| 1 | SUBROUTINE namset (px1, py1, kmsk1, kvmsk1, kngx1, kngy1, |
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| 2 | $ cdper1, kper1, |
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| 3 | $ px2, py2, kmsk2, kvmsk2, kngx2, kngy2, |
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| 4 | $ cdper2, kper2, |
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| 5 | $ cdtyp, |
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| 6 | $ pr1to2, k1to2, kw1to2, psgr1, psgr2, |
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| 7 | $ krdwt, kwlun, kvmsz2, |
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| 8 | $ kmskz2, knumber) |
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| 9 | C**** |
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| 10 | C ***************************** |
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| 11 | C * OASIS ROUTINE - LEVEL 3 * |
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| 12 | C * ------------- ------- * |
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| 13 | C ***************************** |
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| 14 | C |
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| 15 | C**** *namset* - Initializations for the mesh naive method |
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| 16 | C |
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| 17 | C Purpose: |
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| 18 | C ------- |
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| 19 | C Read or calculate the interpolation weights used in Anaism |
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| 20 | C |
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| 21 | C** Interface: |
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| 22 | C --------- |
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| 23 | C *CALL* *namset(px1, py1, kmsk1, kvmsk1, kngx1, kngy1, cdper1, kper1, |
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| 24 | C px2, py2, kmsk2, kvmsk2, kngx2, kngy2, cdper2, kper2, |
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| 25 | C pr1to2, k1to2, kw1to2, psgr1, psgr2, |
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| 26 | C krdwt, kwlun, kvmsz2, |
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| 27 | C kmskz2, knumber)* |
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| 28 | C Input: |
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| 29 | C ----- |
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| 30 | C kngx1 : number of longitudes for source grid |
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| 31 | C kngy1 : number of latitudes for source grid |
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| 32 | C px1 : longitudes for source grid (real 2D) |
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| 33 | C py1 : latitudes for source grid (real 2D) |
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| 34 | C kmsk1 : the mask for source grid (integer 2D) |
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| 35 | C kvmsk1 : the value of the mask for source grid |
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| 36 | C cdper1 : source grid periodicity |
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| 37 | C kper1 : number of overlapped points for source grid |
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| 38 | C kngx2 : number of longitudes for target grid |
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| 39 | C kngy2 : number of latitudes for target grid |
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| 40 | C px2 : longitudes for target grid (real 2D) |
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| 41 | C py2 : latitudes for target grid (real 2D) |
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| 42 | C kmsk2 : the mask of target grid (integer 2D) |
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| 43 | C kvmsk2 : the value of the mask for target grid |
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| 44 | C cdper2 : target grid periodicity |
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| 45 | C kper2 : number of overlapped points for target grid |
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| 46 | C cdtyp : type of source grid |
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| 47 | C kw1to2 : maximum number of overlapped neighbors |
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| 48 | C krdwt : read/write flag for the weights |
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| 49 | C kwlun : logical unit for the weights |
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| 50 | C kvmsz2 : mask value for array kmskz2 |
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| 51 | C knumber : flag to identify appropriate Anaism dataset |
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| 52 | C |
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| 53 | C Output: |
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| 54 | C ------ |
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| 55 | C pr1to2 : weights for Anaism interpolation (real 2D) |
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| 56 | C k1to2 : source grid neighbors adresses (integer 2D) |
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| 57 | C kmskz2 : number of source grid neighbors (integer 2D) |
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| 58 | C psgr1 : source grid square surfaces (real 2D) |
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| 59 | C psgr2 : target grid square surfaces (real 2D) |
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| 60 | C |
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| 61 | C |
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| 62 | C Workspace: |
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| 63 | C --------- |
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| 64 | C None |
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| 65 | C |
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| 66 | C External: |
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| 67 | C -------- |
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| 68 | C pcssph, ssumr, grstat, pmrhal, locwrint, locwrite, locread, locrint, |
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| 69 | C icoor, jcoor |
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| 70 | C |
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| 71 | C References: |
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| 72 | C ---------- |
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| 73 | C O. Thual, Simple ocean-atmosphere interpolation. |
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| 74 | C Part A: The method, EPICOA 0629 (1992) |
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| 75 | C Part B: Software implementation, EPICOA 0630 (1992) |
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| 76 | C See also OASIS manual (1995) |
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| 77 | C |
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| 78 | C History: |
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| 79 | C ------- |
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| 80 | C Version Programmer Date Description |
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| 81 | C ------- ---------- ---- ----------- |
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| 82 | C 1.1 O. Thual 93/04/15 created |
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| 83 | C 2.0 L. Terray 95/10/01 modified: new structure |
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| 84 | C 2.3 S. Valcke 99/04/30 added: printing levels |
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| 85 | C 2.3 L. Terray 99/09/15 changed periodicity variables |
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| 86 | C |
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| 87 | C %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
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| 88 | C |
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| 89 | C* ---------------------------- Include files --------------------------- |
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| 90 | C |
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| 91 | USE mod_kinds_oasis |
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| 92 | USE mod_unit |
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| 93 | USE mod_printing |
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| 94 | C |
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| 95 | C* ---------------------------- Argument declarations ------------------- |
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| 96 | C |
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| 97 | REAL (kind=ip_realwp_p) px1(kngx1,kngy1), py1(kngx1,kngy1), |
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| 98 | $ psgr1(kngx1,kngy1) |
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| 99 | REAL (kind=ip_realwp_p) px2(kngx2,kngy2), py2(kngx2,kngy2), |
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| 100 | $ psgr2(kngx2,kngy2) |
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| 101 | REAL (kind=ip_realwp_p) pr1to2(kw1to2,kngx2*kngy2) |
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| 102 | INTEGER (kind=ip_intwp_p) kmsk1(kngx1,kngy1), kmsk2(kngx2,kngy2) |
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| 103 | INTEGER (kind=ip_intwp_p) k1to2(kw1to2,kngx2*kngy2), |
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| 104 | $ kmskz2(kngx2,kngy2) |
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| 105 | CHARACTER*8 cdper1, cdper2 |
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| 106 | CHARACTER*1 cdtyp |
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| 107 | C |
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| 108 | C* ---------------------------- Local declarations ---------------------- |
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| 109 | C |
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| 110 | CHARACTER*8 cladress, clweight, cloverlp |
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| 111 | CHARACTER*1 cltyp |
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| 112 | C |
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| 113 | C* ---------------------------- Poema verses ---------------------------- |
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| 114 | C |
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| 115 | C %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
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| 116 | C |
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| 117 | C* 1. Initializations |
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| 118 | C --------------- |
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| 119 | C |
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| 120 | IF (nlogprt .GE. 2) THEN |
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| 121 | WRITE (UNIT = nulou,FMT = *) ' ' |
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| 122 | WRITE (UNIT = nulou,FMT = *) ' ' |
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| 123 | WRITE (UNIT = nulou,FMT = *) |
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| 124 | $ ' Routine namset - Level 3' |
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| 125 | WRITE (UNIT = nulou,FMT = *) |
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| 126 | $ ' ************** *******' |
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| 127 | WRITE (UNIT = nulou,FMT = *) ' ' |
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| 128 | WRITE (UNIT = nulou,FMT = *) |
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| 129 | $ ' Set up ANAIS-MESH interpolation' |
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| 130 | WRITE (UNIT = nulou,FMT = *) ' ' |
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| 131 | WRITE (UNIT = nulou,FMT = *) ' ' |
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| 132 | ENDIF |
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| 133 | C |
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| 134 | C* Define global dimensions + other local variables |
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| 135 | C |
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| 136 | ing1 = kngx1 * kngy1 |
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| 137 | ing2 = kngx2 * kngy2 |
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| 138 | ivmsk1 = kvmsk1 |
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| 139 | ivmsk2 = kvmsk2 |
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| 140 | iflag = 0 |
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| 141 | C |
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| 142 | C* Define character strings to locate needed data |
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| 143 | C |
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| 144 | WRITE(clweight,'(''WEIGHTS'',I1)') knumber |
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| 145 | WRITE(cladress,'(''ADRESSE'',I1)') knumber |
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| 146 | WRITE(cloverlp,'(''OVERLAP'',I1)') knumber |
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| 147 | C |
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| 148 | C |
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| 149 | C* 2. Statistics of source grid |
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| 150 | C ------------------------- |
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| 151 | C |
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| 152 | cltyp = cdtyp |
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| 153 | C* The following routines calculate some interesting info about the grids |
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| 154 | C |
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| 155 | C* Calculate surface elements (assume spherical and periodic grid) |
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| 156 | C |
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| 157 | CALL pcssph (px1, py1, psgr1, kngx1, kngy1) |
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| 158 | zsum = ssumr (psgr1, ing1) |
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| 159 | C |
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| 160 | C* Printing on ANAIS output file |
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| 161 | C |
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| 162 | IF (nlogprt .GE. 2) THEN |
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| 163 | WRITE (UNIT = nulan,FMT = *) ' ANAIS output FILE ' |
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| 164 | WRITE (UNIT = nulan,FMT = *) ' ***** ****** **** ' |
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| 165 | WRITE (UNIT = nulan,FMT = *) ' ' |
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| 166 | WRITE (UNIT = nulan,FMT = *) ' Routine namset ' |
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| 167 | WRITE (UNIT = nulan,FMT = *) ' -------------- ' |
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| 168 | WRITE (UNIT = nulan,FMT = *) ' ' |
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| 169 | WRITE (UNIT = nulan,FMT = *) |
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| 170 | $ ' Some statistics about the source grid ' |
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| 171 | WRITE (UNIT = nulan,FMT = *) |
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| 172 | $ ' ************************************* ' |
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| 173 | WRITE (UNIT = nulan,FMT = *) ' ' |
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| 174 | WRITE (UNIT = nulan,FMT = *) |
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| 175 | $ ' Sum of grid square surfaces = ', zsum |
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| 176 | WRITE (UNIT = nulan,FMT = *) |
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| 177 | $ ' It must be equal to 4 x PI = ', 16. * atan(1.) |
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| 178 | WRITE (UNIT = nulan,FMT = *) ' ' |
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| 179 | ENDIF |
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| 180 | C |
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| 181 | C* Calculate for ocean points (unmasked points) the following data : |
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| 182 | C ************ |
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| 183 | C - total surface |
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| 184 | C - average inter-point distance |
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| 185 | C - inverse of the sum of surface elements squared |
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| 186 | C |
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| 187 | CALL grstat (px1, py1, psgr1, kmsk1, kngx1, kngy1, cltyp, |
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| 188 | $ zamsh1, zstot1, zhhi1, ivmsk1) |
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| 189 | C |
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| 190 | C* Printing |
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| 191 | C |
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| 192 | IF (nlogprt .GE. 2) THEN |
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| 193 | WRITE (UNIT = nulan,FMT = *) |
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| 194 | $ ' Some info for ocean points only ' |
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| 195 | WRITE (UNIT = nulan,FMT = *) |
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| 196 | $ ' ******************************* ' |
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| 197 | WRITE (UNIT = nulan,FMT = *) ' ' |
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| 198 | WRITE (UNIT = nulan,FMT = *) |
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| 199 | $ ' Average mesh distance = ', sqrt(zamsh1) |
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| 200 | WRITE (UNIT = nulan,FMT = *) ' Total surface = ', zstot1 |
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| 201 | WRITE (UNIT = nulan,FMT = *) |
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| 202 | $ ' Inverse of sum surf. elts. squared = ', zhhi1 |
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| 203 | ENDIF |
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| 204 | C |
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| 205 | C |
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| 206 | C* 3. Statistics of target grid |
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| 207 | C ------------------------- |
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| 208 | C |
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| 209 | C* The following routines calculate some interesting info about the grids |
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| 210 | C |
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| 211 | C* Calculate surface elements (assume spherical and periodic grid) |
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| 212 | C |
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| 213 | CALL pcssph (px2, py2, psgr2, kngx2, kngy2) |
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| 214 | zsum = ssumr (psgr2, ing2) |
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| 215 | C |
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| 216 | C* Printing |
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| 217 | C |
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| 218 | IF (nlogprt .GE. 2) THEN |
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| 219 | WRITE (UNIT = nulan,FMT = *) ' ' |
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| 220 | WRITE (UNIT = nulan,FMT = *) |
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| 221 | $ ' Some statistics about the target grid ' |
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| 222 | WRITE (UNIT = nulan,FMT = *) |
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| 223 | $ ' ************************************* ' |
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| 224 | WRITE (UNIT = nulan,FMT = *) ' ' |
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| 225 | WRITE (UNIT = nulan,FMT = *) |
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| 226 | $ ' Sum of grid square surfaces = ', zsum |
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| 227 | WRITE (UNIT = nulan,FMT = *) |
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| 228 | $ ' It must be equal to 4 x PI = ', |
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| 229 | $ 16. * atan(1.) |
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| 230 | WRITE (UNIT = nulan,FMT = *) ' ' |
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| 231 | ENDIF |
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| 232 | C |
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| 233 | C* Calculate for ocean points (unmasked points) the following data : |
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| 234 | C ************ |
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| 235 | C - total surface |
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| 236 | C - average inter-point distance |
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| 237 | C - inverse of the sum of surface elements squared |
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| 238 | C |
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| 239 | CALL grstat (px2, py2, psgr2, kmsk2, kngx2, kngy2, cltyp, |
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| 240 | $ zamsh2, zstot2, zhhi2, ivmsk2) |
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| 241 | C |
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| 242 | C* Printing |
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| 243 | C |
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| 244 | IF (nlogprt .GE. 2) THEN |
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| 245 | WRITE (UNIT = nulan,FMT = *) |
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| 246 | $ ' Some info for ocean points only ' |
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| 247 | WRITE (UNIT = nulan,FMT = *) |
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| 248 | $ ' ******************************* ' |
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| 249 | WRITE (UNIT = nulan,FMT = *) ' ' |
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| 250 | WRITE (UNIT = nulan,FMT = *) |
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| 251 | $ ' Average mesh distance = ', sqrt(zamsh2) |
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| 252 | WRITE (UNIT = nulan,FMT = *) ' Total surface = ', zstot2 |
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| 253 | WRITE (UNIT = nulan,FMT = *) |
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| 254 | $ ' Inverse of sum surf. elts. squared = ', zhhi2 |
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| 255 | ENDIF |
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| 256 | C |
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| 257 | C |
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| 258 | C* 4. Preparation of the neighbors search |
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| 259 | C ----------------------------------- |
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| 260 | C |
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| 261 | C* Consistency checking |
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| 262 | C |
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| 263 | IF (kw1to2 .GT. ing2) THEN |
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| 264 | WRITE (UNIT = nulou,FMT = *) ' WARNING: kw1to2 .gt. ing2 ' |
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| 265 | WRITE (UNIT = nulou,FMT = *) ' ******* ------ ---- ' |
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| 266 | WRITE (UNIT = nulou,FMT = *) |
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| 267 | $ ' kw1to2 = ',kw1to2,' ing2 = ',ing2 |
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| 268 | ENDIF |
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| 269 | C |
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| 270 | C |
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| 271 | C* 5. Weights determination |
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| 272 | C --------------------- |
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| 273 | C |
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| 274 | C* Initialization for read write options |
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| 275 | C |
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| 276 | IF (krdwt .EQ. 1) THEN |
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| 277 | C |
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| 278 | C* Writing |
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| 279 | C ------- |
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| 280 | C |
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| 281 | C* Calculate and write weights after checking numbers |
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| 282 | C |
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| 283 | C* Calculates weights |
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| 284 | C |
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| 285 | CALL pmrhal (pr1to2, k1to2, kw1to2, |
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| 286 | $ px1, py1, kmsk1, kngx1, kngy1, cdper1, kper1, |
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| 287 | $ px2, py2, kmsk2, kngx2, kngy2, cdper2, kper2, |
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| 288 | $ ivmsk1, ivmsk2, kmskz2, kvmsz2) |
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| 289 | C |
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| 290 | C* Write weights + other useful stuff |
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| 291 | C |
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| 292 | C* - Write main locator string + weights |
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| 293 | C |
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| 294 | CALL locwrite (clweight, pr1to2, kw1to2*kngx2*kngy2, |
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| 295 | $ kwlun, iflag) |
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| 296 | IF (iflag .NE. 0) THEN |
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| 297 | WRITE (UNIT = nulou,FMT = *) |
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| 298 | $ 'Problem in writing on UNIT = ', kwlun |
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| 299 | WRITE (UNIT = nulou,FMT = *) |
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| 300 | $ 'String locator is = ', clweight |
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| 301 | CALL HALTE ('Stop in namset') |
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| 302 | ENDIF |
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| 303 | C |
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| 304 | C* - Write overlapped neighbors adresses |
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| 305 | C |
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| 306 | CALL locwrint (cladress, k1to2, kw1to2*kngx2*kngy2, |
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| 307 | $ kwlun, iflag) |
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| 308 | IF (iflag .NE. 0) THEN |
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| 309 | WRITE (UNIT = nulou,FMT = *) |
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| 310 | $ 'Problem in writing on UNIT = ', kwlun |
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| 311 | WRITE (UNIT = nulou,FMT = *) |
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| 312 | $ 'String locator is = ', cladress |
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| 313 | CALL HALTE ('Stop in namset') |
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| 314 | ENDIF |
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| 315 | C |
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| 316 | C* - Write overlapped neighbors numbers |
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| 317 | C |
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| 318 | CALL locwrint (cloverlp, kmskz2, kngx2*kngy2, |
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| 319 | $ kwlun, iflag) |
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| 320 | IF (iflag .NE. 0) THEN |
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| 321 | WRITE (UNIT = nulou,FMT = *) |
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| 322 | $ 'Problem in writing on UNIT = ', kwlun |
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| 323 | WRITE (UNIT = nulou,FMT = *) |
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| 324 | $ 'String locator is = ', cloverlp |
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| 325 | CALL HALTE ('Stop in namset') |
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| 326 | ENDIF |
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| 327 | C |
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| 328 | C* - Write checkings numbers (grid parameters) |
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| 329 | C |
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| 330 | WRITE(kwlun) kngx1, kngy1, kngx2, kngy2 |
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| 331 | C |
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| 332 | C* Job is done |
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| 333 | C |
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| 334 | IF (nlogprt .GE. 2) THEN |
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| 335 | CALL prtout('Wrote weights on unit = ', kwlun, 1) |
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| 336 | ENDIF |
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| 337 | C |
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| 338 | C* Reading |
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| 339 | C ------- |
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| 340 | C |
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| 341 | ELSE |
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| 342 | C |
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| 343 | C |
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| 344 | C* Reads weights and checks |
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| 345 | C |
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| 346 | C* - Read main locator string + weights |
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| 347 | CALL locread (clweight, pr1to2, kw1to2*kngx2*kngy2, |
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| 348 | $ kwlun, iflag) |
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| 349 | IF (iflag .NE. 0) THEN |
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| 350 | WRITE (UNIT = nulou,FMT = *) |
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| 351 | $ 'Problem in reading on UNIT = ', kwlun |
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| 352 | WRITE (UNIT = nulou,FMT = *) |
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| 353 | $ 'String locator is = ', clweight |
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| 354 | CALL HALTE ('Stop in namset') |
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| 355 | ENDIF |
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| 356 | C |
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| 357 | C* - Read overlapped neighbors adresses |
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| 358 | C |
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| 359 | CALL locrint (cladress, k1to2, kw1to2*kngx2*kngy2, |
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| 360 | $ kwlun, iflag) |
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| 361 | IF (iflag .NE. 0) THEN |
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| 362 | WRITE (UNIT = nulou,FMT = *) |
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| 363 | $ 'Problem in reading on UNIT = ', kwlun |
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| 364 | WRITE (UNIT = nulou,FMT = *) |
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| 365 | $ 'String locator is = ', cladress |
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| 366 | CALL HALTE ('Stop in namset') |
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| 367 | ENDIF |
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| 368 | C |
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| 369 | C* - Read overlapped neighbors numbers |
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| 370 | C |
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| 371 | CALL locrint (cloverlp, kmskz2, kngx2*kngy2, |
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| 372 | $ kwlun, iflag) |
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| 373 | IF (iflag .NE. 0) THEN |
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| 374 | WRITE (UNIT = nulou,FMT = *) |
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| 375 | $ 'Problem in reading on UNIT = ', kwlun |
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| 376 | WRITE (UNIT = nulou,FMT = *) |
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| 377 | $ 'String locator is = ', cloverlp |
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| 378 | CALL HALTE ('Stop in namset') |
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| 379 | ENDIF |
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| 380 | C |
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| 381 | C* - Read checkings numbers (grid parameters) |
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| 382 | C |
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| 383 | READ(kwlun) ingx1, ingy1, ingx2, ingy2 |
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| 384 | C |
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| 385 | C* Checks |
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| 386 | C |
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| 387 | IF (ingx1 .NE. kngx1 .OR. ingy1 .NE. kngy1 .OR. |
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| 388 | $ ingx2 .NE. kngx2 .OR. ingy2 .NE. kngy2) THEN |
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| 389 | WRITE (UNIT = nulou,FMT = *) |
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| 390 | $ ' Inconsistency in mweights file' |
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| 391 | WRITE (UNIT = nulou,FMT = *) |
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| 392 | $ 'ingx1 = ',ingx1,'kngx1 = ',kngx1 |
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| 393 | WRITE (UNIT = nulou,FMT = *) |
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| 394 | $ 'ingy1 = ',ingy1,'kngy1 = ',kngy1 |
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| 395 | WRITE (UNIT = nulou,FMT = *) |
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| 396 | $ 'ingx2 = ',ingx2,'kngx2 = ',kngx2 |
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| 397 | WRITE (UNIT = nulou,FMT = *) |
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| 398 | $ 'ingy2 = ',ingy2,'kngy2 = ',kngy2 |
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| 399 | CALL HALTE ('Stop in namset') |
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| 400 | ENDIF |
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| 401 | C |
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| 402 | C* Reading of weights done |
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| 403 | C |
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| 404 | IF (nlogprt .GE. 2) THEN |
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| 405 | CALL prtout |
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| 406 | $ ('Reading of weights done on unit = ', kwlun, 1) |
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| 407 | ENDIF |
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| 408 | ENDIF |
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| 409 | C |
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| 410 | C |
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| 411 | C* 6. Printing weights and adresses on ANAIS output file |
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| 412 | C -------------------------------------------------- |
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| 413 | C |
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| 414 | IF (nlogprt .GE. 2) THEN |
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| 415 | WRITE (UNIT = nulan,FMT = *) ' ' |
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| 416 | WRITE (UNIT = nulan,FMT = *) |
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| 417 | $ ' Print weights and adresses of overlapped neighbors ' |
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| 418 | WRITE (UNIT = nulan,FMT = *) |
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| 419 | $ ' ************************************************** ' |
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| 420 | WRITE (UNIT = nulan,FMT = *) ' ' |
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| 421 | DO 610 jj = 1, kngy2 |
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| 422 | DO 620 ji = 1, kngx2 |
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| 423 | WRITE (UNIT = nulan,FMT = 6010) ji, jj |
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| 424 | WRITE (UNIT = nulan,FMT = 6020) px2(ji,jj), py2(ji,jj) |
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| 425 | WRITE (UNIT = nulan,FMT = 6030) kmskz2(ji,jj) |
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| 426 | IF (kmskz2(ji,jj) .NE. 0) THEN |
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| 427 | IF (kmsk2(ji,jj) .EQ. 0) THEN |
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| 428 | DO 630 jn = 1, kmskz2(ji,jj) |
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| 429 | iind = ji + kngx2 * (jj-1) |
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| 430 | iadr = k1to2(jn,iind) |
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| 431 | ix = icoor(iadr,kngx1) |
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| 432 | iy = jcoor(iadr,kngx1) |
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| 433 | WRITE(UNIT = nulan,FMT = 6040) |
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| 434 | $ jn, pr1to2(jn,iind) |
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| 435 | WRITE(UNIT = nulan,FMT = 6050) |
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| 436 | $ ix, iy, px1(ix,iy), py1(ix,iy) |
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| 437 | 630 CONTINUE |
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| 438 | ELSE |
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| 439 | WRITE(UNIT = nulan,FMT = 6060) |
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| 440 | ENDIF |
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| 441 | ENDIF |
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| 442 | 620 CONTINUE |
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| 443 | 610 CONTINUE |
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| 444 | CALL FLUSH(nulan) |
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| 445 | ENDIF |
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| 446 | C |
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| 447 | C* Formats |
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| 448 | C |
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| 449 | 6010 FORMAT(/,' Target grid point -- i = ',I3,' j = ',I3) |
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| 450 | 6020 FORMAT(' Point coordinates -- long = ',F9.4,' lat = ',F9.4) |
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| 451 | 6030 FORMAT(3X,'Number of overlapped source grid squares = ',I3) |
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| 452 | 6040 FORMAT(5X,' neighbor number = ',I3,' weight is = ',F6.4) |
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| 453 | 6050 FORMAT(5X,' i = ',I3,' j = ',I3,' lon = ',F9.4,' lat = ',F9.4) |
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| 454 | 6060 FORMAT(5X,' This is a continental point on the target grid ') |
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| 455 | C |
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| 456 | C |
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| 457 | C* 7. End of routine |
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| 458 | C -------------- |
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| 459 | C |
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| 460 | IF (nlogprt .GE. 2) THEN |
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| 461 | WRITE(UNIT = nulou,FMT = *) ' ' |
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| 462 | WRITE(UNIT = nulou,FMT = *) |
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| 463 | $ ' --------- End of routine namset ---------' |
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| 464 | CALL FLUSH(nulou) |
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| 465 | ENDIF |
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| 466 | RETURN |
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| 467 | END |
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| 468 | |
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| 469 | |
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| 470 | |
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| 471 | |
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