cgtext, xxpos , yypos,tit,color=0,/normal,charsize = 1.6,alignment=0.5
    
    ;last iteration of the fit
    if !dustem_end EQ 1 then cgtext, xxpos , yypos,tit+' (FINAL RUN)',color=0,/normal,charsize = 1.6,alignment=0.5
    
    
    if !run_pol  and tag_exist(*!dustem_show,'qext') then begin
       
        ;position arrays for plot and normalized graph
        
        ;THIS IS HARD-CODED IN A VERY SILLY WAY
        
        p_ext = [0.05,0.67,0.475,0.90]
        p_pext = [0.525,0.67,0.95,0.90]
        p_spext = [0.05,0.375,0.475,0.575] ; Should we plot this? tau_polext/tau_ext_tot. YES FOR NOW...
        p_psiext = [0.525,0.375,0.95,0.575]
        p_qext = [0.05,0.12,0.475,0.35]  
        p_uext = [0.525,0.12,0.95,0.35]
        
        np_ext = [0.05,0.60,0.475,0.67]
        np_pext = [0.525,0.60,0.95,0.67]
        np_qext = [0.05,0.05,0.475,0.12] 
        np_uext = [0.525,0.05,0.95,0.12]
        
        p_ext[1]+= 0.0125 & p_ext[3]+= 0.0125 
        p_pext[1]+= 0.0125 & p_pext[3]+= 0.0125
        p_spext[1]+= 0.0125 & p_spext[3]+= 0.0125
        p_psiext[1]+= 0.0125 & p_psiext[3]+= 0.0125
        p_qext[1]+= 0.0125 & p_qext[3]+= 0.0125
        p_uext[1]+= 0.0125 & p_uext[3]+= 0.0125
        
        np_ext[1]+= 0.0125 & np_ext[3]+= 0.0125 
        np_pext[1]+= 0.0125 & np_pext[3]+= 0.0125
        np_qext[1]+= 0.0125 & np_qext[3]+= 0.0125
        np_uext[1]+= 0.0125 & np_uext[3]+= 0.0125
        
        
          
    endif else begin
        p_ext  = [0.07,0.30,0.97,0.85]
        np_ext = [0.07,0.10,0.97,0.30]
    
    endelse

    
    plotsym,0,/fill ; what's the reason behind this?

    if !run_pol and tag_exist(*!dustem_show,'qext') then begin
        ;This part can be adjusted for future releases if the user wants to plot 
        ;specific datasets 
        
        ;lists because elements have different dimensions and/or we want entire arrays as elements
        dustem_interp = list(dustem_ext,dustem_fpolext,dustem_qext,dustem_uext,dustem_psi_ext,dustem_polext) ;DustEmWrap SED predictions
        dustem_spec = list(EXT_spec,SPEXT_spec,QEXT_spec,UEXT_spec,PSIEXT_spec,POLEXT_spec) ;DustEM spectra predictions
        extra_spec = list(0,EXT_spec,0,0,0,0) ;extra spectra that the dataset needs in order to be plotted. 
        ;This (extra_spec use) actually should not be generalized since the only case we need an extra spectrum is when plotting the polarization fraction.
        position = list(list(p_ext,np_ext),list(p_spext),list(p_qext,np_qext),list(p_uext,np_uext),list(p_psiext),list(p_pext,np_pext))
        
        ;these don't have to be lists
        datasets = ['EXT','FPOLEXT','QEXT','UEXT','PSI_EXT','POLEXT']
        ;but these can be combined using a list but we're leaving it as is for the moment...
        positiveonly = [0,0,1,1,0,0] ;used for q and u
        negativeonly = [0,0,1,1,0,0] ;used for q and u
    ENDIF ELSE BEGIN
    
        dustem_interp = list(dustem_ext) ;DustEmWrap EXT predictions . 
        dustem_spec = list(EXT_spec) ;DustEM spectra predictions
        position = list(p_ext,np_ext);list(list(p_sed,np_sed)) ; I think I need this ...
        ;position_n =list(np_sed) 
        datasets = ['EXT']
        ;replace by one keyword?
        positiveonly=[0] ;kept it for completeness. Also this loop reminds me that JP also wants the user to be able to display one dataset. 
        negativeonly=[0]
    ENDELSE
      
    ; PLOTTING OF DATA THAT IS UNCHAED 
    dustem_plot_dataset, st, dataset=datasets, position=position,positive_only=positiveonly,negative_only=negativeonly, _extra=_extra
    
    ; REFRESHING DATA - to plot the refreshed data for the first time.
    dustem_plot_dataset, st, dustem_interp,dustem_spec,extra_spec=extra_spec,dataset=datasets,positive_only=positiveonly,negative_only=negativeonly, /refresh ,position=position, _extra=_extra
          
ENDIF 


if !dustem_end then !dustem_end = -1 ;so that the last iteration is only plotted once.

;PLOTTING OF THE PARAMETERS

IF !d.name NE 'PS' THEN BEGIN ;What happens when we want to create a ps file of the exact content of the parameters' window?
    window,2,xpos=param_wxpos,ypos=param_wypos,xsize=param_wxsize,ysize=param_wysize,title='DUSTEMWRAP '+!dustem_version.version+' (PARAMETERS)' ; keeping the same y dimension of the emission/extinction plot? 
ENDIF

dustem_plot_dataset, st, p_dim, errors,dataset=['PARAMETERS'],_extra=_extra 
dustem_plot_dataset, st,  p_dim,errors,dataset=['PARAMETERS'],/refresh, _extra=_extra 

;PLOTTING OF THE PLUGINS
IF (tag_names(*!dustem_plugin))(0) NE 'NONE' THEN BEGIN  
    IF !d.name NE 'PS' THEN BEGIN
        window,3,xpos=plugin_wxpos,ypos=plugin_wypos,xsize=plugin_wxsize,ysize=plugin_wysize,title='DUSTEMWRAP '+!dustem_version.version+' (PLUGINS)' ; keeping the same y dimension of the emission/extinction plot? 
    ENDIF
    dustem_plot_dataset, st, p_dim, errors,dataset=['PLUGINS'],_extra=_extra ;& cmdind_prms+=1
    dustem_plot_dataset, st, p_dim, errors,dataset=['PLUGINS'], /refresh , winid=winid_plgns, _extra=_extra 
     
ENDIF

the_end:

END