int ex_get_var_time( int exoid,
int var_type,
int var_index,
int id,
int beg_time_step,
int end_time_step,
void* var_vals )
{
int i, dimid, varid, numel = 0, offset;
nclong *obj_ids, *stat_vals;
long num_obj, num_entries_this_obj = 0, start[2], count[2];
float fdum;
char *cdum;
char errmsg[MAX_ERR_LENGTH];
const char* tname;
const char* dimnumobj;
const char* varobjids;
const char* varobstat;
switch (var_type) {
case EX_GLOBAL:
return ex_get_glob_var_time( exoid, var_index, beg_time_step, end_time_step, var_vals );
case EX_NODAL:
return ex_get_nodal_var_time( exoid, var_index, id, beg_time_step, end_time_step, var_vals );
case EX_EDGE_BLOCK:
tname = "edge block";
dimnumobj = DIM_NUM_ED_BLK;
varobjids = VAR_ID_ED_BLK;
varobstat = VAR_STAT_ED_BLK;
break;
case EX_FACE_BLOCK:
tname = "face block";
dimnumobj = DIM_NUM_FA_BLK;
varobjids = VAR_ID_FA_BLK;
varobstat = VAR_STAT_FA_BLK;
break;
case EX_ELEM_BLOCK:
tname = "element block";
dimnumobj = DIM_NUM_EL_BLK;
varobjids = VAR_ID_EL_BLK;
varobstat = VAR_STAT_EL_BLK;
break;
case EX_NODE_SET:
tname = "node set";
dimnumobj = DIM_NUM_NSET_VAR;
varobjids = VAR_NS_IDS;
varobstat = VAR_NS_STAT;
break;
case EX_EDGE_SET:
tname = "edge set";
dimnumobj = DIM_NUM_ESET_VAR;
varobjids = VAR_ES_IDS;
varobstat = VAR_ES_STAT;
break;
case EX_FACE_SET:
tname = "face set";
dimnumobj = DIM_NUM_FSET_VAR;
varobjids = VAR_FS_IDS;
varobstat = VAR_FS_STAT;
break;
case EX_SIDE_SET:
tname = "side set";
dimnumobj = DIM_NUM_SSET_VAR;
varobjids = VAR_SS_IDS;
varobstat = VAR_SS_STAT;
break;
case EX_ELEM_SET:
tname = "element set";
dimnumobj = DIM_NUM_ELSET_VAR;
varobjids = VAR_ELS_IDS;
varobstat = VAR_ELS_STAT;
break;
default:
exerrval = EX_BADPARAM;
sprintf( errmsg, "Error: Invalid variable type (%d) specified for file id %d", var_type, exoid );
ex_err( "ex_get_var_time", errmsg, exerrval );
return (EX_FATAL);
}
exerrval = 0; /* clear error code */
cdum = 0; /* initialize even though it is not used */
/* assume entry number is 1-based (the first entry of an object is 1, not 0);
* adjust so it is 0-based
*/
id--;
/* find what object the entry is in */
/* first, find out how many objects there are */
if ((dimid = ncdimid (exoid, dimnumobj)) == -1)
{
exerrval = ncerr;
sprintf(errmsg,
"Error: failed to locate number of %ss in file id %d",
tname,exoid);
ex_err("ex_get_var_time",errmsg,exerrval);
return (EX_FATAL);
}
if (ncdiminq (exoid, dimid, (char *) 0, &num_obj) == -1)
{
exerrval = ncerr;
sprintf(errmsg,
"Error: failed to get number of %ss in file id %d",
tname,exoid);
ex_err("ex_get_var_time",errmsg,exerrval);
return (EX_FATAL);
}
/* get the array of object ids */
/* don't think we need this anymore since the netcdf variable names
associated with objects don't contain the object ids */
if (!(obj_ids = malloc(num_obj*sizeof(nclong))))
{
exerrval = EX_MEMFAIL;
sprintf(errmsg,
"Error: failed to allocate memory for %s ids for file id %d",
tname,exoid);
ex_err("ex_get_var_time",errmsg,exerrval);
return (EX_FATAL);
}
if ((varid = ncvarid (exoid, varobjids)) == -1)
{
exerrval = ncerr;
free(obj_ids);
sprintf(errmsg,
"Error: failed to locate %s ids in file id %d", tname,exoid);
ex_err("ex_get_var_time",errmsg,exerrval);
return (EX_FATAL);
}
start[0] = 0;
count[0] = num_obj;
if (ncvarget (exoid, varid, start, count, obj_ids) == -1)
{
exerrval = ncerr;
sprintf(errmsg,
"Error: failed to get %s ids from file id %d", tname,exoid);
ex_err("ex_get_var_time",errmsg,exerrval);
return (EX_FATAL);
}
/* allocate space for stat array */
if (!(stat_vals = malloc((int)num_obj*sizeof(nclong))))
{
exerrval = EX_MEMFAIL;
free (obj_ids);
sprintf(errmsg,
"Error: failed to allocate memory for %s status array for file id %d",
tname,exoid);
ex_err("ex_get_var_time",errmsg,exerrval);
return (EX_FATAL);
}
/* get variable id of status array */
if ((varid = ncvarid (exoid, varobstat)) != -1)
{
/* if status array exists, use it, otherwise assume, object exists
to be backward compatible */
start[0] = 0;
start[1] = 0;
count[0] = num_obj;
count[1] = 0;
if (ncvarget (exoid, varid, start, count, (void *)stat_vals) == -1)
{
exerrval = ncerr;
free (obj_ids);
free(stat_vals);
sprintf(errmsg,
"Error: failed to get %s status array from file id %d",
tname,exoid);
ex_err("ex_get_var_time",errmsg,exerrval);
return (EX_FATAL);
}
}
else /* default: status is true */
for(i=0;i<num_obj;i++)
stat_vals[i]=1;
/* loop through each object until id is found; since entry
* numbers are sequential (beginning with 1) id is in obj_i
* when id_first_i <= id <= id_last_i, where
* id_first_i is the entry number of the first entry in
* obj_i and id_last_i is the entry number of the last
* entry in obj_i
*/
i = 0;
if (stat_vals[i] != 0) {
if ((dimid = ncdimid (exoid, ex_dim_num_entries_in_object(var_type,i+1))) == -1) {
exerrval = ncerr;
sprintf(errmsg,
"Error: failed to locate number of entries in %s %d in file id %d",
tname, obj_ids[i], exoid);
ex_err("ex_get_var_time",errmsg,exerrval);
free(stat_vals);
free(obj_ids);
return (EX_FATAL);
}
if (ncdiminq (exoid, dimid, (char *) 0, &num_entries_this_obj) == -1) {
exerrval = ncerr;
sprintf(errmsg,
"Error: failed to get number of entries in %s %d in file id %d",
tname, obj_ids[i], exoid);
ex_err("ex_get_var_time",errmsg,exerrval);
free(stat_vals);
free(obj_ids);
return (EX_FATAL);
}
} /* End NULL object check */
numel = num_entries_this_obj;
while (numel <= id) {
if (stat_vals[++i] != 0) {
if ((dimid = ncdimid(exoid,ex_dim_num_entries_in_object(var_type,i+1))) == -1) {
exerrval = ncerr;
sprintf(errmsg,
"Error: failed to locate number of entries in %s %d in file id %d",
tname, obj_ids[i], exoid);
ex_err("ex_get_var_time",errmsg,exerrval);
free(stat_vals);
free(obj_ids);
return (EX_FATAL);
}
if (ncdiminq (exoid, dimid, (char *) 0, &num_entries_this_obj) == -1) {
exerrval = ncerr;
sprintf(errmsg,
"Error: failed to get number of entries in %s %d in file id %d",
tname, obj_ids[i], exoid);
ex_err("ex_get_var_time",errmsg,exerrval);
free(stat_vals);
free(obj_ids);
return (EX_FATAL);
}
numel += num_entries_this_obj;
}
}
offset = id - (numel - num_entries_this_obj);
/* inquire previously defined variable */
if((varid=ncvarid(exoid,ex_name_var_of_object(var_type,var_index,i+1))) == -1) {
exerrval = ncerr;
sprintf(errmsg,
"Error: failed to locate variable %d for %s %d in file id %d",
var_index,tname,obj_ids[i],exoid);
ex_err("ex_get_var_time",errmsg,exerrval);
free(stat_vals);
free(obj_ids);
return (EX_FATAL);
}
free(stat_vals);
free(obj_ids);
/* read values of object variable */
start[0] = --beg_time_step;
start[1] = offset;
if (end_time_step < 0) {
/* user is requesting the maximum time step; we find this out using the
* database inquire function to get the number of time steps; the ending
* time step number is 1 less due to 0 based array indexing in C
*/
if (ex_inquire (exoid, EX_INQ_TIME, &end_time_step, &fdum, cdum) == -1) {
exerrval = ncerr;
sprintf(errmsg,
"Error: failed to get maximum time step in file id %d",
exoid);
ex_err("ex_get_var_time",errmsg,exerrval);
return (EX_FATAL);
}
}
end_time_step--;
count[0] = end_time_step - beg_time_step + 1;
count[1] = 1;
if (ncvarget (exoid, varid, start, count,
ex_conv_array(exoid,RTN_ADDRESS,var_vals,count[0])) == -1) {
exerrval = ncerr;
sprintf(errmsg,
"Error: failed to get %s variable values in file id %d", tname,exoid);
ex_err("ex_get_var_time",errmsg,exerrval);
return (EX_FATAL);
}
ex_conv_array( exoid, READ_CONVERT, var_vals, count[0] );
return (EX_NOERR);
}
int ex_get_var(int exoid, int time_step, ex_entity_type var_type, int var_index,
ex_entity_id obj_id, int64_t num_entry_this_obj, void *var_vals)
{
int status;
int varid, obj_id_ndx;
size_t start[2], count[2];
char errmsg[MAX_ERR_LENGTH];
ex_check_valid_file_id(exoid);
if (var_type == EX_NODAL) {
/* FIXME: Special case: ignore obj_id, possible large_file complications,
* etc. */
return ex_get_nodal_var_int(exoid, time_step, var_index, num_entry_this_obj, var_vals);
}
if (var_type == EX_GLOBAL) {
/* FIXME: Special case: all vars stored in 2-D single array. */
return ex_get_glob_vars_int(exoid, time_step, num_entry_this_obj, var_vals);
}
exerrval = 0; /* clear error code */
/* Determine index of obj_id in VAR_ID_EL_BLK array */
obj_id_ndx = ex_id_lkup(exoid, var_type, obj_id);
if (exerrval != 0) {
if (exerrval == EX_NULLENTITY) {
snprintf(errmsg, MAX_ERR_LENGTH,
"Warning: no %s variables for NULL block %" PRId64 " in file id %d",
ex_name_of_object(var_type), obj_id, exoid);
ex_err("ex_get_var", errmsg, EX_NULLENTITY);
return (EX_WARN);
}
snprintf(errmsg, MAX_ERR_LENGTH,
"ERROR: failed to locate %s id %" PRId64 " in id variable in file id %d",
ex_name_of_object(var_type), obj_id, exoid);
ex_err("ex_get_var", errmsg, exerrval);
return (EX_FATAL);
}
/* inquire previously defined variable */
if ((status = nc_inq_varid(exoid, ex_name_var_of_object(var_type, var_index, obj_id_ndx),
&varid)) != NC_NOERR) {
exerrval = status;
snprintf(errmsg, MAX_ERR_LENGTH, "ERROR: failed to locate %s %" PRId64 " var %d in file id %d",
ex_name_of_object(var_type), obj_id, var_index, exoid);
ex_err("ex_get_var", errmsg, exerrval);
return (EX_FATAL);
}
/* Verify that time_step is within bounds */
#ifndef NDEBUG
{
int num_time_steps = ex_inquire_int(exoid, EX_INQ_TIME);
if (time_step <= 0 || time_step > num_time_steps) {
snprintf(errmsg, MAX_ERR_LENGTH, "ERROR: time_step is out-of-range. Value = %d, valid "
"range is 1 to %d in file id %d",
time_step, num_time_steps, exoid);
ex_err("ex_get_var", errmsg, EX_BADPARAM);
return (EX_FATAL);
}
}
#endif
/* read values of element variable */
start[0] = --time_step;
start[1] = 0;
count[0] = 1;
count[1] = num_entry_this_obj;
if (ex_comp_ws(exoid) == 4) {
status = nc_get_vara_float(exoid, varid, start, count, var_vals);
}
else {
status = nc_get_vara_double(exoid, varid, start, count, var_vals);
}
if (status != NC_NOERR) {
exerrval = status;
snprintf(errmsg, MAX_ERR_LENGTH,
"ERROR: failed to get %s %" PRId64 " variable %d in file id %d",
ex_name_of_object(var_type), obj_id, var_index, exoid);
ex_err("ex_get_var", errmsg, exerrval);
return (EX_FATAL);
}
return (EX_NOERR);
}
static int define_truth_table(ex_entity_type obj_type, int exoid, int num_ent, int num_var,
int *var_tab, int *status_tab, void_int *ids, const char *label)
{
char errmsg[MAX_ERR_LENGTH];
int k = 0;
int i, j;
int time_dim;
int dims[2];
int varid;
int status;
if ((status = nc_inq_dimid(exoid, DIM_TIME, &time_dim)) != NC_NOERR) {
exerrval = status;
snprintf(errmsg, MAX_ERR_LENGTH, "ERROR: failed to locate time dimension in file id %d", exoid);
ex_err("ex_put_all_var_param_ext", errmsg, exerrval);
return -1;
}
if (var_tab == NULL) {
exerrval = EX_BADPARAM;
snprintf(errmsg, MAX_ERR_LENGTH, "ERROR: %s variable truth table is NULL in file id %d", label,
exoid);
ex_err("ex_put_all_var_param_ext", errmsg, exerrval);
return -1;
}
for (i = 0; i < num_ent; i++) {
int64_t id;
if (ex_int64_status(exoid) & EX_IDS_INT64_API) {
id = ((int64_t *)ids)[i];
}
else {
id = ((int *)ids)[i];
}
for (j = 1; j <= num_var; j++) {
/* check if variables are to be put out for this block */
if (var_tab[k] != 0) {
if (status_tab[i] != 0) { /* only define variable if active */
dims[0] = time_dim;
/* Determine number of entities in entity */
/* Need way to make this more generic... */
status = nc_inq_dimid(exoid, ex_dim_num_entries_in_object(obj_type, i + 1), &dims[1]);
if (status != NC_NOERR) {
exerrval = status;
snprintf(errmsg, MAX_ERR_LENGTH,
"ERROR: failed to locate number of entities in %s %" PRId64 " in file id %d",
label, id, exoid);
ex_err("ex_put_all_var_param_ext", errmsg, exerrval);
return status;
}
/* define netCDF variable to store variable values;
* the j index cycles from 1 through the number of variables so
* that the index of the EXODUS variable (which is part of
* the name of the netCDF variable) will begin at 1 instead of 0
*/
status = nc_def_var(exoid, ex_name_var_of_object(obj_type, j, i + 1), nc_flt_code(exoid),
2, dims, &varid);
if (status != NC_NOERR) {
if (status != NC_ENAMEINUSE) {
exerrval = status;
snprintf(errmsg, MAX_ERR_LENGTH,
"ERROR: failed to define %s variable for %s %" PRId64 " in file id %d",
label, label, id, exoid);
ex_err("ex_put_all_var_param_ext", errmsg, exerrval);
return status;
}
}
ex_compress_variable(exoid, varid, 2);
}
} /* if */
k++; /* increment truth table pointer */
} /* for j */
} /* for i */
return NC_NOERR;
}
static int
ex_look_up_var(int exoid, ex_entity_type var_type, int var_index, ex_entity_id obj_id,
const char *VOBJID, const char *VOBJTAB, const char *DNUMOBJ,
const char *DNUMOBJVAR, int *varid)
{
int status;
int obj_id_ndx;
int dimid,time_dim, numobjdim, dims[2];
size_t num_obj;
size_t num_obj_var;
size_t num_entity;
int *obj_var_truth_tab;
char errmsg[MAX_ERR_LENGTH];
/* Determine index of obj_id in VOBJID array */
obj_id_ndx = ex_id_lkup(exoid,var_type,obj_id);
if (exerrval != 0) {
if (exerrval == EX_NULLENTITY) {
sprintf(errmsg,
"Warning: no variables allowed for NULL block %"PRId64" in file id %d",
obj_id,exoid);
ex_err("ex_put_var",errmsg,EX_MSG);
return (EX_WARN);
}
else {
sprintf(errmsg,
"Error: failed to locate %s id %"PRId64" in %s array in file id %d",
ex_name_of_object(var_type), obj_id, VOBJID, exoid);
ex_err("ex_put_var",errmsg,exerrval);
return (EX_FATAL);
}
}
if ((status = nc_inq_varid (exoid, ex_name_var_of_object(var_type, var_index, obj_id_ndx), varid)) != NC_NOERR) {
if (status == NC_ENOTVAR) {/* variable doesn't exist, create it! */
/* check for the existance of an TNAME variable truth table */
if (nc_inq_varid(exoid, VOBJTAB, varid) == NC_NOERR) {
/* find out number of TNAMEs and TNAME variables */
status = ex_get_dimension(exoid, DNUMOBJ, ex_name_of_object(var_type), &num_obj, &dimid, "ex_put_var");
if (status != NC_NOERR) return status;
status = ex_get_dimension(exoid, DNUMOBJVAR, ex_name_of_object(var_type), &num_obj_var, &dimid, "ex_put_var");
if (status != NC_NOERR) return status;
if (!(obj_var_truth_tab = malloc(num_obj*num_obj_var*sizeof(int)))) {
exerrval = EX_MEMFAIL;
sprintf(errmsg,
"Error: failed to allocate memory for %s variable truth table in file id %d",
ex_name_of_object(var_type), exoid);
ex_err("ex_put_var",errmsg,exerrval);
return (EX_FATAL);
}
/* read in the TNAME variable truth table */
if ((status = nc_get_var_int (exoid, *varid, obj_var_truth_tab)) != NC_NOERR) {
exerrval = status;
sprintf(errmsg,
"Error: failed to get truth table from file id %d", exoid);
ex_err("ex_put_var",errmsg,exerrval);
return (EX_FATAL);
}
if(obj_var_truth_tab[num_obj_var*(obj_id_ndx-1)+var_index-1] == 0L) {
free(obj_var_truth_tab);
exerrval = EX_BADPARAM;
sprintf(errmsg,
"Error: Invalid %s variable %d, %s %"PRId64" in file id %d",
ex_name_of_object(var_type), var_index, ex_name_of_object(var_type), obj_id, exoid);
ex_err("ex_put_var",errmsg,exerrval);
return (EX_FATAL);
}
free(obj_var_truth_tab);
}
if ((status = nc_inq_dimid(exoid, DIM_TIME, &time_dim)) != NC_NOERR) {
exerrval = status;
sprintf(errmsg,
"Error: failed to locate time dimension in file id %d", exoid);
ex_err("ex_put_var",errmsg,exerrval);
goto error_ret; /* exit define mode and return */
}
ex_get_dimension(exoid, ex_dim_num_entries_in_object(var_type, obj_id_ndx),
ex_name_of_object(var_type), &num_entity, &numobjdim, "ex_put_var");
/* variable doesn't exist so put file into define mode */
if ((status = nc_redef (exoid)) != NC_NOERR) {
exerrval = status;
sprintf(errmsg,
"Error: failed to put file id %d into define mode", exoid);
ex_err("ex_put_var",errmsg,exerrval);
return (EX_FATAL);
}
/* define netCDF variable to store TNAME variable values */
dims[0] = time_dim;
dims[1] = numobjdim;
if ((status = nc_def_var(exoid, ex_name_var_of_object(var_type, var_index, obj_id_ndx),
nc_flt_code(exoid), 2, dims, varid)) != NC_NOERR) {
exerrval = status;
sprintf(errmsg,
"Error: failed to define %s variable %d in file id %d",
ex_name_of_object(var_type), var_index,exoid);
ex_err("ex_put_var",errmsg,exerrval);
goto error_ret;
}
ex_compress_variable(exoid, *varid, 2);
/* leave define mode */
if ((status = nc_enddef (exoid)) != NC_NOERR) {
exerrval = status;
sprintf(errmsg,
"Error: failed to complete %s variable %s definition to file id %d",
ex_name_of_object(var_type), ex_name_var_of_object(var_type, var_index, obj_id_ndx), exoid);
ex_err("ex_put_var",errmsg,exerrval);
return (EX_FATAL);
}
}
else {
exerrval = status;
sprintf(errmsg,
"Error: failed to locate %s variable %s in file id %d",
ex_name_of_object(var_type), ex_name_var_of_object(var_type, var_index, obj_id_ndx), exoid);
ex_err("ex_put_var",errmsg,exerrval);
return (EX_FATAL);
}
}
return (EX_NOERR);
/* Fatal error: exit definition mode and return */
error_ret:
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_var",errmsg,exerrval);
}
return (EX_FATAL);
}
int ex_get_partial_var( int exoid,
int time_step,
ex_entity_type var_type,
int var_index,
ex_entity_id obj_id,
int64_t start_index,
int64_t num_entities,
void* var_vals )
{
int status = 0;
int varid, obj_id_ndx;
size_t start[2], count[2];
char errmsg[MAX_ERR_LENGTH];
if (num_entities == 0)
return status;
if (var_type == EX_NODAL) {
/* FIXME: Special case: ignore obj_id, possible large_file complications, etc. */
return ex_get_partial_nodal_var( exoid, time_step, var_index, start_index, num_entities, var_vals );
} else if (var_type == EX_GLOBAL) {
/* FIXME: Special case: all vars stored in 2-D single array. */
return ex_get_glob_vars( exoid, time_step, num_entities, var_vals );
}
exerrval = 0; /* clear error code */
/* Determine index of obj_id in VAR_ID_EL_BLK array */
obj_id_ndx = ex_id_lkup(exoid,var_type,obj_id);
if (exerrval != 0) {
if (exerrval == EX_NULLENTITY) {
sprintf(errmsg,
"Warning: no %s variables for NULL block %"PRId64" in file id %d",
ex_name_of_object(var_type), obj_id,exoid);
ex_err("ex_get_partial_var",errmsg,EX_NULLENTITY);
return (EX_WARN);
} else {
sprintf(errmsg,
"Error: failed to locate %s id %"PRId64" in id variable in file id %d",
ex_name_of_object(var_type), obj_id, exoid);
ex_err("ex_get_partial_var",errmsg,exerrval);
return (EX_FATAL);
}
}
/* inquire previously defined variable */
if((status = nc_inq_varid(exoid, ex_name_var_of_object(var_type,var_index,
obj_id_ndx), &varid)) != NC_NOERR) {
exerrval = status;
sprintf(errmsg,
"Error: failed to locate %s %"PRId64" var %d in file id %d",
ex_name_of_object(var_type),obj_id,var_index,exoid);
ex_err("ex_get_partial_var",errmsg,exerrval);
return (EX_FATAL);
}
/* read values of element variable */
start[0] = --time_step;
start[1] = start_index-1;
count[0] = 1;
count[1] = num_entities;
if (ex_comp_ws(exoid) == 4) {
status = nc_get_vara_float(exoid, varid, start, count, var_vals);
} else {
status = nc_get_vara_double(exoid, varid, start, count, var_vals);
}
if (status != NC_NOERR) {
exerrval = status;
sprintf(errmsg,
"Error: failed to get %s %"PRId64" variable %d in file id %d",
ex_name_of_object(var_type), obj_id, var_index,exoid);
ex_err("ex_get_partial_var",errmsg,exerrval);
return (EX_FATAL);
}
return (EX_NOERR);
}
int ex_get_var_time( int exoid,
ex_entity_type var_type,
int var_index,
int64_t id,
int beg_time_step,
int end_time_step,
void* var_vals )
{
int dimid, varid, numel = 0, offset;
int status;
int *stat_vals;
size_t num_obj, i;
size_t num_entries_this_obj = 0;
size_t start[2], count[2];
char errmsg[MAX_ERR_LENGTH];
const char* varobjids;
const char* varobstat;
switch (var_type) {
case EX_GLOBAL:
return ex_get_glob_var_time( exoid, var_index, beg_time_step, end_time_step, var_vals );
case EX_NODAL:
return ex_get_nodal_var_time( exoid, var_index, id, beg_time_step, end_time_step, var_vals );
case EX_EDGE_BLOCK:
varobjids = VAR_ID_ED_BLK;
varobstat = VAR_STAT_ED_BLK;
break;
case EX_FACE_BLOCK:
varobjids = VAR_ID_FA_BLK;
varobstat = VAR_STAT_FA_BLK;
break;
case EX_ELEM_BLOCK:
varobjids = VAR_ID_EL_BLK;
varobstat = VAR_STAT_EL_BLK;
break;
case EX_NODE_SET:
varobjids = VAR_NS_IDS;
varobstat = VAR_NS_STAT;
break;
case EX_EDGE_SET:
varobjids = VAR_ES_IDS;
varobstat = VAR_ES_STAT;
break;
case EX_FACE_SET:
varobjids = VAR_FS_IDS;
varobstat = VAR_FS_STAT;
break;
case EX_SIDE_SET:
varobjids = VAR_SS_IDS;
varobstat = VAR_SS_STAT;
break;
case EX_ELEM_SET:
varobjids = VAR_ELS_IDS;
varobstat = VAR_ELS_STAT;
break;
default:
exerrval = EX_BADPARAM;
sprintf( errmsg, "Error: Invalid variable type (%d) specified for file id %d", var_type, exoid );
ex_err( "ex_get_var_time", errmsg, exerrval );
return (EX_FATAL);
}
exerrval = 0; /* clear error code */
/* assume entry number is 1-based (the first entry of an object is 1, not 0);
* adjust so it is 0-based
*/
id--;
/* find what object the entry is in */
/* first, find out how many objects there are */
status = ex_get_dimension(exoid, ex_dim_num_objects(var_type), ex_name_of_object(var_type),
&num_obj, &dimid, "ex_get_var_time");
if (status != NC_NOERR) return status;
/* get the array of object ids */
/* don't think we need this anymore since the netcdf variable names
associated with objects don't contain the object ids */
if ((status = nc_inq_varid (exoid, varobjids, &varid )) != NC_NOERR) {
exerrval = status;
sprintf(errmsg,
"Error: failed to locate %s ids in file id %d",
ex_name_of_object(var_type),exoid);
ex_err("ex_get_var_time",errmsg,exerrval);
return (EX_FATAL);
}
/* allocate space for stat array */
if (!(stat_vals = malloc((int)num_obj*sizeof(int)))) {
exerrval = EX_MEMFAIL;
sprintf(errmsg,
"Error: failed to allocate memory for %s status array for file id %d",
ex_name_of_object(var_type),exoid);
ex_err("ex_get_var_time",errmsg,exerrval);
return (EX_FATAL);
}
/* get variable id of status array */
if (nc_inq_varid (exoid, varobstat, &varid) == NC_NOERR) {
/* if status array exists, use it, otherwise assume, object exists
to be backward compatible */
if ((status = nc_get_var_int(exoid, varid, stat_vals)) != NC_NOERR) {
exerrval = status;
free(stat_vals);
sprintf(errmsg,
"Error: failed to get %s status array from file id %d",
ex_name_of_object(var_type),exoid);
ex_err("ex_get_var_time",errmsg,exerrval);
return (EX_FATAL);
}
}
else { /* default: status is true */
for(i=0;i<num_obj;i++)
stat_vals[i]=1;
}
/* loop through each object until id is found; since entry
* numbers are sequential (beginning with 1) id is in obj_i
* when id_first_i <= id <= id_last_i, where
* id_first_i is the entry number of the first entry in
* obj_i and id_last_i is the entry number of the last
* entry in obj_i
*/
i = 0;
if (stat_vals[i] != 0) {
if ((status = nc_inq_dimid(exoid, ex_dim_num_entries_in_object(var_type,i+1), &dimid)) != NC_NOERR) {
exerrval = status;
sprintf(errmsg,
"Error: failed to locate number of entries in %"ST_ZU"th %s in file id %d",
i, ex_name_of_object(var_type), exoid);
ex_err("ex_get_var_time",errmsg,exerrval);
free(stat_vals);
return (EX_FATAL);
}
if ((status = nc_inq_dimlen(exoid, dimid, &num_entries_this_obj)) != NC_NOERR) {
exerrval = status;
sprintf(errmsg,
"Error: failed to get number of entries in %"ST_ZU"th %s in file id %d",
i, ex_name_of_object(var_type), exoid);
ex_err("ex_get_var_time",errmsg,exerrval);
free(stat_vals);
return (EX_FATAL);
}
} /* End NULL object check */
numel = num_entries_this_obj;
while (numel <= id) {
if (stat_vals[++i] != 0) {
if ((status = nc_inq_dimid(exoid,ex_dim_num_entries_in_object(var_type,i+1), &dimid)) != NC_NOERR) {
exerrval = status;
sprintf(errmsg,
"Error: failed to locate number of entries in %"ST_ZU"th %s in file id %d",
i, ex_name_of_object(var_type), exoid);
ex_err("ex_get_var_time",errmsg,exerrval);
free(stat_vals);
return (EX_FATAL);
}
if ((status = nc_inq_dimlen(exoid, dimid, &num_entries_this_obj)) != NC_NOERR) {
exerrval = status;
sprintf(errmsg,
"Error: failed to get number of entries in %"ST_ZU"th %s in file id %d",
i, ex_name_of_object(var_type), exoid);
ex_err("ex_get_var_time",errmsg,exerrval);
free(stat_vals);
return (EX_FATAL);
}
numel += num_entries_this_obj;
}
}
offset = id - (numel - num_entries_this_obj);
/* inquire previously defined variable */
if ((status = nc_inq_varid(exoid,ex_name_var_of_object(var_type,var_index,i+1), &varid)) != NC_NOERR) {
exerrval = status;
sprintf(errmsg,
"Error: failed to locate variable %"ST_ZU" for %dth %s in file id %d",
i, var_index,ex_name_of_object(var_type),exoid);
ex_err("ex_get_var_time",errmsg,exerrval);
free(stat_vals);
return (EX_FATAL);
}
free(stat_vals);
/* read values of object variable */
start[0] = --beg_time_step;
start[1] = offset;
if (end_time_step < 0) {
/* user is requesting the maximum time step; we find this out using the
* database inquire function to get the number of time steps; the ending
* time step number is 1 less due to 0 based array indexing in C
*/
end_time_step = ex_inquire_int (exoid, EX_INQ_TIME);
}
end_time_step--;
count[0] = end_time_step - beg_time_step + 1;
count[1] = 1;
if (ex_comp_ws(exoid) == 4) {
status = nc_get_vara_float(exoid, varid, start, count, var_vals);
} else {
status = nc_get_vara_double(exoid, varid, start, count, var_vals);
}
if (status != NC_NOERR) {
exerrval = status;
sprintf(errmsg,
"Error: failed to get %s variable values in file id %d",
ex_name_of_object(var_type),exoid);
ex_err("ex_get_var_time",errmsg,exerrval);
return (EX_FATAL);
}
return (EX_NOERR);
}
