1 | #include "cppdefs.h"
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2 | MODULE nf_fwrite4d_mod
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3 | !
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4 | !svn $Id$
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5 | !================================================== Hernan G. Arango ===
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6 | ! Copyright (c) 2002-2018 The ROMS/TOMS Group !
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7 | ! Licensed under a MIT/X style license !
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8 | ! See License_ROMS.txt !
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9 | !=======================================================================
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10 | ! !
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11 | ! This function writes out a generic floating point 4D array into an !
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12 | ! output NetCDF file. !
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13 | ! !
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14 | ! On Input: !
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15 | ! !
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16 | ! ng Nested grid number. !
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17 | ! model Calling model identifier. !
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18 | ! ncid NetCDF file ID. !
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19 | ! ncvarid NetCDF variable ID. !
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20 | ! tindex NetCDF time record index to write. !
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21 | ! gtype Grid type. If negative, only write water points. !
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22 | ! LBi I-dimension Lower bound. !
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23 | ! UBi I-dimension Upper bound. !
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24 | ! LBj J-dimension Lower bound. !
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25 | ! UBj J-dimension Upper bound. !
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26 | ! LBk K-dimension Lower bound. !
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27 | ! UBk K-dimension Upper bound. !
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28 | ! LBt Time-dimension Lower bound. !
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29 | ! UBt Time-dimension Upoer bound. !
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30 | ! Amask land/Sea mask, if any (real). !
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31 | ! Ascl Factor to scale field before writing (real). !
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32 | ! A Field to write out (real). !
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33 | ! SetFillVal Logical switch to set fill value in land areas !
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34 | ! (optional). !
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35 | ! !
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36 | ! On Output: !
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37 | ! !
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38 | ! nf_fwrite4d Error flag (integer). !
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39 | ! !
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40 | #ifdef POSITIVE_ZERO
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41 | ! Starting F95 zero values can be signed (-0 or +0) following the !
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42 | ! IEEE 754 floating point standard. This may produce different !
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43 | ! output data in serial and parallel applications. Since comparing !
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44 | ! serial and parallel output is essential for tracking parallel !
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45 | ! partition bugs, "positive zero" is enforced. !
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46 | ! !
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47 | #endif
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48 | !=======================================================================
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49 | !
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50 | implicit none
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51 |
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52 | CONTAINS
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53 |
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54 | #if defined PARALLEL_IO && defined DISTRIBUTE
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55 | !
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56 | !***********************************************************************
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57 | FUNCTION nf_fwrite4d (ng, model, ncid, ncvarid, tindex, gtype, &
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58 | & LBi, UBi, LBj, UBj, LBk, UBk, LBt, UBt, &
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59 | & Ascl, &
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60 | # ifdef MASKING
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61 | & Amask, &
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62 | # endif
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63 | & A, SetFillVal)
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64 | !***********************************************************************
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65 | !
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66 | USE mod_param
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67 | USE mod_parallel
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68 | USE mod_ncparam
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69 | USE mod_netcdf
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70 | USE mod_scalars
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71 |
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72 | # ifdef MASKING
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73 | !
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74 | USE distribute_mod, ONLY : mp_collect
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75 | # endif
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76 | !
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77 | ! Imported variable declarations.
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78 | !
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79 | logical, intent(in), optional :: SetFillVal
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80 |
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81 | integer, intent(in) :: ng, model, ncid, ncvarid, tindex, gtype
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82 | integer, intent(in) :: LBi, UBi, LBj, UBj, LBk, UBk, LBt, UBt
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83 |
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84 | real(r8), intent(in) :: Ascl
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85 |
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86 | # ifdef ASSUMED_SHAPE
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87 | # ifdef MASKING
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88 | real(r8), intent(in) :: Amask(LBi:,LBj:)
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89 | # endif
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90 | real(r8), intent(in) :: A(LBi:,LBj:,LBk:,LBt:)
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91 | # else
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92 | # ifdef MASKING
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93 | real(r8), intent(in) :: Amask(LBi:UBi,LBj:UBj)
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94 | # endif
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95 | real(r8), intent(in) :: A(LBi:UBi,LBj:UBj,LBk:UBk,LBt:UBt)
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96 | # endif
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97 | !
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98 | ! Local variable declarations.
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99 | !
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100 | # ifdef MASKING
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101 | logical :: LandFill
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102 | # endif
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103 | integer :: i, ic, j, jc, k, kc, l, lc, Npts
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104 | integer :: Imin, Imax, Jmin, Jmax, Kmin, Kmax
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105 | integer :: Ioff, Joff, Koff, Loff
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106 | integer :: Istr, Iend
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107 | integer :: Ilen, Isize, Jlen, Jsize, IJlen, IJKlen, Klen, Llen
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108 | integer :: MyType, status
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109 |
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110 | integer, dimension(5) :: start, total
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111 |
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112 | integer :: nf_fwrite4d
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113 |
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114 | real(r8), parameter :: IniVal = 0.0_r8
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115 |
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116 | real(r8), allocatable :: Awrk(:)
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117 | !
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118 | !-----------------------------------------------------------------------
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119 | ! Set starting and ending indices to process.
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120 | !-----------------------------------------------------------------------
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121 | !
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122 | ! Set first and last grid point according to staggered C-grid
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123 | ! classification.
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124 | !
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125 | MyType=gtype
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126 |
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127 | SELECT CASE (ABS(MyType))
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128 | CASE (p2dvar, p3dvar)
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129 | Imin=BOUNDS(ng)%Istr (MyRank)
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130 | Imax=BOUNDS(ng)%IendR(MyRank)
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131 | Jmin=BOUNDS(ng)%Jstr (MyRank)
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132 | Jmax=BOUNDS(ng)%JendR(MyRank)
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133 | Isize=IOBOUNDS(ng)%xi_psi
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134 | Jsize=IOBOUNDS(ng)%eta_psi
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135 | CASE (r2dvar, r3dvar)
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136 | Imin=BOUNDS(ng)%IstrR(MyRank)
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137 | Imax=BOUNDS(ng)%IendR(MyRank)
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138 | Jmin=BOUNDS(ng)%JstrR(MyRank)
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139 | Jmax=BOUNDS(ng)%JendR(MyRank)
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140 | Isize=IOBOUNDS(ng)%xi_rho
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141 | Jsize=IOBOUNDS(ng)%eta_rho
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142 | CASE (u2dvar, u3dvar)
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143 | Imin=BOUNDS(ng)%Istr (MyRank)
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144 | Imax=BOUNDS(ng)%IendR(MyRank)
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145 | Jmin=BOUNDS(ng)%JstrR(MyRank)
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146 | Jmax=BOUNDS(ng)%JendR(MyRank)
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147 | Isize=IOBOUNDS(ng)%xi_u
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148 | Jsize=IOBOUNDS(ng)%eta_u
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149 | CASE (v2dvar, v3dvar)
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150 | Imin=BOUNDS(ng)%IstrR(MyRank)
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151 | Imax=BOUNDS(ng)%IendR(MyRank)
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152 | Jmin=BOUNDS(ng)%Jstr (MyRank)
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153 | Jmax=BOUNDS(ng)%JendR(MyRank)
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154 | Isize=IOBOUNDS(ng)%xi_v
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155 | Jsize=IOBOUNDS(ng)%eta_v
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156 | CASE DEFAULT
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157 | Imin=BOUNDS(ng)%IstrR(MyRank)
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158 | Imax=BOUNDS(ng)%IendR(MyRank)
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159 | Jmin=BOUNDS(ng)%JstrR(MyRank)
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160 | Jmax=BOUNDS(ng)%JendR(MyRank)
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161 | Isize=IOBOUNDS(ng)%xi_rho
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162 | Jsize=IOBOUNDS(ng)%eta_rho
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163 | END SELECT
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164 |
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165 | Ilen=Imax-Imin+1
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166 | Jlen=Jmax-Jmin+1
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167 | Klen=UBk-LBk+1
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168 | Llen=UBt-LBt+1
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169 |
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170 | # ifdef MASKING
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171 | !
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172 | ! Set switch to replace land areas with fill value, spval.
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173 | !
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174 | IF (PRESENT(SetFillVal)) THEN
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175 | LandFill=SetFillVal
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176 | ELSE
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177 | LandFill=tindex.gt.0
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178 | END IF
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179 | # endif
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180 | !
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181 | !-----------------------------------------------------------------------
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182 | ! Parallel I/O: Pack tile data into 1D array in column-major order.
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183 | # ifdef MASKING
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184 | ! Overwrite masked points with special value.
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185 | # endif
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186 | !-----------------------------------------------------------------------
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187 | !
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188 | IF (gtype.gt.0) THEN
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189 | !
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190 | ! Set offsets due the NetCDF dimensions. Recall that some output
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191 | ! variables not always start at one.
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192 | !
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193 | SELECT CASE (ABS(MyType))
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194 | CASE (p2dvar, p3dvar)
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195 | Ioff=0
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196 | Joff=0
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197 | CASE (r2dvar, r3dvar)
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198 | Ioff=1
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199 | Joff=1
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200 | CASE (u2dvar, u3dvar)
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201 | Ioff=0
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202 | Joff=1
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203 | CASE (v2dvar, v3dvar)
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204 | Ioff=1
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205 | Joff=0
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206 | CASE DEFAULT
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207 | Ioff=1
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208 | Joff=1
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209 | END SELECT
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210 |
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211 | IF (LBk.eq.0) THEN
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212 | Koff=1
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213 | ELSE
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214 | Koff=0
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215 | END IF
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216 |
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217 | IF (LBt.eq.0) THEN
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218 | Loff=1
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219 | ELSE
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220 | Loff=0
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221 | END IF
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222 | !
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223 | ! Allocate and initialize scratch work array.
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224 | !
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225 | IJlen=Ilen*Jlen
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226 | IJKlen=IJlen*Klen
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227 | Npts=IJKlen*Llen
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228 |
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229 | IF (.not.allocated(Awrk)) THEN
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230 | allocate ( Awrk(Npts) )
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231 | Awrk=IniVal
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232 | END IF
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233 | !
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234 | ! Pack and scale tile data.
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235 | !
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236 | ic=0
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237 | DO l=LBt,UBt
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238 | DO k=LBk,UBk
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239 | DO j=Jmin,Jmax
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240 | DO i=Imin,Imax
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241 | ic=ic+1
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242 | Awrk(ic)=A(i,j,k,l)*Ascl
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243 | # ifdef POSITIVE_ZERO
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244 | IF (ABS(Awrk(ic)).eq.0.0_r8) THEN
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245 | Awrk(ic)=0.0_r8 ! impose positive zero
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246 | END IF
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247 | # endif
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248 | # ifdef MASKING
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249 | IF ((Amask(i,j).eq.0.0_r8).and.LandFill) THEN
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250 | Awrk(ic)=spval
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251 | END IF
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252 | # endif
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253 | END DO
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254 | END DO
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255 | END DO
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256 | END DO
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257 | !
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258 | ! Write out data: all parallel nodes write their own packed tile data.
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259 | !
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260 | start(1)=Imin+Ioff
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261 | total(1)=Ilen
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262 | start(2)=Jmin+Joff
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263 | total(2)=Jlen
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264 | start(3)=LBk+Koff
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265 | total(3)=Klen
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266 | start(4)=LBt+Loff
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267 | total(4)=Llen
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268 | start(5)=tindex
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269 | total(5)=1
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270 |
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271 | status=nf90_put_var(ncid, ncvarid, Awrk, start, total)
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272 | nf_fwrite4d=status
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273 | END IF
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274 |
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275 | # if defined WRITE_WATER && defined MASKING
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276 | !
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277 | !-----------------------------------------------------------------------
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278 | ! Parallel I/O: Remove land points and pack tile data into 1D array.
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279 | !-----------------------------------------------------------------------
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280 | !
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281 | IF (gtype.lt.0) THEN
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282 | !
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283 | ! Set offsets due array packing into 1D array in column-major order.
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284 | !
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285 | SELECT CASE (ABS(MyType))
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286 | CASE (p2dvar, p3dvar)
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287 | Ioff=0
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288 | Joff=1
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289 | CASE (r2dvar, r3dvar)
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290 | Ioff=1
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291 | Joff=0
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292 | CASE (u2dvar, u3dvar)
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293 | Ioff=0
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294 | Joff=0
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295 | CASE (v2dvar, v3dvar)
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296 | Ioff=1
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297 | Joff=1
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298 | CASE DEFAULT
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299 | Ioff=1
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300 | Joff=0
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301 | END SELECT
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302 |
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303 | IF (LBk.eq.0) THEN
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304 | Koff=0
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305 | ELSE
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306 | Koff=1
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307 | END IF
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308 |
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309 | IF (LBt.eq.0) THEN
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310 | Loff=0
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311 | ELSE
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312 | Loff=1
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313 | END IF
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314 | !
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315 | ! Allocate and initialize scratch work array.
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316 | !
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317 | IJlen=Isize*Jsize
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318 | IJKlen=IJlen*Klen
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319 | Npts=IJKlen*Llen
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320 |
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321 | IF (.not.allocated(Awrk)) THEN
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322 | allocate ( Awrk(Npts) )
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323 | Awrk=IniVal
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324 | END IF
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325 | !
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326 | ! Scale and gather data from all spawned nodes. Store data into a 1D
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327 | ! global array, packed in column-major order. Flag land point with
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328 | ! special value.
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329 | !
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330 | DO l=LBt,UBt
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331 | lc=(l-Loff)*IJKlen
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332 | DO k=LBk,UBk
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333 | kc=(k-Koff)*IJlen+lc
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334 | DO j=Jmin,Jmax
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335 | jc=(j-Joff)*Isize+kc
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336 | DO i=Imin,Imax
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337 | ic=i+Ioff+jc
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338 | Awrk(ic)=A(i,j,k,l)*Ascl
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339 | # ifdef POSITIVE_ZERO
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340 | IF (ABS(Awrk(ic)).eq.0.0_r8) THEN
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341 | Awrk(ic)=0.0_r8 ! impose positive zero
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342 | END IF
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343 | # endif
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344 | IF (Amask(i,j).eq.0.0_r8) THEN
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345 | Awrk(ic)=spval
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346 | END IF
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347 | END DO
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348 | END DO
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349 | END DO
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350 | END DO
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351 | !
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352 | ! Global reduction of work array.
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353 | !
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354 | CALL mp_collect (ng, model, Npts, IniVal, Awrk)
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355 | !
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356 | ! Remove land points.
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357 | !
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358 | ic=0
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359 | DO i=1,Npts
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360 | IF (Awrk(i).lt.spval) THEN
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361 | ic=ic+1
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362 | Awrk(ic)=Awrk(i)
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363 | END IF
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364 | END DO
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365 | Npts=ic
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366 | !
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367 | ! Write out data: all parallel nodes write a section of the packed
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368 | ! data.
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369 | !
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370 | CALL tile_bounds_1d (ng, MyRank, Npts, Istr, Iend)
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371 |
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372 | start(1)=Istr
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373 | total(1)=Iend-Istr+1
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374 | start(2)=tindex
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375 | total(2)=1
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376 |
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377 | status=nf90_put_var(ncid, ncvarid, Awrk(Istr:), start, total)
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378 | nf_fwrite4d=status
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379 | END IF
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380 | # endif
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381 | !
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382 | !-----------------------------------------------------------------------
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383 | ! Deallocate scratch work array.
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384 | !-----------------------------------------------------------------------
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385 | !
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386 | IF (allocated(Awrk)) THEN
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387 | deallocate (Awrk)
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388 | END IF
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389 |
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390 | RETURN
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391 | END FUNCTION nf_fwrite4d
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392 |
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393 | #else
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394 |
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395 | !
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396 | !***********************************************************************
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397 | FUNCTION nf_fwrite4d (ng, model, ncid, ncvarid, tindex, gtype, &
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398 | & LBi, UBi, LBj, UBj, LBk, UBk, LBt, UBt, &
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399 | & Ascl, &
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400 | # ifdef MASKING
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401 | & Amask, &
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402 | # endif
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403 | & A, SetFillVal)
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404 | !***********************************************************************
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405 | !
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406 | USE mod_param
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407 | USE mod_parallel
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408 | USE mod_ncparam
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409 | USE mod_netcdf
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410 | USE mod_scalars
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411 |
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412 | # ifdef DISTRIBUTE
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413 | !
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414 | USE distribute_mod, ONLY : mp_bcasti
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415 | # ifdef INLINE_2DIO
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416 | USE distribute_mod, ONLY : mp_gather2d
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417 | # else
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418 | USE distribute_mod, ONLY : mp_gather3d
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419 | # endif
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420 | # endif
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421 | !
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422 | ! Imported variable declarations.
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423 | !
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424 | logical, intent(in), optional :: SetFillVal
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425 |
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426 | integer, intent(in) :: ng, model, ncid, ncvarid, tindex, gtype
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427 | integer, intent(in) :: LBi, UBi, LBj, UBj, LBk, UBk, LBt, UBt
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428 |
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429 | real(r8), intent(in) :: Ascl
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430 |
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431 | # ifdef ASSUMED_SHAPE
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432 | # ifdef MASKING
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433 | real(r8), intent(in) :: Amask(LBi:,LBj:)
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434 | # endif
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435 | real(r8), intent(in) :: A(LBi:,LBj:,LBk:,LBt:)
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436 | # else
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437 | # ifdef MASKING
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438 | real(r8), intent(in) :: Amask(LBi:UBi,LBj:UBj)
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439 | # endif
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440 | real(r8), intent(in) :: A(LBi:UBi,LBj:UBj,LBk:UBk,LBt:UBt)
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441 | # endif
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442 | !
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443 | ! Local variable declarations.
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444 | !
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445 | # ifdef MASKING
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446 | logical :: LandFill
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447 | # endif
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448 | integer :: i, j, k, ic, fourth, Npts
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449 | integer :: Imin, Imax, Jmin, Jmax, Kmin, Kmax, Koff, Loff
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450 | integer :: Ilen, Jlen, Klen, IJlen, MyType, status
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451 |
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452 | integer, dimension(5) :: start, total
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453 |
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454 | integer :: nf_fwrite4d
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455 |
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456 | # if defined INLINE_2DIO && defined DISTRIBUTE
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457 | real(r8), dimension((Lm(ng)+2)*(Mm(ng)+2)) :: Awrk
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458 | # else
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459 | real(r8), dimension((Lm(ng)+2)*(Mm(ng)+2)*(UBk-LBk+1)) :: Awrk
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460 | # endif
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461 | !
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462 | !-----------------------------------------------------------------------
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463 | ! Set starting and ending indices to process.
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464 | !-----------------------------------------------------------------------
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---|
465 | !
|
---|
466 | ! Set first and last grid point according to staggered C-grid
|
---|
467 | ! classification. Set loops offsets.
|
---|
468 | !
|
---|
469 | MyType=gtype
|
---|
470 |
|
---|
471 | SELECT CASE (ABS(MyType))
|
---|
472 | CASE (p2dvar, p3dvar)
|
---|
473 | Imin=IOBOUNDS(ng)%ILB_psi
|
---|
474 | Imax=IOBOUNDS(ng)%IUB_psi
|
---|
475 | Jmin=IOBOUNDS(ng)%JLB_psi
|
---|
476 | Jmax=IOBOUNDS(ng)%JUB_psi
|
---|
477 | CASE (r2dvar, r3dvar)
|
---|
478 | Imin=IOBOUNDS(ng)%ILB_rho
|
---|
479 | Imax=IOBOUNDS(ng)%IUB_rho
|
---|
480 | Jmin=IOBOUNDS(ng)%JLB_rho
|
---|
481 | Jmax=IOBOUNDS(ng)%JUB_rho
|
---|
482 | CASE (u2dvar, u3dvar)
|
---|
483 | Imin=IOBOUNDS(ng)%ILB_u
|
---|
484 | Imax=IOBOUNDS(ng)%IUB_u
|
---|
485 | Jmin=IOBOUNDS(ng)%JLB_u
|
---|
486 | Jmax=IOBOUNDS(ng)%JUB_u
|
---|
487 | CASE (v2dvar, v3dvar)
|
---|
488 | Imin=IOBOUNDS(ng)%ILB_v
|
---|
489 | Imax=IOBOUNDS(ng)%IUB_v
|
---|
490 | Jmin=IOBOUNDS(ng)%JLB_v
|
---|
491 | Jmax=IOBOUNDS(ng)%JUB_v
|
---|
492 | CASE DEFAULT
|
---|
493 | Imin=IOBOUNDS(ng)%ILB_rho
|
---|
494 | Imax=IOBOUNDS(ng)%IUB_rho
|
---|
495 | Jmin=IOBOUNDS(ng)%JLB_rho
|
---|
496 | Jmax=IOBOUNDS(ng)%JUB_rho
|
---|
497 | END SELECT
|
---|
498 |
|
---|
499 | Ilen=Imax-Imin+1
|
---|
500 | Jlen=Jmax-Jmin+1
|
---|
501 | Klen=UBk-LBk+1
|
---|
502 | IJlen=Ilen*Jlen
|
---|
503 |
|
---|
504 | IF (LBk.eq.0) THEN
|
---|
505 | Koff=0
|
---|
506 | ELSE
|
---|
507 | Koff=1
|
---|
508 | END IF
|
---|
509 |
|
---|
510 | IF (LBt.eq.0) THEN
|
---|
511 | Loff=1
|
---|
512 | ELSE
|
---|
513 | Loff=0
|
---|
514 | END IF
|
---|
515 |
|
---|
516 | # ifdef MASKING
|
---|
517 | !
|
---|
518 | ! Set switch to replace land areas with fill value, spval.
|
---|
519 | !
|
---|
520 | IF (PRESENT(SetFillVal)) THEN
|
---|
521 | LandFill=SetFillVal
|
---|
522 | ELSE
|
---|
523 | LandFill=tindex.gt.0
|
---|
524 | END IF
|
---|
525 | # endif
|
---|
526 | !
|
---|
527 | ! Initialize local array to avoid denormalized numbers. This
|
---|
528 | ! facilitates processing and debugging.
|
---|
529 | !
|
---|
530 | Awrk=0.0_r8
|
---|
531 |
|
---|
532 | # ifdef DISTRIBUTE
|
---|
533 | !
|
---|
534 | !-----------------------------------------------------------------------
|
---|
535 | ! If distributed-memory set-up, collect tile data from all spawned
|
---|
536 | ! nodes and store it into a global scratch 1D array, packed in column-
|
---|
537 | ! major order.
|
---|
538 | # ifdef MASKING
|
---|
539 | # ifdef WRITE_WATER
|
---|
540 | ! Remove land points and pack water points into 1D-array.
|
---|
541 | # else
|
---|
542 | ! Overwrite masked points with special value.
|
---|
543 | # endif
|
---|
544 | # endif
|
---|
545 | !-----------------------------------------------------------------------
|
---|
546 | !
|
---|
547 | !
|
---|
548 | DO fourth=LBt,UBt
|
---|
549 | # ifdef INLINE_2DIO
|
---|
550 |
|
---|
551 | ! If appropriate, process 3D data level by level to reduce memory
|
---|
552 | ! requirements.
|
---|
553 | !
|
---|
554 | DO k=LBk,UBk
|
---|
555 | CALL mp_gather2d (ng, model, LBi, UBi, LBj, UBj, &
|
---|
556 | & tindex, gtype, Ascl, &
|
---|
557 | # ifdef MASKING
|
---|
558 | & Amask, &
|
---|
559 | # endif
|
---|
560 | & A(:,:,k,fourth), Npts, Awrk, SetFillVal)
|
---|
561 | # else
|
---|
562 | CALL mp_gather3d (ng, model, LBi, UBi, LBj, UBj, LBk, UBk, &
|
---|
563 | & tindex, gtype, Ascl, &
|
---|
564 | # ifdef MASKING
|
---|
565 | & Amask, &
|
---|
566 | # endif
|
---|
567 | & A(:,:,:,fourth), Npts, Awrk, SetFillVal)
|
---|
568 | # endif
|
---|
569 |
|
---|
570 | !
|
---|
571 | !-----------------------------------------------------------------------
|
---|
572 | ! Write output buffer into NetCDF file.
|
---|
573 | !-----------------------------------------------------------------------
|
---|
574 | !
|
---|
575 | nf_fwrite4d=nf90_noerr
|
---|
576 | IF (OutThread) THEN
|
---|
577 | IF (gtype.gt.0) THEN
|
---|
578 | start(1)=1
|
---|
579 | total(1)=Ilen
|
---|
580 | start(2)=1
|
---|
581 | total(2)=Jlen
|
---|
582 | # ifdef INLINE_2DIO
|
---|
583 | start(3)=k-Koff+1
|
---|
584 | total(3)=1
|
---|
585 | # else
|
---|
586 | start(3)=1
|
---|
587 | total(3)=Klen
|
---|
588 | # endif
|
---|
589 | start(4)=fourth+Loff
|
---|
590 | total(4)=1
|
---|
591 | start(5)=tindex
|
---|
592 | total(5)=1
|
---|
593 | # ifdef MASKING
|
---|
594 | ELSE
|
---|
595 | start(1)=1+(fourth+Loff-1)*Npts
|
---|
596 | total(1)=Npts
|
---|
597 | start(2)=tindex
|
---|
598 | total(2)=1
|
---|
599 | # endif
|
---|
600 | END IF
|
---|
601 | # ifdef POSITIVE_ZERO
|
---|
602 | DO ic=1,Npts
|
---|
603 | IF (ABS(Awrk(ic)).eq.0.0_r8) THEN
|
---|
604 | Awrk(ic)=0.0_r8 ! impose positive zero
|
---|
605 | END IF
|
---|
606 | END DO
|
---|
607 | # endif
|
---|
608 | status=nf90_put_var(ncid, ncvarid, Awrk, start, total)
|
---|
609 | nf_fwrite4d=status
|
---|
610 | END IF
|
---|
611 | # ifdef INLINE_2DIO
|
---|
612 | END DO
|
---|
613 | # endif
|
---|
614 | END DO
|
---|
615 | # else
|
---|
616 | !
|
---|
617 | !-----------------------------------------------------------------------
|
---|
618 | ! If serial or shared-memory applications and serial output, pack data
|
---|
619 | ! into a global 1D array in column-major order.
|
---|
620 | # ifdef MASKING
|
---|
621 | # ifdef WRITE_WATER
|
---|
622 | ! Remove land points and pack water points into 1D-array.
|
---|
623 | # else
|
---|
624 | ! Overwrite masked points with special value.
|
---|
625 | # endif
|
---|
626 | # endif
|
---|
627 | !-----------------------------------------------------------------------
|
---|
628 | !
|
---|
629 | ! Process data as 3D slices.
|
---|
630 | !
|
---|
631 | DO fourth=LBt,UBt
|
---|
632 | IF (gtype.gt.0) THEN
|
---|
633 | ic=0
|
---|
634 | Npts=IJlen*Klen
|
---|
635 | DO k=LBk,UBk
|
---|
636 | DO j=Jmin,Jmax
|
---|
637 | DO i=Imin,Imax
|
---|
638 | ic=ic+1
|
---|
639 | Awrk(ic)=A(i,j,k,fourth)*Ascl
|
---|
640 | # ifdef MASKING
|
---|
641 | IF ((Amask(i,j).eq.0.0_r8).and.LandFill) THEN
|
---|
642 | Awrk(ic)=spval
|
---|
643 | END IF
|
---|
644 | # endif
|
---|
645 | END DO
|
---|
646 | END DO
|
---|
647 | END DO
|
---|
648 | # ifdef MASKING
|
---|
649 | ELSE
|
---|
650 | Npts=0
|
---|
651 | DO k=LBk,UBk
|
---|
652 | DO j=Jmin,Jmax
|
---|
653 | DO i=Imin,Imax
|
---|
654 | IF (Amask(i,j).gt.0.0_r8) THEN
|
---|
655 | Npts=Npts+1
|
---|
656 | Awrk(Npts)=A(i,j,k,fourth)*Ascl
|
---|
657 | END IF
|
---|
658 | END DO
|
---|
659 | END DO
|
---|
660 | END DO
|
---|
661 | # endif
|
---|
662 | END IF
|
---|
663 | !
|
---|
664 | !-----------------------------------------------------------------------
|
---|
665 | ! Write output buffer into NetCDF file.
|
---|
666 | !-----------------------------------------------------------------------
|
---|
667 | !
|
---|
668 | nf_fwrite4d=nf90_noerr
|
---|
669 | IF (OutThread) THEN
|
---|
670 | IF (gtype.gt.0) THEN
|
---|
671 | start(1)=1
|
---|
672 | total(1)=Ilen
|
---|
673 | start(2)=1
|
---|
674 | total(2)=Jlen
|
---|
675 | start(3)=1
|
---|
676 | total(3)=Klen
|
---|
677 | start(4)=fourth+Loff
|
---|
678 | total(4)=1
|
---|
679 | start(5)=tindex
|
---|
680 | total(5)=1
|
---|
681 | # ifdef MASKING
|
---|
682 | ELSE
|
---|
683 | start(1)=1+(fourth+Loff-1)*Npts
|
---|
684 | total(1)=Npts
|
---|
685 | start(2)=tindex
|
---|
686 | total(2)=1
|
---|
687 | # endif
|
---|
688 | END IF
|
---|
689 | # ifdef POSITIVE_ZERO
|
---|
690 | DO ic=1,Npts
|
---|
691 | IF (ABS(Awrk(ic)).eq.0.0_r8) THEN
|
---|
692 | Awrk(ic)=0.0_r8 ! impose positive zero
|
---|
693 | END IF
|
---|
694 | END DO
|
---|
695 | # endif
|
---|
696 | status=nf90_put_var(ncid, ncvarid, Awrk, start, total)
|
---|
697 | END IF
|
---|
698 | END DO
|
---|
699 | # endif
|
---|
700 | # ifdef DISTRIBUTE
|
---|
701 | !
|
---|
702 | !-----------------------------------------------------------------------
|
---|
703 | ! Broadcast IO error flag to all nodes.
|
---|
704 | !-----------------------------------------------------------------------
|
---|
705 | !
|
---|
706 | CALL mp_bcasti (ng, model, status)
|
---|
707 | # endif
|
---|
708 | nf_fwrite4d=status
|
---|
709 |
|
---|
710 | RETURN
|
---|
711 | END FUNCTION nf_fwrite4d
|
---|
712 | #endif
|
---|
713 | END MODULE nf_fwrite4d_mod
|
---|