1 | !********************************************************************** |
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2 | ! Copyright 1998,1999,2000,2001,2002,2005,2007,2008,2009,2010 * |
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3 | ! Andreas Stohl, Petra Seibert, A. Frank, Gerhard Wotawa, * |
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4 | ! Caroline Forster, Sabine Eckhardt, John Burkhart, Harald Sodemann * |
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5 | ! * |
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6 | ! This file is part of FLEXPART. * |
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7 | ! * |
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8 | ! FLEXPART is free software: you can redistribute it and/or modify * |
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9 | ! it under the terms of the GNU General Public License as published by* |
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10 | ! the Free Software Foundation, either version 3 of the License, or * |
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11 | ! (at your option) any later version. * |
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12 | ! * |
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13 | ! FLEXPART is distributed in the hope that it will be useful, * |
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14 | ! but WITHOUT ANY WARRANTY; without even the implied warranty of * |
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15 | ! MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * |
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16 | ! GNU General Public License for more details. * |
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17 | ! * |
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18 | ! You should have received a copy of the GNU General Public License * |
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19 | ! along with FLEXPART. If not, see <http://www.gnu.org/licenses/>. * |
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20 | !********************************************************************** |
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21 | |
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22 | program grib2flexpart |
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23 | |
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24 | !***************************************************************************** |
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25 | ! * |
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26 | ! This is the GRIB 2 FP conversion routine * |
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27 | ! * |
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28 | ! Author: M. Harustak * |
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29 | ! * |
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30 | ! 05 October 2015 * |
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31 | ! * |
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32 | !***************************************************************************** |
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33 | ! * |
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34 | ! Variables: * |
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35 | ! * |
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36 | ! Constants: * |
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37 | ! * |
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38 | !***************************************************************************** |
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39 | |
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40 | use point_mod |
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41 | use par_mod |
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42 | use com_mod |
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43 | use conv_mod |
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44 | |
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45 | implicit none |
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46 | |
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47 | integer :: metdata_format = unknown_metdata |
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48 | integer :: itime, nstop1 |
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49 | integer :: i |
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50 | character(len=256) :: arg |
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51 | character(len=512) :: dumpPath |
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52 | character(len=512) :: inputFileName |
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53 | character(len=512) :: nestedFileName |
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54 | character(len=32) :: lsubgridTXT |
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55 | integer :: useAvailable = 0 |
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56 | integer :: overwritecheck |
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57 | |
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58 | ! Print the GPL License statement |
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59 | !******************************************************* |
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60 | #if defined CTBTO |
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61 | print*,'Welcome to GRIB2FLEXPART Version 1.0 CTBTO' |
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62 | #else |
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63 | print*,'Welcome to GRIB2FLEXPART Version 1.0' |
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64 | #endif |
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65 | |
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66 | print*,'FLEXPART is free software released under the GNU Genera'// & |
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67 | 'l Public License.' |
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68 | |
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69 | ! no argument => error |
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70 | if (( iargc().lt.2 ).or.( iargc().eq.3)) then |
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71 | print *,' ' |
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72 | print *,'Usage in use-available mode: grib2flexpart useAvailable <output directory>' |
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73 | print *,'Usage in command line mode: grib2flexpart forward|backward subgrid <output directory> <source file> [<source file>...]' |
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74 | print *,' ' |
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75 | stop 'Error: Missing arguments' |
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76 | elseif ( iargc().eq.2 ) then |
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77 | call getarg(1,arg) |
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78 | if ( arg.eq."useAvailable" ) then |
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79 | print *,'Running in use-available mode' |
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80 | useAvailable = 1 |
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81 | else |
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82 | print *,' ' |
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83 | print *,'Usage in use-available mode: grib2flexpart useAvailable <output directory>' |
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84 | print *,'Usage in command line mode: grib2flexpart forward|backward subgrid <output directory> & |
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85 | <source file> [<source file>...]' |
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86 | print *,' ' |
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87 | stop 'Error: Incorrect arguments' |
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88 | endif |
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89 | else |
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90 | ! 2 and more arguments => ok, parse arguments |
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91 | call getarg(1,arg) |
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92 | if ( arg.eq."forward") then |
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93 | ldirect = 1 |
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94 | else if ( arg.eq."backward") then |
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95 | ldirect = -1 |
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96 | else |
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97 | print *,' ' |
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98 | print *,'Usage in use-available mode: grib2flexpart useAvailable <output directory>' |
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99 | print *,'Usage in command line mode: grib2flexpart forward|backward subgrid <output directory> & |
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100 | <source file> [<source file>...]' |
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101 | print *,' ' |
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102 | stop 'Error: Incorrect arguments' |
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103 | endif |
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104 | print *,'Running in command line mode' |
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105 | useAvailable = 0 |
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106 | endif |
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107 | |
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108 | if ( useAvailable.eq.0 ) then |
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109 | call getarg(2,lsubgridTxt) |
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110 | read (lsubgridTxt, '(i10)') lsubgrid |
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111 | lsubgrid=1 |
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112 | call getarg(3,dumpPath) |
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113 | do i=4,iargc() |
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114 | call getarg(i,inputFileName) |
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115 | numbwf = i - 4 + 1 |
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116 | if ( ldirect.eq.1 ) then |
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117 | wfname(i-4+1) = inputFileName |
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118 | if ( overwritecheck( dumpPath, wfname(i-4+1), 0) == -1 ) then |
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119 | ! if the output and input directory is the same, exit with error |
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120 | print *, "Input and output paths must be different" |
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121 | print *, "Output: "//trim(dumpPath) |
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122 | print *, "input: "//trim(wfname(i-4+1)) |
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123 | stop 'Error: Incorrect arguments' |
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124 | endif |
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125 | else |
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126 | wfname(iargc()+1-i) = inputFileName |
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127 | if ( overwritecheck( dumpPath, wfname(iargc()+1-i), 0) == -1 ) then |
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128 | ! if the output and input directory is the same, exit with error |
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129 | print *, "Input and output paths must be different" |
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130 | print *, "Output: "//trim(dumpPath) |
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131 | print *, "Input: "//trim(wfname(iargc()+1-i)) |
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132 | stop 'Error: Incorrect arguments' |
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133 | endif |
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134 | endif |
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135 | end do |
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136 | |
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137 | else |
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138 | call getarg(2,dumpPath) |
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139 | |
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140 | call readpaths |
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141 | |
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142 | call readcommand |
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143 | |
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144 | call readavailable |
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145 | do i=1,numbwf |
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146 | if ( overwritecheck( dumpPath, path(3)(1:length(3)) // trim(wfname(i)),0) == -1) then |
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147 | ! if the output and input directory is the same, exit with error |
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148 | print *, "Input and output paths must be different" |
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149 | print *, "Output: "//trim(dumpPath) |
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150 | print *, "Input: "//path(3)(1:length(3)) // trim(wfname(i)) |
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151 | stop 'Error: Incorrect arguments' |
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152 | endif |
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153 | enddo |
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154 | endif |
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155 | |
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156 | |
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157 | ! Reset the times of the wind fields that are kept in memory to no time |
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158 | !********************************************************************** |
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159 | |
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160 | do i=1,2 |
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161 | memind(i)=i |
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162 | memtime(i)=999999999 |
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163 | end do |
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164 | |
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165 | ! Detect metdata format |
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166 | call detectformat(metdata_format) |
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167 | if (metdata_format.eq.ecmwf_metdata) then |
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168 | print*,'ECMWF metdata detected' |
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169 | elseif (metdata_format.eq.gfs_metdata) then |
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170 | print*,'NCEP metdata detected' |
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171 | else |
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172 | stop 'Unknown metdata format' |
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173 | endif |
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174 | |
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175 | ! Read the model grid specifications, |
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176 | ! both for the mother domain and eventual nests |
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177 | !********************************************** |
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178 | |
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179 | if (metdata_format.eq.ecmwf_metdata) call gridcheck_ecmwf |
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180 | if (metdata_format.eq.gfs_metdata) call gridcheck_gfs |
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181 | call gridcheck_nests |
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182 | |
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183 | do i=1,numbwf |
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184 | if ( ( useAvailable.eq.0 ).or.(numbwf.eq.1) ) then |
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185 | print *,' ' |
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186 | print *,wfname(i) |
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187 | call convertfields( i, metdata_format, dumpPath) |
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188 | else |
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189 | if (((ldirect*wftime(i).le.0).and. & |
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190 | (ldirect*wftime(i+1).gt.0)).or. & |
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191 | (ldirect*wftime(i).gt.0)) then |
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192 | print *,' ' |
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193 | print *,wfname(i) |
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194 | call convertfields( i, metdata_format, dumpPath) |
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195 | endif |
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196 | endif |
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197 | end do |
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198 | |
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199 | write(*,*) 'CONGRATULATIONS: YOU HAVE SUCCESSFULLY COMPLETED A GRIB2FLE& |
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200 | &XPART PREPROCESSING RUN!' |
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201 | |
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202 | end program grib2flexpart |
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203 | |
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204 | ! This function checks whether input and output directories differ |
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205 | ! It does so by creating tmp file in output directory and by checking for its presence in input one |
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206 | ! It's does this way to avoid the need for relative 2 absolute path expansion and to avoid handling of links |
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207 | integer function overwritecheck( dump_path, input_path, input_is_path ) |
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208 | character(len=*) :: dump_path, input_path |
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209 | integer :: input_is_path, open_status |
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210 | character(len=512) :: tmp_file_name, tmp_file_path, check_file_path |
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211 | character(len=64) :: pid, current_time |
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212 | logical :: exists |
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213 | |
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214 | overwritecheck = 1 |
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215 | |
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216 | write (pid,*) getpid() |
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217 | write (current_time, *) time() |
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218 | ! generate tmp file name using PID and timestamp |
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219 | tmp_file_name = "overwritecheck_"//trim(adjustl(pid))//"_"//trim(adjustl(current_time))//".tmp" |
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220 | tmp_file_path = trim(dump_path)//"/"//trim(tmp_file_name) |
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221 | |
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222 | ! create tmp file in output directory |
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223 | open(10001, file=trim(tmp_file_path), status="new", action="write", iostat=open_status) |
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224 | ! check for tmp file |
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225 | if ( open_status /= 0 ) then |
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226 | print *, "Output directory does not exist or is not writeable" |
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227 | stop 'Error: Incorrect arguments' |
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228 | endif |
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229 | |
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230 | ! generate tmp file name in input directory |
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231 | if ( input_is_path == 1) then |
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232 | check_file_path = trim(input_path)//"/"//trim(tmp_file_name) |
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233 | else |
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234 | check_file_path=trim(input_path(:scan(input_path, '/', .TRUE.)))//trim(tmp_file_name) |
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235 | endif |
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236 | !check for file presence |
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237 | inquire(file=TRIM(check_file_path), exist=exists) |
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238 | ! delete tmp file |
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239 | close(10001, status='DELETE') |
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240 | if ( exists ) then |
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241 | overwritecheck = -1 |
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242 | endif |
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243 | |
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244 | end function |
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