gridfilereadermodule Module Reference

Data Types
type	gridfilereadertype

Functions/Subroutines
subroutine	initialize (this, iu)
	@Brief Initialize the grid file reader. More...
subroutine	finalize (this)
	Finalize the grid file reader. More...
subroutine	read_header (this)
	Read the file's self-describing header. Internal use only. More...
subroutine	read_header_meta (this)
	Read self-describing metadata (first four lines). Internal use only. More...
subroutine	read_header_body (this)
	Read the header body section (text following first. More...
integer(i4b) function	read_int (this, key)
	Read an integer scalar from a grid file. More...
real(dp) function	read_dbl (this, key)
	Read a double precision scalar from a grid file. More...
integer(i4b) function, dimension(:), allocatable	read_int_1d (this, key)
	Read a 1D integer array from a grid file. More...
real(dp) function, dimension(:), allocatable	read_dbl_1d (this, key)
	Read a 1D double array from a grid file. More...
integer(i4b) function, dimension(:), allocatable	read_grid_shape (this)
	Read the grid shape from a grid file. More...

Function/Subroutine Documentation

finalize()

subroutine gridfilereadermodule::finalize

(

class(gridfilereadertype)

this

)

Definition at line 61 of file GridFileReader.f90.

    class(GridFileReaderType) :: this
 
    close (this%inunit)
    call hash_table_da(this%dim)
    call hash_table_da(this%pos)
    call hash_table_da(this%typ)
    call hash_table_da(this%shp_idx)
    deallocate (this%shp)
 

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initialize()

subroutine gridfilereadermodule::initialize	(	class(gridfilereadertype)	this,
		integer(i4b), intent(in)	iu
	)

Definition at line 46 of file GridFileReader.f90.

    class(GridFileReaderType) :: this
    integer(I4B), intent(in) :: iu
 
    this%inunit = iu
    call hash_table_cr(this%dim)
    call hash_table_cr(this%pos)
    call hash_table_cr(this%typ)
    call hash_table_cr(this%shp_idx)
    allocate (this%shp(0))
    call this%read_header()
 

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read_dbl()

real(dp) function gridfilereadermodule::read_dbl	(	class(gridfilereadertype), intent(inout)	this,
		character(len=*), intent(in)	key
	)

Definition at line 234 of file GridFileReader.f90.

    class(GridFileReaderType), intent(inout) :: this
    character(len=*), intent(in) :: key
    real(DP) :: v
    ! local
    integer(I4B) :: ndim, pos, typ
    character(len=:), allocatable :: msg
 
    msg = 'Variable '//trim(key)//' is not a double precision scalar'
    ndim = this%dim%get(key)
    if (ndim /= 0) then
      write (errmsg, '(a)') msg
      call store_error(errmsg, terminate=.true.)
    end if
    typ = this%typ%get(key)
    if (typ /= 2) then
      write (errmsg, '(a)') msg
      call store_error(errmsg, terminate=.true.)
    end if
    pos = this%pos%get(key)
    read (this%inunit, pos=pos) v
    rewind(this%inunit)
 

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read_dbl_1d()

real(dp) function, dimension(:), allocatable gridfilereadermodule::read_dbl_1d	(	class(gridfilereadertype), intent(inout)	this,
		character(len=*), intent(in)	key
	)

Definition at line 289 of file GridFileReader.f90.

    class(GridFileReaderType), intent(inout) :: this
    character(len=*), intent(in) :: key
    real(DP), allocatable :: v(:)
    ! local
    integer(I4B) :: idx, ndim, nvals, pos, typ
    character(len=:), allocatable :: msg
 
    msg = 'Variable '//trim(key)//' is not a 1D double array'
    ndim = this%dim%get(key)
    if (ndim /= 1) then
      write (errmsg, '(a)') msg
      call store_error(errmsg, terminate=.true.)
    end if
    typ = this%typ%get(key)
    if (typ /= 2) then
      write (errmsg, '(a)') msg
      call store_error(errmsg, terminate=.true.)
    end if
    idx = this%shp_idx%get(key)
    pos = this%pos%get(key)
    nvals = this%shp(idx)
    allocate (v(nvals))
    read (this%inunit, pos=pos) v
    rewind(this%inunit)
 

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read_grid_shape()

integer(i4b) function, dimension(:), allocatable gridfilereadermodule::read_grid_shape

(

class(gridfilereadertype)

this

)

Definition at line 318 of file GridFileReader.f90.

    ! dummy
    class(GridFileReaderType) :: this
    integer(I4B), allocatable :: v(:)
 
    select case (this%grid_type)
    case ("DIS")
      allocate (v(3))
      v(1) = this%read_int("NLAY")
      v(2) = this%read_int("NROW")
      v(3) = this%read_int("NCOL")
    case ("DISV")
      allocate (v(2))
      v(1) = this%read_int("NLAY")
      v(2) = this%read_int("NCPL")
    case ("DISU")
      allocate (v(1))
      v(1) = this%read_int("NODES")
    case ("DIS2D")
      allocate (v(2))
      v(1) = this%read_int("NROW")
      v(2) = this%read_int("NCOL")
    case ("DISV2D")
      allocate (v(1))
      v(1) = this%read_int("NODES")
    case ("DISV1D")
      allocate (v(1))
      v(1) = this%read_int("NCELLS")
    end select
 

read_header()

subroutine gridfilereadermodule::read_header

(

class(gridfilereadertype)

this

)

Definition at line 74 of file GridFileReader.f90.

    class(GridFileReaderType) :: this
    call this%read_header_meta()
    call this%read_header_body()

read_header_body()

subroutine gridfilereadermodule::read_header_body

(

class(gridfilereadertype)

this

)

Definition at line 127 of file GridFileReader.f90.

    ! dummy
    class(GridFileReaderType) :: this
    ! local
    character(len=:), allocatable :: body
    character(len=:), allocatable :: line
    character(len=10) :: key, dtype
    real(DP) :: rval
    integer(I4B) :: i, lloc, istart, istop, ival, pos
    integer(I4B) :: nvars, ndim, dim, ishp
    integer(I4B), allocatable :: shp(:)
 
    allocate (this%keys(this%ntxt))
    allocate (character(len=this%lentxt*this%ntxt) :: body)
    allocate (character(len=this%lentxt) :: line)
 
    nvars = 0
    read (this%inunit) body
    inquire (this%inunit, pos=pos)
    do i = 1, this%lentxt * this%ntxt, this%lentxt
      line = body(i:i + this%lentxt - 1)
      lloc = 1
 
      ! key
      lloc = 1
      call urword(line, lloc, istart, istop, 1, ival, rval, 0, 0)
      key = line(istart:istop)
      nvars = nvars + 1
      this%keys(nvars) = key
 
      ! type
      call urword(line, lloc, istart, istop, 1, ival, rval, 0, 0)
      dtype = line(istart:istop)
      if (dtype == "INTEGER") then
        call this%typ%add(key, 1)
      else if (dtype == "DOUBLE") then
        call this%typ%add(key, 2)
      end if
 
      ! dims
      call urword(line, lloc, istart, istop, 0, ival, rval, 0, 0)
      call urword(line, lloc, istart, istop, 2, ival, rval, 0, 0)
      ndim = ival
      call this%dim%add(key, ndim)
 
      ! shape
      if (allocated(shp)) deallocate (shp)
      allocate (shp(ndim))
      if (ndim > 0) then
        do dim = 1, ndim
          call urword(line, lloc, istart, istop, 2, ival, rval, 0, 0)
          shp(dim) = ival
        end do
        ishp = size(this%shp)
        call expandarray(this%shp, increment=ndim)
        this%shp(ishp + 1:ishp + ndim) = shp
        call this%shp_idx%add(key, ishp + 1)
      end if
 
      ! position
      call this%pos%add(key, pos)
      if (ndim == 0) then
        if (dtype == "INTEGER") then
          pos = pos + 4
        else if (dtype == "DOUBLE") then
          pos = pos + 8
        end if
      else
        if (dtype == "INTEGER") then
          pos = pos + (product(shp) * 4)
        else if (dtype == "DOUBLE") then
          pos = pos + (product(shp) * 8)
        end if
      end if
    end do
 
    rewind(this%inunit)
 

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read_header_meta()

subroutine gridfilereadermodule::read_header_meta

(

class(gridfilereadertype)

this

)

Definition at line 81 of file GridFileReader.f90.

    ! dummy
    class(GridFileReaderType) :: this
    ! local
    character(len=50) :: line
    integer(I4B) :: lloc, istart, istop
    integer(I4B) :: ival
    real(DP) :: rval
 
    ! grid type
    read (this%inunit) line
    lloc = 1
    call urword(line, lloc, istart, istop, 1, ival, rval, 0, 0)
    if (line(istart:istop) /= 'GRID') then
      call store_error('Binary grid file must begin with "GRID". '//&
                       &'Found: '//line(istart:istop))
      call store_error_unit(this%inunit)
    end if
    call urword(line, lloc, istart, istop, 1, ival, rval, 0, 0)
    this%grid_type = line(istart:istop)
 
    ! version
    read (this%inunit) line
    lloc = 1
    call urword(line, lloc, istart, istop, 0, ival, rval, 0, 0)
    call urword(line, lloc, istart, istop, 2, ival, rval, 0, 0)
    this%version = ival
 
    ! ntxt
    read (this%inunit) line
    lloc = 1
    call urword(line, lloc, istart, istop, 0, ival, rval, 0, 0)
    call urword(line, lloc, istart, istop, 2, ival, rval, 0, 0)
    this%ntxt = ival
 
    ! lentxt
    read (this%inunit) line
    lloc = 1
    call urword(line, lloc, istart, istop, 0, ival, rval, 0, 0)
    call urword(line, lloc, istart, istop, 2, ival, rval, 0, 0)
    this%lentxt = ival
 

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read_int()

integer(i4b) function gridfilereadermodule::read_int	(	class(gridfilereadertype), intent(inout)	this,
		character(len=*), intent(in)	key
	)

Definition at line 208 of file GridFileReader.f90.

    class(GridFileReaderType), intent(inout) :: this
    character(len=*), intent(in) :: key
    integer(I4B) :: v
    ! local
    integer(I4B) :: ndim, pos, typ
    character(len=:), allocatable :: msg
 
    msg = 'Variable '//trim(key)//' is not an integer scalar'
    ndim = this%dim%get(key)
    if (ndim /= 0) then
      write (errmsg, '(a)') msg
      call store_error(errmsg, terminate=.true.)
    end if
    typ = this%typ%get(key)
    if (typ /= 1) then
      write (errmsg, '(a)') msg
      call store_error(errmsg, terminate=.true.)
    end if
    pos = this%pos%get(key)
    read (this%inunit, pos=pos) v
    rewind(this%inunit)
 

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read_int_1d()

integer(i4b) function, dimension(:), allocatable gridfilereadermodule::read_int_1d	(	class(gridfilereadertype), intent(inout)	this,
		character(len=*), intent(in)	key
	)

Definition at line 260 of file GridFileReader.f90.

    class(GridFileReaderType), intent(inout) :: this
    character(len=*), intent(in) :: key
    integer(I4B), allocatable :: v(:)
    ! local
    integer(I4B) :: idx, ndim, nvals, pos, typ
    character(len=:), allocatable :: msg
 
    msg = 'Variable '//trim(key)//' is not a 1D integer array'
    ndim = this%dim%get(key)
    if (ndim /= 1) then
      write (errmsg, '(a)') msg
      call store_error(errmsg, terminate=.true.)
    end if
    typ = this%typ%get(key)
    if (typ /= 1) then
      write (errmsg, '(a)') msg
      call store_error(errmsg, terminate=.true.)
    end if
    idx = this%shp_idx%get(key)
    pos = this%pos%get(key)
    nvals = this%shp(idx)
    allocate (v(nvals))
    read (this%inunit, pos=pos) v
    rewind(this%inunit)
 

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