| 1 | ;------------------------------------------------------------ |
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| 2 | ;------------------------------------------------------------ |
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| 3 | ;------------------------------------------------------------ |
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| 4 | ;+ |
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| 5 | ; |
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| 6 | ; @file_comments |
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| 7 | ; calculate umask. Economize memory (we do not need to keep umask anymore) |
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| 8 | ; |
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| 9 | ; @categories |
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| 10 | ; Utilities |
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| 11 | ; |
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| 12 | ; @returns |
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| 13 | ; A 3d array corresponding to umask. |
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| 14 | ; |
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| 15 | ; @uses |
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| 16 | ; common.pro |
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| 17 | ; |
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| 18 | ; @examples |
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| 19 | ; Used like if umask was a known array by substituing umask by (umask()) |
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| 20 | ; For example: Instaed of write umask[domainef] we have to write (umask())[domainef] |
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| 21 | ; |
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| 22 | ; MODIFICATION HISTORY: Sebastien Masson (smasson\@lodyc.jussieu.fr) |
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| 23 | ; 11/12/98 |
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| 24 | ; ??/6/99 introduction of the key_shift |
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| 25 | ; 20/9/99 cas jpk=1 (Thanks to jpblod\@ipsl.jussieu.fr) |
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| 26 | ; |
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| 27 | ; @version |
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| 28 | ; $Id$ |
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| 29 | ; |
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| 30 | ;- |
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| 31 | ;------------------------------------------------------------ |
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| 32 | ;------------------------------------------------------------ |
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| 33 | ;------------------------------------------------------------ |
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| 34 | FUNCTION umask |
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| 35 | ;--------------------------------------------------------- |
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| 36 | ; |
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| 37 | compile_opt idl2, strictarrsubs |
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| 38 | ; |
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| 39 | @cm_4mesh |
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| 40 | IF NOT keyword_set(key_forgetold) THEN BEGIN |
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| 41 | @updatenew |
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| 42 | ENDIF |
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| 43 | ;--------------------------------------------------------- |
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| 44 | tempsun = systime(1) ; For key_performance |
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| 45 | ; |
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| 46 | CASE size(tmask, /n_dimensions) OF |
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| 47 | 2:res = tmask*shift(tmask, -1, 0) |
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| 48 | 3:res = tmask*shift(tmask, -1, 0, 0) |
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| 49 | ENDCASE |
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| 50 | ; |
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| 51 | if NOT keyword_set(key_periodic) then res[jpi-1, *, *] = umaskred |
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| 52 | if keyword_set(key_performance) THEN print, 'temps umask', systime(1)-tempsun |
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| 53 | ; |
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| 54 | return, res |
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| 55 | end |
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