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146 lines
4.9 KiB
146 lines
4.9 KiB
/*
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* Copyright (c) 1994 Sandia Corporation. Under the terms of Contract
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* DE-AC04-94AL85000 with Sandia Corporation, the U.S. Governement
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* retains certain rights in this software.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials provided
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* with the distribution.
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*
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* * Neither the name of Sandia Corporation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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/*****************************************************************************
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*
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* exgev - ex_get_elem_var
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*
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* author - Sandia National Laboratories
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* Larry A. Schoof - Original
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* James A. Schutt - 8 byte float and standard C definitions
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* Vic Yarberry - Added headers and error logging
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*
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*
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* environment - UNIX
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*
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* entry conditions -
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* input parameters:
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* int exoid exodus file id
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* int time_step time step number
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* int elem_var_index element variable index
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* int elem_blk_id element block id
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* int num_elem_this_blk number of elements in this block
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*
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*
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* exit conditions -
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* float* elem_var_vals array of element variable values
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*
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*
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* revision history -
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*
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* $Id: exgev.c,v 1.1 2005/07/17 15:43:59 andy Exp $
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*
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*****************************************************************************/
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#include "exodusII.h"
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#include "exodusII_int.h"
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/*
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* reads the values of a single element variable for one element block at
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* one time step in the database; assume the first time step and
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* element variable index is 1
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*/
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int ex_get_elem_var (int exoid,
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int time_step,
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int elem_var_index,
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int elem_blk_id,
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int num_elem_this_blk,
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void *elem_var_vals)
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{
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int varid, elem_blk_id_ndx;
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long start[2], count[2];
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char errmsg[MAX_ERR_LENGTH];
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exerrval = 0; /* clear error code */
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/* Determine index of elem_blk_id in VAR_ID_EL_BLK array */
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elem_blk_id_ndx = ex_id_lkup(exoid,VAR_ID_EL_BLK,elem_blk_id);
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if (exerrval != 0)
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{
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if (exerrval == EX_NULLENTITY)
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{
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sprintf(errmsg,
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"Warning: no element variables for NULL block %d in file id %d",
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elem_blk_id,exoid);
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ex_err("ex_get_elem_var",errmsg,EX_MSG);
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return (EX_WARN);
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}
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else
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{
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sprintf(errmsg,
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"Error: failed to locate element block id %d in %s variable in file id %d",
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elem_blk_id, VAR_ID_EL_BLK, exoid);
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ex_err("ex_get_elem_var",errmsg,exerrval);
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return (EX_FATAL);
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}
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}
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/* inquire previously defined variable */
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if((varid=ncvarid(exoid,VAR_ELEM_VAR(elem_var_index,elem_blk_id_ndx))) == -1)
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{
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exerrval = ncerr;
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sprintf(errmsg,
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"Error: failed to locate elem var %d for elem block %d in file id %d",
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elem_var_index,elem_blk_id,exoid); /* this msg needs to be improved */
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ex_err("ex_get_elem_var",errmsg,exerrval);
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return (EX_FATAL);
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}
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/* read values of element variable */
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start[0] = --time_step;
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start[1] = 0;
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count[0] = 1;
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count[1] = num_elem_this_blk;
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if (ncvarget (exoid, varid, start, count,
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ex_conv_array(exoid,RTN_ADDRESS,elem_var_vals,num_elem_this_blk)) == -1)
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{
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exerrval = ncerr;
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sprintf(errmsg,
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"Error: failed to get elem var %d for block %d in file id %d",
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elem_var_index,elem_blk_id,exoid);/*this msg needs to be improved*/
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ex_err("ex_get_elem_var",errmsg,exerrval);
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return (EX_FATAL);
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}
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ex_conv_array( exoid, READ_CONVERT, elem_var_vals, num_elem_this_blk );
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return (EX_NOERR);
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}
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