expp.c

一个用来实现偏微分方程中网格的计算库

/*
 * Copyright (c) 2005 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.
 * 
 */
/*****************************************************************************
*
* expp - ex_put_prop: write object property 
*
* entry conditions - 
*   input parameters:
*       int     exoid                   exodus file id
*       int     obj_type                type of object (element block, node
*                                               set or side set)
*       int     obj_id                  id of object to which property will
*                                               be assigned
*       char*   prop_name               name of the property for which the
*                                               value will be stored
*       int     value                   value of the property
*       
* exit conditions - 
*
* revision history - 
*
*  $Id: expp.c 2928 2008-07-11 17:45:07Z friedmud $
*
*****************************************************************************/

#include "exodusII.h"
#include "exodusII_int.h"
#include <string.h>

/*!
 * writes an object property 
 * \param       exoid                   exodus file id
 * \param       obj_type                type of object
 * \param       obj_id                  id of object to which property will be assigned
 * \param       prop_name               name of the property for which the value will be stored
 * \param       value                   value of the property
 */

int ex_put_prop (int   exoid,
                 ex_entity_type obj_type,
                 int   obj_id,
                 const char *prop_name,
                 int   value)
{
  int status;
  int oldfill, temp;
  int found = FALSE;
  int num_props, i, dimid, propid, dims[1];
  size_t start[1]; 
  int ldum;
  char name[MAX_VAR_NAME_LENGTH+1];
  char tmpstr[MAX_STR_LENGTH+1];
  char dim_name[MAX_VAR_NAME_LENGTH+1];
  int vals[1];

  char errmsg[MAX_ERR_LENGTH];

  exerrval  = 0; /* clear error code */

  /* check if property has already been created */

  num_props = ex_get_num_props(exoid, obj_type);

  if (num_props > 1) {  /* any properties other than the default 1? */

    for (i=1; i<=num_props; i++) {
      switch (obj_type) {
      case EX_ELEM_BLOCK:
	strcpy (name, VAR_EB_PROP(i));
	break;
      case EX_EDGE_BLOCK:
	strcpy (name, VAR_ED_PROP(i));
	break;
      case EX_FACE_BLOCK:
	strcpy (name, VAR_FA_PROP(i));
	break;
      case EX_NODE_SET:
	strcpy (name, VAR_NS_PROP(i));
	break;
      case EX_EDGE_SET:
	strcpy (name, VAR_ES_PROP(i));
	break;
      case EX_FACE_SET:
	strcpy (name, VAR_FS_PROP(i));
	break;
      case EX_ELEM_SET:
	strcpy (name, VAR_ELS_PROP(i));
	break;
      case EX_SIDE_SET:
	strcpy (name, VAR_SS_PROP(i));
	break;
      case EX_ELEM_MAP:
	strcpy (name, VAR_EM_PROP(i));
	break;
      case EX_FACE_MAP:
	strcpy (name, VAR_FAM_PROP(i));
	break;
      case EX_EDGE_MAP:
	strcpy (name, VAR_EDM_PROP(i));
	break;
      case EX_NODE_MAP:
	strcpy (name, VAR_NM_PROP(i));
	break;
      default:
	exerrval = EX_BADPARAM;
	sprintf(errmsg, "Error: object type %d not supported; file id %d",
		obj_type, exoid);
	ex_err("ex_put_prop",errmsg,exerrval);
	return(EX_FATAL);
      }

      if ((status = nc_inq_varid(exoid, name, &propid)) != NC_NOERR) {
	exerrval = status;
	sprintf(errmsg,
		"Error: failed to get property array id in file id %d",
		exoid);
	ex_err("ex_put_prop",errmsg,exerrval);
	return (EX_FATAL);
      }

      /*   compare stored attribute name with passed property name   */
      memset(tmpstr, 0, MAX_STR_LENGTH+1);
      if ((status = nc_get_att_text(exoid, propid, ATT_PROP_NAME, tmpstr)) != NC_NOERR) {
	exerrval = status;
	sprintf(errmsg,
		"Error: failed to get property name in file id %d", exoid);
	ex_err("ex_put_prop",errmsg,exerrval);
	return (EX_FATAL);
      }

      if (strcmp(tmpstr, prop_name) == 0) {
	found = TRUE;
	break;
      }
    }
  }

  /* if property array has not been created, create it */
  if (!found) {
    /* put netcdf file into define mode  */

    if ((status = nc_redef (exoid)) != NC_NOERR) {
      exerrval = status;
      sprintf(errmsg,"Error: failed to place file id %d into define mode",exoid);
      ex_err("ex_put_prop",errmsg,exerrval);
      return (EX_FATAL);
    }

    /*   create a variable with a name xx_prop#, where # is the new number   */
    /*   of the property                                                     */

    switch (obj_type){
    case EX_ELEM_BLOCK:
      strcpy (name, VAR_EB_PROP(num_props+1));
      strcpy (dim_name, DIM_NUM_EL_BLK);
      break;
    case EX_FACE_BLOCK:
      strcpy (name, VAR_FA_PROP(num_props+1));
      strcpy (dim_name, DIM_NUM_FA_BLK);
      break;
    case EX_EDGE_BLOCK:
      strcpy (name, VAR_ED_PROP(num_props+1));
      strcpy (dim_name, DIM_NUM_ED_BLK);
      break;
    case EX_NODE_SET:
      strcpy (name, VAR_NS_PROP(num_props+1));
      strcpy (dim_name, DIM_NUM_NS);
      break;
    case EX_EDGE_SET:
      strcpy (name, VAR_ES_PROP(num_props+1));
      strcpy (dim_name, DIM_NUM_ES);
      break;
    case EX_FACE_SET:
      strcpy (name, VAR_FS_PROP(num_props+1));
      strcpy (dim_name, DIM_NUM_FS);
      break;
    case EX_ELEM_SET:
      strcpy (name, VAR_ELS_PROP(num_props+1));
      strcpy (dim_name, DIM_NUM_ELS);
      break;
    case EX_SIDE_SET:
      strcpy (name, VAR_SS_PROP(num_props+1));
      strcpy (dim_name, DIM_NUM_SS);
      break;
    case EX_ELEM_MAP:
      strcpy (name, VAR_EM_PROP(num_props+1));
      strcpy (dim_name, DIM_NUM_EM);
      break;
    case EX_FACE_MAP:
      strcpy (name, VAR_FAM_PROP(num_props+1));
      strcpy (dim_name, DIM_NUM_FAM);
      break;
    case EX_EDGE_MAP:
      strcpy (name, VAR_EDM_PROP(num_props+1));
      strcpy (dim_name, DIM_NUM_EDM);
      break;
    case EX_NODE_MAP:
      strcpy (name, VAR_NM_PROP(num_props+1));
      strcpy (dim_name, DIM_NUM_NM);
      break;
    default:
      exerrval = EX_BADPARAM;
      sprintf(errmsg, "Error: object type %d not supported; file id %d",
	      obj_type, exoid);
      ex_err("ex_put_prop",errmsg,exerrval);
      goto error_ret;        /* Exit define mode and return */
    }

    /*   inquire id of previously defined dimension (number of objects) */
    if ((status = nc_inq_dimid(exoid, dim_name, &dimid)) != NC_NOERR) {
      exerrval = status;
      sprintf(errmsg,
	      "Error: failed to locate number of objects in file id %d",
	      exoid);
      ex_err("ex_put_prop",errmsg, exerrval);
      goto error_ret;  /* Exit define mode and return */
    }

    dims[0] = dimid;
    nc_set_fill(exoid, NC_FILL, &oldfill); /* fill with zeros per routine spec */

    if ((status = nc_def_var(exoid, name, NC_INT, 1, dims, &propid)) != NC_NOERR) {
      exerrval = status;
      sprintf(errmsg,
	      "Error: failed to create property array variable in file id %d",
	      exoid);
      ex_err("ex_put_prop",errmsg,exerrval);
      goto error_ret;  /* Exit define mode and return */
    }

    vals[0] = 0; /* fill value */
    /*   create attribute to cause variable to fill with zeros per routine spec */
    if ((status = nc_put_att_int(exoid, propid, _FillValue, NC_INT, 1, vals)) != NC_NOERR) {
      exerrval = status;
      sprintf(errmsg,
	      "Error: failed to create property name fill attribute in file id %d",
	      exoid);
      ex_err("ex_put_prop",errmsg,exerrval);
      goto error_ret;  /* Exit define mode and return */
    }

    /*   store property name as attribute of property array variable */
    if ((status = nc_put_att_text(exoid, propid, ATT_PROP_NAME, 
				  strlen(prop_name)+1, (void*)prop_name)) != NC_NOERR) {
      exerrval = status;
      sprintf(errmsg,
	      "Error: failed to store property name %s in file id %d",
	      prop_name,exoid);
      ex_err("ex_put_prop",errmsg,exerrval);
      goto error_ret;  /* Exit define mode and return */
    }

    /* leave define mode  */
    if ((status = nc_enddef (exoid)) != NC_NOERR) {
      exerrval = status;
      sprintf(errmsg,
	      "Error: failed to leave define mode in file id %d",
	      exoid);
      ex_err("ex_put_prop",errmsg,exerrval);
      return (EX_FATAL);
    }

    nc_set_fill(exoid, oldfill, &temp); /* default: nofill */
  }

  /* find index into property array using obj_id; put value in property */
  /* array at proper index; ex_id_lkup returns an index that is 1-based,*/
  /* but netcdf expects 0-based arrays so subtract 1                    */

  /* special case: property name ID - check for duplicate ID assignment */
  if (strcmp("ID",prop_name) == 0) {
    start[0] = ex_id_lkup (exoid, obj_type, value);
    if (exerrval != EX_LOOKUPFAIL)   /* found the id */
      {
	exerrval = EX_BADPARAM;
	sprintf(errmsg,
		"Warning: attempt to assign duplicate %s ID %d in file id %d",
		ex_name_of_object(obj_type), value, exoid);
	ex_err("ex_put_prop",errmsg,exerrval);
	return (EX_WARN);
      }
  }

  start[0] = ex_id_lkup (exoid, obj_type, obj_id);
  if (exerrval != 0) {
    if (exerrval == EX_NULLENTITY) {
      sprintf(errmsg,
	      "Warning: no properties allowed for NULL %s id %d in file id %d",
	      ex_name_of_object(obj_type), obj_id,exoid);
      ex_err("ex_put_prop",errmsg,EX_MSG);
      return (EX_WARN);
    } else {
      sprintf(errmsg,
	      "Error: failed to find value %d in %s property array in file id %d",
	      obj_id, ex_name_of_object(obj_type), exoid);
      ex_err("ex_put_prop",errmsg,exerrval);
      return (EX_FATAL);
    }
  }

  start[0] = start[0] - 1; 

  ldum = (int)value;
  if ((status = nc_put_var1_int(exoid, propid, start, &ldum)) != NC_NOERR) {
    exerrval = status;
    sprintf(errmsg,
	    "Error: failed to store property value in file id %d",
	    exoid);
    ex_err("ex_put_prop",errmsg,exerrval);
    return (EX_FATAL);
  }

  return (EX_NOERR);

  /* Fatal error: exit definition mode and return */
 error_ret:
  nc_set_fill(exoid, oldfill, &temp); /* default: nofill */

  if (nc_enddef (exoid) != NC_NOERR) {    /* exit define mode */
    sprintf(errmsg,
	    "Error: failed to complete definition for file id %d",
	    exoid);
    ex_err("ex_put_prop",errmsg,exerrval);
  }
  return (EX_FATAL);
}