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SUBROUTINE INIT_EMPTY_CONTEXT ( cx )
*
*
* This software was developed by the Thermal Modeling and Analysis
* Project(TMAP) of the National Oceanographic and Atmospheric
* Administration's (NOAA) Pacific Marine Environmental Lab(PMEL),
* hereafter referred to as NOAA/PMEL/TMAP.
*
* Access and use of this software shall impose the following
* obligations and understandings on the user. The user is granted the
* right, without any fee or cost, to use, copy, modify, alter, enhance
* and distribute this software, and any derivative works thereof, and
* its supporting documentation for any purpose whatsoever, provided
* that this entire notice appears in all copies of the software,
* derivative works and supporting documentation. Further, the user
* agrees to credit NOAA/PMEL/TMAP in any publications that result from
* the use of this software or in any product that includes this
* software. The names TMAP, NOAA and/or PMEL, however, may not be used
* in any advertising or publicity to endorse or promote any products
* or commercial entity unless specific written permission is obtained
* from NOAA/PMEL/TMAP. The user also understands that NOAA/PMEL/TMAP
* is not obligated to provide the user with any support, consulting,
* training or assistance of any kind with regard to the use, operation
* and performance of this software nor to provide the user with any
* updates, revisions, new versions or "bug fixes".
*
* THIS SOFTWARE IS PROVIDED BY NOAA/PMEL/TMAP "AS IS" AND ANY EXPRESS
* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL NOAA/PMEL/TMAP BE LIABLE FOR ANY SPECIAL,
* INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER
* RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF
* CONTRACT, NEGLIGENCE OR OTHER TORTUOUS ACTION, ARISING OUT OF OR IN
* CONNECTION WITH THE ACCESS, USE OR PERFORMANCE OF THIS SOFTWARE.
*
*
* set up a "null" context suitable to merge other contexts on top of
* V450: 1/97 - part of changes to accomodate grid-changing functions
* 9/97 *kob* - initialize cx_calendar as well
* V530: 8/00 *sh* - initialize data type to unspecified
* *acm* 3/12 6D Ferret (common uses nferdims in tmap_dims.parm)
* V690 *sh* 2/14 init auxiliary var-related context variables
* V695 *acm* 2/15 cx_calendar stores info about calendar formatting of T and F axes
IMPLICIT NONE
include 'tmap_dims.parm'
include 'ferret.parm'
include 'xcontext.cmn'
* calling argument declarations:
INTEGER cx
* internal variable declarations
INTEGER idim
* all contexts contain axis region information
DO 100 idim = 1,nferdims
cx_lo_ss ( cx, idim ) = unspecified_int4
cx_hi_ss ( cx, idim ) = unspecified_int4
cx_lo_ww ( idim, cx ) = unspecified_val8
cx_hi_ww ( idim, cx ) = unspecified_val8
cx_trans ( idim, cx ) = trans_no_transform
cx_by_ss ( idim, cx ) = .TRUE.
cx_given ( idim, cx ) = .TRUE. ! <== (*)
cx_aux_given( idim, cx ) = .FALSE.
cx_aux_stat ( idim, cx ) = paux_stat_na
cx_aux_var ( idim, cx ) = unspecified_int4
cx_aux_cat ( idim, cx ) = unspecified_int4
cx_aux_stat ( idim, cx ) = paux_stat_na
cx_trans_arg( idim, cx ) = bad_val4
cx_delta ( idim, cx ) = unspecified_val8
cx_regrid_trans(idim,cx)=unspecified_int4
100 CONTINUE
cx_data_set( cx ) = unspecified_int4
cx_dset_gvn( cx ) = .TRUE. ! <== (*)
cx_category( cx ) = unspecified_int4
cx_variable( cx ) = unspecified_int4
cx_grid ( cx ) = unspecified_int4
cx_type ( cx ) = unspecified_int4
! cx_ovsiz ( cx ) = JC_TODO: what should this be?
cx_bad_data( cx ) = bad_val4
cx_unstand_grid ( cx ) = .FALSE.
cx_impl_grid ( cx ) = unspecified_int4
* kob 9/97 - need to initialize cx_calendar as well
IF (idim .eq. t_dim .OR. idim .eq. f_dim)
. cx_calendar(idim,cx) = .FALSE.
* (*) initialized to TRUE so that ANDing with another context will yield
* TRUE only if "given" in that context
RETURN
END
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