[2] | 1 | ;------------------------------------------------------------ |
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| 2 | ;------------------------------------------------------------ |
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| 3 | ;------------------------------------------------------------ |
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| 4 | ;+ |
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| 5 | ; NAME: preproc_mask.pro |
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| 6 | ; |
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| 7 | ; PURPOSE: Extends land-sea mask by one point over ocean |
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| 8 | ; |
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| 9 | ; CATEGORY: Function |
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| 10 | ; |
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| 11 | ; CALLING SEQUENCE: preproc_mask, mask |
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| 12 | ; |
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| 13 | ; INPUTS: |
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| 14 | ; mask : mask field composed of 0 and 1 values |
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| 15 | ; with 0 over land points |
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| 16 | ; |
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| 17 | ; KEYWORD PARAMETERS: None |
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| 18 | ; |
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| 19 | ; OUTPUTS: |
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| 20 | ; mask : mask field extended |
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| 21 | ; |
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| 22 | ; |
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| 23 | ; COMMON BLOCKS: |
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| 24 | ; common_interp |
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| 25 | ; |
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| 26 | ; SIDE EFFECTS: |
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| 27 | ; |
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| 28 | ; RESTRICTIONS: |
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| 29 | ; |
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| 30 | ; EXAMPLE: |
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| 31 | ; |
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| 32 | ; MODIFICATION HISTORY: 11/99 A. Jouzeau |
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| 33 | ; |
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| 34 | ;- |
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| 35 | ;------------------------------------------------------------ |
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| 36 | ;------------------------------------------------------------ |
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| 37 | ;------------------------------------------------------------ |
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| 38 | FUNCTION preproc_mask, mask |
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| 39 | @common_interp |
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| 40 | ; |
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| 41 | printf, 40, '' |
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| 42 | printf, 40, 'Entering preproc_mask' |
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| 43 | zero = fltarr(jpiatm+2, jpjatm+2) |
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| 44 | zero(*, *) = 1 |
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| 45 | zero[1:jpiatm, 1:jpjatm] = mask |
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| 46 | mask = zero |
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| 47 | ; |
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| 48 | mask = mask*shift(mask, 1, 0)*shift(mask, 0, 1)*shift(mask, 1, 1) $ |
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| 49 | *shift(mask, -1, 0)*shift(mask, 0, -1)*shift(mask, -1, -1) $ |
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| 50 | *shift(mask, -1, 1)*shift(mask, 1, -1) |
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| 51 | z = fltarr(jpiatm, jpjatm) |
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| 52 | z = mask[1:jpiatm, 1:jpjatm] |
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| 53 | printf, 40, '' |
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| 54 | printf, 40, 'Extension done' |
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| 55 | ; |
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| 56 | return, z |
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| 57 | END |
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