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allfft.pro
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allfft.pro
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!p.position=0
!p.multi=0
pload, 0, dir='q01', /nodata
nfile=2
tptr=ptrarr(12)
qarr=[0.1, 0.3,0.5,0.7,0.9,1.3,1.5,1.9,1.9]
for i=0,7 do begin
dirnum=qarr[i]
dirtag='q'+string(dirnum*10, format='(I02)')+'/'
print, dirtag
PLOAD, 0, DIR = dirtag, var='vx2'
vy0=vx2(*,*,0)
PLOAD, nfile, DIR = dirtag;, var='vx3'
vx=vx1(*,*,0)
vy=vx2(*,*,0)-vy0
vz=vx3(*,*,0)
narr=reform(sqrt(vx^2+vy^2+vz^2))
;narr=remapfunc (bx2(*,*,0) , t[nfile], nx1,nx2,qarr[i], x1,x2,dx2)
;narr=congrid(narr, nx2,nx2)
tptr[i]=ptr_new(reform(narr))
endfor
items=[ $
'q=0.1' $
, 'q=0.5' $
, 'q=0.7' $
, 'q=0.9' $
, 'q=1.3' $
, 'q=1.5' $
, 'q=1.7' $
, 'q=1.9' $
]
cl=[ $
'red' $
, 'orange' $
, 'yellow' $
, 'green' $
, 'blue' $
, 'violet' $
, 'black' $
, 'black' $
]
ls=[0,1,2,3,4,5,6,7]
;tmax=max([t1,t2,t3 , $
; t4, t13, t15, t17,t19 ])/2/!DPI
;ymax=10*max( [ abs(bxy1) , abs(bxy2) , abs(bxy3) ] )
thick=2.
;cgplot, *tptr[0]/2./!DPI, abs(*bptr[0]), /ylog, yrange=[1e-6*ymax,ymax], color=cl[0], xrange=[0,tmax], lines=ls[0], $
; xtitle='t, orbits', $
; ytitle='BxBy '
pos=cglayout([4,2] , OXMargin=[13,1], OYMargin=[14,1], XGap=0, YGap=0)
;pos=cglayout([4,2] , OXMargin=[9,1], OYMargin=[13,2], XGap=1, YGap=4)
xs=1800
ys=xs/2
cgdisplay,wid=4, xs=xs, ys=ys
cgerase
cgloadct,33
fname="qfft"
for usingps=0,1 do begin
if (usingps eq 1) then begin
cgps_open, fname+'.eps', /encapsulated, /color, tt_font='Times', /quiet, font=1
omega_str='!9W!X'
charsize=cgdefcharsize()*.7
endif else begin
set_plot, 'x'
omega_str='!7X!X'
endelse
kx=(findgen(nx1)/nx1-0.5d)*nx2
ky=findgen(nx2)-nx2/2
qsm=10
for i=0,7 do begin
;cgplot, *tptr[i]/2./!DPI, abs(*bptr[i]), /overplot, color=cl[i], lines=ls[i]
px=pos[*,i]
dat=*tptr[i]
dat=alog10( abs (fft (*tptr[i] , /center)+1e-6))
dat=congrid(dat, nx2,nx2)
dgft= (abs (fft (*tptr[i] , /center)+1e-6))
dgft=congrid(dgft, nx2,nx2)
dgft=smooth(dgft ,qsm, /edge_wrap)
kx=ky
r=cgscalevector(smooth(dat,qsm, /edge_wrap),1,254)
imin=min(dat)
imax=max(dat)
;print, 'q', qarr[i], imin, imax
cgimage, r , pos=px, /noerase , /keep_aspect_ratio
qe=0.01
xtickf="(a1)"
xtit=''
if ( i gt 3 ) then begin
xtickf="(I4)"
xtit="k!DX!N"
qe=0.07
endif
;cgcolorbar, range=[imin,imax], pos=[px[0] , px[1]-0.01-qe, px[2],px[1]-qe], charsize=charsize
ytickf="(a1)"
ytit=''
if ( (i mod 4) eq 0 ) then begin
ytickf="(I4)"
ytit="k!DY!N"
endif
cgcontour, r, kx, ky, $
/noerase, $
/nodata, $
xtickinterval=100,$
ytickinterval=100,$
xtickf=xtickf,$
ytickf=ytickf,$
pos=px, $
charsize=charsize, $
xtitle=xtit, $
ytitle=ytit
;ytitle='q='+string(qarr[i],format='(F4.1)')+' , k!DY!N'
gft=gauss2dfit(dgft, aa,/tilt)
;print, 'a,b',aa[2], aa[3], aa[2]/aa[3]
print, 'q=',qarr[i],' , a/b', aa[2]/aa[3]
cgcontour, gft, kx,ky, pos=px, color='Black', label=0, /overplot ;, lev=[1e-5,1e-4, 1e-3]
cgtext, -100,72 , 'q='+string(qarr[i],format='(F4.1)') ,color='white'
endfor
if ( usingps ) then begin
;device,/close
cgps_close, /jpeg, Width=2048, /nomessage, delete_ps=0
;set_plot,'x'
endif else begin
;set_plot,'x'
fname2=fname
;im=cgsnapshot(filename=fname2,/nodialog,/jpeg)
endelse
endfor
;al_legend, items, lines=ls, colors=cl, /right, charsize=cgdefcharsize()*1.5, linsize=.25
READ_JPEG, 'qfft.jpg', a, TRUE=1 & cgimage, a
end