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151 lines
6.0 KiB
Fortran
151 lines
6.0 KiB
Fortran
! This is part of the netCDF package.
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! Copyright 2006 University Corporation for Atmospheric Research/Unidata.
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! See COPYRIGHT file for conditions of use.
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! This program tests netCDF-4 fill values.
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! $Id: f90tst_fill2.f90,v 1.2 2009/12/28 15:45:23 russ Exp $
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program f90tst_fill
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use typeSizes
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use netcdf
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implicit none
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! This is the name of the data file we will create.
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character (len = *), parameter :: FILE_NAME = "f90tst_fill2.nc"
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integer, parameter :: MAX_DIMS = 2
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integer, parameter :: NX = 16, NY = 16
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integer, parameter :: HALF_NX = NX / 2, HALF_NY = NY / 2
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integer, parameter :: NUM_VARS = 8
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character (len = *), parameter :: var_name(NUM_VARS) = &
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(/ 'byte ', 'short ', 'int ', 'float ', 'double', 'ubyte ', &
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'ushort', 'uint ' /)
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integer :: ncid, varid(NUM_VARS), dimids(MAX_DIMS)
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integer :: var_type(NUM_VARS) = (/ nf90_byte, nf90_short, nf90_int, &
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nf90_float, nf90_double, nf90_ubyte, nf90_ushort, nf90_uint /)
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integer :: x_dimid, y_dimid
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integer :: byte_out(HALF_NY, HALF_NX), byte_in(NY, NX)
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integer :: short_out(HALF_NY, HALF_NX), short_in(NY, NX)
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integer :: int_out(HALF_NY, HALF_NX), int_in(NY, NX)
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real :: areal_out(HALF_NY, HALF_NX), areal_in(NY, NX)
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real :: double_out(HALF_NY, HALF_NX), double_in(NY, NX)
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integer :: ubyte_out(HALF_NY, HALF_NX), ubyte_in(NY, NX)
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integer :: ushort_out(HALF_NY, HALF_NX), ushort_in(NY, NX)
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integer (kind = EightByteInt) :: uint_out(HALF_NY, HALF_NX), uint_in(NY, NX)
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integer :: nvars, ngatts, ndims, unlimdimid, file_format
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integer :: x, y, v
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integer :: start_out(MAX_DIMS), count_out(MAX_DIMS)
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integer :: start_in(MAX_DIMS), count_in(MAX_DIMS)
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print *
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print *, '*** Testing netCDF-4 fill values with unlimited dimension.'
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! Create some pretend data.
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do x = 1, HALF_NX
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do y = 1, HALF_NY
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byte_out(y, x) = -1
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short_out(y, x) = -2
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int_out(y, x) = -4
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areal_out(y, x) = 2.5
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double_out(y, x) = -4.5
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ubyte_out(y, x) = 1
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ushort_out(y, x) = 2
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uint_out(y, x) = 4
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end do
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end do
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! Create the netCDF file.
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call handle_err(nf90_create(FILE_NAME, nf90_netcdf4, ncid))
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! Define the dimensions.
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call handle_err(nf90_def_dim(ncid, "x", NF90_UNLIMITED, x_dimid))
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call handle_err(nf90_def_dim(ncid, "y", NY, y_dimid))
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dimids = (/ y_dimid, x_dimid /)
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! Define the variables.
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do v = 1, NUM_VARS
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call handle_err(nf90_def_var(ncid, var_name(v), var_type(v), dimids, varid(v)))
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end do
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! Write one-quarter of the data.
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count_out = (/ HALF_NX, HALF_NY /)
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start_out = (/ HALF_NX + 1, HALF_NY + 1 /)
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call handle_err(nf90_put_var(ncid, varid(1), byte_out, start = start_out, count = count_out))
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call handle_err(nf90_put_var(ncid, varid(2), short_out, start = start_out, count = count_out))
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call handle_err(nf90_put_var(ncid, varid(3), int_out, start = start_out, count = count_out))
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call handle_err(nf90_put_var(ncid, varid(4), areal_out, start = start_out, count = count_out))
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call handle_err(nf90_put_var(ncid, varid(5), double_out, start = start_out, count = count_out))
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call handle_err(nf90_put_var(ncid, varid(6), ubyte_out, start = start_out, count = count_out))
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call handle_err(nf90_put_var(ncid, varid(7), ushort_out, start = start_out, count = count_out))
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call handle_err(nf90_put_var(ncid, varid(8), uint_out, start = start_out, count = count_out))
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! Close the file.
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call handle_err(nf90_close(ncid))
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! Reopen the file.
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call handle_err(nf90_open(FILE_NAME, nf90_nowrite, ncid))
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! Check some stuff out.
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call handle_err(nf90_inquire(ncid, ndims, nvars, ngatts, unlimdimid, file_format))
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if (ndims /= 2 .or. nvars /= NUM_VARS .or. ngatts /= 0 .or. unlimdimid /= 1 .or. &
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file_format /= nf90_format_netcdf4) stop 2
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! Read all the data.
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start_in = (/ 1, 1 /)
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count_in = (/ NX, NY /)
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call handle_err(nf90_get_var(ncid, varid(1), byte_in, start = start_in, count = count_in))
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call handle_err(nf90_get_var(ncid, varid(2), short_in, start = start_in, count = count_in))
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call handle_err(nf90_get_var(ncid, varid(3), int_in, start = start_in, count = count_in))
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call handle_err(nf90_get_var(ncid, varid(4), areal_in, start = start_in, count = count_in))
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call handle_err(nf90_get_var(ncid, varid(5), double_in, start = start_in, count = count_in))
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call handle_err(nf90_get_var(ncid, varid(6), ubyte_in, start = start_in, count = count_in))
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call handle_err(nf90_get_var(ncid, varid(7), ushort_in, start = start_in, count = count_in))
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call handle_err(nf90_get_var(ncid, varid(8), uint_in, start = start_in, count = count_in))
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! Check the data. All the data except the third quadrant are fill
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! value.
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do x = 1, NX
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do y = 1, NY
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if ((x .gt. HALF_NX) .and. (y .gt. HALF_NY)) then
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if (byte_in(y, x) .ne. -1) stop 13
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if (short_in(y, x) .ne. -2) stop 14
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if (int_in(y, x) .ne. -4) stop 15
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if (areal_in(y, x) .ne. 2.5) stop 16
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if (double_in(y, x) .ne. -4.5) stop 17
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if (ubyte_in(y, x) .ne. 1) stop 18
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if (ushort_in(y, x) .ne. 2) stop 19
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if (uint_in(y, x) .ne. 4) stop 20
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else
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if (byte_in(y, x) .ne. nf90_fill_byte) stop 3
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if (short_in(y, x) .ne. nf90_fill_short) stop 4
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if (int_in(y, x) .ne. nf90_fill_int) stop 5
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if (areal_in(y, x) .ne. nf90_fill_real) stop 6
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if (double_in(y, x) .ne. nf90_fill_double) stop 7
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if (ubyte_in(y, x) .ne. nf90_fill_ubyte) stop 8
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if (ushort_in(y, x) .ne. nf90_fill_ushort) stop 9
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if (uint_in(y, x) .ne. nf90_fill_uint) stop 10
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endif
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end do
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end do
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! Close the file.
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call handle_err(nf90_close(ncid))
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print *,'*** SUCCESS!'
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contains
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! This subroutine handles errors by printing an error message and
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! exiting with a non-zero status.
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subroutine handle_err(errcode)
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use netcdf
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implicit none
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integer, intent(in) :: errcode
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if(errcode /= nf90_noerr) then
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print *, 'Error: ', trim(nf90_strerror(errcode))
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stop 99
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endif
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end subroutine handle_err
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end program f90tst_fill
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