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20170215 - Filament data for 09 UTC
Available data for 20170215: »07 UTC   »08 UTC   »09 UTC   »10 UTC   »11 UTC   »12 UTC   »13 UTC   »14 UTC   »15 UTC  
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  Color  xc   yc  (LatLon LCarr)  Area Length Branches (  x0/y0     x1/y1  )  Tilt Location
      1  895 1694 (N32E23 L=222)   270     52        1 ( 876/1671- 913/1715) -14.0 E25-E21 N30-N34
      2  803 1577 (N23E25 L=221)   645    116        1 ( 779/1518- 840/1628) -82.9 E27-E22 N18-N26
      3  346 1499 (N11E57 L=189)   692    131        3 ( 302/1463- 387/1544)  50.2 E60-E53 N08-N14
      4  826 1356 (N09E18 L=228)   308     47        0 ( 799/1322- 853/1384) -45.0 E19-E15 N07-N10
      5 1233 1200 (N07W09 L=255)   192     95        0 (1200/1151-1253/1237) -53.1 W06-W10 N04-N08
      6 1418  851 (S09W27 L=273)   415     86        1 (1372/ 819-1452/ 890)  45.0 W24-W28 S11-S06
  
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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