FUNCTION read_muse_templates_info,age_values=age_values,metalicity_values=metalicity_values,young=young,object=object,Nbins=Nbins,Nage=Nage,NZ=NZ,bins=bins

;+
; NAME:
;    read_muse_templates_info
; PURPOSE:
;    Reads the Muse template info structure
; CATEGORY:
;    DustEM
; CALLING SEQUENCE:
;    st_templates=read_muse_templates_info([age_values=][,metalicity_values=][,young=][,object=][,Nbins=][,Nage=][,NZ=][,bins=])
; INPUTS:
;    None
; OPTIONAL INPUT PARAMETERS:
;    object  = object name (default='NGC0628')
; OUTPUTS:
;    weights = weights array (dim [Nage,NZ])
; OPTIONAL OUTPUT PARAMETERS:
;    age_values = 
;    metalicity_values =
;    Nbins =
;    Nage=
;    NZ=
;    bins=
; ACCEPTED KEY-WORDS:
;    young  = 
;    help                  = if set, print this help
; COMMON BLOCKS:
;    None
; SIDE EFFECTS:
;    None
; RESTRICTIONS:
;    The DustEMWrap IDL code must be installed
; PROCEDURE:
;    
; EXAMPLES
;    
; MODIFICATION HISTORY:
;    Written by JPB Jan 2024
;    Evolution details on the DustEMWrap gitlab.
;    See http://dustemwrap.irap.omp.eu/ for FAQ and help.  
;-

IF keyword_set(help) THEN BEGIN
  doc_library,'read_muse_templates_info'
  st_templates=0.
  goto,the_end
ENDIF

dustem_define_la_common

use_object='NGC0628'
IF keyword_set(object) THEN use_object=object

;stop

IF keyword_set(young) THEN BEGIN
    dir='/Volumes/PILOT_FLIGHT1/PHANGS_MUSE/DR2p2/coopt/MUSEDAP/young'
	file=dir+'/'+use_object+'-0.92asec_templates_SFH_info.fits'
ENDIF ELSE BEGIN
	dir='/Volumes/PILOT_FLIGHT1/PHANGS_MUSE/DR2p2/coopt/MUSEDAP/fiducial'
	file=dir+'/'+use_object+'-0.92asec_templates_SFH_info.fits'
ENDELSE

st_templates=mrdfits(file,1,h)
help,st_templates,/str
	;** Structure <cd20ff78>, 5 tags, length=40, data length=40, refs=1:
	;   ID              LONG64                         0
	;   AGE             DOUBLE           1.9953000
	;   Z               DOUBLE         -0.40000000
	;   M_              DOUBLE          0.63730000
	;   M__LV           DOUBLE          0.75800000
	;print,minmax(st_templates.id)
	;                     0                    67
	;print,minmax(st_templates.age)
	;0.0063000000       15.848900
	;print,minmax(st_templates.Z)
	;     -0.72000000      0.41000000

order=sort(st_templates.age)
ages=st_templates[order].age
un=uniq(ages)
age_values=ages[un]
Nage=n_elements(age_values)

order=sort(st_templates.Z)
metalicity=st_templates[order].Z
un=uniq(metalicity)
metalicity_values=metalicity[un]
NZ=n_elements(metalicity_values)

Nbins=Nage*NZ

print,age_values
print,metalicity_values
	;stop
bins=lonarr(Nage,NZ)
bins[*]=la_undef(2)
FOR i=0L,Nage-1 DO BEGIN
	FOR j=0L,NZ-1 DO BEGIN
    	ind=where(st_templates.age EQ age_values[i] AND st_templates.Z EQ metalicity_values[j],count)
    	IF count NE 0 THEN BEGIN
    		bins[i,j]=st_templates[ind].id
    	ENDIF ELSE BEGIN
    		message,'Did not find age='+strtrim(age_values[i],2)+' Z='+strtrim(metalicity_values[j],2),/info
    		;stop
    	ENDELSE
    ENDFOR
ENDFOR

;   round metalicity values to match ssps file names
try=round(metalicity_values*100)/100.
metalicity_values=try

print,age_values
print,metalicity_values

;stop

;	age_values=[0.03, 0.05, 0.08, 0.15, 0.25, 0.40, 0.60, 1.0, 1.75, 3.0, 5.0, 8.5, 13.5]
;	metalicity_values=[-1.49, -0.96, -0.35, +0.06, +0.26, +0.4]

the_end:

RETURN,st_templates




; ENDIF ELSE BEGIN
; 	dir='/Volumes/PILOT_FLIGHT1/PHANGS_MUSE/DR2p2/coopt/MUSEDAP/fiducial'
; 	;NGC0628-0.92asec_templates_SFH_info.fits
; 	file=dir+'/'+use_object+'-0.92asec_templates_SFH_info.fits'
; 	st_templates=mrdfits(file,1,h)
; 	help,st_templates,/str
; ;** Structure <a93050c8>, 5 tags, length=40, data length=40, refs=1:
; ;   ID              LONG64                         0
; ;   AGE             DOUBLE          0.15000000
; ;   Z               DOUBLE          0.25590000
; ;   M_              DOUBLE          0.75750000
; ;   M__LV           DOUBLE          0.16300000


; 	print,age_values
; ;	     0.030000000     0.050000000     0.080000000      0.15000000      0.25000000      0.40000000      0.60000000       1.0000000       1.7500000       3.0000000       5.0000000       8.5000000       13.500000
; 	print,metalicity_values
; ;      -1.4863000     -0.96140000     -0.35120000     0.060000000      0.25590000      0.39710000

; 	order=sort(st_templates.age)
; 	ages=st_templates[order].age
; 	un=uniq(ages)
; 	age_values=ages[un]
;     Nage=n_elements(age_values)

; 	order=sort(st_templates.Z)
; 	metalicity=st_templates[order].Z
; 	un=uniq(metalicity)
; 	metalicity_values=metalicity[un]
;     NZ=n_elements(metalicity_values)

;     Nbins=Nage*NZ

; stop
; 	age_values=[0.03, 0.05, 0.08, 0.15, 0.25, 0.40, 0.60, 1.0, 1.75, 3.0, 5.0, 8.5, 13.5]
; 	metalicity_values=[-1.49, -0.96, -0.35, +0.06, +0.26, +0.4]
; 	Nage=n_elements(age_values)
; 	NZ=n_elements(metalicity_values)
;     Nbins=Nage*NZ
;     one_st={ID:0LL,AGE:la_undef(5),Z:la_undef(5),M_:la_undef(5),M__LV:la_undef(5)}
;     st_templates=replicate(one_st,Nbins)
;     bins=lonarr(Nage,NZ)
;     bins[*]=la_undef(2)    
;     ;stop
;     FOR i=0L,Nbins-1 DO BEGIN
;     	bins[i]=i
;     	st_templates[i].ID=i
;     	ij=index2ij([i],[NAGE,NZ])
;     	st_templates[i].AGE=age_values[ij[0,0]]
;         st_templates[i].Z=metalicity_values[ij[0,1]]
;     ENDFOR
; ENDELSE

; RETURN,st_templates
END