[813] | 1 | MODULE init_unstructured_mod |
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| 2 | USE mpipara, ONLY : is_mpi_master |
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| 3 | USE data_unstructured_mod |
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| 4 | IMPLICIT NONE |
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| 5 | SAVE |
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| 6 | PRIVATE |
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| 7 | |
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| 8 | ! these buffers are used when reading from the grid file |
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| 9 | REAL(8), ALLOCATABLE :: Ddata_read1(:),Ddata_read2(:,:),Ddata_read3(:,:,:) |
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| 10 | INTEGER, ALLOCATABLE :: Idata_read1(:),Idata_read2(:,:),Idata_read3(:,:,:) |
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| 11 | |
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[830] | 12 | PUBLIC :: read_dump_partition |
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[813] | 13 | |
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| 14 | CONTAINS |
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| 15 | |
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| 16 | SUBROUTINE free_data_read() |
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| 17 | IF(ALLOCATED(Idata_read1)) DEALLOCATE(Idata_read1) |
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| 18 | IF(ALLOCATED(Idata_read2)) DEALLOCATE(Idata_read2) |
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| 19 | IF(ALLOCATED(Idata_read3)) DEALLOCATE(Idata_read3) |
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| 20 | IF(ALLOCATED(Ddata_read1)) DEALLOCATE(Ddata_read1) |
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| 21 | IF(ALLOCATED(Ddata_read2)) DEALLOCATE(Ddata_read2) |
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| 22 | IF(ALLOCATED(Ddata_read3)) DEALLOCATE(Ddata_read3) |
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| 23 | END SUBROUTINE free_data_read |
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| 24 | |
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| 25 | SUBROUTINE read_from_gridfile(id_nc, data_type, name) |
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| 26 | use netcdf_mod |
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| 27 | CHARACTER(*) :: data_type, name |
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| 28 | INTEGER :: id_nc, id_var, status |
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| 29 | INTEGER :: dim_1, dim_2, dim_3 |
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| 30 | INTEGER :: numDims, dimIDs(3) !max_var_dims |
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| 31 | |
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| 32 | !-------------------Reading variable------------------------------- |
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| 33 | status = nf90_inq_varid(id_nc, name,id_var) |
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| 34 | IF(status /= 0) THEN |
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| 35 | print *, "Not able to read variable from gridfile :", name |
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| 36 | STOP "Exit" |
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| 37 | ENDIF |
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| 38 | !inquire dimension |
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| 39 | status = nf90_inquire_variable(id_nc,id_var,dimids=dimIDs,ndims=numDims) |
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| 40 | status = nf90_inquire_dimension(id_nc, dimIDs(1), len = dim_1) |
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| 41 | status = nf90_inquire_dimension(id_nc, dimIDs(2), len = dim_2) |
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| 42 | status = nf90_inquire_dimension(id_nc, dimIDs(3), len = dim_3) |
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| 43 | SELECT CASE(numDims) |
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| 44 | CASE(3) |
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| 45 | print *,"Size of array, ",name,":", dim_1,dim_2,dim_3 |
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| 46 | CASE(2) |
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| 47 | print *,"Size of array, ",name,":", dim_1,dim_2 |
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| 48 | CASE DEFAULT |
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| 49 | print *,"Size of array, ",name,":", dim_1 |
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| 50 | END SELECT |
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| 51 | |
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| 52 | CALL free_data_read |
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| 53 | SELECT CASE(data_type) |
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| 54 | CASE('integer') |
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| 55 | SELECT CASE(numDims) |
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| 56 | CASE(3) |
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| 57 | allocate(Idata_read3(dim_1,dim_2,dim_3)) |
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| 58 | status = nf90_get_var(id_nc, id_var,Idata_read3) |
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| 59 | print *,"First value of array, ",name,":", Idata_read3(1,1,1) |
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| 60 | CASE(2) |
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| 61 | allocate(Idata_read2(dim_1,dim_2)) |
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| 62 | status = nf90_get_var(id_nc, id_var,Idata_read2) |
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| 63 | print *,"First value of array, ",name,":", Idata_read2(1,1) |
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| 64 | CASE DEFAULT |
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| 65 | allocate(Idata_read1(dim_1)) |
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| 66 | status = nf90_get_var(id_nc, id_var,Idata_read1) |
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| 67 | print *,"First value of array, ",name,":", Idata_read1(1) |
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| 68 | END SELECT |
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| 69 | CASE DEFAULT |
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| 70 | SELECT CASE(numDims) |
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| 71 | CASE(3) |
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| 72 | allocate(Ddata_read3(dim_1,dim_2,dim_3)) |
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| 73 | status = nf90_get_var(id_nc, id_var,Ddata_read3) |
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| 74 | print *,"First value of array, ",name,":", Ddata_read3(1,1,1) |
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| 75 | CASE(2) |
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| 76 | allocate(Ddata_read2(dim_1,dim_2)) |
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| 77 | status = nf90_get_var(id_nc, id_var,Ddata_read2) |
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| 78 | print *,"First value of array, ",name,":", Ddata_read2(1,1) |
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| 79 | CASE DEFAULT |
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| 80 | allocate(Ddata_read1(dim_1)) |
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| 81 | status = nf90_get_var(id_nc, id_var,Ddata_read1) |
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| 82 | print *,"First value of array, ",name,":", Ddata_read1(1) |
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| 83 | END SELECT |
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| 84 | END SELECT |
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| 85 | |
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| 86 | IF(status /= nf90_NoErr) THEN |
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| 87 | print *, "Error when reading from grid file : ", name |
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| 88 | STOP "Exit" |
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| 89 | ENDIF |
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| 90 | |
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| 91 | END SUBROUTINE read_from_gridfile |
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| 92 | |
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| 93 | |
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| 94 | SUBROUTINE read_dump_partition |
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| 95 | use netcdf_mod |
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| 96 | USE ioipsl |
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| 97 | USE field_mod |
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[856] | 98 | USE geometry, ONLY : lon_i, lat_i, lon_e, lat_e, ep_e |
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[813] | 99 | IMPLICIT NONE |
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| 100 | |
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| 101 | !!-------------Declare local variables------------------- |
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[856] | 102 | CHARACTER(LEN=*),PARAMETER :: f="input/mesh_information.nc" |
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| 103 | INTEGER :: id_nc, ierr, status, descriptionLength, ij |
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[813] | 104 | CHARACTER(LEN= 80) :: description |
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[856] | 105 | REAL(rstd), ALLOCATABLE :: angle_e(:) |
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| 106 | REAL(rstd) :: clon, slon, clat, slat, & ! COS/SIN of lon/lat |
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| 107 | elon(3), elat(3) ! lon/lat unit vectors |
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[813] | 108 | print *,"------------------ READING FILE " , f, "----------------------- " |
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| 109 | !open and read the input file |
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| 110 | ierr = nf90_open(f, NF90_NOWRITE, id_nc) |
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| 111 | if (ierr /= nf90_noerr) then |
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| 112 | print *, trim(nf90_strerror(ierr)) |
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| 113 | stop "Error reading file" |
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| 114 | end if |
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| 115 | |
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| 116 | status = nf90_inquire_attribute(id_nc, nf90_global, "description", len =descriptionLength) |
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| 117 | IF(status /= 0 .or. len(description) < descriptionLength) THEN |
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| 118 | print *, "Not enough space to put NetCDF attribute values." |
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| 119 | STOP "Error reading file" |
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| 120 | ENDIF |
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| 121 | |
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| 122 | !-------------------Reading global attributes----------------------- |
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| 123 | status = nf90_get_att(id_nc, nf90_global, "description", description) |
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| 124 | print *,"Data file description :",description |
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| 125 | |
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| 126 | !status = nf90_get_att(id_nc, nf90_global, "primal_num", primal_num) |
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| 127 | !status = nf90_get_att(id_nc, nf90_global, "dual_num", dual_num) |
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| 128 | !status = nf90_get_att(id_nc, nf90_global, "edge_num", edge_num) |
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| 129 | !print *,primal_num,dual_num,edge_num |
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| 130 | |
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| 131 | CALL read_from_gridfile(id_nc, 'integer', 'primal_deg') |
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| 132 | ALLOCATE(primal_deg, source = Idata_read1) |
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| 133 | CALL read_from_gridfile(id_nc, 'integer', 'primal_edge') |
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| 134 | ALLOCATE(primal_edge, source = Idata_read2) |
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| 135 | CALL read_from_gridfile(id_nc, 'integer', 'primal_ne') |
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| 136 | ALLOCATE(primal_ne, source = Idata_read2) |
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| 137 | CALL read_from_gridfile(id_nc, 'integer', 'dual_deg') |
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| 138 | ALLOCATE(dual_deg, source = Idata_read1) |
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| 139 | CALL read_from_gridfile(id_nc, 'integer', 'dual_edge') |
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| 140 | ALLOCATE(dual_edge, source = Idata_read2) |
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| 141 | CALL read_from_gridfile(id_nc, 'integer', 'dual_ne') |
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| 142 | ALLOCATE(dual_ne, source = Idata_read2) |
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| 143 | CALL read_from_gridfile(id_nc, 'integer', 'primal_vertex') |
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| 144 | ALLOCATE(primal_vertex, source = Idata_read2) |
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| 145 | CALL read_from_gridfile(id_nc, 'integer', 'left') |
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| 146 | ALLOCATE(left, source = Idata_read1) |
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| 147 | CALL read_from_gridfile(id_nc, 'integer', 'right') |
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| 148 | ALLOCATE(right, source = Idata_read1) |
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| 149 | CALL read_from_gridfile(id_nc, 'integer', 'up') |
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| 150 | ALLOCATE(up, source = Idata_read1) |
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| 151 | CALL read_from_gridfile(id_nc, 'integer', 'down') |
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| 152 | ALLOCATE(down, source = Idata_read1) |
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| 153 | CALL read_from_gridfile(id_nc, 'integer', 'trisk_deg') |
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| 154 | ALLOCATE(trisk_deg, source = Idata_read1) |
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| 155 | CALL read_from_gridfile(id_nc, 'integer', 'trisk') |
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| 156 | ALLOCATE(trisk, source = Idata_read2) |
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| 157 | CALL read_from_gridfile(id_nc, 'float', 'Ai') |
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| 158 | ALLOCATE(Ai, source = Ddata_read1) |
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| 159 | CALL read_from_gridfile(id_nc, 'float', 'Av') |
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| 160 | ALLOCATE(Av, source = Ddata_read1) |
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| 161 | CALL read_from_gridfile(id_nc, 'float', 'le_de') |
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| 162 | ALLOCATE(le_de, source = Ddata_read1) |
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| 163 | CALL read_from_gridfile(id_nc, 'float', 'Riv2') |
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| 164 | ALLOCATE(Riv2, source = Ddata_read2) |
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| 165 | CALL read_from_gridfile(id_nc, 'float', 'wee') |
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| 166 | ALLOCATE(wee, source = Ddata_read2) |
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| 167 | CALL read_from_gridfile(id_nc, 'float', 'fv') ! |
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| 168 | ALLOCATE(fv, source = Ddata_read1) |
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| 169 | CALL read_from_gridfile(id_nc, 'integer', 'dual_vertex') |
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| 170 | ALLOCATE(dual_vertex, source = Idata_read2) |
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| 171 | |
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[856] | 172 | CALL read_from_gridfile(id_nc, 'float', 'lon_i') |
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| 173 | ALLOCATE(lon_i, source = Ddata_read1) |
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| 174 | CALL read_from_gridfile(id_nc, 'float', 'lat_i') |
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| 175 | ALLOCATE(lat_i, source = Ddata_read1) |
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| 176 | CALL read_from_gridfile(id_nc, 'float', 'lon_e') |
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| 177 | ALLOCATE(lon_e, source = Ddata_read1) |
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| 178 | CALL read_from_gridfile(id_nc, 'float', 'lat_e') |
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| 179 | ALLOCATE(lat_e, source = Ddata_read1) |
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| 180 | CALL read_from_gridfile(id_nc, 'float', 'angle_e') |
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| 181 | ALLOCATE(angle_e, source = Ddata_read1) |
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| 182 | |
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[813] | 183 | CALL free_data_read ! free buffers after reading all data from grid file |
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| 184 | |
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| 185 | edge_num = SIZE(le_de) |
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| 186 | primal_num = SIZE(Ai) |
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| 187 | dual_num = SIZE(Av) |
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| 188 | max_primal_deg = SIZE(primal_edge,1) |
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| 189 | max_dual_deg = SIZE(dual_edge,1) |
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| 190 | max_trisk_deg = SIZE(trisk,1) |
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| 191 | |
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[856] | 192 | ! now post-process some of the data we just read |
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| 193 | ALLOCATE(ep_e(edge_num,3)) |
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| 194 | DO ij=1,edge_num |
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| 195 | clon = COS(lon_e(ij)) |
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| 196 | slon = SIN(lon_e(ij)) |
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| 197 | clat = COS(lat_e(ij)) |
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| 198 | slat = SIN(lat_e(ij)) |
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| 199 | ! x,y,z = clat*clon, clat*slon, slat |
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| 200 | elon = (/ -slon, clon, 0. /) |
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| 201 | elat = (/ -slat*clon, -slat*slon, clat /) |
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| 202 | ep_e(ij,:) = COS(angle_e(ij))*elon + SIN(angle_e(ij))*elat |
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| 203 | END DO |
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| 204 | |
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| 205 | DEALLOCATE(angle_e) |
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[813] | 206 | END SUBROUTINE read_dump_partition |
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| 207 | |
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| 208 | SUBROUTINE init_grid_type |
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| 209 | USE grid_param, ONLY : grid_type, grid_unst, grid_ico |
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| 210 | USE getin_mod, ONLY : getin |
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| 211 | CHARACTER(len=255) :: grid_type_var |
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| 212 | grid_type_var='icosahedral' |
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| 213 | CALL getin("grid_type",grid_type_var) |
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| 214 | SELECT CASE(grid_type_var) |
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| 215 | CASE('unstructured') |
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| 216 | grid_type = grid_unst |
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| 217 | ! is_omp_level_master=.TRUE. |
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| 218 | ! omp_level_size=1 |
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| 219 | CALL read_dump_partition |
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| 220 | IF (is_mpi_master) PRINT *,'Using unstructured grid type' |
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| 221 | CASE DEFAULT |
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| 222 | grid_type = grid_ico |
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| 223 | IF (is_mpi_master) PRINT *,'Using default grid type' |
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| 224 | END SELECT |
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| 225 | END SUBROUTINE init_grid_type |
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| 226 | |
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| 227 | END MODULE init_unstructured_mod |
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