/* * Copyright (c) 1994 Sandia Corporation. Under the terms of Contract * DE-AC04-94AL85000 with Sandia Corporation, the U.S. Governement * retains certain rights in this software. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are * met: * * * Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * * Redistributions in binary form must reproduce the above * copyright notice, this list of conditions and the following * disclaimer in the documentation and/or other materials provided * with the distribution. * * * Neither the name of Sandia Corporation nor the names of its * contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "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 THE COPYRIGHT * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * */ /***************************************************************************** * * exgelc - exodusII read element block connectivity * * author - Sandia National Laboratories * Larry A. Schoof - Original * James A. Schutt - 8 byte float and standard C definitions * Vic Yarberry - Added headers and error logging * * environment - UNIX * * entry conditions - * expelb must be called first to establish element block parameters. * input parameters: * int exoid exodus file id * int elem_blk_id element block id * * exit conditions - * int* connect connectivity array * * revision history - * * $Id: exgelc.c,v 1.1 2005/07/17 15:43:59 andy Exp $ */ #include #include "exodusII.h" #include "exodusII_int.h" /* * reads the connectivity array for an element block */ int ex_get_elem_conn (int exoid, int elem_blk_id, int *connect) { int numelbdim, nelnoddim, connid, elem_blk_id_ndx, iresult; long num_elem_this_blk, num_nod_per_elem, start[2], count[2]; nclong *longs; char errmsg[MAX_ERR_LENGTH]; exerrval = 0; /* clear error code */ /* Locate index of element block id in VAR_ID_EL_BLK array */ elem_blk_id_ndx = ex_id_lkup(exoid,VAR_ID_EL_BLK,elem_blk_id); if (exerrval != 0) { if (exerrval == EX_NULLENTITY) { sprintf(errmsg, "Warning: no connectivity array for NULL block %d in file id %d", elem_blk_id,exoid); ex_err("ex_get_elem_conn",errmsg,EX_MSG); return (EX_WARN); /* no connectivity array for this element block */ } else { sprintf(errmsg, "Error: failed to locate element block id %d in %s array in file id %d", elem_blk_id,VAR_ID_EL_BLK,exoid); ex_err("ex_get_elem_conn",errmsg,exerrval); return (EX_FATAL); } } /* inquire id's of previously defined dimensions */ if ((numelbdim = ncdimid (exoid, DIM_NUM_EL_IN_BLK(elem_blk_id_ndx))) == -1) { exerrval = ncerr; sprintf(errmsg, "Error: failed to locate number of elements in block %d in file id %d", elem_blk_id,exoid); ex_err("ex_get_elem_conn",errmsg, exerrval); return(EX_FATAL); } if (ncdiminq (exoid, numelbdim, (char *) 0, &num_elem_this_blk) == -1) { exerrval = ncerr; sprintf(errmsg, "Error: failed to get number of elements in block %d in file id %d", elem_blk_id,exoid); ex_err("ex_get_elem_conn",errmsg,exerrval); return(EX_FATAL); } if ((nelnoddim = ncdimid (exoid, DIM_NUM_NOD_PER_EL(elem_blk_id_ndx))) == -1) { exerrval = ncerr; sprintf(errmsg, "Error: failed to locate number of nodes/elem for block %d in file id %d", elem_blk_id,exoid); ex_err("ex_get_elem_conn",errmsg,exerrval); return(EX_FATAL); } if (ncdiminq (exoid, nelnoddim, (char *) 0, &num_nod_per_elem) == -1) { exerrval = ncerr; sprintf(errmsg, "Error: failed to get number of nodes/elem for block %d in file id %d", elem_blk_id,exoid); ex_err("ex_get_elem_conn",errmsg, exerrval); return(EX_FATAL); } if ((connid = ncvarid (exoid, VAR_CONN(elem_blk_id_ndx))) == -1) { exerrval = ncerr; sprintf(errmsg, "Error: failed to locate connectivity array for block %d in file id %d", elem_blk_id,exoid); ex_err("ex_get_elem_conn",errmsg, exerrval); return(EX_FATAL); } /* read in the connectivity array */ /* application code has allocated an array of ints but netcdf is expecting a pointer to nclongs; if ints are different sizes than nclongs, we must allocate an array of nclongs then convert them to ints with ltoi */ start[0] = 0; start[1] = 0; count[0] = num_elem_this_blk; count[1] = num_nod_per_elem; if (sizeof(int) == sizeof(nclong)) { iresult = ncvarget (exoid, connid, start, count, connect); } else { if (!(longs = malloc (num_elem_this_blk*num_nod_per_elem * sizeof(nclong)))) { exerrval = EX_MEMFAIL; sprintf(errmsg, "Error: failed to allocate memory for element connectivity array for file id %d", exoid); ex_err("ex_get_elem_conn",errmsg,exerrval); return (EX_FATAL); } iresult = ncvarget (exoid, connid, start, count, longs); } if (iresult == -1) { exerrval = ncerr; sprintf(errmsg, "Error: failed to get connectivity array for block %d in file id %d", elem_blk_id,exoid); ex_err("ex_get_elem_conn",errmsg, exerrval); return(EX_FATAL); } if (sizeof(int) != sizeof(nclong)) { ltoi (longs, connect, num_elem_this_blk*num_nod_per_elem); free (longs); } return (EX_NOERR); }