gdncattrinquire.f90 File Reference

属性情報の問い合わせ More...

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Functions/Subroutines
subroutine	gdncattrinquire (var, attrname, xtype)
subroutine	gdncattrinquireplus (var, attrname, varid, nf_attrname)

Detailed Description

属性情報の問い合わせ

Author

GFD Dennou Club

Copyright

Copyright (C) GFD Dennou Club, 2000-2026. All rights reserved.
License is BSD-2-Clause. See COPYRIGHT in detail

Definition in file gdncattrinquire.f90.

Function/Subroutine Documentation

gdncattrinquire()

subroutine gdncattrinquire	(	type(gd_nc_variable), intent(in)	var,
		character(len=*), intent(in)	attrname,
		character(len=*), intent(out), optional	xtype
	)

属性の型情報を取得

指定された属性の型名を返します。

Parameters

[in]	var	変数ハンドル
[in]	attrname	属性名
[out]	xtype	型名 (省略可能)

Definition at line 34 of file gdncattrinquire.f90.

  use gtdata_netcdf_types, only: gd_nc_variable, gd_nc_variable_entry
  use gtdata_netcdf_internal, only: vtable_lookup
  use gtdata_netcdf_generic, only: gdncxtypename, inquireplus
  use netcdf, only: nf90_max_name, nf90_noerr, nf90_inquire_attribute
  implicit none
  type(GD_NC_VARIABLE), intent(in):: var
  character(len=*), intent(in):: attrname
  character(len=*), intent(out), optional:: xtype
  type(GD_NC_VARIABLE_ENTRY):: ent
  integer:: varid, i_xtype, stat
  character(len=NF90_MAX_NAME):: anam
  stat = vtable_lookup(var, ent)
  if (stat /= nf90_noerr) return
  if (present(xtype)) then
    call inquireplus(var, attrname, varid, anam)
    stat = nf90_inquire_attribute(ent%fileid, varid, anam, xtype=i_xtype)
    if (stat /= nf90_noerr) i_xtype = 0
    call gdncxtypename(i_xtype, xtype)
  endif

References gtdata_netcdf_internal::vtable_lookup().

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gdncattrinquireplus()

subroutine gdncattrinquireplus	(	type(gd_nc_variable), intent(in)	var,
		character(len=*), intent(in)	attrname,
		integer, intent(out)	varid,
		character(len=*), intent(out)	nf_attrname
	)

netCDF アクセス用の実際の varid と属性名を取得

netCDF アクセスに使う実際の varid と属性名を決定します:

• attrname の先頭が '+': グローバル属性を強制指示
• attrname の先頭が '-': 変数属性、グローバル属性の順で検索

Parameters

[in]	var	変数ハンドル
[in]	attrname	属性名 (接頭辞を含む場合あり)
[out]	varid	netCDF 変数 ID
[out]	nf_attrname	netCDF 属性名

Definition at line 78 of file gdncattrinquire.f90.

  use gtdata_netcdf_types, only: gd_nc_variable, gd_nc_variable_entry
  use gtdata_netcdf_internal, only: vtable_lookup
  use dc_url, only: gt_plus
  use netcdf, only: nf90_global, nf90_noerr, nf90_inquire_attribute
  type(GD_NC_VARIABLE), intent(in):: var
  character(len=*), intent(in):: attrname
  integer, intent(out):: varid
  type(GD_NC_VARIABLE_ENTRY):: ent
  character(len=*), intent(out):: nf_attrname
  integer:: stat, n
  stat = vtable_lookup(var, ent)
  if (stat /= nf90_noerr) return
  if (attrname(1:1) == gt_plus) then
    varid = nf90_global
    nf_attrname = attrname(2: )
  else if (attrname(1:1) == '-') then
    varid = ent%varid
    nf_attrname = attrname(2: )
    stat = nf90_inquire_attribute(ent%fileid, varid, nf_attrname, len = n)
    if (stat == nf90_noerr) return
    varid = nf90_global
  else
    varid = ent%varid
    nf_attrname = attrname
  endif

References dc_url::gt_plus, and gtdata_netcdf_internal::vtable_lookup().

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