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20170718 - Filament data for 08 UTC
Available data for 20170718: »06 UTC   »07 UTC   »08 UTC   »09 UTC   »10 UTC   »11 UTC   »12 UTC   »13 UTC   »14 UTC  
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  Color  xc   yc  (LatLon LCarr)  Area Length Branches (  x0/y0     x1/y1  )  Tilt Location
      1 1613  805 (S13W38 L= 64)   457     63        1 (1591/ 768-1634/ 839)  90.0 W36-W40 S15-S11
      2 1034  610 (S22E02 L= 23)   438     75        0 ( 996/ 583-1078/ 641)  31.0 E04-W01 S23-S19
      3  973  358 (S40E09 L= 16)   336     48        1 ( 949/ 340-1007/ 379) -36.9 E10-E06 S42-S38
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» All Filament Data of 20170718 ... 		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

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