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20130416 - Latest Filament data
Available data for 20130416: »08 UTC   »09 UTC   »10 UTC   »11 UTC   »12 UTC  
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  Color  xc   yc  (LatLon LCarr)  Area Length Branches (  x0/y0     x1/y1  )  Tilt Location
      1 1807  890 (N11W55 L= 72)   483    113        0 (1787/ 855-1836/ 947) -23.2 W51-W59 N09-N13
      2  503  703 (S38E26 L=351)   559    126        1 ( 441/ 665- 556/ 726)   0.0 E31-E20 S39-S36
      3 1378  558 (S21W36 L= 53)   255     80        0 (1361/ 517-1393/ 594) -59.0 W34-W37 S23-S18
  
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» All Filament Data of 20130416 ...
IDL code for reading binary data:
    OPENR, u, binfile, /COMP, /GET_LUN
    head = FLTARR(6) ;[xsize,ysize,radius,hh,mm,ss]
    READU, u, head
    data = INTARR(FIX(head[0]),FIX(head[1]))
    READU, u, data
    FREE_LUN, u
    
  • each filament has the value of Fil_ID
  • all values are in pixel
to get the area of a filament:
  c = WHERE(data EQ Fil_ID, area)
  f = '(2(A,I6))'
  PRINT, FORM=f, "Area of Fil_ID", Fil_ID," =", area 
be careful: y-origin is upper left! you can transpose the data:
  data = ROTATE(data,7)
  Solar_y = 2048-Solar_y