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Last change
on this file since 67 was
67,
checked in by pinsard, 18 years ago
|
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miscellaneous modifications according to cerbere.lodyc.jussieu.fr: /usr/home/smasson/SAXO_RD/
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-
Property svn:executable set to
*
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|
File size:
932 bytes
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| Line | |
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| 1 | FUNCTION scan_grib_nbits, num, recstart |
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| 2 | |
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| 3 | ; |
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| 4 | nrec = n_elements(recstart) |
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| 5 | nbits = bytarr(nrec) |
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| 6 | ; |
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| 7 | FOR i = 0L, nrec-1 DO BEGIN |
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| 8 | offset = recstart[i]+8 |
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| 9 | a = assoc(num, bytarr(1, /nozero), offset-1) |
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| 10 | sizepds = bit2int([binary(a[1]), binary(a[2]), binary(a[3])]) |
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| 11 | flag = binary(a[8]) |
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| 12 | gdsnotomitted = flag[0] |
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| 13 | bmsnotomitted = flag[1] |
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| 14 | ddd = bit2int([binary(a[27]), binary(a[28])], /checkneg) |
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| 15 | ; |
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| 16 | offset = offset+sizepds |
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| 17 | ; |
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| 18 | IF gdsnotomitted THEN BEGIN |
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| 19 | a = assoc(num, bytarr(1, /nozero), offset-1) |
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| 20 | sizedds = bit2int([binary(a[1]), binary(a[2]), binary(a[3])]) |
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| 21 | offset = offset+sizedds |
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| 22 | ENDIF |
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| 23 | ; |
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| 24 | IF bmsnotomitted THEN BEGIN |
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| 25 | a = assoc(num, bytarr(1, /nozero), offset-1) |
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| 26 | sizebms = bit2int([binary(a[1]), binary(a[2]), binary(a[3])]) |
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| 27 | offset = offset+sizebms |
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| 28 | ENDIF |
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| 29 | |
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| 30 | a = assoc(num, bytarr(1, /nozero), offset-1) |
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| 31 | nbits[i] = a[11] |
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| 32 | |
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| 33 | ENDFOR |
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| 34 | ; |
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| 35 | RETURN, nbits |
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| 36 | END |
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