[2352] | 1 | !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! |
---|
| 2 | ! |
---|
| 3 | ! This routine is the driver for computing the addresses and weights |
---|
| 4 | ! for interpolating between two grids on a sphere. |
---|
| 5 | ! |
---|
| 6 | !----------------------------------------------------------------------- |
---|
| 7 | ! |
---|
[5947] | 8 | ! CVS:$Id$ |
---|
[2352] | 9 | ! |
---|
| 10 | ! Copyright (c) 1997, 1998 the Regents of the University of |
---|
| 11 | ! California. |
---|
| 12 | ! |
---|
| 13 | ! This software and ancillary information (herein called software) |
---|
| 14 | ! called SCRIP is made available under the terms described here. |
---|
| 15 | ! The software has been approved for release with associated |
---|
| 16 | ! LA-CC Number 98-45. |
---|
| 17 | ! |
---|
| 18 | ! Unless otherwise indicated, this software has been authored |
---|
| 19 | ! by an employee or employees of the University of California, |
---|
| 20 | ! operator of the Los Alamos National Laboratory under Contract |
---|
| 21 | ! No. W-7405-ENG-36 with the U.S. Department of Energy. The U.S. |
---|
| 22 | ! Government has rights to use, reproduce, and distribute this |
---|
| 23 | ! software. The public may copy and use this software without |
---|
| 24 | ! charge, provided that this Notice and any statement of authorship |
---|
| 25 | ! are reproduced on all copies. Neither the Government nor the |
---|
| 26 | ! University makes any warranty, express or implied, or assumes |
---|
| 27 | ! any liability or responsibility for the use of this software. |
---|
| 28 | ! |
---|
| 29 | ! If software is modified to produce derivative works, such modified |
---|
| 30 | ! software should be clearly marked, so as not to confuse it with |
---|
| 31 | ! the version available from Los Alamos National Laboratory. |
---|
| 32 | ! |
---|
| 33 | !*********************************************************************** |
---|
| 34 | |
---|
| 35 | program scrip |
---|
| 36 | |
---|
| 37 | !----------------------------------------------------------------------- |
---|
| 38 | |
---|
| 39 | use kinds_mod ! module defining data types |
---|
| 40 | use constants ! module for common constants |
---|
| 41 | use iounits ! I/O unit manager |
---|
| 42 | use timers ! CPU timers |
---|
| 43 | use grids ! module with grid information |
---|
| 44 | use remap_vars ! common remapping variables |
---|
| 45 | use remap_conservative ! routines for conservative remap |
---|
| 46 | use remap_distance_weight ! routines for dist-weight remap |
---|
| 47 | use remap_bilinear ! routines for bilinear interp |
---|
| 48 | use remap_bicubic ! routines for bicubic interp |
---|
| 49 | use remap_write ! routines for remap output |
---|
| 50 | |
---|
| 51 | implicit none |
---|
| 52 | |
---|
| 53 | !----------------------------------------------------------------------- |
---|
| 54 | ! |
---|
| 55 | ! input namelist variables |
---|
| 56 | ! |
---|
| 57 | !----------------------------------------------------------------------- |
---|
| 58 | |
---|
| 59 | character (char_len) :: |
---|
| 60 | & grid1_file, ! filename of grid file containing grid1 |
---|
| 61 | & grid2_file, ! filename of grid file containing grid2 |
---|
| 62 | & interp_file1, ! filename for output remap data (map1) |
---|
| 63 | & interp_file2, ! filename for output remap data (map2) |
---|
| 64 | & map1_name, ! name for mapping from grid1 to grid2 |
---|
| 65 | & map2_name, ! name for mapping from grid2 to grid1 |
---|
| 66 | & map_method, ! choice for mapping method |
---|
| 67 | & normalize_opt,! option for normalizing weights |
---|
| 68 | & output_opt ! option for output conventions |
---|
| 69 | |
---|
| 70 | integer (kind=int_kind) :: |
---|
| 71 | & nmap ! number of mappings to compute (1 or 2) |
---|
| 72 | |
---|
| 73 | namelist /remap_inputs/ grid1_file, grid2_file, |
---|
| 74 | & interp_file1, interp_file2, |
---|
| 75 | & map1_name, map2_name, num_maps, |
---|
| 76 | & luse_grid1_area, luse_grid2_area, |
---|
| 77 | & map_method, normalize_opt, output_opt, |
---|
| 78 | & restrict_type, num_srch_bins |
---|
| 79 | |
---|
| 80 | !----------------------------------------------------------------------- |
---|
| 81 | ! |
---|
| 82 | ! local variables |
---|
| 83 | ! |
---|
| 84 | !----------------------------------------------------------------------- |
---|
| 85 | |
---|
| 86 | integer (kind=int_kind) :: n, ! dummy counter |
---|
| 87 | & iunit ! unit number for namelist file |
---|
| 88 | |
---|
| 89 | !----------------------------------------------------------------------- |
---|
| 90 | ! |
---|
| 91 | ! initialize timers |
---|
| 92 | ! |
---|
| 93 | !----------------------------------------------------------------------- |
---|
| 94 | |
---|
| 95 | call timers_init |
---|
| 96 | do n=1,max_timers |
---|
| 97 | call timer_clear(n) |
---|
| 98 | end do |
---|
| 99 | |
---|
| 100 | !----------------------------------------------------------------------- |
---|
| 101 | ! |
---|
| 102 | ! read input namelist |
---|
| 103 | ! |
---|
| 104 | !----------------------------------------------------------------------- |
---|
| 105 | |
---|
| 106 | grid1_file = 'unknown' |
---|
| 107 | grid2_file = 'unknown' |
---|
| 108 | interp_file1 = 'unknown' |
---|
| 109 | interp_file2 = 'unknown' |
---|
| 110 | map1_name = 'unknown' |
---|
| 111 | map2_name = 'unknown' |
---|
| 112 | luse_grid1_area = .false. |
---|
| 113 | luse_grid2_area = .false. |
---|
| 114 | num_maps = 2 |
---|
| 115 | map_type = 1 |
---|
| 116 | normalize_opt = 'fracarea' |
---|
| 117 | output_opt = 'scrip' |
---|
| 118 | restrict_type = 'latitude' |
---|
| 119 | num_srch_bins = 900 |
---|
| 120 | |
---|
| 121 | call get_unit(iunit) |
---|
| 122 | open(iunit, file='scrip_in', status='old', form='formatted') |
---|
| 123 | read(iunit, nml=remap_inputs) |
---|
| 124 | call release_unit(iunit) |
---|
| 125 | |
---|
| 126 | select case(map_method) |
---|
| 127 | case ('conservative') |
---|
| 128 | map_type = map_type_conserv |
---|
| 129 | luse_grid_centers = .false. |
---|
| 130 | case ('bilinear') |
---|
| 131 | map_type = map_type_bilinear |
---|
| 132 | luse_grid_centers = .true. |
---|
| 133 | case ('bicubic') |
---|
| 134 | map_type = map_type_bicubic |
---|
| 135 | luse_grid_centers = .true. |
---|
| 136 | case ('distwgt') |
---|
| 137 | map_type = map_type_distwgt |
---|
| 138 | luse_grid_centers = .true. |
---|
| 139 | case default |
---|
| 140 | stop 'unknown mapping method' |
---|
| 141 | end select |
---|
| 142 | |
---|
| 143 | select case(normalize_opt(1:4)) |
---|
| 144 | case ('none') |
---|
| 145 | norm_opt = norm_opt_none |
---|
| 146 | case ('frac') |
---|
| 147 | norm_opt = norm_opt_frcarea |
---|
| 148 | case ('dest') |
---|
| 149 | norm_opt = norm_opt_dstarea |
---|
| 150 | case default |
---|
| 151 | stop 'unknown normalization option' |
---|
| 152 | end select |
---|
| 153 | |
---|
| 154 | !----------------------------------------------------------------------- |
---|
| 155 | ! |
---|
| 156 | ! initialize grid information for both grids |
---|
| 157 | ! |
---|
| 158 | !----------------------------------------------------------------------- |
---|
| 159 | |
---|
| 160 | call grid_init(grid1_file, grid2_file) |
---|
| 161 | |
---|
| 162 | write(stdout, *) ' Computing remappings between: ',grid1_name |
---|
| 163 | write(stdout, *) ' and ',grid2_name |
---|
| 164 | |
---|
| 165 | !----------------------------------------------------------------------- |
---|
| 166 | ! |
---|
| 167 | ! initialize some remapping variables. |
---|
| 168 | ! |
---|
| 169 | !----------------------------------------------------------------------- |
---|
| 170 | |
---|
| 171 | call init_remap_vars |
---|
| 172 | |
---|
| 173 | !----------------------------------------------------------------------- |
---|
| 174 | ! |
---|
| 175 | ! call appropriate interpolation setup routine based on type of |
---|
| 176 | ! remapping requested. |
---|
| 177 | ! |
---|
| 178 | !----------------------------------------------------------------------- |
---|
| 179 | |
---|
| 180 | select case(map_type) |
---|
| 181 | case(map_type_conserv) |
---|
| 182 | call remap_conserv |
---|
| 183 | case(map_type_bilinear) |
---|
| 184 | call remap_bilin |
---|
| 185 | case(map_type_distwgt) |
---|
| 186 | call remap_distwgt |
---|
| 187 | case(map_type_bicubic) |
---|
| 188 | call remap_bicub |
---|
| 189 | case default |
---|
| 190 | stop 'Invalid Map Type' |
---|
| 191 | end select |
---|
| 192 | |
---|
| 193 | !----------------------------------------------------------------------- |
---|
| 194 | ! |
---|
| 195 | ! reduce size of remapping arrays and then write remapping info |
---|
| 196 | ! to a file. |
---|
| 197 | ! |
---|
| 198 | !----------------------------------------------------------------------- |
---|
| 199 | |
---|
| 200 | if (num_links_map1 /= max_links_map1) then |
---|
| 201 | call resize_remap_vars(1, num_links_map1-max_links_map1) |
---|
| 202 | endif |
---|
| 203 | if ((num_maps > 1) .and. (num_links_map2 /= max_links_map2)) then |
---|
| 204 | call resize_remap_vars(2, num_links_map2-max_links_map2) |
---|
| 205 | endif |
---|
| 206 | |
---|
| 207 | call write_remap(map1_name, map2_name, |
---|
| 208 | & interp_file1, interp_file2, output_opt) |
---|
| 209 | |
---|
| 210 | !----------------------------------------------------------------------- |
---|
| 211 | |
---|
| 212 | end program scrip |
---|
| 213 | |
---|
| 214 | !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! |
---|