/* * Copyright (c) 2006 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. * */ /*! * * \undoc exgconn - exodusII read edge/face/element block connectivity * * entry conditions - * expelb must be called first to establish element block parameters. * input parameters: * int exoid exodus file id * int blk_type block type (edge, face, element) * int blk_id block id * * exit conditions - * int* nodeconn nodal connectivity array * int* edgeconn edge connectivity array (where applicable) * int* faceconn face connectivity array (where applicable) * * */ #include #include "exodusII.h" #include "exodusII_int.h" int ex_get_conn( int exoid, ex_entity_type blk_type, int blk_id, int* nodeconn, int* edgeconn, int* faceconn ) { int connid, econnid, fconnid, blk_id_ndx, status; int numnodperentdim, numedgperentdim, numfacperentdim; int iexit = (EX_NOERR); /* exit status */ size_t num_nodes_per_entry, num_edges_per_entry, num_faces_per_entry; char errmsg[MAX_ERR_LENGTH]; const char* dnumnodent; const char* dnumedgent; const char* dnumfacent; const char* vnodeconn; const char* vedgeconn; const char* vfaceconn; /* Should we warn if edgeconn or faceconn are non-NULL? * No, fail silently so the same code can be used to read any type of block info. * However, we will warn if edgeconn or faceconn are NULL but num_edges_per_entry * or num_faces_per_entry (respectively) are positive. */ exerrval = 0; /* clear error code */ /* Locate index of element block id in VAR_ID_EL_BLK array */ blk_id_ndx = ex_id_lkup(exoid,blk_type,blk_id); if (exerrval != 0) { if (exerrval == EX_NULLENTITY) { sprintf(errmsg, "Warning: no connectivity array for NULL %s %d in file id %d", ex_name_of_object(blk_type),blk_id,exoid); ex_err("ex_get_conn",errmsg,EX_MSG); return (EX_WARN); /* no connectivity array for this element block */ } else { sprintf(errmsg, "Error: failed to locate %s id %d in id array in file id %d", ex_name_of_object(blk_type),blk_id,exoid); ex_err("ex_get_conn",errmsg,exerrval); return (EX_FATAL); } } switch (blk_type) { case EX_EDGE_BLOCK: dnumnodent = DIM_NUM_NOD_PER_ED(blk_id_ndx); dnumedgent = 0; dnumfacent = 0; vnodeconn = VAR_EBCONN(blk_id_ndx); vedgeconn = 0; vfaceconn = 0; break; case EX_FACE_BLOCK: dnumnodent = DIM_NUM_NOD_PER_FA(blk_id_ndx); dnumedgent = 0; dnumfacent = 0; vnodeconn = VAR_FBCONN(blk_id_ndx); vedgeconn = 0; vfaceconn = 0; break; case EX_ELEM_BLOCK: dnumnodent = DIM_NUM_NOD_PER_EL(blk_id_ndx); dnumedgent = DIM_NUM_EDG_PER_EL(blk_id_ndx); dnumfacent = DIM_NUM_FAC_PER_EL(blk_id_ndx); vnodeconn = VAR_CONN(blk_id_ndx); vedgeconn = VAR_ECONN(blk_id_ndx); vfaceconn = VAR_FCONN(blk_id_ndx); break; default: exerrval = 1005; sprintf(errmsg, "Internal Error: unrecognized block type in switch: %d in file id %d", blk_type,exoid); ex_err("ex_get_conn",errmsg,EX_MSG); return (EX_FATAL); /* number of attributes not defined */ } /* inquire id's of previously defined dimensions */ num_nodes_per_entry = 0; if ((status = nc_inq_dimid (exoid, dnumnodent, &numnodperentdim)) != NC_NOERR) { numnodperentdim = -1; } else { if ((status = nc_inq_dimlen(exoid, numnodperentdim, &num_nodes_per_entry)) != NC_NOERR) { exerrval = status; sprintf(errmsg, "Error: failed to get number of nodes/entity for %s %d in file id %d", ex_name_of_object(blk_type),blk_id,exoid); ex_err("ex_get_conn",errmsg, exerrval); return(EX_FATAL); } } if ( dnumedgent ) { num_edges_per_entry = 0; if ((status = nc_inq_dimid(exoid, dnumedgent, &numedgperentdim)) != NC_NOERR) { numedgperentdim = -1; } else { if ((status = nc_inq_dimlen(exoid, numedgperentdim, &num_edges_per_entry)) != NC_NOERR) { exerrval = status; sprintf(errmsg, "Error: failed to get number of edges/entry for %s %d in file id %d", ex_name_of_object(blk_type),blk_id,exoid); ex_err("ex_get_conn",errmsg, exerrval); return(EX_FATAL); } } } if ( dnumfacent ) { num_faces_per_entry = 0; if ((status = nc_inq_dimid(exoid, dnumfacent, &numfacperentdim)) != NC_NOERR) { numfacperentdim = -1; } else { if ((status = nc_inq_dimlen(exoid, numfacperentdim, &num_faces_per_entry)) != NC_NOERR) { exerrval = status; sprintf(errmsg, "Error: failed to get number of faces/entry for %s %d in file id %d", ex_name_of_object(blk_type),blk_id,exoid); ex_err("ex_get_conn",errmsg, exerrval); return(EX_FATAL); } } } status = 0; if (nodeconn && (numnodperentdim >= 0) && ((status = nc_inq_varid(exoid, vnodeconn, &connid)) != NC_NOERR)) { exerrval = status; sprintf(errmsg, "Error: failed to locate node connectivity array for %s %d in file id %d", ex_name_of_object(blk_type),blk_id,exoid); ex_err("ex_get_conn",errmsg, exerrval); return(EX_FATAL); } status = 0; if (edgeconn && (numedgperentdim >= 0) && ((status = nc_inq_varid (exoid, vedgeconn, &econnid)) != NC_NOERR)) { exerrval = status; sprintf(errmsg, "Error: failed to locate edge connectivity array for %s %d in file id %d", ex_name_of_object(blk_type),blk_id,exoid); ex_err("ex_get_conn",errmsg, exerrval); return(EX_FATAL); } if (faceconn && (numfacperentdim >= 0) && ((status = nc_inq_varid (exoid, vfaceconn, &fconnid)) != NC_NOERR)) { exerrval = status; sprintf(errmsg, "Error: failed to locate face connectivity array for %s %d in file id %d", ex_name_of_object(blk_type),blk_id,exoid); ex_err("ex_get_conn",errmsg, exerrval); return(EX_FATAL); } /* read in the connectivity array */ if ( edgeconn && num_edges_per_entry > 0) { status = nc_get_var_int(exoid, econnid, edgeconn); if (status != NC_NOERR) { exerrval = status; sprintf(errmsg, "Error: failed to get edge connectivity array for %s %d in file id %d", ex_name_of_object(blk_type),blk_id,exoid); ex_err("ex_get_conn",errmsg, exerrval); return(EX_FATAL); } } if ( faceconn && num_faces_per_entry > 0) { status = nc_get_var_int(exoid, fconnid, faceconn); if (status != NC_NOERR) { exerrval = status; sprintf(errmsg, "Error: failed to get face connectivity array for %s %d in file id %d", ex_name_of_object(blk_type),blk_id,exoid); ex_err("ex_get_conn",errmsg, exerrval); return(EX_FATAL); } } if ( nodeconn && num_nodes_per_entry > 0) { status = nc_get_var_int(exoid, connid, nodeconn); if (status != NC_NOERR) { exerrval = status; sprintf(errmsg, "Error: failed to get node connectivity array for %s %d in file id %d", ex_name_of_object(blk_type),blk_id,exoid); ex_err("ex_get_conn",errmsg, exerrval); return(EX_FATAL); } } return iexit; }