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20170417 - Latest Filament data
Available data for 20170417: »06 UTC   »07 UTC   »09 UTC   »10 UTC  
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  Color  xc   yc  (LatLon LCarr)  Area Length Branches (  x0/y0     x1/y1  )  Tilt Location
      1  300  853 (S34E45 L=116)   325     78        1 ( 268/ 841- 331/ 873)   9.5 E48-E42 S34-S32
      2  749  385 (S53W03 L=164)   999    195        0 ( 665/ 316- 817/ 474) -20.2 E07-W12 S56-S48
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» All Filament Data of 20170417 ... 		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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