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20130421 - Filament data for 11 UTC
Available data for 20130421: »06 UTC   »07 UTC   »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  650 1661 (N22E45 L=266)   371     90        0 ( 632/1632- 674/1698) -33.7 E47-E41 N20-N24
      2  184 1136 (S19E64 L=247)   665    116        2 ( 170/1084- 200/1192) -63.4 E66-E61 S21-S15
      3  461 1074 (S16E36 L=275)   414     90        0 ( 417/1051- 509/1097)  26.6 E39-E32 S18-S14
      4 1187  360 (S38W36 L=347)   686     87        2 (1142/ 327-1233/ 397)   0.0 W32-W41 S39-S36
  
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» All Filament Data of 20130421 ...
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