1 | !************************************************************************ |
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2 | ! Fortran 95 OPA Nesting tools * |
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3 | ! * |
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4 | ! Copyright (C) 2005 Florian Lemarié (Florian.Lemarie@imag.fr) * |
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5 | ! * |
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6 | !************************************************************************ |
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7 | ! |
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8 | MODULE agrif_interpolation |
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9 | ! |
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10 | USE agrif_types |
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11 | USE io_netcdf |
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12 | USE bicubic_interp |
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13 | USE bilinear_interp |
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14 | USE agrif_extrapolation |
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15 | USE agrif_readwrite |
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16 | ! |
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17 | ! |
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18 | !************************************************************************ |
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19 | ! * |
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20 | ! MODULE AGRIF_INTERPOLATION * |
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21 | ! * |
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22 | ! module containing subroutine used for : * |
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23 | ! - Forcing data interpolation * |
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24 | ! - Parent to Child coordinates interpolation * |
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25 | ! * |
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26 | !************************************************************************ |
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27 | ! |
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28 | ! |
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29 | CONTAINS |
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30 | ! |
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31 | ! |
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32 | !**************************************************************** |
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33 | ! subroutine agrif_interp * |
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34 | ! * |
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35 | ! subroutine to interpolate coordinates * |
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36 | ! * |
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37 | ! - input : * |
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38 | ! tabin : coarse grid coordinate variable * |
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39 | ! typevar : position of interpolated variable on cells * |
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40 | ! * |
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41 | ! - ouput : * |
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42 | ! tabout : coordinate variable interpolated on fine grid * |
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43 | ! * |
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44 | !**************************************************************** |
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45 | ! |
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46 | SUBROUTINE agrif_interp(tabin,tabout,typevar) |
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47 | ! |
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48 | REAL*8,DIMENSION(:,:) :: tabin,tabout |
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49 | CHARACTER(*) :: typevar |
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50 | REAL*8 :: cff1 |
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51 | INTEGER :: ii,jj |
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52 | REAL*8,DIMENSION(:,:),ALLOCATABLE :: tabouttemp |
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53 | ! |
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54 | ! |
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55 | ! |
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56 | IF( ln_agrif_domain ) THEN |
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57 | CALL agrif_base_interp2(tabin,tabout,imin,jmin,typevar) |
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58 | ELSE |
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59 | CALL agrif_base_interp3(tabin,tabout,imin,jmin,typevar) |
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60 | ENDIF |
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61 | |
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62 | ! |
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63 | END SUBROUTINE agrif_interp |
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64 | ! |
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65 | ! |
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66 | SUBROUTINE agrif_base_interp2(tabin,tabout,i_min,j_min,typevar) |
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67 | ! |
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68 | IMPLICIT NONE |
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69 | REAL*8,DIMENSION(:,:) :: tabin,tabout |
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70 | REAL*8 :: cff1 |
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71 | INTEGER :: i_min,j_min |
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72 | INTEGER :: ii,jj,i,j |
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73 | CHARACTER(*) :: typevar |
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74 | REAL*8,DIMENSION(:),ALLOCATABLE :: xc,yc,xf,yf |
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75 | REAL*8,DIMENSION(:,:),ALLOCATABLE :: tabtemp |
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76 | REAL*8 :: dxc,dyc,dxf,dyf |
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77 | REAL*8 :: decalxc,decalyc,decalxf,decalyf |
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78 | |
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79 | INTEGER :: ptx,pty |
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80 | REAL*8 :: val(4),xval(4) |
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81 | |
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82 | INTEGER :: nxc,nyc,nxf,nyf |
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83 | REAL :: xmin,ymin,x,y |
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84 | INTEGER :: ic,jc,itemp,jtemp |
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85 | |
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86 | nxc = SIZE(tabin,1) |
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87 | nyc = SIZE(tabin,2) |
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88 | |
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89 | nxf = SIZE(tabout,1) |
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90 | nyf = SIZE(tabout,2) |
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91 | ! |
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92 | |
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93 | ALLOCATE(xc(nxc)) |
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94 | ALLOCATE(yc(nyc)) |
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95 | ALLOCATE(xf(nxf)) |
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96 | ALLOCATE(yf(nyf)) |
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97 | |
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98 | ALLOCATE(tabtemp(nxc,nyf)) |
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99 | |
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100 | dxc = 1. |
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101 | dyc = 1. |
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102 | dxf = 1./REAL(irafx) |
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103 | dyf = 1./REAL(irafy) |
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104 | |
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105 | IF (typevar .EQ. 'F') THEN |
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106 | ptx = 1 + nbghostcellsfine |
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107 | pty = 1 + nbghostcellsfine |
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108 | decalxc = 0. |
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109 | decalyc = 0. |
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110 | decalxf = 0. |
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111 | decalyf = 0. |
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112 | ELSEIF (typevar .EQ. 'T') THEN |
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113 | ptx = 2 + nbghostcellsfine |
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114 | pty = 2 + nbghostcellsfine |
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115 | decalxc = dxc/2. |
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116 | decalyc = dyc/2. |
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117 | decalxf = dxf/2. |
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118 | decalyf = dyf/2. |
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119 | ELSEIF (typevar .EQ. 'U') THEN |
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120 | ptx = 1 + nbghostcellsfine |
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121 | pty = 2 + nbghostcellsfine |
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122 | decalxc = 0. |
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123 | decalyc = dyc/2. |
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124 | decalxf = 0. |
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125 | decalyf = dyf/2. |
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126 | ELSEIF (typevar .EQ. 'V') THEN |
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127 | ptx = 2 + nbghostcellsfine |
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128 | pty = 1 + nbghostcellsfine |
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129 | decalxc = dxc/2. |
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130 | decalyc = 0. |
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131 | decalxf = dxf/2. |
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132 | decalyf = 0. |
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133 | ENDIF |
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134 | |
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135 | DO i=1,nxc |
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136 | xc(i) = 0. + (i-ptx) * dxc + decalxc |
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137 | ENDDO |
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138 | |
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139 | DO j=1,nyc |
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140 | yc(j) = 0. + (j-pty) * dyc + decalyc |
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141 | ENDDO |
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142 | |
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143 | |
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144 | xmin = (i_min - 1) * dxc |
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145 | ymin = (j_min - 1) * dyc |
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146 | |
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147 | DO i=1,nxf |
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148 | xf(i) = xmin + (i-ptx) * dxf + decalxf |
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149 | ENDDO |
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150 | |
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151 | DO j=1,nyf |
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152 | yf(j) = ymin + (j-pty) * dyf + decalyf |
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153 | ENDDO |
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154 | |
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155 | |
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156 | DO j = 1,nyf |
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157 | DO i = 1,nxc |
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158 | x = xc(i) |
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159 | y = yf(j) |
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160 | |
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161 | ic = ptx + NINT((x-0.-decalxc)/dxc) |
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162 | jc = pty + agrif_int((y-0.-decalyc)/dyc) |
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163 | |
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164 | jc = jc - 1 |
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165 | |
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166 | CALL polint(yc(jc:jc+3),tabin(ic,jc:jc+3),4,y,tabtemp(i,j)) |
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167 | ENDDO |
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168 | ENDDO |
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169 | |
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170 | DO j = 1,nyf |
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171 | DO i = 1,nxf |
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172 | x = xf(i) |
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173 | y = yf(j) |
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174 | |
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175 | itemp = ptx + agrif_int((x-0.-decalxc)/dxc) |
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176 | jtemp = pty + NINT((y-ymin-decalyf)/dyf) |
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177 | |
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178 | itemp = itemp - 1 |
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179 | |
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180 | val = tabtemp(itemp:itemp+3,jtemp) |
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181 | xval = xc(itemp:itemp+3) |
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182 | CALL polint(xval,val,4,x,tabout(i,j)) |
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183 | |
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184 | ENDDO |
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185 | ENDDO |
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186 | |
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187 | DEALLOCATE(xc,yc,xf,yf,tabtemp) |
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188 | |
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189 | |
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190 | END SUBROUTINE agrif_base_interp2 |
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191 | ! |
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192 | ! |
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193 | SUBROUTINE agrif_base_interp3(tabin,tabout,i_min,j_min,typevar) |
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194 | ! |
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195 | IMPLICIT NONE |
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196 | REAL*8,DIMENSION(:,:) :: tabin,tabout |
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197 | INTEGER :: i_min,j_min |
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198 | CHARACTER(*) :: typevar |
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199 | |
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200 | INTEGER :: nxf,nyf,zx,zy |
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201 | INTEGER :: ji,jj,jif,jjf,jic,jjc,jdecx,jdecy |
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202 | REAL*8 :: Ax, Bx, Ay, By |
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203 | |
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204 | nxf = SIZE(tabout,1) |
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205 | nyf = SIZE(tabout,2) |
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206 | |
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207 | SELECT CASE(typevar) |
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208 | CASE('T') |
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209 | IF(MOD(irafx,2)==1) THEN ! odd |
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210 | zx = 1 ; zy = 1 ; jdecx = FLOOR(irafx/2.) ; jdecy = FLOOR(irafy/2.) |
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211 | ELSE ! even |
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212 | zx = 2 ; zy = 2 ; jdecx = FLOOR(irafx/2.) ; jdecy = FLOOR(irafy/2.) |
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213 | ENDIF |
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214 | CASE('U') |
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215 | IF(MOD(irafx,2)==1) THEN ! odd |
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216 | zx = 1 ; zy = 1 ; jdecx = irafx - 1 ; jdecy = FLOOR(irafy/2.) |
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217 | ELSE ! even |
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218 | zx = 1 ; zy = 2 ; jdecx = irafx - 1 ; jdecy = FLOOR(irafy/2.) |
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219 | ENDIF |
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220 | CASE('V') |
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221 | IF(MOD(irafx,2)==1) THEN ! odd |
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222 | zx = 1 ; zy = 1 ; jdecx = FLOOR(irafx/2.) ; jdecy = irafy - 1 |
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223 | ELSE ! even |
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224 | zx = 2 ; zy = 1 ; jdecx = FLOOR(irafx/2.) ; jdecy = irafy - 1 |
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225 | ENDIF |
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226 | CASE('F') |
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227 | IF(MOD(irafx,2)==1) THEN ! odd |
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228 | zx = 1 ; zy = 1 ; jdecx = irafx - 1 ; jdecy = irafy - 1 |
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229 | ELSE ! even |
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230 | zx = 1 ; zy = 1 ; jdecx = irafx - 1 ; jdecy = irafy - 1 |
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231 | ENDIF |
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232 | END SELECT |
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233 | |
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234 | |
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235 | DO jj = 1, nyf |
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236 | |
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237 | jjf = jj - jdecy |
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238 | jjc = j_min + FLOOR((jjf-1.) / irafy) |
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239 | |
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240 | DO ji = 1, nxf |
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241 | |
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242 | jif = ji - jdecx |
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243 | jic = i_min + FLOOR((jif-1.) / irafx) |
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244 | |
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245 | Bx = MOD( zx*jif-1, zx*irafx ) / REAL(zx*irafx) |
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246 | By = MOD( zy*jjf-1, zy*irafy ) / REAL(zy*irafy) |
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247 | Ax = 1. - Bx |
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248 | Ay = 1. - By |
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249 | |
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250 | tabout(ji,jj) = ( Bx * tabin(jic+1,jjc ) + Ax * tabin(jic,jjc ) ) * Ay + & |
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251 | & ( Bx * tabin(jic+1,jjc+1) + Ax * tabin(jic,jjc+1) ) * By |
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252 | END DO |
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253 | END DO |
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254 | |
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255 | ! |
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256 | END SUBROUTINE agrif_base_interp3 |
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257 | |
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258 | ! |
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259 | SUBROUTINE polint(xin,valin,n,x,val) |
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260 | IMPLICIT NONE |
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261 | INTEGER n |
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262 | REAL*8 xin(n), valin(n) |
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263 | REAL*8 x,val |
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264 | |
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265 | INTEGER ns,i,m |
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266 | REAL *8 dif,dift |
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267 | REAL*8 c(n),d(n),ho,hp,w,den,dy |
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268 | |
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269 | ns = 1 |
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270 | dif = ABS(x-xin(1)) |
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271 | |
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272 | DO i=1,n |
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273 | dift = ABS(x-xin(i)) |
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274 | IF (dift < dif) THEN |
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275 | ns = i |
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276 | dif = dift |
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277 | ENDIF |
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278 | c(i) = valin(i) |
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279 | d(i) = valin(i) |
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280 | ENDDO |
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281 | |
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282 | val = valin(ns) |
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283 | ns = ns - 1 |
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284 | |
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285 | DO m=1,n-1 |
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286 | DO i=1,n-m |
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287 | ho = xin(i)-x |
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288 | hp = xin(i+m)-x |
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289 | w=c(i+1)-d(i) |
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290 | den = w/(ho-hp) |
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291 | d(i) = hp * den |
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292 | c(i) = ho * den |
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293 | ENDDO |
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294 | IF (2*ns < (n-m)) THEN |
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295 | dy = c(ns+1) |
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296 | ELSE |
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297 | dy = d(ns) |
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298 | ns = ns - 1 |
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299 | ENDIF |
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300 | val = val + dy |
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301 | ENDDO |
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302 | END SUBROUTINE polint |
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303 | ! |
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304 | ! |
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305 | SUBROUTINE polcoe(xin,valin,n,cof) |
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306 | IMPLICIT NONE |
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307 | INTEGER n |
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308 | REAL*8 xin(n),valin(n),cof(n) |
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309 | |
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310 | |
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311 | INTEGER i,j,k |
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312 | REAL*8 b,ff,phi,s(n) |
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313 | |
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314 | s = 0. |
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315 | cof = 0. |
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316 | |
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317 | s(n)=-xin(1) |
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318 | DO i=2,n |
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319 | DO j=n+1-i,n-1 |
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320 | s(j) =s(j) -xin(i)*s(j+1) |
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321 | ENDDO |
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322 | s(n)=s(n)-xin(i) |
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323 | ENDDO |
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324 | |
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325 | DO j=1,n |
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326 | phi=n |
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327 | DO k=n-1,1,-1 |
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328 | phi = k*s(k+1)+xin(j)*phi |
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329 | ENDDO |
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330 | ff=valin(j)/phi |
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331 | b=1. |
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332 | DO k=n,1,-1 |
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333 | cof(k)=cof(k)+b*ff |
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334 | b=s(k)+xin(j)*b |
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335 | ENDDO |
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336 | ENDDO |
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337 | |
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338 | RETURN |
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339 | END SUBROUTINE polcoe |
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340 | ! |
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341 | |
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342 | !**************************************************************** |
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343 | ! subroutine Correctforconservation * |
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344 | ! * |
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345 | ! Conservation on domain boundaries ( over 2 coarse grid cells) * |
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346 | ! * |
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347 | !**************************************************************** |
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348 | ! |
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349 | ! |
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350 | SUBROUTINE Correctforconservation(tabcoarse,tabfine,e1parent,e2parent,e1,e2,nxfin,nyfin,posvar,i_min,j_min) |
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351 | IMPLICIT NONE |
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352 | INTEGER :: nxfin,nyfin |
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353 | REAL*8,DIMENSION(:,:) :: tabcoarse,tabfine,e1parent,e2parent,e1,e2 |
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354 | CHARACTER*1 :: posvar |
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355 | INTEGER :: i_min,j_min,diff |
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356 | INTEGER ji,jj,ipt,jpt,i,j |
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357 | INTEGER ind1,ind2,ind3,ind4,ind5,ind6 |
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358 | REAL*8 cff1,cff2,cff3 |
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359 | ! |
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360 | diff = 0 |
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361 | IF ( MOD(irafx,2) .EQ. 0 ) diff = 1 |
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362 | ! |
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363 | ind1 = 2 + CEILING(irafx/2.0) + diff |
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364 | ind2 = nxfin-(2-1)-CEILING(irafx/2.0) |
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365 | ind3 = 2 + CEILING(irafy/2.0) + diff |
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366 | ind4 = nyfin-(2-1)-CEILING(irafy/2.0) |
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367 | ind5 = nxfin - 1 - irafx - CEILING(irafx/2.0) |
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368 | ind6 = nyfin - 1 - irafy - CEILING(irafy/2.0) |
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369 | ! |
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370 | IF (posvar.EQ.'T') THEN |
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371 | ! |
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372 | PRINT *,'correction' |
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373 | ! |
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374 | DO ji=ind1,ind1+irafx,irafx |
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375 | ! |
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376 | ipt=i_min+(3-1)+(ji-ind1)/irafx |
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377 | ! |
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378 | DO jj=ind3,ind4,irafy |
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379 | ! |
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380 | jpt=j_min+(3-1)+(jj-ind3)/irafy |
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381 | |
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382 | cff1=SUM(e1(ji-FLOOR(irafx/2.0):ji+FLOOR(irafx/2.0)-diff,jj-FLOOR(irafy/2.0):jj+FLOOR(irafy/2.0)-diff)* & |
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383 | e2(ji-FLOOR(irafx/2.0):ji+FLOOR(irafx/2.0)-diff,jj-FLOOR(irafy/2.0):jj+FLOOR(irafy/2.0)-diff)) |
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384 | |
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385 | cff2=SUM(e1(ji-FLOOR(irafx/2.0):ji+FLOOR(irafx/2.0)-diff,jj-FLOOR(irafy/2.0):jj+FLOOR(irafy/2.0)-diff)* & |
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386 | e2(ji-FLOOR(irafx/2.0):ji+FLOOR(irafx/2.0)-diff,jj-FLOOR(irafy/2.0):jj+FLOOR(irafy/2.0)-diff)* & |
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387 | tabfine(ji-FLOOR(irafx/2.0):ji+FLOOR(irafx/2.0)-diff,jj-FLOOR(irafy/2.0):jj+FLOOR(irafy/2.0)-diff)) |
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388 | |
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389 | cff3=e1parent(ipt,jpt)*e2parent(ipt,jpt)*tabcoarse(ipt,jpt) |
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390 | |
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391 | tabfine(ji-FLOOR(irafx/2.0):ji+FLOOR(irafx/2.0)-diff,jj-FLOOR(irafy/2.0):jj+FLOOR(irafy/2.0)-diff)= & |
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392 | tabfine(ji-FLOOR(irafx/2.0):ji+FLOOR(irafx/2.0)-diff,jj-FLOOR(irafy/2.0):jj+FLOOR(irafy/2.0)-diff)+(cff3-cff2)/cff1 |
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393 | |
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394 | END DO |
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395 | |
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396 | ENDDO |
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397 | !**** |
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398 | DO ji=ind5,ind5+irafx,irafx |
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399 | ! |
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400 | ipt=i_min+(3-1)+(ji-ind1)/irafx |
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401 | |
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402 | DO jj=ind3,ind4,irafy |
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403 | jpt=j_min+(3-1)+(jj-ind3)/irafy |
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404 | |
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405 | cff1=SUM(e1(ji-FLOOR(irafx/2.0):ji+FLOOR(irafx/2.0)-diff,jj-FLOOR(irafy/2.0):jj+FLOOR(irafy/2.0)-diff)* & |
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406 | e2(ji-FLOOR(irafx/2.0):ji+FLOOR(irafx/2.0)-diff,jj-FLOOR(irafy/2.0):jj+FLOOR(irafy/2.0)-diff)) |
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407 | |
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408 | cff2=SUM(e1(ji-FLOOR(irafx/2.0):ji+FLOOR(irafx/2.0)-diff,jj-FLOOR(irafy/2.0):jj+FLOOR(irafy/2.0)-diff)* & |
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409 | e2(ji-FLOOR(irafx/2.0):ji+FLOOR(irafx/2.0)-diff,jj-FLOOR(irafy/2.0):jj+FLOOR(irafy/2.0)-diff)* & |
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410 | tabfine(ji-FLOOR(irafx/2.0):ji+FLOOR(irafx/2.0)-diff,jj-FLOOR(irafy/2.0):jj+FLOOR(irafy/2.0)-diff)) |
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411 | |
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412 | cff3=e1parent(ipt,jpt)*e2parent(ipt,jpt)*tabcoarse(ipt,jpt) |
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413 | |
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414 | tabfine(ji-FLOOR(irafx/2.0):ji+FLOOR(irafx/2.0)-diff,jj-FLOOR(irafy/2.0):jj+FLOOR(irafy/2.0)-diff)= & |
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415 | tabfine(ji-FLOOR(irafx/2.0):ji+FLOOR(irafx/2.0)-diff,jj-FLOOR(irafy/2.0):jj+FLOOR(irafy/2.0)-diff)+(cff3-cff2)/cff1 |
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416 | |
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417 | END DO |
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418 | ENDDO |
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419 | |
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420 | DO jj=ind3,ind3+irafy,irafy |
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421 | ! |
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422 | jpt=j_min+(3-1)+(jj-ind3)/irafy |
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423 | ! |
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424 | DO ji=ind1,ind2,irafx |
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425 | ! |
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426 | ipt=i_min+(3-1)+(ji-ind1)/irafx |
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427 | |
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428 | cff1=SUM(e1(ji-FLOOR(irafx/2.0):ji+FLOOR(irafx/2.0)-diff,jj-FLOOR(irafy/2.0):jj+FLOOR(irafy/2.0)-diff)* & |
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429 | e2(ji-FLOOR(irafx/2.0):ji+FLOOR(irafx/2.0)-diff,jj-FLOOR(irafy/2.0):jj+FLOOR(irafy/2.0)-diff)) |
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430 | |
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431 | cff2=SUM(e1(ji-FLOOR(irafx/2.0):ji+FLOOR(irafx/2.0)-diff,jj-FLOOR(irafy/2.0):jj+FLOOR(irafy/2.0)-diff)* & |
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432 | e2(ji-FLOOR(irafx/2.0):ji+FLOOR(irafx/2.0)-diff,jj-FLOOR(irafy/2.0):jj+FLOOR(irafy/2.0)-diff)* & |
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433 | tabfine(ji-FLOOR(irafx/2.0):ji+FLOOR(irafx/2.0)-diff,jj-FLOOR(irafy/2.0):jj+FLOOR(irafy/2.0)-diff)) |
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434 | |
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435 | cff3=e1parent(ipt,jpt)*e2parent(ipt,jpt)*tabcoarse(ipt,jpt) |
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436 | |
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437 | tabfine(ji-FLOOR(irafx/2.0):ji+FLOOR(irafx/2.0)-diff,jj-FLOOR(irafy/2.0):jj+FLOOR(irafy/2.0)-diff)= & |
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438 | tabfine(ji-FLOOR(irafx/2.0):ji+FLOOR(irafx/2.0)-diff,jj-FLOOR(irafy/2.0):jj+FLOOR(irafy/2.0)-diff)+(cff3-cff2)/cff1 |
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439 | |
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440 | END DO |
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441 | ENDDO |
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442 | !**** |
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443 | DO jj=ind6,ind6+irafy,irafy |
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444 | ! |
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445 | jpt=j_min+(3-1)+(jj-ind3)/irafy |
---|
446 | ! |
---|
447 | DO ji=ind1,ind2,irafx |
---|
448 | ipt=i_min+(3-1)+(ji-ind1)/irafx |
---|
449 | |
---|
450 | cff1=SUM(e1(ji-FLOOR(irafx/2.0):ji+FLOOR(irafx/2.0)-diff,jj-FLOOR(irafy/2.0):jj+FLOOR(irafy/2.0)-diff)* & |
---|
451 | e2(ji-FLOOR(irafx/2.0):ji+FLOOR(irafx/2.0)-diff,jj-FLOOR(irafy/2.0):jj+FLOOR(irafy/2.0)-diff)) |
---|
452 | |
---|
453 | cff2=SUM(e1(ji-FLOOR(irafx/2.0):ji+FLOOR(irafx/2.0)-diff,jj-FLOOR(irafy/2.0):jj+FLOOR(irafy/2.0)-diff)* & |
---|
454 | e2(ji-FLOOR(irafx/2.0):ji+FLOOR(irafx/2.0)-diff,jj-FLOOR(irafy/2.0):jj+FLOOR(irafy/2.0)-diff)* & |
---|
455 | tabfine(ji-FLOOR(irafx/2.0):ji+FLOOR(irafx/2.0)-diff,jj-FLOOR(irafy/2.0):jj+FLOOR(irafy/2.0)-diff)) |
---|
456 | |
---|
457 | cff3=e1parent(ipt,jpt)*e2parent(ipt,jpt)*tabcoarse(ipt,jpt) |
---|
458 | |
---|
459 | tabfine(ji-FLOOR(irafx/2.0):ji+FLOOR(irafx/2.0)-diff,jj-FLOOR(irafy/2.0):jj+FLOOR(irafy/2.0)-diff)= & |
---|
460 | tabfine(ji-FLOOR(irafx/2.0):ji+FLOOR(irafx/2.0)-diff,jj-FLOOR(irafy/2.0):jj+FLOOR(irafy/2.0)-diff)+(cff3-cff2)/cff1 |
---|
461 | |
---|
462 | END DO |
---|
463 | ENDDO |
---|
464 | ! |
---|
465 | ! |
---|
466 | ENDIF |
---|
467 | RETURN |
---|
468 | END SUBROUTINE Correctforconservation |
---|
469 | |
---|
470 | ! |
---|
471 | !**************************************************************** |
---|
472 | ! subroutine Interp_Extrap_var * |
---|
473 | ! * |
---|
474 | ! Interpolation and Extrapolation for temperature and salinity * |
---|
475 | ! * |
---|
476 | ! -input : * |
---|
477 | ! filename : file containing variable to interpolate * |
---|
478 | ! * |
---|
479 | !**************************************************************** |
---|
480 | ! |
---|
481 | SUBROUTINE Interp_Extrap_var(filename, cd_type) |
---|
482 | ! |
---|
483 | IMPLICIT NONE |
---|
484 | ! |
---|
485 | ! variables declaration |
---|
486 | ! |
---|
487 | CHARACTER(len=80),INTENT(in) :: filename |
---|
488 | CHARACTER(len=1 ), OPTIONAL, INTENT(in) :: cd_type |
---|
489 | |
---|
490 | CHARACTER*100 :: interp_type |
---|
491 | CHARACTER*100 :: Child_file,Childcoordinates |
---|
492 | CHARACTER*100 :: varname,childbathy |
---|
493 | CHARACTER*1 :: posvar |
---|
494 | CHARACTER*20,DIMENSION(:),POINTER :: Ncdf_varname |
---|
495 | CHARACTER(len=20),DIMENSION(4) :: dimnames |
---|
496 | ! |
---|
497 | REAL*8, POINTER, DIMENSION(:,:) :: lonParent,latParent => NULL() |
---|
498 | REAL*8, POINTER, DIMENSION(:,:) :: lonChild,latChild,latlon_temp => NULL() |
---|
499 | REAL*8, POINTER, DIMENSION(:,:,:,:) :: tabinterp4d,tabvar1,tabvar2,tabvar3 => NULL() |
---|
500 | REAL*8, POINTER, DIMENSION(:,:,:) :: tabinterp3d,tabvar3d => NULL() |
---|
501 | REAL*8, POINTER, DIMENSION(:) :: timedepth_temp,depth => NULL() |
---|
502 | REAL*8,DIMENSION(:,:),POINTER :: matrix => NULL() |
---|
503 | INTEGER,DIMENSION(:),POINTER :: src_add,dst_add => NULL() |
---|
504 | INTEGER, POINTER, DIMENSION(:) :: tabtemp1DInt => NULL() |
---|
505 | REAL*8, POINTER, DIMENSION(:) :: nav_lev => NULL() |
---|
506 | ! |
---|
507 | LOGICAL, DIMENSION(:,:,:), POINTER :: detected_pts => NULL() |
---|
508 | REAL*8,DIMENSION(:,:,:),POINTER :: mask => NULL() |
---|
509 | LOGICAL,DIMENSION(:,:),POINTER :: masksrc => NULL() |
---|
510 | LOGICAL :: Interpolation,conservation,Pacifique,Extrapolation,land_level |
---|
511 | ! |
---|
512 | INTEGER :: deptht,time,i,status,ncid,t,ii,j,nb,numlon,numlat |
---|
513 | |
---|
514 | ! |
---|
515 | TYPE(Coordinates) :: G0,G1 |
---|
516 | ! |
---|
517 | !***************** |
---|
518 | !If coarse grid is masked possibility to activate an extrapolation process |
---|
519 | ! |
---|
520 | Extrapolation = .FALSE. |
---|
521 | PRINT*,'DEBUT INTERP_EXTRAP_VAR' |
---|
522 | ! |
---|
523 | !***************** |
---|
524 | ! |
---|
525 | ! check grid position |
---|
526 | ! |
---|
527 | IF( PRESENT(cd_type) ) THEN |
---|
528 | posvar = cd_type |
---|
529 | ELSE |
---|
530 | posvar = 'T' |
---|
531 | ENDIF |
---|
532 | |
---|
533 | ! |
---|
534 | ! read dimensions in netcdf file |
---|
535 | ! |
---|
536 | CALL Read_Ncdf_dim('x',filename,numlon) |
---|
537 | CALL Read_Ncdf_dim('y',filename,numlat) |
---|
538 | CALL Read_Ncdf_dim('time_counter',filename,time) |
---|
539 | IF ( Dims_Existence( 'deptht' , filename ) ) THEN |
---|
540 | CALL Read_Ncdf_dim('deptht',filename,deptht) |
---|
541 | ELSE IF ( Dims_Existence( 'depthu' , filename ) ) THEN |
---|
542 | CALL Read_Ncdf_dim('depthu',filename,deptht) |
---|
543 | ELSE IF ( Dims_Existence( 'depthv' , filename ) ) THEN |
---|
544 | CALL Read_Ncdf_dim('depthv',filename,deptht) |
---|
545 | ELSE IF ( Dims_Existence( 'depthw' , filename ) ) THEN |
---|
546 | CALL Read_Ncdf_dim('depthw',filename,deptht) |
---|
547 | ELSE IF ( Dims_Existence( 'z' , filename ) ) THEN |
---|
548 | CALL Read_Ncdf_dim('z',filename,deptht) |
---|
549 | ELSE |
---|
550 | deptht = N |
---|
551 | ENDIF |
---|
552 | |
---|
553 | ! |
---|
554 | ! retrieve netcdf variable name |
---|
555 | ! |
---|
556 | CALL Read_Ncdf_VarName(filename,Ncdf_varname) |
---|
557 | ! |
---|
558 | ! define name of child grid file |
---|
559 | ! |
---|
560 | CALL set_child_name(filename,Child_file) |
---|
561 | CALL set_child_name(parent_coordinate_file,Childcoordinates) |
---|
562 | CALL set_child_name(parent_meshmask_file,childbathy) |
---|
563 | WRITE(*,*) 'Child grid file name = ',TRIM(Child_file) |
---|
564 | ! |
---|
565 | ! create this file |
---|
566 | ! |
---|
567 | status = nf90_create(Child_file,NF90_WRITE,ncid) |
---|
568 | status = nf90_close(ncid) |
---|
569 | ! |
---|
570 | ! read coordinates of both domains |
---|
571 | ! |
---|
572 | status = Read_Coordinates(parent_coordinate_file,G0) |
---|
573 | status = Read_Coordinates(Childcoordinates,G1,Pacifique) |
---|
574 | ! |
---|
575 | ! check consistency of informations read in namelist |
---|
576 | ! |
---|
577 | IF( imax > SIZE(G0%glamt,1) .OR. jmax > SIZE(G0%glamt,2) .OR. & |
---|
578 | imax <= imin .OR. jmax <= jmin ) THEN |
---|
579 | WRITE(*,*) 'ERROR ***** bad child grid definition ...' |
---|
580 | WRITE(*,*) 'please check imin,jmin,imax,jmax,jpizoom,jpjzoom values' |
---|
581 | WRITE(*,*) ' ' |
---|
582 | STOP |
---|
583 | ENDIF |
---|
584 | ! |
---|
585 | IF( SIZE(G1%nav_lon,1) .NE. nxfin .OR. SIZE(G1%nav_lon,2) .NE. nyfin ) THEN |
---|
586 | WRITE(*,*) 'ERROR ***** bad child coordinates or bathy file ...' |
---|
587 | WRITE(*,*) ' ' |
---|
588 | WRITE(*,*) 'please check that child coordinates file and child bathymetry file' |
---|
589 | WRITE(*,*) 'has been created with the current namelist ' |
---|
590 | WRITE(*,*) ' ' |
---|
591 | STOP |
---|
592 | ENDIF |
---|
593 | ! |
---|
594 | |
---|
595 | ! |
---|
596 | ! Initialization of T-mask thanks to bathymetry |
---|
597 | ! |
---|
598 | IF( Extrapolation ) THEN |
---|
599 | |
---|
600 | WRITE(*,*) 'mask initialisation on coarse and fine grids' |
---|
601 | ! |
---|
602 | ALLOCATE(mask(numlon,numlat,N)) |
---|
603 | CALL Init_mask(childbathy,G1,1,1) |
---|
604 | CALL Init_mask(parent_meshmask_file,G0,1,1) |
---|
605 | ! |
---|
606 | ENDIF |
---|
607 | |
---|
608 | ! |
---|
609 | ! select coordinates to use according to variable position |
---|
610 | ! |
---|
611 | ALLOCATE(lonParent(numlon,numlat),latParent(numlon,numlat)) |
---|
612 | ALLOCATE(lonChild(nxfin,nyfin),latChild(nxfin,nyfin)) |
---|
613 | |
---|
614 | SELECT CASE(posvar) |
---|
615 | CASE('T') |
---|
616 | lonParent = G0%glamt |
---|
617 | latParent = G0%gphit |
---|
618 | lonChild = G1%glamt |
---|
619 | latChild = G1%gphit |
---|
620 | mask = G1%tmask |
---|
621 | CASE('U') |
---|
622 | lonParent = G0%glamu |
---|
623 | latParent = G0%gphiu |
---|
624 | lonChild = G1%glamu |
---|
625 | latChild = G1%gphiu |
---|
626 | mask = G1%umask |
---|
627 | CASE('V') |
---|
628 | lonParent = G0%glamv |
---|
629 | latParent = G0%gphiv |
---|
630 | lonChild = G1%glamv |
---|
631 | latChild = G1%gphiv |
---|
632 | mask = G1%vmask |
---|
633 | END SELECT |
---|
634 | |
---|
635 | DEALLOCATE(G0%glamu,G0%glamv,G0%gphiu,G0%gphiv) |
---|
636 | DEALLOCATE(G1%glamu,G1%glamv,G1%gphiu,G1%gphiv) |
---|
637 | DEALLOCATE(G1%glamt,G1%gphit,G0%glamt,G0%gphit) |
---|
638 | |
---|
639 | ! |
---|
640 | !longitude modification if child domain covers Pacific ocean area |
---|
641 | ! |
---|
642 | IF( lonChild(1,1) > lonChild(nxfin,nyfin) ) THEN |
---|
643 | Pacifique = .TRUE. |
---|
644 | WHERE( lonChild < 0 ) |
---|
645 | lonChild = lonChild + 360. |
---|
646 | END WHERE |
---|
647 | WHERE( lonParent < 0 ) |
---|
648 | lonParent = lonParent + 360. |
---|
649 | END WHERE |
---|
650 | ENDIF |
---|
651 | |
---|
652 | ! |
---|
653 | ! |
---|
654 | ! dimensions initialization |
---|
655 | ! |
---|
656 | CALL Write_Ncdf_dim('x',Child_file,nxfin) |
---|
657 | CALL Write_Ncdf_dim('y',Child_file,nyfin) |
---|
658 | IF ( Dims_Existence( 'deptht' , filename ) ) CALL Write_Ncdf_dim('deptht',Child_file,deptht) |
---|
659 | IF ( Dims_Existence( 'depthu' , filename ) ) CALL Write_Ncdf_dim('depthu',Child_file,deptht) |
---|
660 | IF ( Dims_Existence( 'depthv' , filename ) ) CALL Write_Ncdf_dim('depthv',Child_file,deptht) |
---|
661 | IF ( Dims_Existence( 'depthw' , filename ) ) CALL Write_Ncdf_dim('depthw',Child_file,deptht) |
---|
662 | IF ( Dims_Existence( 'z' , filename ) ) CALL Write_Ncdf_dim('z',Child_file,deptht) |
---|
663 | CALL Write_Ncdf_dim('time_counter',Child_file,0) |
---|
664 | |
---|
665 | IF( deptht .NE. 1 .AND. deptht .NE. N ) THEN |
---|
666 | WRITE(*,*) '***' |
---|
667 | WRITE(*,*) 'Number of vertical levels doesn t match between namelist' |
---|
668 | WRITE(*,*) 'and forcing file ',TRIM(filename) |
---|
669 | WRITE(*,*) 'Please check the values in namelist file' |
---|
670 | WRITE(*,*) 'N = ',N |
---|
671 | WRITE(*,*) 'deptht = ',deptht |
---|
672 | STOP |
---|
673 | ENDIF |
---|
674 | ! |
---|
675 | ! |
---|
676 | DO i = 1,SIZE(Ncdf_varname) |
---|
677 | ! |
---|
678 | ! |
---|
679 | ! ******************************LOOP ON VARIABLE NAMES******************************************* |
---|
680 | ! |
---|
681 | ! |
---|
682 | SELECT CASE (TRIM(Ncdf_varname(i))) |
---|
683 | ! |
---|
684 | !copy nav_lon from child coordinates to output file |
---|
685 | CASE('nav_lon') |
---|
686 | ALLOCATE(latlon_temp(nxfin,nyfin)) |
---|
687 | CALL Read_Ncdf_var('nav_lon',TRIM(Childcoordinates),latlon_temp) |
---|
688 | CALL Write_Ncdf_var('nav_lon',(/'x','y'/),Child_file,latlon_temp,'float') |
---|
689 | CALL Copy_Ncdf_att('nav_lon',TRIM(filename),Child_file, & |
---|
690 | MINVAL(latlon_temp),MAXVAL(latlon_temp)) |
---|
691 | DEALLOCATE(latlon_temp) |
---|
692 | varname = TRIM(Ncdf_varname(i)) |
---|
693 | Interpolation = .FALSE. |
---|
694 | ! |
---|
695 | !copy nav_lat from child coordinates to output file |
---|
696 | CASE('nav_lat') |
---|
697 | ALLOCATE(latlon_temp(nxfin,nyfin)) |
---|
698 | CALL Read_Ncdf_var('nav_lat',TRIM(Childcoordinates),latlon_temp) |
---|
699 | CALL Write_Ncdf_var('nav_lat',(/'x','y'/),Child_file,latlon_temp,'float') |
---|
700 | CALL Copy_Ncdf_att('nav_lat',TRIM(filename),Child_file, & |
---|
701 | MINVAL(latlon_temp),MAXVAL(latlon_temp)) |
---|
702 | DEALLOCATE(latlon_temp) |
---|
703 | varname = TRIM(Ncdf_varname(i)) |
---|
704 | Interpolation = .FALSE. |
---|
705 | ! |
---|
706 | !copy nav_lev from restart_file to output file |
---|
707 | ! |
---|
708 | CASE('nav_lev') |
---|
709 | |
---|
710 | WRITE(*,*) 'copy nav_lev' |
---|
711 | CALL Read_Ncdf_var('nav_lev',filename,nav_lev) |
---|
712 | IF(.NOT. dimg ) THEN |
---|
713 | CALL Write_Ncdf_var('nav_lev','z',Child_file,nav_lev,'float') |
---|
714 | CALL Copy_Ncdf_att('nav_lev',filename,Child_file) |
---|
715 | ENDIF |
---|
716 | DEALLOCATE(nav_lev) |
---|
717 | Interpolation = .FALSE. |
---|
718 | ! |
---|
719 | !copy time_counter from input file to output file |
---|
720 | CASE('time_counter') |
---|
721 | ALLOCATE(timedepth_temp(time)) |
---|
722 | CALL Read_Ncdf_var('time_counter',filename,timedepth_temp) |
---|
723 | CALL Write_Ncdf_var('time_counter','time_counter', & |
---|
724 | Child_file,timedepth_temp,'float') |
---|
725 | CALL Copy_Ncdf_att('time_counter',TRIM(filename),Child_file) |
---|
726 | DEALLOCATE(timedepth_temp) |
---|
727 | varname = TRIM(Ncdf_varname(i)) |
---|
728 | Interpolation = .FALSE. |
---|
729 | ! |
---|
730 | !copy deptht from input file to output file |
---|
731 | CASE('deptht') |
---|
732 | ALLOCATE(depth(deptht)) |
---|
733 | CALL Read_Ncdf_var('deptht',filename,depth) |
---|
734 | CALL Write_Ncdf_var('deptht','deptht',Child_file,depth,'float') |
---|
735 | CALL Copy_Ncdf_att('deptht',TRIM(filename),Child_file) |
---|
736 | varname = TRIM(Ncdf_varname(i)) |
---|
737 | Interpolation = .FALSE. |
---|
738 | ! |
---|
739 | !copy depthu from input file to output file |
---|
740 | CASE('depthu') |
---|
741 | ALLOCATE(depth(deptht)) |
---|
742 | CALL Read_Ncdf_var('depthu',filename,depth) |
---|
743 | CALL Write_Ncdf_var('depthu','depthu',Child_file,depth,'float') |
---|
744 | CALL Copy_Ncdf_att('depthu',TRIM(filename),Child_file) |
---|
745 | varname = TRIM(Ncdf_varname(i)) |
---|
746 | Interpolation = .FALSE. |
---|
747 | ! |
---|
748 | !copy depthv from input file to output file |
---|
749 | CASE('depthv') |
---|
750 | ALLOCATE(depth(deptht)) |
---|
751 | CALL Read_Ncdf_var('depthv',filename,depth) |
---|
752 | CALL Write_Ncdf_var('depthv','depthv',Child_file,depth,'float') |
---|
753 | CALL Copy_Ncdf_att('depthv',TRIM(filename),Child_file) |
---|
754 | varname = TRIM(Ncdf_varname(i)) |
---|
755 | Interpolation = .FALSE. |
---|
756 | ! |
---|
757 | !copy depthv from input file to output file |
---|
758 | CASE('depthw') |
---|
759 | ALLOCATE(depth(deptht)) |
---|
760 | CALL Read_Ncdf_var('depthw',filename,depth) |
---|
761 | CALL Write_Ncdf_var('depthw','depthw',Child_file,depth,'float') |
---|
762 | CALL Copy_Ncdf_att('depthw',TRIM(filename),Child_file) |
---|
763 | varname = TRIM(Ncdf_varname(i)) |
---|
764 | Interpolation = .FALSE. |
---|
765 | ! |
---|
766 | !copy time_steps from input file in case of restget use in NEMO in/out routines |
---|
767 | CASE('time_steps') |
---|
768 | ! print *,'avant time step' |
---|
769 | |
---|
770 | CALL Read_Ncdf_var('time_steps',filename,tabtemp1DInt) |
---|
771 | ! print *,'timedeph = ',tabtemp1DInt |
---|
772 | CALL Write_Ncdf_var('time_steps','time_counter',Child_file,tabtemp1DInt,'integer') |
---|
773 | CALL Copy_Ncdf_att('time_steps',filename,Child_file) |
---|
774 | DEALLOCATE(tabtemp1DInt) |
---|
775 | Interpolation = .FALSE. |
---|
776 | ! |
---|
777 | !store tmask in output file |
---|
778 | CASE('tmask') |
---|
779 | dimnames(1)='x' |
---|
780 | dimnames(2)='y' |
---|
781 | dimnames(3)='deptht' |
---|
782 | IF (.NOT.ASSOCIATED(G1%tmask)) THEN |
---|
783 | ALLOCATE(G1%tmask(nxfin,nyfin,deptht)) |
---|
784 | G1%tmask = 1 |
---|
785 | ENDIF |
---|
786 | CALL Write_Ncdf_var('tmask',dimnames(1:3),Child_file,G1%tmask,'float') |
---|
787 | varname = TRIM(Ncdf_varname(i)) |
---|
788 | Interpolation = .FALSE. |
---|
789 | ! |
---|
790 | CASE default |
---|
791 | varname = Ncdf_varname(i) |
---|
792 | conservation = .FALSE. |
---|
793 | CALL get_interptype( varname,interp_type,conservation ) |
---|
794 | WRITE(*,*) '**********************************************' |
---|
795 | WRITE(*,*) 'varname = ',TRIM(varname), 'at ', posvar, ' point' |
---|
796 | WRITE(*,*) 'interp_type = ',TRIM(interp_type) |
---|
797 | WRITE(*,*) 'conservation = ',conservation |
---|
798 | WRITE(*,*) '***********************************************' |
---|
799 | Interpolation = .TRUE. |
---|
800 | ! |
---|
801 | END SELECT |
---|
802 | |
---|
803 | ! //////////////// INTERPOLATION FOR 3D VARIABLES ///////////////////////////////////// |
---|
804 | ! |
---|
805 | IF( Interpolation .AND. Get_NbDims(TRIM(varname),TRIM(filename)) == 3 ) THEN |
---|
806 | ! |
---|
807 | ALLOCATE(detected_pts(numlon,numlat,N)) |
---|
808 | ALLOCATE(masksrc(numlon,numlat)) |
---|
809 | ! |
---|
810 | ! ******************************LOOP ON TIME******************************************* |
---|
811 | !loop on time |
---|
812 | DO t = 1,time |
---|
813 | ! |
---|
814 | IF(extrapolation) THEN |
---|
815 | WRITE(*,*) 'interpolation/extrapolation ',TRIM(varname),' for time t = ',t |
---|
816 | ELSE |
---|
817 | WRITE(*,*) 'interpolation ',TRIM(varname),' for time t = ',t |
---|
818 | ENDIF |
---|
819 | ! |
---|
820 | ALLOCATE(tabvar3d(numlon,numlat,1)) |
---|
821 | ALLOCATE(tabinterp3d(nxfin,nyfin,1)) |
---|
822 | ! |
---|
823 | CALL Read_Ncdf_var(varname,filename,tabvar3d,t) |
---|
824 | ! |
---|
825 | ! search points where extrapolation is required |
---|
826 | ! |
---|
827 | IF(Extrapolation) THEN |
---|
828 | WHERE( tabvar3d .GE. 1.e+20 ) tabvar3d = 0. |
---|
829 | IF (t .EQ. 1. ) CALL extrap_detect(G0,G1,detected_pts(:,:,1),1) |
---|
830 | CALL correct_field_2d(detected_pts(:,:,1),tabvar3d,G0,masksrc,'posvar') |
---|
831 | ELSE |
---|
832 | masksrc = .TRUE. |
---|
833 | ENDIF |
---|
834 | |
---|
835 | IF (t.EQ.1 ) THEN |
---|
836 | |
---|
837 | SELECT CASE(TRIM(interp_type)) |
---|
838 | CASE('bilinear') |
---|
839 | CALL get_remap_matrix(latParent,latChild, & |
---|
840 | lonParent,lonChild, & |
---|
841 | masksrc,matrix,src_add,dst_add) |
---|
842 | |
---|
843 | CASE('bicubic') |
---|
844 | CALL get_remap_bicub(latParent,latChild, & |
---|
845 | lonParent,lonChild, & |
---|
846 | masksrc,matrix,src_add,dst_add) |
---|
847 | |
---|
848 | END SELECT |
---|
849 | ! |
---|
850 | ENDIF |
---|
851 | ! |
---|
852 | SELECT CASE(TRIM(interp_type)) |
---|
853 | CASE('bilinear') |
---|
854 | CALL make_remap(tabvar3d(:,:,1),tabinterp3d(:,:,1),nxfin,nyfin, & |
---|
855 | matrix,src_add,dst_add) |
---|
856 | CASE('bicubic') |
---|
857 | CALL make_bicubic_remap(tabvar3d(:,:,1),masksrc,tabinterp3d(:,:,1),nxfin,nyfin, & |
---|
858 | matrix,src_add,dst_add) |
---|
859 | END SELECT |
---|
860 | ! |
---|
861 | IF( conservation ) CALL Correctforconservation(tabvar3d(:,:,1),tabinterp3d(:,:,1), & |
---|
862 | G0%e1t,G0%e2t,G1%e1t,G1%e2t,nxfin,nyfin,posvar,imin,jmin) |
---|
863 | ! |
---|
864 | IF(Extrapolation) tabinterp3d(:,:,1) = tabinterp3d(:,:,1) * mask(:,:,1) |
---|
865 | ! |
---|
866 | dimnames(1)='x' |
---|
867 | dimnames(2)='y' |
---|
868 | dimnames(3)='time_counter' |
---|
869 | ! |
---|
870 | CALL Write_Ncdf_var(TRIM(varname),dimnames(1:3),& |
---|
871 | Child_file,tabinterp3d,t,'float') |
---|
872 | ! |
---|
873 | DEALLOCATE(tabinterp3d) |
---|
874 | DEALLOCATE(tabvar3d) |
---|
875 | !end loop on time |
---|
876 | END DO |
---|
877 | ! |
---|
878 | DEALLOCATE(detected_pts) |
---|
879 | IF(ASSOCIATED(matrix)) DEALLOCATE(matrix,dst_add,src_add) |
---|
880 | DEALLOCATE( masksrc) |
---|
881 | |
---|
882 | CALL Copy_Ncdf_att(TRIM(varname),TRIM(filename),Child_file) |
---|
883 | ! |
---|
884 | ELSE IF( Interpolation .AND. Get_NbDims(TRIM(varname),TRIM(filename)) == 4 ) THEN |
---|
885 | ! |
---|
886 | ! |
---|
887 | ! //////////////// INTERPOLATION FOR 4D VARIABLES ///////////////////////////////////// |
---|
888 | ! |
---|
889 | dimnames(1)='x' |
---|
890 | dimnames(2)='y' |
---|
891 | IF ( Dims_Existence( 'deptht' , filename ) ) dimnames(3)='deptht' |
---|
892 | IF ( Dims_Existence( 'depthu' , filename ) ) dimnames(3)='depthu' |
---|
893 | IF ( Dims_Existence( 'depthv' , filename ) ) dimnames(3)='depthv' |
---|
894 | IF ( Dims_Existence( 'depthw' , filename ) ) dimnames(3)='depthw' |
---|
895 | IF ( Dims_Existence( 'z' , filename ) ) dimnames(3)='z' |
---|
896 | dimnames(4)='time_counter' |
---|
897 | ! |
---|
898 | ! loop on vertical levels |
---|
899 | ! |
---|
900 | DO nb = 1,deptht |
---|
901 | ! |
---|
902 | ALLOCATE(masksrc(numlon,numlat)) |
---|
903 | ALLOCATE(detected_pts(numlon,numlat,N)) |
---|
904 | ! |
---|
905 | ! point detection et level n |
---|
906 | ! |
---|
907 | land_level = .FALSE. |
---|
908 | IF( Extrapolation ) THEN |
---|
909 | IF(MAXVAL(mask(:,:,nb))==0.) land_level = .TRUE. |
---|
910 | ENDIF |
---|
911 | |
---|
912 | |
---|
913 | IF ( land_level ) THEN |
---|
914 | ! |
---|
915 | WRITE(*,*) 'only land points on level ',nb |
---|
916 | ALLOCATE(tabinterp4d(nxfin,nyfin,1,1)) |
---|
917 | tabinterp4d = 0.e0 |
---|
918 | ! |
---|
919 | DO ii = 1,time |
---|
920 | CALL Write_Ncdf_var(TRIM(varname),dimnames, & |
---|
921 | Child_file,tabinterp4d,ii,nb,'float') |
---|
922 | END DO |
---|
923 | DEALLOCATE(tabinterp4d) |
---|
924 | ! |
---|
925 | ELSE |
---|
926 | ! |
---|
927 | ! loop on time |
---|
928 | ! |
---|
929 | DO t = 1,time |
---|
930 | ! |
---|
931 | ALLOCATE(tabvar1(numlon,numlat,1,1)) ! level k |
---|
932 | IF(Extrapolation) ALLOCATE(tabvar2(numlon,numlat,1,1)) ! level k-1 |
---|
933 | IF(Extrapolation) ALLOCATE(tabvar3(numlon,numlat,1,1)) ! level k-2 |
---|
934 | ALLOCATE(tabinterp4d(nxfin,nyfin,1,1)) |
---|
935 | ! |
---|
936 | IF(Extrapolation) THEN |
---|
937 | IF(nb==1) THEN |
---|
938 | CALL Read_Ncdf_var(varname,filename,tabvar1,t,nb) |
---|
939 | WHERE( tabvar1 .GE. 1.e+20 ) tabvar1 = 0. |
---|
940 | ELSE IF (nb==2) THEN |
---|
941 | CALL Read_Ncdf_var(varname,filename,tabvar2,t,nb-1) |
---|
942 | CALL Read_Ncdf_var(varname,filename,tabvar1,t,nb) |
---|
943 | WHERE( tabvar1 .GE. 1.e+20 ) tabvar1 = 0. |
---|
944 | WHERE( tabvar2 .GE. 1.e+20 ) tabvar2 = 0. |
---|
945 | ELSE |
---|
946 | CALL Read_Ncdf_var(varname,filename,tabvar3,t,nb-2) |
---|
947 | CALL Read_Ncdf_var(varname,filename,tabvar2,t,nb-1) |
---|
948 | CALL Read_Ncdf_var(varname,filename,tabvar1,t,nb) |
---|
949 | WHERE( tabvar1 .GE. 1.e+20 ) tabvar1 = 0. |
---|
950 | WHERE( tabvar2 .GE. 1.e+20 ) tabvar2 = 0. |
---|
951 | WHERE( tabvar3 .GE. 1.e+20 ) tabvar3 = 0. |
---|
952 | ENDIF |
---|
953 | ! |
---|
954 | IF (t.EQ.1 ) CALL extrap_detect(G0,G1,detected_pts(:,:,nb),nb) |
---|
955 | |
---|
956 | CALL correct_field(detected_pts(:,:,nb),tabvar1,tabvar2,& |
---|
957 | tabvar3,G0,depth,masksrc,nb,'posvar') |
---|
958 | DEALLOCATE(tabvar2,tabvar3) |
---|
959 | |
---|
960 | ELSE |
---|
961 | CALL Read_Ncdf_var(varname,filename,tabvar1,t,nb) |
---|
962 | IF(MAXVAL(tabvar1(:,:,1,1))==0.) land_level = .TRUE. |
---|
963 | masksrc = .TRUE. |
---|
964 | ENDIF |
---|
965 | |
---|
966 | IF( Extrapolation ) THEN |
---|
967 | WRITE(*,*) 'interpolation/extrapolation ',TRIM(varname),' for time t = ',t,'vertical level = ',nb |
---|
968 | ELSE |
---|
969 | WRITE(*,*) 'interpolation ',TRIM(varname),' for time t = ',t,'vertical level = ',nb |
---|
970 | ENDIF |
---|
971 | |
---|
972 | ! |
---|
973 | |
---|
974 | IF (t.EQ.1 ) THEN |
---|
975 | |
---|
976 | SELECT CASE(TRIM(interp_type)) |
---|
977 | CASE('bilinear') |
---|
978 | CALL get_remap_matrix(latParent,latChild, & |
---|
979 | lonParent,lonChild, & |
---|
980 | masksrc,matrix,src_add,dst_add) |
---|
981 | |
---|
982 | CASE('bicubic') |
---|
983 | CALL get_remap_bicub(latParent,latChild, & |
---|
984 | lonParent,lonChild, & |
---|
985 | masksrc,matrix,src_add,dst_add) |
---|
986 | ! |
---|
987 | END SELECT |
---|
988 | ! |
---|
989 | ENDIF |
---|
990 | ! |
---|
991 | SELECT CASE(TRIM(interp_type)) |
---|
992 | ! |
---|
993 | CASE('bilinear') |
---|
994 | CALL make_remap(tabvar1(:,:,1,1),tabinterp4d(:,:,1,1),nxfin,nyfin, & |
---|
995 | matrix,src_add,dst_add) |
---|
996 | CASE('bicubic') |
---|
997 | CALL make_bicubic_remap(tabvar1(:,:,1,1),masksrc,tabinterp4d(:,:,1,1),nxfin,nyfin, & |
---|
998 | matrix,src_add,dst_add) |
---|
999 | END SELECT |
---|
1000 | ! |
---|
1001 | IF( conservation ) CALL Correctforconservation(tabvar1(:,:,1,1),tabinterp4d(:,:,1,1), & |
---|
1002 | G0%e1t,G0%e2t,G1%e1t,G1%e2t,nxfin,nyfin,posvar,imin,jmin) |
---|
1003 | |
---|
1004 | ! |
---|
1005 | IF(Extrapolation) CALL check_extrap(G1,tabinterp4d,nb) |
---|
1006 | ! |
---|
1007 | IF(Extrapolation) tabinterp4d(:,:,1,1) = tabinterp4d(:,:,1,1) * mask(:,:,nb) |
---|
1008 | ! |
---|
1009 | CALL Write_Ncdf_var(TRIM(varname),dimnames, & |
---|
1010 | Child_file,tabinterp4d,t,nb,'float') |
---|
1011 | ! |
---|
1012 | DEALLOCATE(tabinterp4d) |
---|
1013 | DEALLOCATE(tabvar1) |
---|
1014 | ! |
---|
1015 | ! end loop on time |
---|
1016 | ! |
---|
1017 | |
---|
1018 | END DO |
---|
1019 | |
---|
1020 | ENDIF |
---|
1021 | |
---|
1022 | ! |
---|
1023 | IF(ASSOCIATED(matrix)) DEALLOCATE(matrix,dst_add,src_add) |
---|
1024 | DEALLOCATE( masksrc ) |
---|
1025 | DEALLOCATE(detected_pts) |
---|
1026 | ! |
---|
1027 | ! end loop on vertical levels |
---|
1028 | ! |
---|
1029 | END DO |
---|
1030 | ! |
---|
1031 | CALL Copy_Ncdf_att(TRIM(varname),TRIM(filename),Child_file) |
---|
1032 | ! |
---|
1033 | ! fin du if interpolation ... |
---|
1034 | ! |
---|
1035 | ENDIF |
---|
1036 | ! |
---|
1037 | END DO |
---|
1038 | |
---|
1039 | PRINT *,'FIN DE INTERPEXTRAPVAR' |
---|
1040 | ! |
---|
1041 | IF(Extrapolation) DEALLOCATE(G1%tmask,G0%tmask) |
---|
1042 | DEALLOCATE(G0%e1t,G0%e2t,G1%e1t,G1%e2t) |
---|
1043 | IF(ASSOCIATED(depth)) DEALLOCATE(depth) |
---|
1044 | ! |
---|
1045 | END SUBROUTINE Interp_Extrap_var |
---|
1046 | ! |
---|
1047 | ! |
---|
1048 | END MODULE agrif_interpolation |
---|