1 | |
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2 | |
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3 | program hrecast |
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4 | |
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5 | ! This program reads fields from GCM output files |
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6 | ! (diagfi.nc, stats.nc, concat.nc, ...) |
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7 | ! and recasts it on a new horizontal grid specified by the user. |
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8 | ! The output file name is automatically generated from input file name: |
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9 | ! if input file name is 'input.nc', then output file will be 'input_h.nc' |
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10 | ! |
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11 | ! NB: It is OK if the output grid is not like typical GCM outputs grids, |
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12 | ! but longitudes range must be something like from -180 to 180 (although |
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13 | ! you may omit either of these endpoints), and latitudes must range |
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14 | ! from 90 to -90 (again, you may omit the endpoints). |
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15 | ! EM 09/2009 |
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16 | |
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17 | implicit none |
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18 | |
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19 | include "netcdf.inc" ! NetCDF definitions |
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20 | |
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21 | character(len=128) :: infile ! input file name (diagfi.nc or stats.nc format) |
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22 | character(len=128) :: outfile ! output file name |
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23 | character(len=64) :: text ! to store some text |
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24 | character(len=64) :: tmpvarname ! temporarily store a variable name |
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25 | integer :: infid ! NetCDF input file ID |
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26 | integer :: outfid ! NetCDF output file ID |
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27 | integer :: tmpvarid ! temporarily store a variable ID |
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28 | integer :: tmpdimid ! temporarily store a dimension ID |
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29 | integer :: tmpndims ! temporarily store # of dimensions of a variable |
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30 | integer :: nbvarinfile ! # of variables in input file |
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31 | integer :: nbattr ! # of attributes of a given variable in input file |
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32 | integer :: nbvar3dinfile ! # of 3D (lon,lat,time) variables in input file |
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33 | integer :: nbvar4dinfile ! # of 4D (lon,lat,alt,time) variables in input file |
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34 | |
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35 | integer :: i,j |
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36 | integer :: lon_dimid,lat_dimid,alt_dimid,time_dimid ! NetCDF dimension IDs |
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37 | integer :: lon_varid,lat_varid,alt_varid,time_varid ! NetCDF variable IDs |
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38 | !integer gcm_layers_dimid ! NetCDF dimension ID for # of layers in GCM |
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39 | integer :: sigma_varid,aps_varid,bps_varid |
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40 | integer :: phisinit_varid |
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41 | integer,dimension(4) :: datashape ! shape of 4D datasets |
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42 | integer :: ierr ! NetCDF routines return code |
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43 | character (len=64), dimension(:), allocatable :: var |
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44 | ! var(): names of variables that will be processed |
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45 | integer nbvar ! # of variables to process |
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46 | integer,dimension(:),allocatable :: var_id ! IDs of variables var() (in outfile) |
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47 | real :: miss_val=-9.99e+33 ! special "missing value" to specify missing data |
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48 | real,parameter :: miss_val_def=-9.99e+33 ! default value for "missing value" |
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49 | real,dimension(:),allocatable :: inlat ! input latitude |
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50 | integer :: inlatlength ! # of elements in input latitude |
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51 | real,dimension(:),allocatable :: inlon ! input longitude |
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52 | integer :: inlonlength ! # of elements in input longitude |
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53 | real,dimension(:),allocatable :: alt ! altitude |
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54 | integer :: altlength ! # of elements in altitude |
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55 | real,dimension(:),allocatable :: time ! input time |
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56 | integer :: timelength ! # of elements in time(:) |
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57 | real,dimension(:),allocatable :: aps,bps ! hybrid vertical coordinates |
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58 | real,dimension(:),allocatable :: sigma ! sigma levels |
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59 | real,dimension(:,:),allocatable :: inphisinit ! input ground geopotential |
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60 | real,dimension(:),allocatable :: lon ! output longitude |
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61 | integer :: lonlength ! # of elements in lon() |
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62 | real,dimension(:),allocatable :: wklon ! work longitude (with modulo element) |
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63 | integer :: wklonlength ! # of elements in wklon() |
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64 | real,dimension(:),allocatable :: lat ! output latitude |
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65 | integer :: latlength ! # of elements in lat() |
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66 | real,dimension(:),allocatable :: wklat ! work latitude (includes poles) |
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67 | integer :: wklatlength ! # of elements in wklat() |
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68 | !real,dimension(:),allocatable :: lon_bound ! output longitude boundaries |
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69 | !real,dimension(:),allocatable :: lat_bound ! output latitude boundaries |
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70 | real,dimension(:),allocatable :: in_lon_bound ! input longitude boundaries |
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71 | real,dimension(:),allocatable :: in_lat_bound ! input latitude boundaries |
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72 | real,dimension(:),allocatable :: wk_lon_bound ! work longitude boundaries |
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73 | real,dimension(:),allocatable :: wk_lat_bound ! work latitude boundaries |
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74 | real,dimension(:,:),allocatable :: in_2d_data ! input 2D (lon-lat) dataset |
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75 | real,dimension(:,:),allocatable :: wk_2d_data ! work 2D dataset |
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76 | real,dimension(:,:),allocatable :: out_2d_data ! output 2D dataset |
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77 | real,dimension(:,:,:),allocatable :: in_3d_data ! intput 3D dataset |
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78 | real,dimension(:,:,:),allocatable :: wk_3d_data ! work 3D dataset |
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79 | real,dimension(:,:,:),allocatable :: out_3d_data ! output 3D dataset |
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80 | real,dimension(:,:,:,:),allocatable :: in_4d_data ! intput 4D dataset |
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81 | real,dimension(:,:,:,:),allocatable :: wk_4D_data ! work 4D dataset |
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82 | real,dimension(:,:,:,:),allocatable :: out_4d_data ! output 4D dataset |
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83 | |
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84 | real :: pi ! =3.14... |
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85 | logical :: have_sigma ! Flag: true if sigma levels are known (false if hybrid |
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86 | ! coordinates are used) |
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87 | logical :: have_geopot ! Flag: true if input file contains ground geopotential |
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88 | ! phisinit() |
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89 | logical :: out_mod_lon ! Flag: true if output grid has modulo longitude (ie: |
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90 | ! first and last point are in fact at same longitude) |
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91 | logical :: out_has_poles ! Flag: true if output grid includes North and South |
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92 | ! poles |
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93 | !=============================================================================== |
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94 | ! 1. Input parameters |
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95 | !=============================================================================== |
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96 | pi=2.*asin(1.) |
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97 | |
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98 | !=============================================================================== |
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99 | ! 1.1 Input file |
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100 | !=============================================================================== |
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101 | |
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102 | write(*,*) "" |
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103 | write(*,*) " Program valid for diagfi.nc, concatnc.nc and stats.nc files" |
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104 | write(*,*) "Enter input file name:" |
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105 | |
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106 | read(*,'(a128)') infile |
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107 | write(*,*) "" |
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108 | |
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109 | ! open input file |
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110 | |
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111 | ierr = NF_OPEN(infile,NF_NOWRITE,infid) |
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112 | if (ierr.ne.NF_NOERR) then |
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113 | write(*,*) 'ERROR: Pb opening file ',trim(infile) |
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114 | stop "" |
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115 | endif |
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116 | |
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117 | !=============================================================================== |
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118 | ! 1.2 Get # and names of variables in input file |
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119 | !=============================================================================== |
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120 | |
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121 | ierr=NF_INQ_NVARS(infid,nbvarinfile) |
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122 | if (ierr.ne.NF_NOERR) then |
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123 | write(*,*) 'ERROR: Failed geting number of variables from file' |
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124 | stop |
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125 | endif |
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126 | |
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127 | write(*,*)" The following variables have been found:" |
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128 | nbvar3dinfile=0 |
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129 | nbvar4dinfile=0 |
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130 | do i=1,nbvarinfile |
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131 | ! get name of variable # i |
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132 | ierr=NF_INQ_VARNAME(infid,i,tmpvarname) |
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133 | ! check if it is a 3D variable |
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134 | ierr=NF_INQ_VARNDIMS(infid,i,tmpndims) |
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135 | if (tmpndims.eq.3) then |
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136 | nbvar3dinfile=nbvar3dinfile+1 |
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137 | write(*,*) trim(tmpvarname) |
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138 | endif |
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139 | ! check if it is a 4D variable |
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140 | ierr=NF_INQ_VARNDIMS(infid,i,tmpndims) |
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141 | if (tmpndims.eq.4) then |
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142 | nbvar4dinfile=nbvar4dinfile+1 |
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143 | write(*,*) trim(tmpvarname) |
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144 | endif |
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145 | enddo |
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146 | |
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147 | allocate(var(nbvar3dinfile+nbvar4dinfile)) |
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148 | |
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149 | write(*,*) "" |
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150 | write(*,*) "Which variable do you want to keep?" |
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151 | write(*,*) "all or list of <variables> (separated by <Return>s)" |
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152 | write(*,*) "(an empty line , i.e: just <Return>, implies end of list)" |
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153 | nbvar=0 |
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154 | read(*,'(a64)') tmpvarname |
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155 | do while ((tmpvarname.ne.' ').and.(trim(tmpvarname).ne.'all')) |
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156 | ! check if tmpvarname is valid |
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157 | ierr=NF_INQ_VARID(infid,tmpvarname,tmpvarid) |
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158 | if (ierr.eq.NF_NOERR) then ! valid name |
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159 | nbvar=nbvar+1 |
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160 | var(nbvar)=tmpvarname |
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161 | else ! invalid name |
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162 | write(*,*) 'Error: ',trim(tmpvarname),' is not a valid name' |
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163 | write(*,*) ' (we''ll skip that one)' |
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164 | endif |
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165 | read(*,'(a64)') tmpvarname |
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166 | enddo |
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167 | |
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168 | ! handle "all" case |
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169 | if (tmpvarname.eq.'all') then |
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170 | nbvar=0 |
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171 | do i=1,nbvarinfile |
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172 | ! look for 4D variables |
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173 | ierr=NF_INQ_VARNDIMS(infid,i,tmpndims) |
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174 | if (tmpndims.eq.4) then |
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175 | nbvar=nbvar+1 |
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176 | ! get the corresponding name |
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177 | ierr=NF_INQ_VARNAME(infid,i,tmpvarname) |
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178 | var(nbvar)=tmpvarname |
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179 | endif |
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180 | enddo |
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181 | endif |
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182 | |
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183 | ! Check that there is at least 1 variable to process |
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184 | if (nbvar.eq.0) then |
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185 | write(*,*) 'No variables to process !?' |
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186 | write(*,*) 'Might as well stop here' |
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187 | stop "" |
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188 | else |
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189 | write(*,*) "" |
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190 | write(*,*) 'OK, the following variables will be processed:' |
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191 | do i=1,nbvar |
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192 | write(*,*) var(i) |
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193 | enddo |
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194 | endif |
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195 | |
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196 | !=============================================================================== |
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197 | ! 1.3 Get input grids in lon,lat,alt,time, |
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198 | ! as well as hybrid coordinates aps() and bps() (or sigma levels sigma()) |
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199 | ! and eventually phisinit() from input file |
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200 | !=============================================================================== |
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201 | |
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202 | ! 1.3.1 input longitude, latitude, altitude and time |
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203 | |
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204 | ! latitude |
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205 | ierr=NF_INQ_DIMID(infid,"latitude",tmpdimid) |
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206 | if (ierr.ne.NF_NOERR) then |
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207 | stop "Error: Failed to get latitude dimension ID" |
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208 | else |
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209 | ierr=NF_INQ_VARID(infid,"latitude",tmpvarid) |
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210 | if (ierr.ne.NF_NOERR) then |
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211 | stop "Error: Failed to get latitude ID" |
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212 | else |
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213 | ierr=NF_INQ_DIMLEN(infid,tmpdimid,inlatlength) |
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214 | if (ierr.ne.NF_NOERR) then |
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215 | stop "Error: Failed to get latitude length" |
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216 | else |
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217 | allocate(inlat(inlatlength)) |
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218 | ierr=NF_GET_VAR_REAL(infid,tmpvarid,inlat) |
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219 | if (ierr.ne.NF_NOERR) then |
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220 | stop "Error: Failed reading latitude" |
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221 | endif |
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222 | endif |
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223 | endif |
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224 | endif |
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225 | |
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226 | ! check that these latitudes are 'GCM' latitudes (i.e. poles are included) |
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227 | if ((abs(inlat(1)-90.0)).gt.0.001) then |
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228 | write(*,*) "Error: Input latitudes should include north pole, but" |
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229 | write(*,*) " lat(1)=",inlat(1) |
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230 | stop |
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231 | endif |
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232 | if ((abs(inlat(inlatlength)+90.0)).gt.0.001) then |
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233 | write(*,*) "Error: Input latitudes should include south pole, but" |
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234 | write(*,*) " lat(inlatlength)=",inlat(inlatlength) |
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235 | stop |
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236 | endif |
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237 | |
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238 | |
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239 | ! longitude |
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240 | ierr=NF_INQ_DIMID(infid,"longitude",tmpdimid) |
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241 | if (ierr.ne.NF_NOERR) then |
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242 | stop "Error: Failed to get longitude dimension ID" |
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243 | else |
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244 | ierr=NF_INQ_VARID(infid,"longitude",tmpvarid) |
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245 | if (ierr.ne.NF_NOERR) then |
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246 | stop "Error: Failed to get longitude ID" |
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247 | else |
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248 | ierr=NF_INQ_DIMLEN(infid,tmpdimid,inlonlength) |
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249 | if (ierr.ne.NF_NOERR) then |
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250 | stop "Error: Failed to get longitude length" |
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251 | else |
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252 | allocate(inlon(inlonlength)) |
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253 | ierr=NF_GET_VAR_REAL(infid,tmpvarid,inlon) |
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254 | if (ierr.ne.NF_NOERR) then |
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255 | stop "Error: Failed reading longitude" |
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256 | endif |
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257 | endif |
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258 | endif |
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259 | endif |
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260 | |
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261 | ! check that these longitudes are 'GCM' longitudes (i.e range from -180 to 180) |
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262 | if (abs(180.+inlon(1)).gt.0.001) then |
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263 | write(*,*) "Error: Input latitudes should start at -180, but" |
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264 | write(*,*) " lon(1)=",inlon(1) |
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265 | stop |
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266 | endif |
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267 | if (abs(inlon(inlonlength)-180).gt.0.001) then |
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268 | write(*,*) "Error: Input latitudes should end at 180, but" |
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269 | write(*,*) " lon(inlonlength)=",inlon(inlonlength) |
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270 | stop |
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271 | endif |
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272 | |
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273 | |
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274 | ! altitude |
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275 | ierr=NF_INQ_DIMID(infid,"altitude",tmpdimid) |
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276 | if (ierr.ne.NF_NOERR) then |
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277 | stop "Error: Failed to get altitude dimension ID" |
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278 | else |
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279 | ierr=NF_INQ_VARID(infid,"altitude",tmpvarid) |
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280 | if (ierr.ne.NF_NOERR) then |
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281 | stop "Error: Failed to get altitude ID" |
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282 | else |
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283 | ierr=NF_INQ_DIMLEN(infid,tmpdimid,altlength) |
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284 | if (ierr.ne.NF_NOERR) then |
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285 | stop "Error: Failed to get altitude length" |
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286 | else |
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287 | allocate(alt(altlength)) |
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288 | ierr=NF_GET_VAR_REAL(infid,tmpvarid,alt) |
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289 | if (ierr.ne.NF_NOERR) then |
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290 | stop "Error: Failed reading altitude" |
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291 | endif |
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292 | endif |
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293 | endif |
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294 | endif |
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295 | |
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296 | ! time |
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297 | ierr=NF_INQ_DIMID(infid,"Time",tmpdimid) |
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298 | if (ierr.ne.NF_NOERR) then |
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299 | stop "Error: Failed to get Time dimension ID" |
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300 | else |
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301 | ierr=NF_INQ_VARID(infid,"Time",tmpvarid) |
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302 | if (ierr.ne.NF_NOERR) then |
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303 | stop "Error: Failed to get Time ID" |
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304 | else |
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305 | ierr=NF_INQ_DIMLEN(infid,tmpdimid,timelength) |
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306 | if (ierr.ne.NF_NOERR) then |
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307 | stop "Error: Failed to get Time length" |
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308 | else |
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309 | allocate(time(timelength)) |
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310 | ierr=NF_GET_VAR_REAL(infid,tmpvarid,time) |
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311 | if (ierr.ne.NF_NOERR) then |
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312 | stop "Error: Failed reading Time" |
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313 | endif |
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314 | endif |
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315 | endif |
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316 | endif |
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317 | |
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318 | ! 1.3.2 Get hybrid coordinates (or sigma levels) |
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319 | |
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320 | ! start by looking for sigma levels |
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321 | ierr=NF_INQ_VARID(infid,"sigma",tmpvarid) |
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322 | if (ierr.ne.NF_NOERR) then |
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323 | have_sigma=.false. |
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324 | write(*,*) "Could not find sigma levels... will look for hybrid coordinates" |
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325 | else |
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326 | have_sigma=.true. |
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327 | allocate(sigma(altlength)) |
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328 | ierr=NF_GET_VAR_REAL(infid,tmpvarid,sigma) |
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329 | if (ierr.ne.NF_NOERR) then |
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330 | stop "Error: Failed reading sigma" |
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331 | endif |
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332 | endif |
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333 | |
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334 | ! if no sigma levels, look for hybrid coordinates |
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335 | if (.not.have_sigma) then |
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336 | ! hybrid coordinate aps |
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337 | ierr=NF_INQ_VARID(infid,"aps",tmpvarid) |
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338 | if (ierr.ne.NF_NOERR) then |
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339 | stop "Error: Failed to get aps ID" |
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340 | else |
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341 | allocate(aps(altlength)) |
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342 | ierr=NF_GET_VAR_REAL(infid,tmpvarid,aps) |
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343 | if (ierr.ne.NF_NOERR) then |
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344 | stop "Error: Failed reading aps" |
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345 | endif |
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346 | endif |
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347 | |
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348 | ! hybrid coordinate bps |
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349 | ierr=NF_INQ_VARID(infid,"bps",tmpvarid) |
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350 | if (ierr.ne.NF_NOERR) then |
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351 | stop "Error: Failed to get bps ID" |
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352 | else |
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353 | allocate(bps(altlength)) |
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354 | ierr=NF_GET_VAR_REAL(infid,tmpvarid,bps) |
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355 | if (ierr.ne.NF_NOERR) then |
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356 | stop "Error: Failed reading bps" |
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357 | endif |
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358 | endif |
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359 | endif !of if (.not.have_sigma) |
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360 | |
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361 | ! 1.3.3 Get ground geopotential phisinit, if available |
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362 | |
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363 | ! look for 'phisinit' in current file |
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364 | ierr=NF_INQ_VARID(infid,"phisinit",tmpvarid) |
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365 | if (ierr.ne.NF_NOERR) then |
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366 | write(*,*) "Warning: Failed to get phisinit ID from file ",trim(infile) |
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367 | write(*,*) " ...will not store geopotential in output... " |
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368 | have_geopot=.false. |
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369 | else |
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370 | have_geopot=.true. |
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371 | ! Get input physinit |
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372 | allocate(inphisinit(inlonlength,inlatlength)) |
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373 | ierr=NF_GET_VAR_REAL(infid,tmpvarid,inphisinit) |
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374 | if (ierr.ne.NF_NOERR) then |
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375 | stop "Error: Failed reading phisinit" |
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376 | endif |
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377 | endif |
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378 | |
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379 | ! 1.3.4 Create input longitude and latitude boundaries |
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380 | |
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381 | ! build input longitude boundaries (in radians) |
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382 | allocate(in_lon_bound(inlonlength)) |
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383 | do i=1,inlonlength-1 |
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384 | in_lon_bound(i)=0.5*(inlon(i+1)+inlon(i))*pi/180.0 |
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385 | enddo |
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386 | ! we have inlon(1)=inlon(inlonlength) modulo 360 |
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387 | ! and thus in_lon_bound(inlonlength)=in_lon_bound(1)+360 |
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388 | in_lon_bound(inlonlength)=2.*pi+in_lon_bound(1) |
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389 | !do i=1,inlonlength |
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390 | ! write(*,*) "i=",i,"180/pi*in_lon_bound(i)=",(180./pi)*in_lon_bound(i) |
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391 | !enddo |
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392 | |
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393 | ! build input latitude boundaries (in radians) |
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394 | allocate(in_lat_bound(inlatlength-1)) |
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395 | do i=1,inlatlength-1 |
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396 | in_lat_bound(i)=0.5*(inlat(i)+inlat(i+1))*pi/180.0 |
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397 | enddo |
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398 | !do i=1,inlatlength-1 |
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399 | ! write(*,*) "i=",i,"180/pi*in_lat_bound(i)",(180./pi)*in_lat_bound(i) |
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400 | !enddo |
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401 | |
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402 | !=============================================================================== |
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403 | ! 1.4 Get output longitude and latitude coordinates |
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404 | !=============================================================================== |
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405 | |
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406 | write(*,*) "" |
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407 | write(*,*) "Output horizontal grid:" |
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408 | write(*,*) "Number of grid points in longitude?" |
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409 | read(*,*) lonlength |
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410 | write(*,*) "Enter longitudes (degrees, in [-180:180]), " |
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411 | write(*,*) " in increasing order (one per line):" |
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412 | allocate(lon(lonlength)) |
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413 | do i=1,lonlength |
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414 | read(*,*) lon(i) |
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415 | enddo |
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416 | |
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417 | !! build 'work' longitude (which must be a modulo axis; i.e. first and |
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418 | !! last points e.g. -180 and 180 are included) |
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419 | if (abs((lon(1)+360.-lon(lonlength))).le.0.01) then |
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420 | ! the axis already has modulo endpoints |
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421 | out_mod_lon=.true. |
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422 | wklonlength=lonlength |
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423 | allocate(wklon(wklonlength)) |
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424 | wklon(1:lonlength)=lon(1:lonlength) |
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425 | else |
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426 | ! add an extra point |
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427 | out_mod_lon=.false. |
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428 | wklonlength=lonlength+1 |
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429 | allocate(wklon(wklonlength)) |
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430 | wklon(1:lonlength)=lon(1:lonlength) |
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431 | wklon(wklonlength)=wklon(1)+360.0 |
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432 | endif |
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433 | |
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434 | ! build work longitude boundaries (in radians) |
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435 | allocate(wk_lon_bound(wklonlength)) |
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436 | do i=1,lonlength-1 |
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437 | wk_lon_bound(i)=0.5*(wklon(i+1)+wklon(i))*pi/180.0 |
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438 | enddo |
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439 | if (out_mod_lon) then |
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440 | ! we have lon(1)=lon(lonlength) modulo 360 |
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441 | ! and thus lon_bound(lonlength)=lon_bound(1)+360 |
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442 | wk_lon_bound(wklonlength)=2.*pi+wk_lon_bound(1) |
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443 | else |
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444 | wk_lon_bound(wklonlength-1)=0.5*(wklon(wklonlength)+wklon(wklonlength-1))*pi/180.0 |
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445 | wk_lon_bound(wklonlength)=2.*pi+wk_lon_bound(1) |
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446 | endif |
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447 | |
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448 | |
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449 | write(*,*) "Number of grid points in latitude?" |
---|
450 | read(*,*) latlength |
---|
451 | write(*,*) "Enter latitudes (degrees), in decreasing order (from northernmost" |
---|
452 | write(*,*) " to southernmost), one per line:" |
---|
453 | allocate(lat(latlength)) |
---|
454 | do i=1,latlength |
---|
455 | read(*,*) lat(i) |
---|
456 | enddo |
---|
457 | |
---|
458 | ! build 'work' latitude (which must include poles, ie lat=90 and -90) |
---|
459 | if (abs(lat(1)-90.0).le.0.001) then |
---|
460 | out_has_poles=.true. |
---|
461 | wklatlength=latlength |
---|
462 | allocate(wklat(wklatlength)) |
---|
463 | wklat(1:latlength)=lat(1:latlength) |
---|
464 | else |
---|
465 | out_has_poles=.false. |
---|
466 | ! add poles |
---|
467 | wklatlength=latlength+2 |
---|
468 | allocate(wklat(wklatlength)) |
---|
469 | wklat(1)=90 |
---|
470 | wklat(2:latlength+1)=lat(1:latlength) |
---|
471 | wklat(wklatlength)=-90 |
---|
472 | endif |
---|
473 | |
---|
474 | ! build work latitude boundaries (in radians) |
---|
475 | allocate(wk_lat_bound(wklatlength-1)) |
---|
476 | if (out_has_poles) then |
---|
477 | do i=1,wklatlength-1 |
---|
478 | wk_lat_bound(i)=0.5*(wklat(i)+wklat(i+1))*pi/180.0 |
---|
479 | enddo |
---|
480 | else |
---|
481 | ! put northermost boundary near pole |
---|
482 | wk_lat_bound(1)=(90-0.01*(90.-lat(1)))*pi/180.0 |
---|
483 | do i=2,wklatlength-2 |
---|
484 | wk_lat_bound(i)=0.5*(wklat(i)+wklat(i+1))*pi/180.0 |
---|
485 | enddo |
---|
486 | ! put southernmost boundary near pole |
---|
487 | wk_lat_bound(wklatlength-1)=(-90.0-0.01*(-90.-lat(latlength)))*pi/180.0 |
---|
488 | endif |
---|
489 | |
---|
490 | !do i=1,wklatlength-1 |
---|
491 | ! write(*,*) "i=",i,"180/pi*wk_lat_bound(i)",(180./pi)*wk_lat_bound(i) |
---|
492 | !enddo |
---|
493 | |
---|
494 | !=============================================================================== |
---|
495 | ! 1.5 Output file |
---|
496 | !=============================================================================== |
---|
497 | write(*,*) "" |
---|
498 | outfile=infile(1:len_trim(infile)-3)//"_h.nc" |
---|
499 | write(*,*) "Output file name is: ",trim(outfile) |
---|
500 | |
---|
501 | |
---|
502 | !=============================================================================== |
---|
503 | ! 2. Create output file and initialize definitions of variables and dimensions |
---|
504 | !=============================================================================== |
---|
505 | |
---|
506 | !=============================================================================== |
---|
507 | ! 2.1. Output file |
---|
508 | !=============================================================================== |
---|
509 | |
---|
510 | ! Create output file |
---|
511 | ierr=NF_CREATE(outfile,NF_CLOBBER,outfid) |
---|
512 | if (ierr.ne.NF_NOERR) then |
---|
513 | write(*,*)"Error: could not create file ",outfile |
---|
514 | stop |
---|
515 | endif |
---|
516 | |
---|
517 | !=============================================================================== |
---|
518 | ! 2.2. Define dimensions |
---|
519 | !=============================================================================== |
---|
520 | ! longitude |
---|
521 | ierr=NF_DEF_DIM(outfid,"longitude",lonlength,lon_dimid) |
---|
522 | if (ierr.ne.NF_NOERR) then |
---|
523 | stop "Error: Could not define longitude dimension" |
---|
524 | endif |
---|
525 | |
---|
526 | ! latitude |
---|
527 | ierr=NF_DEF_DIM(outfid,"latitude",latlength,lat_dimid) |
---|
528 | if (ierr.ne.NF_NOERR) then |
---|
529 | stop "Error: Could not define latitude dimension" |
---|
530 | endif |
---|
531 | |
---|
532 | ! altitude |
---|
533 | ierr=NF_DEF_DIM(outfid,"altitude",altlength,alt_dimid) |
---|
534 | if (ierr.ne.NF_NOERR) then |
---|
535 | stop "Error: Could not define altitude dimension" |
---|
536 | endif |
---|
537 | |
---|
538 | ! time |
---|
539 | ierr=NF_DEF_DIM(outfid,"Time",timelength,time_dimid) |
---|
540 | if (ierr.ne.NF_NOERR) then |
---|
541 | stop "Error: Could not define latitude dimension" |
---|
542 | endif |
---|
543 | |
---|
544 | !=============================================================================== |
---|
545 | ! 2.3. Define variables and their attributes |
---|
546 | !=============================================================================== |
---|
547 | |
---|
548 | ! 2.3.1 Define 1D variables |
---|
549 | |
---|
550 | ! longitude |
---|
551 | datashape(1)=lon_dimid |
---|
552 | ierr=NF_DEF_VAR(outfid,"longitude",NF_REAL,1,datashape(1),lon_varid) |
---|
553 | if (ierr.ne.NF_NOERR) then |
---|
554 | stop "Error: Could not define longitude variable" |
---|
555 | endif |
---|
556 | |
---|
557 | ! longitude attributes |
---|
558 | text='east longitude' |
---|
559 | ierr=NF_PUT_ATT_TEXT(outfid,lon_varid,'long_name',len_trim(text),text) |
---|
560 | if (ierr.ne.NF_NOERR) then |
---|
561 | stop "Error: Problem writing long_name for longitude" |
---|
562 | endif |
---|
563 | text='degrees_east' |
---|
564 | ierr=NF_PUT_ATT_TEXT(outfid,lon_varid,'units',len_trim(text),text) |
---|
565 | if (ierr.ne.NF_NOERR) then |
---|
566 | stop "Error: Problem writing units for longitude" |
---|
567 | endif |
---|
568 | |
---|
569 | ! latitude |
---|
570 | datashape(2)=lat_dimid |
---|
571 | ierr=NF_DEF_VAR(outfid,"latitude",NF_REAL,1,datashape(2),lat_varid) |
---|
572 | if (ierr.ne.NF_NOERR) then |
---|
573 | stop "Error: Could not define latitude variable" |
---|
574 | endif |
---|
575 | |
---|
576 | ! latitude attributes |
---|
577 | text='north latitude' |
---|
578 | ierr=NF_PUT_ATT_TEXT(outfid,lat_varid,'long_name',len_trim(text),text) |
---|
579 | if (ierr.ne.NF_NOERR) then |
---|
580 | stop "Error: Problem writing long_name for latitude" |
---|
581 | endif |
---|
582 | text='degrees_north' |
---|
583 | ierr=NF_PUT_ATT_TEXT(outfid,lat_varid,'units',len_trim(text),text) |
---|
584 | if (ierr.ne.NF_NOERR) then |
---|
585 | stop "Error: Problem writing units for latitude" |
---|
586 | endif |
---|
587 | |
---|
588 | ! altitude |
---|
589 | datashape(3)=alt_dimid |
---|
590 | ierr=NF_DEF_VAR(outfid,"altitude",NF_REAL,1,datashape(3),alt_varid) |
---|
591 | if (ierr.ne.NF_NOERR) then |
---|
592 | stop "Error: Could not define altitude variable" |
---|
593 | endif |
---|
594 | |
---|
595 | ! altitude attributes |
---|
596 | ! preliminary stuff, get input file altitude variable ID |
---|
597 | ierr=NF_INQ_VARID(infid,"altitude",tmpvarid) |
---|
598 | |
---|
599 | ! look for a 'long_name' attribute |
---|
600 | text=" " |
---|
601 | ierr=NF_GET_ATT_TEXT(infid,tmpvarid,"long_name",text) |
---|
602 | if (ierr.eq.NF_NOERR) then |
---|
603 | ! found the attribute; write it to output file |
---|
604 | ierr=NF_PUT_ATT_TEXT(outfid,alt_varid,'long_name',len_trim(text),text) |
---|
605 | endif |
---|
606 | |
---|
607 | ! look for a 'unit' attribute |
---|
608 | text=" " |
---|
609 | ierr=NF_GET_ATT_TEXT(infid,tmpvarid,"units",text) |
---|
610 | if (ierr.eq.NF_NOERR) then |
---|
611 | ! found the attribute; write it to output file |
---|
612 | ierr=NF_PUT_ATT_TEXT(outfid,alt_varid,'units',len_trim(text),text) |
---|
613 | endif |
---|
614 | |
---|
615 | ! look for a 'positive' attribute |
---|
616 | text=" " |
---|
617 | ierr=NF_GET_ATT_TEXT(infid,tmpvarid,"positive",text) |
---|
618 | if (ierr.eq.NF_NOERR) then |
---|
619 | ! found the attribute; write it to output file |
---|
620 | ierr=NF_PUT_ATT_TEXT(outfid,alt_varid,'positive',len_trim(text),text) |
---|
621 | endif |
---|
622 | |
---|
623 | ! sigma levels or hybrid coordinates |
---|
624 | if (have_sigma) then |
---|
625 | ierr=NF_DEF_VAR(outfid,"sigma",NF_REAL,1,alt_dimid,sigma_varid) |
---|
626 | if (ierr.ne.NF_NOERR) then |
---|
627 | stop "Error: Could not define sigma variable" |
---|
628 | endif |
---|
629 | else ! hybrid coordinates |
---|
630 | ierr=NF_DEF_VAR(outfid,"aps",NF_REAL,1,alt_dimid,aps_varid) |
---|
631 | if (ierr.ne.NF_NOERR) then |
---|
632 | stop "Error: Could not define aps variable" |
---|
633 | endif |
---|
634 | ierr=NF_DEF_VAR(outfid,"bps",NF_REAL,1,alt_dimid,bps_varid) |
---|
635 | if (ierr.ne.NF_NOERR) then |
---|
636 | stop "Error: Could not define bps variable" |
---|
637 | endif |
---|
638 | endif |
---|
639 | |
---|
640 | ! sigma levels (or hybrid coordinates) attributes |
---|
641 | if (have_sigma) then |
---|
642 | text="sigma levels" |
---|
643 | ierr=NF_PUT_ATT_TEXT(outfid,sigma_varid,'long_name',len_trim(text),text) |
---|
644 | if (ierr.ne.NF_NOERR) then |
---|
645 | stop "Error: Problem writing long_name for sigma" |
---|
646 | endif |
---|
647 | else ! hybrid coordinates |
---|
648 | text="hybrid pressure at midlayers" |
---|
649 | ierr=NF_PUT_ATT_TEXT(outfid,aps_varid,'long_name',len_trim(text),text) |
---|
650 | if (ierr.ne.NF_NOERR) then |
---|
651 | stop "Error: Problem writing long_name for aps" |
---|
652 | endif |
---|
653 | text="hybrid sigma at midlayers" |
---|
654 | ierr=NF_PUT_ATT_TEXT(outfid,bps_varid,'long_name',len_trim(text),text) |
---|
655 | if (ierr.ne.NF_NOERR) then |
---|
656 | stop "Error: Problem writing long_name for bps" |
---|
657 | endif |
---|
658 | endif ! of if (have_sigma) |
---|
659 | |
---|
660 | ! time |
---|
661 | datashape(4)=time_dimid |
---|
662 | ierr=NF_DEF_VAR(outfid,"Time",NF_REAL,1,datashape(4),time_varid) |
---|
663 | if (ierr.ne.NF_NOERR) then |
---|
664 | stop "Error: Could not define Time variable" |
---|
665 | endif |
---|
666 | |
---|
667 | ! time attributes |
---|
668 | ! preliminary stuff, get input file time variable ID |
---|
669 | ierr=NF_INQ_VARID(infid,"Time",tmpvarid) |
---|
670 | ! look for a 'unit' attribute |
---|
671 | text=" " |
---|
672 | ierr=NF_GET_ATT_TEXT(infid,tmpvarid,"units",text) |
---|
673 | if (ierr.eq.NF_NOERR) then |
---|
674 | ! found the attribute; write it to output file |
---|
675 | ierr=NF_PUT_ATT_TEXT(outfid,time_varid,'units',len_trim(text),text) |
---|
676 | else |
---|
677 | ! write something not too stupid |
---|
678 | text='days since 0000-01-1 00:00:00' |
---|
679 | ierr=NF_PUT_ATT_TEXT(outfid,time_varid,'units',len_trim(text),text) |
---|
680 | if (ierr.ne.NF_NOERR) then |
---|
681 | stop "Error: Problem writing units for Time" |
---|
682 | endif |
---|
683 | endif |
---|
684 | |
---|
685 | ! 2.3.2 Define 2D (lon-lat, time independent) variables |
---|
686 | |
---|
687 | ! ground geopotential |
---|
688 | if (have_geopot) then |
---|
689 | if (have_geopot) then |
---|
690 | ierr=NF_DEF_VAR(outfid,"phisinit",NF_REAL,2,datashape,phisinit_varid) |
---|
691 | if (ierr.ne.NF_NOERR) then |
---|
692 | stop "Error: Could not define phisinit variable" |
---|
693 | endif |
---|
694 | endif |
---|
695 | ! ground geopotential attributes |
---|
696 | text='Geopotential at the surface' |
---|
697 | ierr=NF_PUT_ATT_TEXT(outfid,phisinit_varid,'long_name',len_trim(text),text) |
---|
698 | if (ierr.ne.NF_NOERR) then |
---|
699 | stop "Error: Problem writing long_name for phisinit" |
---|
700 | endif |
---|
701 | endif ! of if (have_geopot) |
---|
702 | |
---|
703 | ! 2.3.3 Define 3D&4D variables (ie: surface/volume+time variables) |
---|
704 | |
---|
705 | ! variables requested by user |
---|
706 | allocate(var_id(nbvar)) |
---|
707 | do i=1,nbvar |
---|
708 | ! Get the (input file) ID of the variable (stored in tmpvarid) |
---|
709 | ierr=NF_INQ_VARID(infid,var(i),tmpvarid) |
---|
710 | if (ierr.ne.NF_NOERR) then |
---|
711 | write(*,*) 'Error, failed to get ID for input variable ',trim(var(i)) |
---|
712 | stop "" |
---|
713 | endif |
---|
714 | |
---|
715 | ! Get # of dimensions of the variable |
---|
716 | ! and define the variable in output file |
---|
717 | write(*,*) "" |
---|
718 | write(*,*) "Creating ",trim(var(i)) |
---|
719 | ierr=NF_INQ_VARNDIMS(infid,tmpvarid,tmpndims) |
---|
720 | if (tmpndims.eq.3) then |
---|
721 | datashape(3)=time_dimid |
---|
722 | ierr=NF_DEF_VAR(outfid,var(i),NF_REAL,3,datashape,var_id(i)) |
---|
723 | else |
---|
724 | if (tmpndims.eq.4) then |
---|
725 | datashape(3)=alt_dimid |
---|
726 | datashape(4)=time_dimid |
---|
727 | ierr=NF_DEF_VAR(outfid,var(i),NF_REAL,4,datashape,var_id(i)) |
---|
728 | else |
---|
729 | write(*,*) "Error: number of dimensions of input variable ",trim(var(i)) |
---|
730 | write(*,*) " is ",tmpndims |
---|
731 | stop |
---|
732 | endif |
---|
733 | endif |
---|
734 | if (ierr.ne.NF_NOERR) then |
---|
735 | write(*,*) 'Error, could not define variable ',trim(var(i)) |
---|
736 | stop "" |
---|
737 | endif |
---|
738 | |
---|
739 | ! Get the (input file) ID for the variable and |
---|
740 | ! the # of attributes associated to that variable |
---|
741 | ierr=NF_INQ_VARNATTS(infid,tmpvarid,nbattr) |
---|
742 | if (ierr.ne.NF_NOERR) then |
---|
743 | write(*,*) 'Error, could not get number of attributes for variable ',& |
---|
744 | trim(var(i)) |
---|
745 | stop "" |
---|
746 | endif |
---|
747 | ! inititialize j == number of attributes written to output |
---|
748 | j=0 |
---|
749 | |
---|
750 | ! look for a "long_name" attribute (or eventually a 'title' attribute) |
---|
751 | text=' ' |
---|
752 | ierr=NF_GET_ATT_TEXT(infid,tmpvarid,'long_name',text) |
---|
753 | if (ierr.ne.NF_NOERR) then ! no long_name attribute |
---|
754 | ! try to find an equivalent 'title' attribute |
---|
755 | text=' ' |
---|
756 | ierr=NF_GET_ATT_TEXT(infid,tmpvarid,'title',text) |
---|
757 | if (ierr.eq.NF_NOERR) then ! found 'title' attribute |
---|
758 | write(*,*) "Found title ",trim(text) |
---|
759 | j=j+1 |
---|
760 | ! write it as a 'long_name' attribute |
---|
761 | ierr=NF_PUT_ATT_TEXT(outfid,var_id(i),'long_name',len_trim(text),text) |
---|
762 | if (ierr.ne.NF_NOERR) then |
---|
763 | write(*,*) "Error failed to copy title attribute:",trim(text) |
---|
764 | stop "" |
---|
765 | endif |
---|
766 | endif |
---|
767 | else ! found long_name; write it to outfile |
---|
768 | write(*,*) "Found long_name ",trim(text) |
---|
769 | j=j+1 |
---|
770 | ierr=NF_PUT_ATT_TEXT(outfid,var_id(i),'long_name',len_trim(text),text) |
---|
771 | if (ierr.ne.NF_NOERR) then |
---|
772 | write(*,*) "Error failed to copy long_name attribute:",trim(text) |
---|
773 | stop"" |
---|
774 | endif |
---|
775 | endif |
---|
776 | |
---|
777 | ! look for a "units" attribute |
---|
778 | text=' ' |
---|
779 | ierr=NF_GET_ATT_TEXT(infid,tmpvarid,'units',text) |
---|
780 | if (ierr.eq.NF_NOERR) then ! found 'units' attribute |
---|
781 | write(*,*) "Found units ",trim(text) |
---|
782 | j=j+1 |
---|
783 | ! write it to output |
---|
784 | ierr=NF_PUT_ATT_TEXT(outfid,var_id(i),'units',len_trim(text),text) |
---|
785 | if (ierr.ne.NF_NOERR) then |
---|
786 | write(*,*) "Error failed to copy units attribute:",trim(text) |
---|
787 | stop"" |
---|
788 | endif |
---|
789 | endif |
---|
790 | |
---|
791 | ! look for a "missing_value" attribute |
---|
792 | ierr=NF_GET_ATT_REAL(infid,tmpvarid,"missing_value",miss_val) |
---|
793 | if (ierr.eq.NF_NOERR) then ! found 'missing_value' attribute |
---|
794 | write(*,*) "Found missing_value ",miss_val |
---|
795 | j=j+1 |
---|
796 | else ! no 'missing_value' attribute, set miss_val to default |
---|
797 | miss_val=miss_val_def |
---|
798 | endif |
---|
799 | |
---|
800 | ! write the missing_value attribute to output |
---|
801 | ierr=NF_PUT_ATT_REAL(outfid,var_id(i),'missing_value',NF_REAL,1,miss_val) |
---|
802 | if (ierr.ne.NF_NOERR) then |
---|
803 | stop "Error, failed to write missing_value attribute" |
---|
804 | endif |
---|
805 | |
---|
806 | ! warn if some attributes were missed |
---|
807 | if (j.ne.nbattr) then |
---|
808 | write(*,*)'Warning, it seems some attributes of variable ',trim(var(i)) |
---|
809 | write(*,*)"were not transfered to the new file" |
---|
810 | write(*,*)'nbattr:',nbattr,' j:',j |
---|
811 | endif |
---|
812 | |
---|
813 | enddo ! of do i=1,nbvar |
---|
814 | |
---|
815 | !=============================================================================== |
---|
816 | ! 2.4. Write dimensions (and time-independent variables) |
---|
817 | !=============================================================================== |
---|
818 | ! Switch out of NetCDF define mode |
---|
819 | ierr=NF_ENDDEF(outfid) |
---|
820 | if (ierr.ne.NF_NOERR) then |
---|
821 | stop "Error: Could not switch out of define mode" |
---|
822 | endif |
---|
823 | |
---|
824 | ! Write longitude |
---|
825 | ierr=NF_PUT_VAR_REAL(outfid,lon_varid,lon) |
---|
826 | if (ierr.ne.NF_NOERR) then |
---|
827 | stop "Error: Could not write longitude data to output file" |
---|
828 | endif |
---|
829 | |
---|
830 | ! Write latitude |
---|
831 | ierr=NF_PUT_VAR_REAL(outfid,lat_varid,lat) |
---|
832 | if (ierr.ne.NF_NOERR) then |
---|
833 | stop "Error: Could not write latitude data to output file" |
---|
834 | endif |
---|
835 | |
---|
836 | ! write altitude |
---|
837 | ierr=NF_PUT_VAR_REAL(outfid,alt_varid,alt) |
---|
838 | if (ierr.ne.NF_NOERR) then |
---|
839 | stop "Error: Could not write altitude data to output file" |
---|
840 | endif |
---|
841 | |
---|
842 | ! Write sigma levels (or hybrid coordinates) |
---|
843 | if (have_sigma) then |
---|
844 | ierr=NF_PUT_VAR_REAL(outfid,sigma_varid,sigma) |
---|
845 | if (ierr.ne.NF_NOERR) then |
---|
846 | stop "Error: Could not write sigma data to output file" |
---|
847 | endif |
---|
848 | else ! hybrid coordinates |
---|
849 | ierr=NF_PUT_VAR_REAL(outfid,aps_varid,aps) |
---|
850 | if (ierr.ne.NF_NOERR) then |
---|
851 | stop "Error: Could not write aps data to output file" |
---|
852 | endif |
---|
853 | ierr=NF_PUT_VAR_REAL(outfid,bps_varid,bps) |
---|
854 | if (ierr.ne.NF_NOERR) then |
---|
855 | stop "Error: Could not write bps data to output file" |
---|
856 | endif |
---|
857 | endif |
---|
858 | |
---|
859 | ! write time |
---|
860 | ierr=NF_PUT_VAR_REAL(outfid,time_varid,time) |
---|
861 | if (ierr.ne.NF_NOERR) then |
---|
862 | stop "Error: Could not write Time data to output file" |
---|
863 | endif |
---|
864 | |
---|
865 | !=============================================================================== |
---|
866 | ! 3. Interpolate and write 2D variables |
---|
867 | !=============================================================================== |
---|
868 | write(*,*) "interpolate 2D variables" |
---|
869 | allocate(in_2d_data(inlonlength,inlatlength)) |
---|
870 | allocate(wk_2d_data(wklonlength,wklatlength)) |
---|
871 | allocate(out_2d_data(lonlength,latlength)) |
---|
872 | |
---|
873 | ! ground geopotential |
---|
874 | if (have_geopot) then |
---|
875 | ! load input geopotential: get ID for input phisinit |
---|
876 | ierr=NF_INQ_VARID(infid,"phisinit",tmpvarid) |
---|
877 | if (ierr.ne.NF_NOERR) then |
---|
878 | stop "Error: Failed to get phisinit ID" |
---|
879 | endif |
---|
880 | ! Get physinit |
---|
881 | ierr=NF_GET_VAR_REAL(infid,tmpvarid,in_2d_data) |
---|
882 | if (ierr.ne.NF_NOERR) then |
---|
883 | stop "Error: Failed reading input phisinit" |
---|
884 | endif |
---|
885 | |
---|
886 | ! interpolate onto new grid |
---|
887 | call interp_horiz(in_2d_data,wk_2d_data,inlonlength-1,inlatlength-1,& |
---|
888 | wklonlength-1,wklatlength-1,1,& |
---|
889 | in_lon_bound,in_lat_bound,wk_lon_bound,wk_lat_bound) |
---|
890 | |
---|
891 | ! copy (and possibly reshape) data to output grid |
---|
892 | if (out_has_poles) then |
---|
893 | out_2d_data(1:lonlength,1:latlength)=wk_2d_data(1:lonlength,1:latlength) |
---|
894 | else |
---|
895 | out_2d_data(1:lonlength,1:latlength)=wk_2d_data(1:lonlength,2:latlength+1) |
---|
896 | endif |
---|
897 | |
---|
898 | ! write interpolated phisinit to output |
---|
899 | ierr=NF_PUT_VAR_REAL(outfid,phisinit_varid,out_2d_data) |
---|
900 | if (ierr.ne.NF_NOERR) then |
---|
901 | stop "Error: Could not write phisinit data to output file" |
---|
902 | endif |
---|
903 | endif ! of if (have_geopot) |
---|
904 | |
---|
905 | !=============================================================================== |
---|
906 | ! 4. Interpolate and write 3D (surface+time) variables |
---|
907 | !=============================================================================== |
---|
908 | write(*,*) "interpolate 3D variables" |
---|
909 | allocate(in_3d_data(inlonlength,inlatlength,timelength)) |
---|
910 | allocate(wk_3d_data(wklonlength,wklatlength,timelength)) |
---|
911 | allocate(out_3d_data(lonlength,latlength,timelength)) |
---|
912 | |
---|
913 | do i=1,nbvar ! loop on all selected 3D&4D variables |
---|
914 | ! get input file ID for this variable |
---|
915 | ierr=NF_INQ_VARID(infid,var(i),tmpvarid) |
---|
916 | if (ierr.ne.NF_NOERR) then |
---|
917 | write(*,*) "Error: Failed to get input ID for ",trim(var(i)) |
---|
918 | stop |
---|
919 | endif |
---|
920 | ! get # of dimensions for this variable |
---|
921 | ierr=NF_INQ_VARNDIMS(infid,tmpvarid,tmpndims) |
---|
922 | |
---|
923 | if (tmpndims.eq.3) then ! if it is indeed at 3D variable |
---|
924 | ! get the data |
---|
925 | ierr=NF_GET_VAR_REAL(infid,tmpvarid,in_3d_data) |
---|
926 | if (ierr.ne.NF_NOERR) then |
---|
927 | write(*,*) "Error: Failed reading input ",trim(var(i)) |
---|
928 | stop |
---|
929 | endif |
---|
930 | ! interpolate data |
---|
931 | do j=1,timelength |
---|
932 | call interp_horiz(in_3d_data(1,1,j),wk_3d_data(1,1,j),& |
---|
933 | inlonlength-1,inlatlength-1,& |
---|
934 | wklonlength-1,wklatlength-1,1,& |
---|
935 | in_lon_bound,in_lat_bound,wk_lon_bound,wk_lat_bound) |
---|
936 | ! copy (and possibly reshape) data to output grid |
---|
937 | if (out_has_poles) then |
---|
938 | out_3d_data(1:lonlength,1:latlength,j)=& |
---|
939 | wk_3d_data(1:lonlength,1:latlength,j) |
---|
940 | else |
---|
941 | out_3d_data(1:lonlength,1:latlength,j)=& |
---|
942 | wk_3d_data(1:lonlength,2:latlength+1,j) |
---|
943 | endif |
---|
944 | enddo |
---|
945 | ! write interpolated data to output |
---|
946 | ierr=NF_PUT_VAR_REAL(outfid,var_id(i),out_3d_data) |
---|
947 | if (ierr.ne.NF_NOERR) then |
---|
948 | write(*,*) "Error: Could not write ",trim(var(i))," data to output file" |
---|
949 | stop |
---|
950 | else |
---|
951 | write(*,*) "wrote ",trim(var(i)) |
---|
952 | endif |
---|
953 | endif ! of if (tmpndims.eq.3) |
---|
954 | |
---|
955 | enddo ! of do i=1,nbvar |
---|
956 | |
---|
957 | !=============================================================================== |
---|
958 | ! 5. Interpolate and write 4D variables |
---|
959 | !=============================================================================== |
---|
960 | allocate(in_4d_data(inlonlength,inlatlength,altlength,timelength)) |
---|
961 | allocate(wk_4d_data(wklonlength,wklatlength,altlength,timelength)) |
---|
962 | allocate(out_4d_data(lonlength,latlength,altlength,timelength)) |
---|
963 | |
---|
964 | do i=1,nbvar ! loop on all selected 3D&4D variables |
---|
965 | ! get input file ID for this variable |
---|
966 | ierr=NF_INQ_VARID(infid,var(i),tmpvarid) |
---|
967 | if (ierr.ne.NF_NOERR) then |
---|
968 | write(*,*) "Error: Failed to get input ID for ",trim(var(i)) |
---|
969 | stop |
---|
970 | endif |
---|
971 | ! get # of dimensions for this variable |
---|
972 | ierr=NF_INQ_VARNDIMS(infid,tmpvarid,tmpndims) |
---|
973 | |
---|
974 | if (tmpndims.eq.4) then ! if it is indeed at 4D variable |
---|
975 | ! get the data |
---|
976 | ierr=NF_GET_VAR_REAL(infid,tmpvarid,in_4d_data) |
---|
977 | if (ierr.ne.NF_NOERR) then |
---|
978 | write(*,*) "Error: Failed reading input ",trim(var(i)) |
---|
979 | stop |
---|
980 | endif |
---|
981 | ! interpolate data |
---|
982 | do j=1,timelength |
---|
983 | call interp_horiz(in_4d_data(1,1,1,j),wk_4d_data(1,1,1,j),& |
---|
984 | inlonlength-1,inlatlength-1,& |
---|
985 | wklonlength-1,wklatlength-1,altlength,& |
---|
986 | in_lon_bound,in_lat_bound,wk_lon_bound,wk_lat_bound) |
---|
987 | ! copy (and possibly reshape) data to output grid |
---|
988 | if (out_has_poles) then |
---|
989 | out_4d_data(1:lonlength,1:latlength,1:altlength,j)=& |
---|
990 | wk_4d_data(1:lonlength,1:latlength,1:altlength,j) |
---|
991 | else |
---|
992 | out_4d_data(1:lonlength,1:latlength,1:altlength,j)=& |
---|
993 | wk_4d_data(1:lonlength,2:latlength+1,1:altlength,j) |
---|
994 | endif |
---|
995 | enddo |
---|
996 | ! write interpolated data to output |
---|
997 | ierr=NF_PUT_VAR_REAL(outfid,var_id(i),out_4d_data) |
---|
998 | if (ierr.ne.NF_NOERR) then |
---|
999 | write(*,*) "Error: Could not write ",trim(var(i))," data to output file" |
---|
1000 | stop |
---|
1001 | else |
---|
1002 | write(*,*) "wrote ",trim(var(i)) |
---|
1003 | endif |
---|
1004 | endif ! of if (tmpndims.eq.3) |
---|
1005 | |
---|
1006 | enddo ! of do i=1,nbvar |
---|
1007 | |
---|
1008 | !=============================================================================== |
---|
1009 | ! 6. Close output file |
---|
1010 | !=============================================================================== |
---|
1011 | ierr=NF_CLOSE(outfid) |
---|
1012 | if (ierr.ne.NF_NOERR) then |
---|
1013 | write(*,*) 'Error, failed to close output file ',outfile |
---|
1014 | endif |
---|
1015 | |
---|
1016 | end program hrecast |
---|
1017 | |
---|
1018 | |
---|
1019 | |
---|
1020 | !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! |
---|
1021 | subroutine interp_horiz (varo,varn,imo,jmo,imn,jmn,lm, & |
---|
1022 | & rlonuo,rlatvo,rlonun,rlatvn) |
---|
1023 | |
---|
1024 | !=========================================================== |
---|
1025 | ! Interpolation Horizontales des variables d'une grille LMDZ |
---|
1026 | ! (des points SCALAIRES au point SCALAIRES) |
---|
1027 | ! dans une autre grille LMDZ en conservant la quantite |
---|
1028 | ! totale pour les variables intensives (/m2) : ex : Pression au sol |
---|
1029 | ! |
---|
1030 | ! Francois Forget (01/1995) |
---|
1031 | !=========================================================== |
---|
1032 | |
---|
1033 | IMPLICIT NONE |
---|
1034 | |
---|
1035 | ! Declarations: |
---|
1036 | ! ============== |
---|
1037 | ! |
---|
1038 | ! ARGUMENTS |
---|
1039 | ! """"""""" |
---|
1040 | |
---|
1041 | INTEGER imo, jmo ! dimensions ancienne grille (input) |
---|
1042 | INTEGER imn,jmn ! dimensions nouvelle grille (input) |
---|
1043 | |
---|
1044 | REAL rlonuo(imo+1) ! Latitude et |
---|
1045 | REAL rlatvo(jmo) ! longitude des |
---|
1046 | REAL rlonun(imn+1) ! bord des |
---|
1047 | REAL rlatvn(jmn) ! cases "scalaires" (input) |
---|
1048 | |
---|
1049 | INTEGER lm ! dimension verticale (input) |
---|
1050 | REAL varo (imo+1, jmo+1,lm) ! var dans l'ancienne grille (input) |
---|
1051 | REAL varn (imn+1,jmn+1,lm) ! var dans la nouvelle grille (output) |
---|
1052 | |
---|
1053 | ! Autres variables |
---|
1054 | ! """""""""""""""" |
---|
1055 | INTEGER imnmx2,jmnmx2 |
---|
1056 | ! parameter (imnmx2=190,jmnmx2=100) |
---|
1057 | parameter (imnmx2=360,jmnmx2=190) |
---|
1058 | REAL airetest(imnmx2+1,jmnmx2+1) |
---|
1059 | INTEGER ii,jj,l |
---|
1060 | |
---|
1061 | REAL airen ((imnmx2+1)*(jmnmx2+1)) ! aire dans la nouvelle grille |
---|
1062 | REAL airentotn ! aire totale pole nord dans la nouvelle grille |
---|
1063 | REAL airentots ! aire totale pole sud dans la nouvelle grille |
---|
1064 | ! Info sur les ktotal intersection entre les cases new/old grille |
---|
1065 | |
---|
1066 | ! kmax: le nombre max d'intersections entre les 2 grilles horizontales |
---|
1067 | ! On fixe kmax a la taille de la grille des donnees martiennes (360x179) |
---|
1068 | ! + des pouiemes (cas ou une maille est a cheval sur 2 ou 4 mailles) |
---|
1069 | ! Il y a un test dans iniinterp_h pour s'assurer que ktotal < kmax |
---|
1070 | INTEGER kmax, k, ktotal |
---|
1071 | parameter (kmax = 360*179 + 200000) |
---|
1072 | ! parameter (kmax = 360*179 + 40000) |
---|
1073 | |
---|
1074 | INTEGER iik(kmax), jjk(kmax),jk(kmax),ik(kmax) |
---|
1075 | REAL intersec(kmax) |
---|
1076 | REAL R |
---|
1077 | REAL totn, tots |
---|
1078 | integer prev_sumdim |
---|
1079 | save prev_sumdim |
---|
1080 | data prev_sumdim /0/ |
---|
1081 | |
---|
1082 | |
---|
1083 | logical firsttest, aire_ok |
---|
1084 | save firsttest |
---|
1085 | data firsttest /.true./ |
---|
1086 | data aire_ok /.true./ |
---|
1087 | |
---|
1088 | integer imoS,jmoS,imnS,jmnS |
---|
1089 | save imoS,jmoS,imnS,jmnS |
---|
1090 | save ktotal,iik,jjk,jk,ik,intersec,airen |
---|
1091 | ! REAL pi |
---|
1092 | |
---|
1093 | ! Test dimensions imnmx2 jmnmx2 |
---|
1094 | !"""""""""""""""""""""""""""""" |
---|
1095 | ! test dimensionnement tableau airetest |
---|
1096 | if (imn.GT.imnmx2.OR.jmn.GT.jmnmx2) then |
---|
1097 | write(*,*) 'STOP pb dimensionnement tableau airetest' |
---|
1098 | write(*,*) 'il faut imn < imnmx2 et jmn < jmnmx2' |
---|
1099 | write(*,*) 'imn imnmx2', imn,imnmx2 |
---|
1100 | write(*,*) 'jmn jmnmx2', jmn,jmnmx2 |
---|
1101 | call exit(1) |
---|
1102 | endif |
---|
1103 | |
---|
1104 | ! initialisation |
---|
1105 | ! -------------- |
---|
1106 | ! Si c'est le premier appel, on prepare l'interpolation |
---|
1107 | ! en calculant pour chaque case autour d'un point scalaire de la |
---|
1108 | ! nouvelle grille, la surface de intersection avec chaque |
---|
1109 | ! case de l'ancienne grille. |
---|
1110 | |
---|
1111 | ! This must also be done if we change the dimension |
---|
1112 | if (imo+jmo+imn+jmn.ne.prev_sumdim) then |
---|
1113 | firsttest=.true. |
---|
1114 | prev_sumdim=imo+jmo+imn+jmn |
---|
1115 | end if |
---|
1116 | |
---|
1117 | if (firsttest) then |
---|
1118 | call iniinterp_h(imo,jmo,imn,jmn ,kmax, & |
---|
1119 | & rlonuo,rlatvo,rlonun,rlatvn, & |
---|
1120 | & ktotal,iik,jjk,jk,ik,intersec,airen) |
---|
1121 | imoS=imo |
---|
1122 | jmoS=jmo |
---|
1123 | imnS=imn |
---|
1124 | jmnS=jmn |
---|
1125 | else |
---|
1126 | if(imo.NE.imoS.OR.jmo.NE.jmoS.OR.imn.NE.imnS.OR.jmn.NE.jmnS) then |
---|
1127 | call iniinterp_h(imo,jmo,imn,jmn ,kmax, & |
---|
1128 | & rlonuo,rlatvo,rlonun,rlatvn, & |
---|
1129 | & ktotal,iik,jjk,jk,ik,intersec,airen) |
---|
1130 | imoS=imo |
---|
1131 | jmoS=jmo |
---|
1132 | imnS=imn |
---|
1133 | jmnS=jmn |
---|
1134 | end if |
---|
1135 | end if |
---|
1136 | |
---|
1137 | do l=1,lm |
---|
1138 | do jj =1 , jmn+1 |
---|
1139 | do ii=1, imn+1 |
---|
1140 | varn(ii,jj,l) =0. |
---|
1141 | end do |
---|
1142 | end do |
---|
1143 | end do |
---|
1144 | |
---|
1145 | ! Interpolation horizontale |
---|
1146 | ! ------------------------- |
---|
1147 | ! boucle sur toute les ktotal intersections entre les cases |
---|
1148 | ! de l'ancienne et la nouvelle grille |
---|
1149 | ! |
---|
1150 | |
---|
1151 | do k=1,ktotal |
---|
1152 | do l=1,lm |
---|
1153 | varn(iik(k),jjk(k),l) = varn(iik(k),jjk(k),l) & |
---|
1154 | & + varo(ik(k), jk(k),l)*intersec(k)/airen(iik(k) & |
---|
1155 | & +(jjk(k)-1)*(imn+1)) |
---|
1156 | end do |
---|
1157 | end do |
---|
1158 | |
---|
1159 | ! Une seule valeur au pole pour les variables ! : |
---|
1160 | ! ----------------------------------------------- |
---|
1161 | DO l=1, lm |
---|
1162 | totn =0. |
---|
1163 | tots =0. |
---|
1164 | |
---|
1165 | |
---|
1166 | ! moyenne du champ au poles (ponderee par les aires) |
---|
1167 | !""""""""""""""""""""""""""""""" |
---|
1168 | airentotn=0. |
---|
1169 | airentots=0. |
---|
1170 | |
---|
1171 | do ii =1, imn+1 |
---|
1172 | totn = totn + varn(ii,1,l)*airen(ii) |
---|
1173 | tots = tots + varn (ii,jmn+1,l)*airen(jmn*(imn+1)+ii) |
---|
1174 | airentotn=airentotn + airen(ii) |
---|
1175 | airentots=airentots + airen(jmn*(imn+1)+ii) |
---|
1176 | end do |
---|
1177 | |
---|
1178 | do ii =1, imn+1 |
---|
1179 | varn(ii,1,l) = totn/airentotn |
---|
1180 | varn(ii,jmn+1,l) = tots/airentots |
---|
1181 | end do |
---|
1182 | |
---|
1183 | ENDDO |
---|
1184 | |
---|
1185 | |
---|
1186 | !--------------------------------------------------------------- |
---|
1187 | ! TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST |
---|
1188 | if (firsttest) then |
---|
1189 | ! pi=2.*asin(1.) |
---|
1190 | firsttest = .false. |
---|
1191 | ! write (*,*) 'INTERP. HORIZ. : TEST SUR LES AIRES:' |
---|
1192 | |
---|
1193 | do jj =1 , jmn+1 |
---|
1194 | do ii=1, imn+1 |
---|
1195 | airetest(ii,jj) =0. |
---|
1196 | end do |
---|
1197 | end do |
---|
1198 | do k=1,ktotal |
---|
1199 | airetest(iik(k),jjk(k))= airetest(iik(k),jjk(k)) +intersec(k) |
---|
1200 | end do |
---|
1201 | do jj =1 , jmn+1 |
---|
1202 | do ii=1, imn+1 |
---|
1203 | r = airen(ii+(jj-1)*(imn+1))/airetest(ii,jj) |
---|
1204 | if ((r.gt.1.001).or.(r.lt.0.999)) then |
---|
1205 | write (*,*) '********** PROBLEME D'' AIRES !!!', & |
---|
1206 | & ' DANS L''INTERPOLATION HORIZONTALE' |
---|
1207 | write(*,*)'ii,jj,airen,airetest', & |
---|
1208 | & ii,jj,airen(ii+(jj-1)*(imn+1)),airetest(ii,jj) |
---|
1209 | aire_ok = .false. |
---|
1210 | end if |
---|
1211 | end do |
---|
1212 | end do |
---|
1213 | ! if (aire_ok) write(*,*) 'INTERP. HORIZ. : AIRES OK' |
---|
1214 | endif |
---|
1215 | |
---|
1216 | ! FIN TEST FIN TEST FIN TEST FIN TEST FIN TEST FIN TEST FIN TEST |
---|
1217 | ! -------------------------------------------------------------------- |
---|
1218 | |
---|
1219 | |
---|
1220 | return |
---|
1221 | end |
---|
1222 | !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! |
---|
1223 | subroutine iniinterp_h (imo,jmo,imn,jmn ,kmax, & |
---|
1224 | & rlonuo,rlatvo,rlonun,rlatvn, & |
---|
1225 | & ktotal,iik,jjk,jk,ik,intersec,airen) |
---|
1226 | |
---|
1227 | implicit none |
---|
1228 | |
---|
1229 | |
---|
1230 | |
---|
1231 | ! --------------------------------------------------------- |
---|
1232 | ! Prepare l' interpolation des variables d'une grille LMDZ |
---|
1233 | ! dans une autre grille LMDZ en conservant la quantite |
---|
1234 | ! totale pour les variables intensives (/m2) : ex : Pression au sol |
---|
1235 | ! |
---|
1236 | ! (Pour chaque case autour d'un point scalaire de la nouvelle |
---|
1237 | ! grille, on calcule la surface (en m2)en intersection avec chaque |
---|
1238 | ! case de l'ancienne grille , pour la future interpolation) |
---|
1239 | ! |
---|
1240 | ! on calcule aussi l' aire dans la nouvelle grille |
---|
1241 | ! |
---|
1242 | ! |
---|
1243 | ! Auteur: F.Forget 01/1995 |
---|
1244 | ! ------- |
---|
1245 | ! |
---|
1246 | ! --------------------------------------------------------- |
---|
1247 | ! Declarations: |
---|
1248 | ! ============== |
---|
1249 | ! |
---|
1250 | ! ARGUMENTS |
---|
1251 | ! """"""""" |
---|
1252 | ! INPUT |
---|
1253 | integer imo, jmo ! dimensions ancienne grille |
---|
1254 | integer imn,jmn ! dimensions nouvelle grille |
---|
1255 | integer kmax ! taille du tableau des intersections |
---|
1256 | real rlonuo(imo+1) ! Latitude et |
---|
1257 | real rlatvo(jmo) ! longitude des |
---|
1258 | real rlonun(imn+1) ! bord des |
---|
1259 | real rlatvn(jmn) ! cases "scalaires" (input) |
---|
1260 | |
---|
1261 | ! OUTPUT |
---|
1262 | integer ktotal ! nombre totale d''intersections reperees |
---|
1263 | integer iik(kmax), jjk(kmax),jk(kmax),ik(kmax) |
---|
1264 | real intersec(kmax) ! surface des intersections (m2) |
---|
1265 | real airen (imn+1,jmn+1) ! aire dans la nouvelle grille |
---|
1266 | |
---|
1267 | |
---|
1268 | |
---|
1269 | |
---|
1270 | ! Autres variables |
---|
1271 | ! """""""""""""""" |
---|
1272 | integer i,j,ii,jj |
---|
1273 | integer imomx,jmomx,imnmx1,jmnmx1 |
---|
1274 | ! parameter (imomx=361,jmomx=180,imnmx1=190,jmnmx1=100) |
---|
1275 | parameter (imomx=361,jmomx=180,imnmx1=360,jmnmx1=190) |
---|
1276 | real a(imomx+1),b(imomx+1),c(jmomx+1),d(jmomx+1) |
---|
1277 | real an(imnmx1+1),bn(imnmx1+1) |
---|
1278 | real cn(jmnmx1+1),dn(jmnmx1+1) |
---|
1279 | real aa, bb,cc,dd |
---|
1280 | real pi |
---|
1281 | |
---|
1282 | pi = 2.*ASIN( 1. ) |
---|
1283 | |
---|
1284 | ! Test dimensions imnmx1 jmnmx1 |
---|
1285 | !"""""""""""""""""""""""""""""" |
---|
1286 | ! test dimensionnement tableau airetest |
---|
1287 | if (imn.GT.imnmx1.OR.jmn.GT.jmnmx1) then |
---|
1288 | write(*,*) 'STOP pb dimensionnement' |
---|
1289 | write(*,*) 'il faut imn < imnmx1 et jmn < jmnmx1' |
---|
1290 | write(*,*) 'imn imnmx1', imn,imnmx1 |
---|
1291 | write(*,*) 'jmn jmnmx1', jmn,jmnmx1 |
---|
1292 | call exit(1) |
---|
1293 | endif |
---|
1294 | |
---|
1295 | if (imo.GT.imomx.OR.jmo.GT.jmomx) then |
---|
1296 | write(*,*) 'STOP pb dimensionnement' |
---|
1297 | write(*,*) 'il faut imo < imomx et jmo < jmomx' |
---|
1298 | write(*,*) 'imo imomx', imo,imomx |
---|
1299 | write(*,*) 'jmo jmomx', jmo,jmomx |
---|
1300 | call exit(1) |
---|
1301 | endif |
---|
1302 | |
---|
1303 | ! On repere les frontieres des cases : |
---|
1304 | ! =================================== |
---|
1305 | ! |
---|
1306 | ! Attention, on ruse avec des latitudes = 90 deg au pole. |
---|
1307 | |
---|
1308 | |
---|
1309 | ! Ancienne grile |
---|
1310 | ! """""""""""""" |
---|
1311 | a(1) = - rlonuo(imo+1) |
---|
1312 | b(1) = rlonuo(1) |
---|
1313 | do i=2,imo+1 |
---|
1314 | a(i) = rlonuo(i-1) |
---|
1315 | b(i) = rlonuo(i) |
---|
1316 | end do |
---|
1317 | |
---|
1318 | d(1) = pi/2 |
---|
1319 | do j=1,jmo |
---|
1320 | c(j) = rlatvo(j) |
---|
1321 | d(j+1) = rlatvo(j) |
---|
1322 | end do |
---|
1323 | c(jmo+1) = -pi/2 |
---|
1324 | |
---|
1325 | |
---|
1326 | ! Nouvelle grille |
---|
1327 | ! """"""""""""""" |
---|
1328 | an(1) = - rlonun(imn+1) |
---|
1329 | bn(1) = rlonun(1) |
---|
1330 | do i=2,imn+1 |
---|
1331 | an(i) = rlonun(i-1) |
---|
1332 | bn(i) = rlonun(i) |
---|
1333 | end do |
---|
1334 | |
---|
1335 | dn(1) = pi/2 |
---|
1336 | do j=1,jmn |
---|
1337 | cn(j) = rlatvn(j) |
---|
1338 | dn(j+1) = rlatvn(j) |
---|
1339 | end do |
---|
1340 | cn(jmn+1) = -pi/2 |
---|
1341 | |
---|
1342 | ! Calcul de la surface des cases scalaires de la nouvelle grille |
---|
1343 | ! ============================================================== |
---|
1344 | do ii=1,imn + 1 |
---|
1345 | do jj = 1,jmn+1 |
---|
1346 | airen(ii,jj) = (bn(ii)-an(ii))*(sin(dn(jj))-sin(cn(jj))) |
---|
1347 | end do |
---|
1348 | end do |
---|
1349 | |
---|
1350 | ! Calcul de la surface des intersections |
---|
1351 | ! ====================================== |
---|
1352 | |
---|
1353 | !ccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc |
---|
1354 | ! test dimenssion kmax (calcul de ktotal) |
---|
1355 | !""""""""""""""""""""""""""""""""""""""" |
---|
1356 | ! Calcul de ktotal, mais ralonge beaucoup en temps => pour debug |
---|
1357 | ! write(*,*) |
---|
1358 | ! write(*,*) 'DEBUT DU TEST KMAX' |
---|
1359 | ktotal = 0 |
---|
1360 | do jj = 1,jmn+1 |
---|
1361 | do j=1, jmo+1 |
---|
1362 | if((cn(jj).lt.d(j)).and.(dn(jj).gt.c(j)))then |
---|
1363 | do ii=1,imn + 1 |
---|
1364 | do i=1, imo +1 |
---|
1365 | if ( ((an(ii).lt.b(i)).and.(bn(ii).gt.a(i))) & |
---|
1366 | & .or. ((an(ii).lt.b(i)-2*pi).and.(bn(ii).gt.a(i)-2*pi) & |
---|
1367 | & .and.(b(i)-2*pi.lt.-pi) ) & |
---|
1368 | & .or. ((an(ii).lt.b(i)+2*pi).and.(bn(ii).gt.a(i)+2*pi) & |
---|
1369 | & .and.(a(i)+2*pi.gt.pi) ) & |
---|
1370 | & )then |
---|
1371 | ktotal = ktotal +1 |
---|
1372 | end if |
---|
1373 | enddo |
---|
1374 | enddo |
---|
1375 | end if |
---|
1376 | enddo |
---|
1377 | enddo |
---|
1378 | |
---|
1379 | if (kmax.LT.ktotal) then |
---|
1380 | write(*,*) |
---|
1381 | write(*,*) '******** ATTENTION ********' |
---|
1382 | write(*,*) 'kmax =',kmax |
---|
1383 | write(*,*) 'ktotal =',ktotal |
---|
1384 | write(*,*) 'Changer la valeur de kmax dans interp_horiz.F ' |
---|
1385 | write(*,*) 'avec kmax >= ktotal' |
---|
1386 | write(*,*) 'EXIT dans iniinterp_h' |
---|
1387 | call exit(1) |
---|
1388 | else |
---|
1389 | ! write(*,*) 'kmax =',kmax |
---|
1390 | ! write(*,*) 'ktotal =',ktotal |
---|
1391 | end if |
---|
1392 | ! write(*,*) 'FIN DU TEST KMAX' |
---|
1393 | ! write(*,*) |
---|
1394 | !ccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc |
---|
1395 | |
---|
1396 | ! boucle sur la nouvelle grille |
---|
1397 | ! """""""""""""""""""""""""""" |
---|
1398 | ktotal = 0 |
---|
1399 | do jj = 1,jmn+1 |
---|
1400 | do j=1, jmo+1 |
---|
1401 | if((cn(jj).lt.d(j)).and.(dn(jj).gt.c(j)))then |
---|
1402 | do ii=1,imn + 1 |
---|
1403 | do i=1, imo +1 |
---|
1404 | if ( ((an(ii).lt.b(i)).and.(bn(ii).gt.a(i))) & |
---|
1405 | & .or. ((an(ii).lt.b(i)-2*pi).and.(bn(ii).gt.a(i)-2*pi) & |
---|
1406 | & .and.(b(i)-2*pi.lt.-pi) ) & |
---|
1407 | & .or. ((an(ii).lt.b(i)+2*pi).and.(bn(ii).gt.a(i)+2*pi) & |
---|
1408 | & .and.(a(i)+2*pi.gt.pi) ) & |
---|
1409 | & )then |
---|
1410 | ktotal = ktotal +1 |
---|
1411 | iik(ktotal) =ii |
---|
1412 | jjk(ktotal) =jj |
---|
1413 | ik(ktotal) =i |
---|
1414 | jk(ktotal) =j |
---|
1415 | |
---|
1416 | dd = min(d(j), dn(jj)) |
---|
1417 | cc = cn(jj) |
---|
1418 | if (cc.lt. c(j))cc=c(j) |
---|
1419 | if((an(ii).lt.b(i)-2*pi).and. & |
---|
1420 | & (bn(ii).gt.a(i)-2*pi)) then |
---|
1421 | bb = min(b(i)-2*pi,bn(ii)) |
---|
1422 | aa = an(ii) |
---|
1423 | if (aa.lt.a(i)-2*pi) aa=a(i)-2*pi |
---|
1424 | else if((an(ii).lt.b(i)+2*pi).and. & |
---|
1425 | & (bn(ii).gt.a(i)+2*pi)) then |
---|
1426 | bb = min(b(i)+2*pi,bn(ii)) |
---|
1427 | aa = an(ii) |
---|
1428 | if (aa.lt.a(i)+2*pi) aa=a(i)+2*pi |
---|
1429 | else |
---|
1430 | bb = min(b(i),bn(ii)) |
---|
1431 | aa = an(ii) |
---|
1432 | if (aa.lt.a(i)) aa=a(i) |
---|
1433 | end if |
---|
1434 | intersec(ktotal)=(bb-aa)*(sin(dd)-sin(cc)) |
---|
1435 | end if |
---|
1436 | end do |
---|
1437 | end do |
---|
1438 | end if |
---|
1439 | end do |
---|
1440 | end do |
---|
1441 | |
---|
1442 | |
---|
1443 | ! TEST INFO |
---|
1444 | ! DO k=1,ktotal |
---|
1445 | ! ii = iik(k) |
---|
1446 | ! jj = jjk(k) |
---|
1447 | ! i = ik(k) |
---|
1448 | ! j = jk(k) |
---|
1449 | ! if ((ii.eq.10).and.(jj.eq.10).and.(i.eq.10).and.(j.eq.10))then |
---|
1450 | ! if (jj.eq.2.and.(ii.eq.1))then |
---|
1451 | ! write(*,*) '**************** jj=',jj,'ii=',ii |
---|
1452 | ! write(*,*) 'i,j =',i,j |
---|
1453 | ! write(*,*) 'an,bn,cn,dn', an(ii), bn(ii), cn(jj),dn(jj) |
---|
1454 | ! write(*,*) 'a,b,c,d', a(i), b(i), c(j),d(j) |
---|
1455 | ! write(*,*) 'intersec(k)',intersec(k) |
---|
1456 | ! write(*,*) 'airen(ii,jj)=',airen(ii,jj) |
---|
1457 | ! end if |
---|
1458 | ! END DO |
---|
1459 | |
---|
1460 | return |
---|
1461 | end |
---|