/**
create the DS for uniform data.
*/
void NSDFWriter::createUniformMap()
{
// Create the container for all the DS
// TODO: make a common function like `mkdir -p` to avoid repeating this
htri_t exists;
herr_t status;
hid_t uniformMapContainer = require_group(filehandle_, MAPUNIFORMSRC);
// Create the DS themselves
for (map< string, vector < unsigned int > >::iterator ii = classFieldToSrcIndex_.begin();
ii != classFieldToSrcIndex_.end(); ++ii){
vector < string > pathTokens;
tokenize(ii->first, "/", pathTokens);
string className = pathTokens[0];
string fieldName = pathTokens[1];
hid_t container = require_group(uniformMapContainer, className);
char ** sources = (char **)calloc(ii->second.size(), sizeof(char*));
for (unsigned int jj = 0; jj < ii->second.size(); ++jj){
sources[jj] = (char*)calloc(src_[ii->second[jj]].path().length()+1, sizeof(char));
strcpy(sources[jj],src_[ii->second[jj]].path().c_str());
}
hid_t ds = createStringDataset(container, fieldName, (hsize_t)ii->second.size(), (hsize_t)ii->second.size());
hid_t memtype = H5Tcopy(H5T_C_S1);
status = H5Tset_size(memtype, H5T_VARIABLE);
assert(status >= 0);
status = H5Dwrite(ds, memtype, H5S_ALL, H5S_ALL, H5P_DEFAULT, sources);
#ifndef NDEBUG
cout << "Write dataset: status=" << status << endl;
#endif
assert(status >= 0);
for (unsigned int jj = 0; jj < ii->second.size(); ++jj){
free(sources[jj]);
}
free(sources);
status = H5DSset_scale(ds, "source");
status = H5DSattach_scale(classFieldToUniform_[ii->first], ds, 0);
status = H5DSset_label(classFieldToUniform_[ii->first], 0, "source");
status = H5Dclose(ds);
status = H5Tclose(memtype);
}
}
void H5Dataset::label(const unsigned int size, const unsigned int * dim, const char ** names) const
{
hsize_t dims[__SCILAB_HDF5_MAX_DIMS__];
unsigned int ndims;
hid_t space = H5Dget_space(dataset);
if (space < 0)
{
throw H5Exception(__LINE__, __FILE__, _("Cannot get the dataspace associated with dataset named %s."), name.c_str());
}
ndims = H5Sget_simple_extent_dims(space, (hsize_t *)dims, 0);
H5Sclose(space);
for (unsigned int i = 0; i < size; i++)
{
if (dim[i] > ndims)
{
throw H5Exception(__LINE__, __FILE__, _("Only %d dimensions."), ndims);
}
H5DSset_label(dataset, dim[i], names[i]);
}
}
int
main()
{
printf("\n*** Checking HDF5 dimension scales.\n");
#define GRP_NAME "simple_scales"
#define DIMSCALE_NAME "dimscale"
#define NAME_ATTRIBUTE "Billy-Bob"
#define VAR1_NAME "var1"
#define VAR2_NAME "var2"
#define VAR3_NAME "var3"
#define DIM1_LEN 3
#define DIM2_LEN 2
#define FIFTIES_SONG "Mamma said they'll be days like this. They'll be days like this, my mamma said."
printf("*** Creating simple dimension scales file...");
{
hid_t fileid, grpid, dimscaleid;
hid_t dimscale_spaceid, var1_spaceid, var3_spaceid;
hid_t var1_datasetid, var2_datasetid, var3_datasetid;
hsize_t dims[2] = {DIM1_LEN, DIM2_LEN};
hsize_t dimscale_dims[1] = {DIM1_LEN};
/* Open file and create group. */
if ((fileid = H5Fcreate(FILE_NAME, H5F_ACC_TRUNC, H5P_DEFAULT,
H5P_DEFAULT)) < 0) ERR;
if ((grpid = H5Gcreate(fileid, GRP_NAME, 0)) < 0) ERR;
/* Create our dimension scale. Use the built-in NAME attribute
* on the dimscale. */
if ((dimscale_spaceid = H5Screate_simple(1, dimscale_dims,
dimscale_dims)) < 0) ERR;
if ((dimscaleid = H5Dcreate(grpid, DIMSCALE_NAME, H5T_NATIVE_INT,
dimscale_spaceid, H5P_DEFAULT)) < 0) ERR;
if (H5DSset_scale(dimscaleid, NAME_ATTRIBUTE) < 0) ERR;
/* Create a 1D variable which uses the dimscale. Attach a label
* to this scale. */
if ((var1_spaceid = H5Screate_simple(1, dims, dims)) < 0) ERR;
if ((var1_datasetid = H5Dcreate(grpid, VAR1_NAME, H5T_NATIVE_INT,
var1_spaceid, H5P_DEFAULT)) < 0) ERR;
if (H5DSattach_scale(var1_datasetid, dimscaleid, 0) < 0) ERR;
if (H5DSset_label(var1_datasetid, 0, FIFTIES_SONG) < 0) ERR;
/* Create a 1D variabls that doesn't use the dimension scale. */
if ((var2_datasetid = H5Dcreate(grpid, VAR2_NAME, H5T_NATIVE_INT,
var1_spaceid, H5P_DEFAULT)) < 0) ERR;
/* Create a 2D dataset which uses the scale for one of its
* dimensions. */
if ((var3_spaceid = H5Screate_simple(2, dims, dims)) < 0) ERR;
if ((var3_datasetid = H5Dcreate(grpid, VAR3_NAME, H5T_NATIVE_INT,
var3_spaceid, H5P_DEFAULT)) < 0) ERR;
if (H5DSattach_scale(var3_datasetid, dimscaleid, 0) < 0) ERR;
/* Close up the shop. */
if (H5Dclose(dimscaleid) < 0 ||
H5Dclose(var1_datasetid) < 0 ||
H5Dclose(var2_datasetid) < 0 ||
H5Dclose(var3_datasetid) < 0 ||
H5Sclose(var1_spaceid) < 0 ||
H5Sclose(var3_spaceid) < 0 ||
H5Sclose(dimscale_spaceid) < 0 ||
H5Gclose(grpid) < 0 ||
H5Fclose(fileid) < 0) ERR;
/* HELP! If you are reading this in the future, and time
* machines have been invented, please come back to July 10,
* 2005, the Java Java coffee shop in Lafayette, 8:00 am MST +-
* 20 minutes. Bring back some advanced weapons systems to
* destroy the sound system here, which is playing 50's rock and
* roll. Do-op, do-op, la-ma la-ma, ding dong. Save me!!! (Mind
* you, James Brown is a different story!) */
}
SUMMARIZE_ERR;
printf("*** Checking that simple dimscale file can be read...");
{
hid_t fileid, grpid, datasetid = 0;
hsize_t num_obj, i;
int obj_class;
char obj_name[STR_LEN + 1];
htri_t is_scale;
int num_scales;
/* Reopen the file and group. */
if ((fileid = H5Fopen(FILE_NAME, H5F_ACC_RDWR, H5P_DEFAULT)) < 0) ERR;
if ((grpid = H5Gopen(fileid, GRP_NAME)) < 0) ERR;
/* Loop through datasets to find variables. */
if (H5Gget_num_objs(grpid, &num_obj) < 0) ERR;
for (i=0; i<num_obj; i++)
{
/* Get the type (i.e. group, dataset, etc.), and the name of the
* object. Confusingly, this is a different type than the type
* of a variable. This type might be better called "class" or
* "type of type" */
if ((obj_class = H5Gget_objtype_by_idx(grpid, i)) < 0) ERR;
if (H5Gget_objname_by_idx(grpid, i, obj_name, STR_LEN) < 0) ERR;
/*printf("\nEncountered: HDF5 object obj_class %d obj_name %s\n", obj_class, obj_name);*/
/* Deal with groups and datasets. */
switch(obj_class)
{
case H5G_GROUP:
break;
case H5G_DATASET:
/*Close the last datasetid, if one is open. */
if (datasetid > 0)
{
H5Dclose(datasetid);
}
if ((datasetid = H5Dopen(grpid, obj_name)) < 0) ERR;
if ((is_scale = H5DSis_scale(datasetid)) < 0) ERR;
if (is_scale && strcmp(obj_name, DIMSCALE_NAME)) ERR;
if (is_scale)
{
char nom_de_quincey[STR_LEN+1];
/* A dimscale comes with a NAME attribute, in
* addition to its real name. */
if (H5DSget_scale_name(datasetid, nom_de_quincey,
STR_LEN) < 0) ERR;
if (strcmp(nom_de_quincey, NAME_ATTRIBUTE)) ERR;
/*printf("found scale %s, NAME %s\n", obj_name, nom_de_quincey);*/
}
else
{
char label[STR_LEN+1];
/* Here's how to get the number of scales attached
* to the dataset. I would think that this would
* return 0 scales for a dataset that doesn't have
* scales, but instead it errors. So take an error
* to be the same as no dimension scales. */
num_scales = H5DSget_num_scales(datasetid, 0);
if (strcmp(obj_name, VAR1_NAME) == 0 && num_scales != 1) ERR;
if (strcmp(obj_name, VAR2_NAME) == 0 && num_scales > 0) ERR;
if (strcmp(obj_name, VAR3_NAME) == 0 && num_scales != 1) ERR;
/* There's also a label for dimension 0 of var1. */
if (strcmp(obj_name, VAR1_NAME) == 0)
{
if (H5DSget_label(datasetid, 0, label, STR_LEN) < 0) ERR;
if (strcmp(label, FIFTIES_SONG)) ERR;
}
}
break;
case H5G_TYPE:
break;
case H5G_LINK:
break;
default:
printf("Unknown object class %d!", obj_class);
}
}
/* Close up the shop. */
if (H5Dclose(datasetid) < 0 ||
H5Gclose(grpid) < 0 ||
H5Fclose(fileid) < 0) ERR;
}
SUMMARIZE_ERR;
printf("*** Creating simple dimension scales file with lots of datasets...");
#define NUM_DATASETS 500
{
hid_t fileid, grpid, dimscaleid;
hid_t dimscale_spaceid, var1_spaceid;
hid_t var1_datasetid[NUM_DATASETS];
hsize_t dims[2] = {DIM1_LEN, DIM2_LEN};
hsize_t dimscale_dims[1] = {DIM1_LEN};
char var_name[STR_LEN + 1];
int v;
/* Open file and create group. */
if ((fileid = H5Fcreate(FILE_NAME, H5F_ACC_TRUNC, H5P_DEFAULT,
H5P_DEFAULT)) < 0) ERR;
if ((grpid = H5Gcreate(fileid, GRP_NAME, 0)) < 0) ERR;
/* Create our dimension scale. Use the built-in NAME attribute
* on the dimscale. */
if ((dimscale_spaceid = H5Screate_simple(1, dimscale_dims,
dimscale_dims)) < 0) ERR;
if ((dimscaleid = H5Dcreate(grpid, DIMSCALE_NAME, H5T_NATIVE_INT,
dimscale_spaceid, H5P_DEFAULT)) < 0) ERR;
if (H5DSset_scale(dimscaleid, NAME_ATTRIBUTE) < 0) ERR;
/* Create many 1D datasets which use the dimscale. */
if ((var1_spaceid = H5Screate_simple(1, dims, dims)) < 0) ERR;
for (v = 0; v < NUM_DATASETS; v++)
{
sprintf(var_name, "var_%d", v);
if ((var1_datasetid[v] = H5Dcreate(grpid, var_name, H5T_NATIVE_INT,
var1_spaceid, H5P_DEFAULT)) < 0) ERR;
if (H5DSattach_scale(var1_datasetid[v], dimscaleid, 0) < 0) ERR;
}
/* Close up the shop. */
for (v = 0; v < NUM_DATASETS; v++)
if (H5Dclose(var1_datasetid[v]) < 0) ERR;
if (H5Dclose(dimscaleid) < 0 ||
H5Sclose(var1_spaceid) < 0 ||
H5Sclose(dimscale_spaceid) < 0 ||
H5Gclose(grpid) < 0 ||
H5Fclose(fileid) < 0) ERR;
}
SUMMARIZE_ERR;
printf("*** Creating a file with an unlimited dimension scale...");
{
hid_t fileid, grpid, spaceid, datasetid, dimscaleid, cparmsid;
hsize_t dims[1] = {1}, maxdims[1] = {H5S_UNLIMITED};
/* Create file and group. */
if ((fileid = H5Fcreate(FILE_NAME, H5F_ACC_TRUNC, H5P_DEFAULT,
H5P_DEFAULT)) < 0) ERR;
if ((grpid = H5Gcreate(fileid, GRP_NAME, 0)) < 0) ERR;
if ((spaceid = H5Screate_simple(1, dims, maxdims)) < 0) ERR;
/* Modify dataset creation properties, i.e. enable chunking */
if ((cparmsid = H5Pcreate(H5P_DATASET_CREATE)) < 0) ERR;
if (H5Pset_chunk(cparmsid, 1, dims) < 0) ERR;
/* Create our dimension scale, as an unlimited dataset. */
if ((dimscaleid = H5Dcreate(grpid, DIMSCALE_NAME, H5T_NATIVE_INT,
spaceid, cparmsid)) < 0) ERR;
if (H5DSset_scale(dimscaleid, NAME_ATTRIBUTE) < 0) ERR;
/* Create a variable which uses it. */
if ((datasetid = H5Dcreate(grpid, VAR1_NAME, H5T_NATIVE_INT,
spaceid, cparmsid)) < 0) ERR;
if (H5DSattach_scale(datasetid, dimscaleid, 0) < 0) ERR;
if (H5DSset_label(datasetid, 0, "dimension label") < 0) ERR;
/* Close up the shop. */
if (H5Dclose(dimscaleid) < 0 ||
H5Dclose(datasetid) < 0 ||
H5Sclose(spaceid) < 0 ||
H5Gclose(grpid) < 0 ||
H5Fclose(fileid) < 0) ERR;
}
SUMMARIZE_ERR;
#ifdef EXTRA_TESTS
printf("*** Checking that unlimited dimscale file can be read...");
{
hid_t fileid, grpid, spaceid = 0, datasetid = 0;
hsize_t num_obj, i;
int obj_class;
char obj_name[STR_LEN + 1];
htri_t is_scale;
int num_scales;
hsize_t dims[1], maxdims[1];
/* Reopen the file and group. */
if ((fileid = H5Fopen(FILE_NAME, H5F_ACC_RDWR, H5P_DEFAULT)) < 0) ERR;
if ((grpid = H5Gopen(fileid, GRP_NAME)) < 0) ERR;
/* Loop through datasets to find variables. */
if (H5Gget_num_objs(grpid, &num_obj) < 0) ERR;
for (i=0; i<num_obj; i++)
{
/* Get the type (i.e. group, dataset, etc.), and the name of
* the object. */
if ((obj_class = H5Gget_objtype_by_idx(grpid, i)) < 0) ERR;
if (H5Gget_objname_by_idx(grpid, i, obj_name, STR_LEN) < 0) ERR;
/*printf("\nEncountered: HDF5 object obj_class %d obj_name %s\n", obj_class, obj_name);*/
/* Deal with groups and datasets. */
switch(obj_class)
{
case H5G_GROUP:
break;
case H5G_DATASET:
/*Close the last datasetid, if one is open. */
if (datasetid > 0)
{
H5Dclose(datasetid);
datasetid = 0;
}
/* Open the dataset. */
if ((datasetid = H5Dopen(grpid, obj_name)) < 0) ERR;
/* This should be an unlimited dataset. */
if ((spaceid = H5Dget_space(datasetid)) < 0) ERR;
if (H5Sget_simple_extent_dims(spaceid, dims, maxdims) < 0) ERR;
if (maxdims[0] != H5S_UNLIMITED) ERR;
/* Is this a dimscale? */
if ((is_scale = H5DSis_scale(datasetid)) < 0) ERR;
if (is_scale && strcmp(obj_name, DIMSCALE_NAME)) ERR;
if (is_scale)
{
char nom_de_quincey[STR_LEN+1];
/* A dimscale comes with a NAME attribute, in
* addition to its real name. */
if (H5DSget_scale_name(datasetid, nom_de_quincey, STR_LEN) < 0) ERR;
/*printf("found scale %s, NAME %s\n", obj_name, nom_de_quincey);*/
}
else
{
char label[STR_LEN+1];
int visitor_data = 0;
/* Here's how to get the number of scales attached
* to the dataset's dimension 0. */
if ((num_scales = H5DSget_num_scales(datasetid, 0)) < 0) ERR;
if (num_scales != 1) ERR;
/* Go through all dimscales for this var and learn about them. */
if (H5DSiterate_scales(datasetid, 0, NULL, alien_visitor,
&visitor_data) < 0) ERR;
/* There's also a label for dimension 0. */
if (H5DSget_label(datasetid, 0, label, STR_LEN) < 0) ERR;
/*printf("found non-scale dataset %s, label %s\n", obj_name, label);*/
}
break;
case H5G_TYPE:
break;
case H5G_LINK:
break;
default:
printf("Unknown object class %d!", obj_class);
}
}
/* Close up the shop. */
if (H5Dclose(datasetid) < 0 ||
H5Sclose(spaceid) < 0 ||
H5Gclose(grpid) < 0 ||
H5Fclose(fileid) < 0) ERR;
}
SUMMARIZE_ERR;
printf("*** Creating some 3D datasets using shared dimscales...");
{
#define NDIMS 3
#define TIME_DIM 0
#define LAT_DIM 1
#define LON_DIM 2
#define LAT_LEN 2
#define LON_LEN 3
#define LAT_NAME "Lat"
#define LON_NAME "Lon"
#define TIME_NAME "Time"
#define PRES_NAME "Pressure"
#define TEMP_NAME "Temperature"
hid_t fileid, grpid, lat_spaceid, lon_spaceid, time_spaceid, spaceid;
hid_t lat_scaleid, lon_scaleid, time_scaleid;
hid_t pres_dsid, temp_dsid, cparmsid;
hsize_t dims[NDIMS], max_dims[NDIMS];
/* Create file and group. */
if ((fileid = H5Fcreate(FILE_NAME, H5F_ACC_TRUNC, H5P_DEFAULT,
H5P_DEFAULT)) < 0) ERR;
if ((grpid = H5Gcreate(fileid, GRP_NAME, 0)) < 0) ERR;
/* Create 3 1D spaces for the 3 dimension scale datasets. Time
* starts out as size 0. It's an unlimited dimension scale. */
dims[0] = 0;
max_dims[0] = H5S_UNLIMITED;
if ((time_spaceid = H5Screate_simple(1, dims, max_dims)) < 0) ERR;
dims[0] = LAT_LEN;
max_dims[0] = LAT_LEN;
if ((lat_spaceid = H5Screate_simple(1, dims, max_dims)) < 0) ERR;
dims[0] = LON_LEN;
max_dims[0] = LON_LEN;
if ((lon_spaceid = H5Screate_simple(1, dims, max_dims)) < 0) ERR;
/* Enable chunking for unlimited time scale. */
if ((cparmsid = H5Pcreate(H5P_DATASET_CREATE)) < 0) ERR;
dims[TIME_DIM] = 1;
if (H5Pset_chunk(cparmsid, 1, dims) < 0) ERR;
/* Create our dimension scales. */
if ((time_scaleid = H5Dcreate(grpid, TIME_NAME, H5T_NATIVE_INT,
time_spaceid, cparmsid)) < 0) ERR;
if (H5DSset_scale(time_scaleid, TIME_NAME) < 0) ERR;
if ((lat_scaleid = H5Dcreate(grpid, LAT_NAME, H5T_NATIVE_FLOAT,
lat_spaceid, H5P_DEFAULT)) < 0) ERR;
if (H5DSset_scale(lat_scaleid, LAT_NAME) < 0) ERR;
if ((lon_scaleid = H5Dcreate(grpid, LON_NAME, H5T_NATIVE_FLOAT,
lon_spaceid, H5P_DEFAULT)) < 0) ERR;
if (H5DSset_scale(lon_scaleid, LON_NAME) < 0) ERR;
/* Create a space coresponding to these three dimensions. */
dims[TIME_DIM] = 0;
dims[LAT_DIM] = LAT_LEN;
dims[LON_DIM] = LON_LEN;
max_dims[TIME_DIM] = H5S_UNLIMITED;
max_dims[LAT_DIM] = LAT_LEN;
max_dims[LON_DIM] = LON_LEN;
if ((spaceid = H5Screate_simple(NDIMS, dims, max_dims)) < 0) ERR;
/* Create two variables which use them, and attach the dimension scales. */
dims[TIME_DIM] = 1;
if (H5Pset_chunk(cparmsid, NDIMS, dims) < 0) ERR;
if ((pres_dsid = H5Dcreate(grpid, PRES_NAME, H5T_NATIVE_FLOAT,
spaceid, cparmsid)) < 0) ERR;
if (H5DSattach_scale(pres_dsid, time_scaleid, 0) < 0) ERR;
if (H5DSattach_scale(pres_dsid, lat_scaleid, 1) < 0) ERR;
if (H5DSattach_scale(pres_dsid, lon_scaleid, 2) < 0) ERR;
if (H5DSset_label(pres_dsid, TIME_DIM, TIME_NAME) < 0) ERR;
if (H5DSset_label(pres_dsid, LAT_DIM, LAT_NAME) < 0) ERR;
if (H5DSset_label(pres_dsid, LON_DIM, LON_NAME) < 0) ERR;
if ((temp_dsid = H5Dcreate(grpid, TEMP_NAME, H5T_NATIVE_FLOAT,
spaceid, cparmsid)) < 0) ERR;
if (H5DSattach_scale(temp_dsid, time_scaleid, 0) < 0) ERR;
if (H5DSattach_scale(temp_dsid, lat_scaleid, 1) < 0) ERR;
if (H5DSattach_scale(temp_dsid, lon_scaleid, 2) < 0) ERR;
if (H5DSset_label(temp_dsid, TIME_DIM, TIME_NAME) < 0) ERR;
if (H5DSset_label(temp_dsid, LAT_DIM, LAT_NAME) < 0) ERR;
if (H5DSset_label(temp_dsid, LON_DIM, LON_NAME) < 0) ERR;
/* Close up the shop. */
if (H5Dclose(pres_dsid) < 0 ||
H5Dclose(temp_dsid) < 0 ||
H5Dclose(lat_scaleid) < 0 ||
H5Dclose(lon_scaleid) < 0 ||
H5Dclose(time_scaleid) < 0 ||
H5Sclose(spaceid) < 0 ||
H5Gclose(grpid) < 0 ||
H5Fclose(fileid) < 0) ERR;
}
SUMMARIZE_ERR;
printf("*** Checking 3D datasets created with shared dimscales...");
{
hid_t fileid, grpid, spaceid = 0, datasetid = 0;
hsize_t num_obj, i;
int obj_class;
char obj_name[STR_LEN + 1];
htri_t is_scale;
int num_scales;
hsize_t dims[NDIMS], max_dims[NDIMS];
int d;
/* Reopen the file and group. */
if ((fileid = H5Fopen(FILE_NAME, H5F_ACC_RDWR, H5P_DEFAULT)) < 0) ERR;
if ((grpid = H5Gopen(fileid, GRP_NAME)) < 0) ERR;
/* Loop through datasets to find variables. */
if (H5Gget_num_objs(grpid, &num_obj) < 0) ERR;
for (i=0; i<num_obj; i++)
{
/* Get the type (i.e. group, dataset, etc.), and the name of
* the object. */
if ((obj_class = H5Gget_objtype_by_idx(grpid, i)) < 0) ERR;
if (H5Gget_objname_by_idx(grpid, i, obj_name, STR_LEN) < 0) ERR;
/*printf("\nEncountered: HDF5 object obj_class %d obj_name %s\n", obj_class, obj_name);*/
/* Deal with groups and datasets. */
switch(obj_class)
{
case H5G_GROUP:
break;
case H5G_DATASET:
/* Open the dataset. */
if ((datasetid = H5Dopen(grpid, obj_name)) < 0) ERR;
/*printf("\nobj_name %s\n", obj_name);*/
/* Get the dimensions of this dataset. */
if ((spaceid = H5Dget_space(datasetid)) < 0) ERR;
if (H5Sget_simple_extent_dims(spaceid, dims, max_dims) < 0) ERR;
/* Is this a dimscale? */
if ((is_scale = H5DSis_scale(datasetid)) < 0) ERR;
if (is_scale)
{
char nom_de_quincey[STR_LEN+1];
/* A dimscale comes with a NAME attribute, in
* addition to its real name. */
if (H5DSget_scale_name(datasetid, nom_de_quincey,
STR_LEN) < 0) ERR;
/*printf("found scale %s, NAME %s id 0x%x\n", obj_name,
nom_de_quincey, datasetid);*/
/* Check size depending on name. */
if ((!strcmp(obj_name, LAT_NAME) && dims[TIME_DIM] != LAT_LEN) ||
(!strcmp(obj_name, LON_NAME) && dims[TIME_DIM] != LON_LEN) ||
(!strcmp(obj_name, TIME_NAME) &&
max_dims[TIME_DIM] != H5S_UNLIMITED)) ERR;
}
else
{
char label[STR_LEN+1];
int visitor_data = 0;
/* SHould have these dimensions... */
if (dims[TIME_DIM] != 0 || dims[LAT_DIM] != LAT_LEN ||
dims[LON_DIM] != LON_LEN) ERR;
if (max_dims[TIME_DIM] != H5S_UNLIMITED) ERR;
/* Here's how to get the number of scales attached
* to the dataset's dimension 0. */
if ((num_scales = H5DSget_num_scales(datasetid, 0)) < 0) ERR;
if (num_scales != 1) ERR;
/* Go through all dimscales for this var and learn
* about them. What I want is the dataset id of each
* dimscale. Then... */
for (d = 0; d < NDIMS; d++)
if (H5DSiterate_scales(datasetid, d, NULL, alien_visitor,
&visitor_data) < 0) ERR;
/*printf("visitor_data: 0x%x\n", visitor_data);*/
/* There's also a label for each dimension. */
if (H5DSget_label(datasetid, 0, label, STR_LEN) < 0) ERR;
if (strcmp(label, TIME_NAME)) ERR;
if (H5DSget_label(datasetid, 1, label, STR_LEN) < 0) ERR;
if (strcmp(label, LAT_NAME)) ERR;
if (H5DSget_label(datasetid, 2, label, STR_LEN) < 0) ERR;
if (strcmp(label, LON_NAME)) ERR;
}
if (H5Dclose(datasetid) < 0) ERR;
break;
case H5G_TYPE:
break;
case H5G_LINK:
break;
default:
printf("Unknown object class %d!", obj_class);
}
}
/* Close up the shop. */
if (H5Sclose(spaceid) < 0 ||
H5Gclose(grpid) < 0 ||
H5Fclose(fileid) < 0) ERR;
}
SUMMARIZE_ERR;
printf("*** Creating 3D datasets using shared dimscales in groups...");
{
#define FATHER "Adam"
#define GOOD_CHILD "Able"
#define BAD_CHILD "Cain"
#define DISTANCE_LEN 3
#define SMELLINESS_NAME "Smelliness"
#define DISTANCE_NAME "Distance"
#define TIME_NAME "Time"
#define TIME_DIM 0
#define SMELLINESS_DIM 1
#define DISTANCE_DIM 2
#define GOAT_NAME "Billy_goat_gruff"
#define CAMEL_NAME "Grumpy_the_camel"
hid_t fileid, smelliness_spaceid, distance_spaceid, time_spaceid, spaceid;
hid_t adam_grpid, able_grpid, cain_grpid;
hid_t time_scaleid, smelliness_scaleid, distance_scaleid;
hid_t goat_dsid, camel_dsid, cparmsid;
hsize_t dims[NDIMS], max_dims[NDIMS];
/* Create file and group. */
if ((fileid = H5Fcreate(FILE_NAME, H5F_ACC_TRUNC, H5P_DEFAULT,
H5P_DEFAULT)) < 0) ERR;
if ((adam_grpid = H5Gcreate(fileid, FATHER, 0)) < 0) ERR;
if ((able_grpid = H5Gcreate(adam_grpid, GOOD_CHILD, 0)) < 0) ERR;
if ((cain_grpid = H5Gcreate(adam_grpid, BAD_CHILD, 0)) < 0) ERR;
/* Create 3 1D spaces for the 3 dimension scale datasets. Time
* and smelliness starts out as 0. They are unlimited dimension
* scales. */
dims[0] = 0;
max_dims[0] = H5S_UNLIMITED;
if ((time_spaceid = H5Screate_simple(1, dims, max_dims)) < 0) ERR;
dims[0] = 0;
max_dims[0] = H5S_UNLIMITED;
if ((smelliness_spaceid = H5Screate_simple(1, dims, max_dims)) < 0) ERR;
dims[0] = DISTANCE_LEN;
max_dims[0] = DISTANCE_LEN;
if ((distance_spaceid = H5Screate_simple(1, dims, max_dims)) < 0) ERR;
/* Enable chunking for unlimited time and smelliness scale. */
if ((cparmsid = H5Pcreate(H5P_DATASET_CREATE)) < 0) ERR;
dims[0] = 1;
if (H5Pset_chunk(cparmsid, 1, dims) < 0) ERR;
/* Create our dimension scales. */
if ((time_scaleid = H5Dcreate(adam_grpid, TIME_NAME, H5T_NATIVE_INT,
time_spaceid, cparmsid)) < 0) ERR;
if (H5DSset_scale(time_scaleid, TIME_NAME) < 0) ERR;
if ((smelliness_scaleid = H5Dcreate(adam_grpid, SMELLINESS_NAME, H5T_NATIVE_FLOAT,
smelliness_spaceid, cparmsid)) < 0) ERR;
if (H5DSset_scale(smelliness_scaleid, SMELLINESS_NAME) < 0) ERR;
if ((distance_scaleid = H5Dcreate(adam_grpid, DISTANCE_NAME, H5T_NATIVE_FLOAT,
distance_spaceid, H5P_DEFAULT)) < 0) ERR;
if (H5DSset_scale(distance_scaleid, DISTANCE_NAME) < 0) ERR;
/* Create a space coresponding to these three dimensions. */
dims[TIME_DIM] = 0;
dims[SMELLINESS_DIM] = 0;
dims[DISTANCE_DIM] = DISTANCE_LEN;
max_dims[TIME_DIM] = H5S_UNLIMITED;
max_dims[SMELLINESS_DIM] = H5S_UNLIMITED;
max_dims[DISTANCE_DIM] = DISTANCE_LEN;
if ((spaceid = H5Screate_simple(NDIMS, dims, max_dims)) < 0) ERR;
/* Set up chunking for our 3D vars. */
dims[TIME_DIM] = 1;
dims[SMELLINESS_DIM] = 1;
if (H5Pset_chunk(cparmsid, NDIMS, dims) < 0) ERR;
/* Create two variables which use them, and attach the dimension scales. */
if ((goat_dsid = H5Dcreate(able_grpid, GOAT_NAME, H5T_NATIVE_FLOAT,
spaceid, cparmsid)) < 0) ERR;
if (H5DSattach_scale(goat_dsid, time_scaleid, 0) < 0) ERR;
if (H5DSattach_scale(goat_dsid, smelliness_scaleid, 1) < 0) ERR;
if (H5DSattach_scale(goat_dsid, distance_scaleid, 2) < 0) ERR;
if ((camel_dsid = H5Dcreate(cain_grpid, CAMEL_NAME, H5T_NATIVE_FLOAT,
spaceid, cparmsid)) < 0) ERR;
if (H5DSattach_scale(camel_dsid, time_scaleid, 0) < 0) ERR;
if (H5DSattach_scale(camel_dsid, smelliness_scaleid, 1) < 0) ERR;
if (H5DSattach_scale(camel_dsid, distance_scaleid, 2) < 0) ERR;
/* Close up the shop. */
if (H5Dclose(goat_dsid) < 0 ||
H5Dclose(camel_dsid) < 0 ||
H5Dclose(smelliness_scaleid) < 0 ||
H5Dclose(distance_scaleid) < 0 ||
H5Dclose(time_scaleid) < 0 ||
H5Sclose(spaceid) < 0 ||
H5Gclose(cain_grpid) < 0 ||
H5Gclose(able_grpid) < 0 ||
H5Gclose(adam_grpid) < 0 ||
H5Fclose(fileid) < 0) ERR;
}
SUMMARIZE_ERR;
printf("*** Checking 3D datasets in groups created with shared dimscales...");
{
hid_t fileid, grpid;
/* Reopen the file and group. */
if ((fileid = H5Fopen(FILE_NAME, H5F_ACC_RDWR, H5P_DEFAULT)) < 0) ERR;
if ((grpid = H5Gopen(fileid, FATHER)) < 0) ERR;
/* If we can't scan the group, crash into a flaming heap of
* smoking, smoldering rubbish. */
if (rec_scan_group(grpid)) ERR;
/* Close up the shop. */
if (H5Gclose(grpid) < 0 ||
H5Fclose(fileid) < 0) ERR;
}
SUMMARIZE_ERR;
#endif
FINAL_RESULTS;
}
int
main()
{
printf("\n*** Checking HDF5 dimscales some more.\n");
printf("*** Creating a file with one var with one dimension scale...");
{
hid_t fileid, spaceid, datasetid, dimscaleid, cparmsid;
hsize_t dims[NDIMS] = {DIM1_LEN}, maxdims[NDIMS] = {H5S_UNLIMITED};
/* Create file. */
if ((fileid = H5Fcreate(FILE_NAME, H5F_ACC_TRUNC, H5P_DEFAULT,
H5P_DEFAULT)) < 0) ERR;
/* Create the space that will be used both for the dimscale and
* the 1D dataset that will attach it. */
if ((spaceid = H5Screate_simple(NDIMS, dims, maxdims)) < 0) ERR;
/* Modify dataset creation properties, i.e. enable chunking. */
dims[0] = 1;
if ((cparmsid = H5Pcreate(H5P_DATASET_CREATE)) < 0) ERR;
if (H5Pset_chunk(cparmsid, NDIMS, dims) < 0) ERR;
/* Create our dimension scale, as an unlimited dataset. */
if ((dimscaleid = H5Dcreate(fileid, DIMSCALE_NAME, H5T_NATIVE_INT,
spaceid, cparmsid)) < 0) ERR;
if (H5DSset_scale(dimscaleid, NAME_ATTRIBUTE) < 0) ERR;
/* Create a variable which uses it. */
if ((datasetid = H5Dcreate(fileid, VAR1_NAME, H5T_NATIVE_INT,
spaceid, cparmsid)) < 0) ERR;
if (H5DSattach_scale(datasetid, dimscaleid, 0) < 0) ERR;
if (H5DSset_label(datasetid, 0, DIMSCALE_LABEL) < 0) ERR;
/* Fold up our tents. */
if (H5Dclose(dimscaleid) < 0 ||
H5Dclose(datasetid) < 0 ||
H5Sclose(spaceid) < 0 ||
H5Fclose(fileid) < 0) ERR;
}
SUMMARIZE_ERR;
printf("*** Checking that one var, one dimscale file can be read...");
{
hid_t fileid, spaceid = 0, datasetid = 0;
hsize_t num_obj, i;
int obj_class;
char obj_name[NC_MAX_NAME + 1];
char dimscale_name[NC_MAX_NAME+1];
htri_t is_scale;
char label[NC_MAX_NAME+1];
int num_scales;
hsize_t dims[1], maxdims[1];
H5G_stat_t statbuf;
HDF5_OBJID_T dimscale_obj, vars_dimscale_obj;
/* Open the file. */
if ((fileid = H5Fopen(FILE_NAME, H5F_ACC_RDWR, H5P_DEFAULT)) < 0) ERR;
/* Loop through objects in the root group. */
if (H5Gget_num_objs(fileid, &num_obj) < 0) ERR;
for (i=0; i<num_obj; i++)
{
/* Get the type (i.e. group, dataset, etc.), and the name of
* the object. */
if ((obj_class = H5Gget_objtype_by_idx(fileid, i)) < 0) ERR;
if (H5Gget_objname_by_idx(fileid, i, obj_name, NC_MAX_NAME) < 0) ERR;
/*printf("\nEncountered: HDF5 object obj_class %d obj_name %s\n",
obj_class, obj_name);*/
/* Deal with object based on its obj_class. */
switch(obj_class)
{
case H5G_GROUP:
break;
case H5G_DATASET:
/* Open the dataset. */
if ((datasetid = H5Dopen1(fileid, obj_name)) < 0) ERR;
/* This should be an unlimited dataset. */
if ((spaceid = H5Dget_space(datasetid)) < 0) ERR;
if (H5Sget_simple_extent_dims(spaceid, dims, maxdims) < 0) ERR;
if (maxdims[0] != H5S_UNLIMITED) ERR;
/* Is this a dimscale? */
if ((is_scale = H5DSis_scale(datasetid)) < 0) ERR;
if (is_scale && strcmp(obj_name, DIMSCALE_NAME)) ERR;
if (is_scale)
{
/* A dimscale comes with a NAME attribute, in
* addition to its real name. */
if (H5DSget_scale_name(datasetid, dimscale_name, NC_MAX_NAME) < 0) ERR;
if (strcmp(dimscale_name, NAME_ATTRIBUTE)) ERR;
/* fileno and objno uniquely identify an object and a
* HDF5 file. */
if (H5Gget_objinfo(datasetid, ".", 1, &statbuf) < 0) ERR;
dimscale_obj.fileno[0] = statbuf.fileno[0];
dimscale_obj.objno[0] = statbuf.objno[0];
dimscale_obj.fileno[1] = statbuf.fileno[1];
dimscale_obj.objno[1] = statbuf.objno[1];
/*printf("statbuf.fileno = %d statbuf.objno = %d\n",
statbuf.fileno, statbuf.objno);*/
}
else
{
/* Here's how to get the number of scales attached
* to the dataset's dimension 0. */
if ((num_scales = H5DSget_num_scales(datasetid, 0)) < 0) ERR;
if (num_scales != 1) ERR;
/* Go through all dimscales for this var and learn about them. */
if (H5DSiterate_scales(datasetid, 0, NULL, alien_visitor,
&vars_dimscale_obj) < 0) ERR;
/*printf("vars_dimscale_obj.fileno = %d vars_dimscale_obj.objno = %d\n",
vars_dimscale_obj.fileno, vars_dimscale_obj.objno);*/
if (vars_dimscale_obj.fileno[0] != dimscale_obj.fileno[0] ||
vars_dimscale_obj.objno[0] != dimscale_obj.objno[0] ||
vars_dimscale_obj.fileno[1] != dimscale_obj.fileno[1] ||
vars_dimscale_obj.objno[1] != dimscale_obj.objno[1]) ERR;
/* There's also a label for dimension 0. */
if (H5DSget_label(datasetid, 0, label, NC_MAX_NAME) < 0) ERR;
/*printf("found non-scale dataset %s, label %s\n", obj_name, label);*/
}
if (H5Dclose(datasetid) < 0) ERR;
break;
case H5G_TYPE:
break;
case H5G_LINK:
break;
default:
printf("Unknown object class %d!", obj_class);
}
}
/* Close up the shop. */
if (H5Sclose(spaceid) < 0 ||
H5Fclose(fileid) < 0) ERR;
}
SUMMARIZE_ERR;
printf("*** Creating a file with one var with two dimension scales...");
{
#define LAT_LEN 3
#define LON_LEN 2
#define DIMS_2 2
#define LAT_NAME "lat"
#define LON_NAME "lon"
#define PRES_NAME "pres"
hid_t fileid, lat_spaceid, lon_spaceid, pres_spaceid;
hid_t pres_datasetid, lat_dimscaleid, lon_dimscaleid;
hsize_t dims[DIMS_2];
/* Create file. */
if ((fileid = H5Fcreate(FILE_NAME, H5F_ACC_TRUNC, H5P_DEFAULT,
H5P_DEFAULT)) < 0) ERR;
/* Create the spaces that will be used for the dimscales. */
dims[0] = LAT_LEN;
if ((lat_spaceid = H5Screate_simple(1, dims, dims)) < 0) ERR;
dims[0] = LON_LEN;
if ((lon_spaceid = H5Screate_simple(1, dims, dims)) < 0) ERR;
/* Create the space for the dataset. */
dims[0] = LAT_LEN;
dims[1] = LON_LEN;
if ((pres_spaceid = H5Screate_simple(DIMS_2, dims, dims)) < 0) ERR;
/* Create our dimension scales. */
if ((lat_dimscaleid = H5Dcreate(fileid, LAT_NAME, H5T_NATIVE_INT,
lat_spaceid, H5P_DEFAULT)) < 0) ERR;
if (H5DSset_scale(lat_dimscaleid, NULL) < 0) ERR;
if ((lon_dimscaleid = H5Dcreate(fileid, LON_NAME, H5T_NATIVE_INT,
lon_spaceid, H5P_DEFAULT)) < 0) ERR;
if (H5DSset_scale(lon_dimscaleid, NULL) < 0) ERR;
/* Create a variable which uses these two dimscales. */
if ((pres_datasetid = H5Dcreate(fileid, PRES_NAME, H5T_NATIVE_FLOAT,
pres_spaceid, H5P_DEFAULT)) < 0) ERR;
if (H5DSattach_scale(pres_datasetid, lat_dimscaleid, 0) < 0) ERR;
if (H5DSattach_scale(pres_datasetid, lon_dimscaleid, 1) < 0) ERR;
/* Fold up our tents. */
if (H5Dclose(lat_dimscaleid) < 0 ||
H5Dclose(lon_dimscaleid) < 0 ||
H5Dclose(pres_datasetid) < 0 ||
H5Sclose(lat_spaceid) < 0 ||
H5Sclose(lon_spaceid) < 0 ||
H5Sclose(pres_spaceid) < 0 ||
H5Fclose(fileid) < 0) ERR;
}
SUMMARIZE_ERR;
printf("*** Checking that one var, two dimscales file can be read...");
{
#define NDIMS2 2
hid_t fileid, spaceid = 0, datasetid = 0;
hsize_t num_obj, i;
int obj_class;
char obj_name[NC_MAX_NAME + 1];
htri_t is_scale;
int num_scales;
hsize_t dims[NDIMS2], maxdims[NDIMS2];
H5G_stat_t statbuf;
HDF5_OBJID_T dimscale_obj[2], vars_dimscale_obj[2];
int dimscale_cnt = 0;
int d, ndims;
/* Open the file. */
if ((fileid = H5Fopen(FILE_NAME, H5F_ACC_RDWR, H5P_DEFAULT)) < 0) ERR;
/* Loop through objects in the root group. */
if (H5Gget_num_objs(fileid, &num_obj) < 0) ERR;
for (i=0; i<num_obj; i++)
{
/* Get the type (i.e. group, dataset, etc.), and the name of
* the object. */
if ((obj_class = H5Gget_objtype_by_idx(fileid, i)) < 0) ERR;
if (H5Gget_objname_by_idx(fileid, i, obj_name, NC_MAX_NAME) < 0) ERR;
/* printf("\nEncountered: HDF5 object obj_class %d obj_name %s\n", */
/* obj_class, obj_name); */
/* Deal with object based on its obj_class. */
switch(obj_class)
{
case H5G_GROUP:
break;
case H5G_DATASET:
/* Open the dataset. */
if ((datasetid = H5Dopen1(fileid, obj_name)) < 0) ERR;
/* Get space info. */
if ((spaceid = H5Dget_space(datasetid)) < 0) ERR;
if (H5Sget_simple_extent_dims(spaceid, dims, maxdims) < 0) ERR;
if ((ndims = H5Sget_simple_extent_ndims(spaceid)) < 0) ERR;
if (ndims > NDIMS2) ERR;
/* Is this a dimscale? */
if ((is_scale = H5DSis_scale(datasetid)) < 0) ERR;
if (is_scale)
{
/* fileno and objno uniquely identify an object and a
* HDF5 file. */
if (H5Gget_objinfo(datasetid, ".", 1, &statbuf) < 0) ERR;
dimscale_obj[dimscale_cnt].fileno[0] = statbuf.fileno[0];
dimscale_obj[dimscale_cnt].objno[0] = statbuf.objno[0];
dimscale_obj[dimscale_cnt].fileno[1] = statbuf.fileno[1];
dimscale_obj[dimscale_cnt].objno[1] = statbuf.objno[1];
/* printf("dimscale_obj[%d].fileno = %d dimscale_obj[%d].objno = %d\n", */
/* dimscale_cnt, dimscale_obj[dimscale_cnt].fileno, dimscale_cnt, */
/* dimscale_obj[dimscale_cnt].objno); */
dimscale_cnt++;
}
else
{
/* Here's how to get the number of scales attached
* to the dataset's dimension 0 and 1. */
if ((num_scales = H5DSget_num_scales(datasetid, 0)) < 0) ERR;
if (num_scales != 1) ERR;
if ((num_scales = H5DSget_num_scales(datasetid, 1)) < 0) ERR;
if (num_scales != 1) ERR;
/* Go through all dimscales for this var and learn about them. */
for (d = 0; d < ndims; d++)
{
if (H5DSiterate_scales(datasetid, d, NULL, alien_visitor2,
&(vars_dimscale_obj[d])) < 0) ERR;
/* Verify that the object ids passed from the
* alien_visitor2 function match the ones we found
* for the lat and lon datasets. */
if (vars_dimscale_obj[d].fileno[0] != dimscale_obj[d].fileno[0] ||
vars_dimscale_obj[d].objno[0] != dimscale_obj[d].objno[0]) ERR;
if (vars_dimscale_obj[d].fileno[1] != dimscale_obj[d].fileno[1] ||
vars_dimscale_obj[d].objno[1] != dimscale_obj[d].objno[1]) ERR;
}
}
if (H5Dclose(datasetid) < 0) ERR;
if (H5Sclose(spaceid) < 0) ERR;
break;
case H5G_TYPE:
break;
case H5G_LINK:
break;
default:
printf("Unknown object class %d!", obj_class);
}
}
/* Close up the shop. */
if (H5Fclose(fileid) < 0) ERR;
}
SUMMARIZE_ERR;
printf("*** Creating a file with one var with two unlimited dimension scales...");
{
#define U1_LEN 3
#define U2_LEN 2
#define DIMS2 2
#define U1_NAME "u1"
#define U2_NAME "u2"
#define VNAME "v1"
hid_t fapl_id, fcpl_id, grpid, plistid, plistid2;
hid_t fileid, lat_spaceid, lon_spaceid, pres_spaceid;
hid_t pres_datasetid, lat_dimscaleid, lon_dimscaleid;
hsize_t dims[DIMS2], maxdims[DIMS2], chunksize[DIMS2] = {10, 10};
hid_t spaceid = 0, datasetid = 0;
hsize_t num_obj, i;
int obj_class;
char obj_name[NC_MAX_NAME + 1];
htri_t is_scale;
int num_scales;
H5G_stat_t statbuf;
HDF5_OBJID_T dimscale_obj[2], vars_dimscale_obj[2];
int dimscale_cnt = 0;
int d, ndims;
/* Create file access and create property lists. */
if ((fapl_id = H5Pcreate(H5P_FILE_ACCESS)) < 0) ERR;
if ((fcpl_id = H5Pcreate(H5P_FILE_CREATE)) < 0) ERR;
/* Set latest_format in access propertly list. This ensures that
* the latest, greatest, HDF5 versions are used in the file. */
if (H5Pset_libver_bounds(fapl_id, H5F_LIBVER_LATEST, H5F_LIBVER_LATEST) < 0) ERR;
/* Set H5P_CRT_ORDER_TRACKED in the creation property list. This
* turns on HDF5 creation ordering in the file. */
if (H5Pset_link_creation_order(fcpl_id, (H5P_CRT_ORDER_TRACKED |
H5P_CRT_ORDER_INDEXED)) < 0) ERR;
if (H5Pset_attr_creation_order(fcpl_id, (H5P_CRT_ORDER_TRACKED |
H5P_CRT_ORDER_INDEXED)) < 0) ERR;
/* Create file. */
if ((fileid = H5Fcreate(FILE_NAME, H5F_ACC_TRUNC, fcpl_id, fapl_id)) < 0) ERR;
/* Open the root group. */
if ((grpid = H5Gopen2(fileid, "/", H5P_DEFAULT)) < 0) ERR;
/* Create the spaces that will be used for the dimscales. */
dims[0] = 0;
maxdims[0] = H5S_UNLIMITED;
if ((lat_spaceid = H5Screate_simple(1, dims, maxdims)) < 0) ERR;
if ((lon_spaceid = H5Screate_simple(1, dims, maxdims)) < 0) ERR;
/* Create the space for the dataset. */
dims[0] = 0;
dims[1] = 0;
maxdims[0] = H5S_UNLIMITED;
maxdims[1] = H5S_UNLIMITED;
if ((pres_spaceid = H5Screate_simple(DIMS2, dims, maxdims)) < 0) ERR;
/* Set up the dataset creation property list for the two dimensions. */
if ((plistid = H5Pcreate(H5P_DATASET_CREATE)) < 0) ERR;
if (H5Pset_chunk(plistid, 1, chunksize) < 0) ERR;
if (H5Pset_attr_creation_order(plistid, H5P_CRT_ORDER_TRACKED|
H5P_CRT_ORDER_INDEXED) < 0) ERR;
/* Create our dimension scales. */
if ((lat_dimscaleid = H5Dcreate(grpid, U1_NAME, H5T_NATIVE_INT,
lat_spaceid, plistid)) < 0) ERR;
if (H5DSset_scale(lat_dimscaleid, NULL) < 0) ERR;
if ((lon_dimscaleid = H5Dcreate(grpid, U2_NAME, H5T_NATIVE_INT,
lon_spaceid, plistid)) < 0) ERR;
if (H5DSset_scale(lon_dimscaleid, NULL) < 0) ERR;
/* Set up the dataset creation property list for the variable. */
if ((plistid2 = H5Pcreate(H5P_DATASET_CREATE)) < 0) ERR;
if (H5Pset_chunk(plistid2, DIMS2, chunksize) < 0) ERR;
if (H5Pset_attr_creation_order(plistid2, H5P_CRT_ORDER_TRACKED|
H5P_CRT_ORDER_INDEXED) < 0) ERR;
/* Create a variable which uses these two dimscales. */
if ((pres_datasetid = H5Dcreate(grpid, VNAME, H5T_NATIVE_DOUBLE, pres_spaceid,
plistid2)) < 0) ERR;
if (H5DSattach_scale(pres_datasetid, lat_dimscaleid, 0) < 0) ERR;
if (H5DSattach_scale(pres_datasetid, lon_dimscaleid, 1) < 0) ERR;
/* Close down the show. */
if (H5Pclose(fapl_id) < 0 ||
H5Pclose(fcpl_id) < 0 ||
H5Dclose(lat_dimscaleid) < 0 ||
H5Dclose(lon_dimscaleid) < 0 ||
H5Dclose(pres_datasetid) < 0 ||
H5Sclose(lat_spaceid) < 0 ||
H5Sclose(lon_spaceid) < 0 ||
H5Sclose(pres_spaceid) < 0 ||
H5Pclose(plistid) < 0 ||
H5Pclose(plistid2) < 0 ||
H5Gclose(grpid) < 0 ||
H5Fclose(fileid) < 0) ERR;
/* Open the file. */
if ((fileid = H5Fopen(FILE_NAME, H5F_ACC_RDWR, H5P_DEFAULT)) < 0) ERR;
if ((grpid = H5Gopen2(fileid, "/", H5P_DEFAULT)) < 0) ERR;
/* Loop through objects in the root group. */
if (H5Gget_num_objs(grpid, &num_obj) < 0) ERR;
for (i = 0; i < num_obj; i++)
{
/*Get the type (i.e. group, dataset, etc.), and the name of
the object. */
if ((obj_class = H5Gget_objtype_by_idx(grpid, i)) < 0) ERR;
if (H5Gget_objname_by_idx(grpid, i, obj_name, NC_MAX_NAME) < 0) ERR;
/* Deal with object based on its obj_class. */
switch(obj_class)
{
case H5G_GROUP:
break;
case H5G_DATASET:
/* Open the dataset. */
if ((datasetid = H5Dopen1(grpid, obj_name)) < 0) ERR;
/* Get space info. */
if ((spaceid = H5Dget_space(datasetid)) < 0) ERR;
if (H5Sget_simple_extent_dims(spaceid, dims, maxdims) < 0) ERR;
if ((ndims = H5Sget_simple_extent_ndims(spaceid)) < 0) ERR;
/* Is this a dimscale? */
if ((is_scale = H5DSis_scale(datasetid)) < 0) ERR;
if (is_scale)
{
/* fileno and objno uniquely identify an object and a
* HDF5 file. */
if (H5Gget_objinfo(datasetid, ".", 1, &statbuf) < 0) ERR;
dimscale_obj[dimscale_cnt].fileno[0] = statbuf.fileno[0];
dimscale_obj[dimscale_cnt].objno[0] = statbuf.objno[0];
dimscale_obj[dimscale_cnt].fileno[1] = statbuf.fileno[1];
dimscale_obj[dimscale_cnt].objno[1] = statbuf.objno[1];
dimscale_cnt++;
}
else
{
/* Here's how to get the number of scales attached
* to the dataset's dimension 0 and 1. */
if ((num_scales = H5DSget_num_scales(datasetid, 0)) < 0) ERR;
if (num_scales != 1) ERR;
if ((num_scales = H5DSget_num_scales(datasetid, 1)) < 0) ERR;
if (num_scales != 1) ERR;
/* Go through all dimscales for this var and learn about them. */
for (d = 0; d < ndims; d++)
{
if (H5DSiterate_scales(datasetid, d, NULL, alien_visitor2,
&(vars_dimscale_obj[d])) < 0) ERR;
/* Verify that the object ids passed from the
* alien_visitor2 function match the ones we found
* for the lat and lon datasets. */
if (vars_dimscale_obj[d].fileno[0] != dimscale_obj[d].fileno[0] ||
vars_dimscale_obj[d].objno[0] != dimscale_obj[d].objno[0]) ERR;
if (vars_dimscale_obj[d].fileno[1] != dimscale_obj[d].fileno[1] ||
vars_dimscale_obj[d].objno[1] != dimscale_obj[d].objno[1]) ERR;
}
}
if (H5Dclose(datasetid) < 0) ERR;
break;
case H5G_TYPE:
break;
case H5G_LINK:
break;
default:
printf("Unknown object class %d!", obj_class);
}
}
/* Check the dimension lengths. */
{
hid_t spaceid1;
hsize_t h5dimlen[DIMS2], h5dimlenmax[DIMS2];
int dataset_ndims;
/* Check U1. */
if ((datasetid = H5Dopen1(grpid, U1_NAME)) < 0) ERR;
if ((spaceid1 = H5Dget_space(datasetid)) < 0) ERR;
if ((dataset_ndims = H5Sget_simple_extent_dims(spaceid1, h5dimlen,
h5dimlenmax)) < 0) ERR;
if (dataset_ndims != 1 || h5dimlen[0] != 0 || h5dimlenmax[0] != H5S_UNLIMITED) ERR;
if (H5Dclose(datasetid) ||
H5Sclose(spaceid1)) ERR;
/* Check U2. */
if ((datasetid = H5Dopen1(grpid, U2_NAME)) < 0) ERR;
if ((spaceid1 = H5Dget_space(datasetid)) < 0) ERR;
if ((dataset_ndims = H5Sget_simple_extent_dims(spaceid1, h5dimlen,
h5dimlenmax)) < 0) ERR;
if (dataset_ndims != 1 || h5dimlen[0] != 0 || h5dimlenmax[0] != H5S_UNLIMITED) ERR;
if (H5Dclose(datasetid) ||
H5Sclose(spaceid1)) ERR;
/* Check V1. */
if ((datasetid = H5Dopen1(grpid, VNAME)) < 0) ERR;
if ((spaceid1 = H5Dget_space(datasetid)) < 0) ERR;
if ((dataset_ndims = H5Sget_simple_extent_dims(spaceid1, h5dimlen,
h5dimlenmax)) < 0) ERR;
if (dataset_ndims != 2 || h5dimlen[0] != 0 || h5dimlen[1] != 0 ||
h5dimlenmax[0] != H5S_UNLIMITED || h5dimlenmax[1] != H5S_UNLIMITED) ERR;
/* All done. */
if (H5Dclose(datasetid) ||
H5Sclose(spaceid1)) ERR;
}
/* Write two hyperslabs. */
{
#define NUM_VALS 3
hid_t file_spaceid, mem_spaceid;
hsize_t h5dimlen[DIMS2], h5dimlenmax[DIMS2], xtend_size[DIMS2] = {1, NUM_VALS};
hsize_t start[DIMS2] = {0, 0};
hsize_t count[DIMS2] = {1, NUM_VALS};
double value[NUM_VALS];
int dataset_ndims;
int i;
/* Set up phony data. */
for (i = 0; i < NUM_VALS; i++)
value[i] = (float)i;
/* Open the dataset, check its dimlens. */
if ((datasetid = H5Dopen1(grpid, VNAME)) < 0) ERR;
if ((file_spaceid = H5Dget_space(datasetid)) < 0) ERR;
if ((dataset_ndims = H5Sget_simple_extent_dims(file_spaceid, h5dimlen,
h5dimlenmax)) < 0) ERR;
if (dataset_ndims != 2 || h5dimlen[0] != 0 || h5dimlen[1] != 0 ||
h5dimlenmax[0] != H5S_UNLIMITED || h5dimlenmax[1] != H5S_UNLIMITED) ERR;
/* Extend the size of the dataset. */
if (H5Dextend(datasetid, xtend_size) < 0) ERR;
if ((file_spaceid = H5Dget_space(datasetid)) < 0) ERR;
/* Check the size. */
if ((dataset_ndims = H5Sget_simple_extent_dims(file_spaceid, h5dimlen,
h5dimlenmax)) < 0) ERR;
if (dataset_ndims != 2 || h5dimlen[0] != 1 || h5dimlen[1] != NUM_VALS ||
h5dimlenmax[0] != H5S_UNLIMITED || h5dimlenmax[1] != H5S_UNLIMITED) ERR;
/* Set up the file and memory spaces. */
if (H5Sselect_hyperslab(file_spaceid, H5S_SELECT_SET,
start, NULL, count, NULL) < 0) ERR;
if ((mem_spaceid = H5Screate_simple(DIMS2, count, NULL)) < 0) ERR;
/* Write a slice of data. */
if (H5Dwrite(datasetid, H5T_NATIVE_DOUBLE, mem_spaceid, file_spaceid,
H5P_DEFAULT, value) < 0)
/* Check the size. */
if ((file_spaceid = H5Dget_space(datasetid)) < 0) ERR;
if ((dataset_ndims = H5Sget_simple_extent_dims(file_spaceid, h5dimlen,
h5dimlenmax)) < 0) ERR;
if (dataset_ndims != 2 || h5dimlen[0] != 1 || h5dimlen[1] != NUM_VALS ||
h5dimlenmax[0] != H5S_UNLIMITED || h5dimlenmax[1] != H5S_UNLIMITED) ERR;
/* Extend the size of the dataset for the second slice. */
xtend_size[0]++;
if (H5Dextend(datasetid, xtend_size) < 0) ERR;
if ((file_spaceid = H5Dget_space(datasetid)) < 0) ERR;
/* Set up the file and memory spaces for a second slice. */
start[0]++;
if (H5Sselect_hyperslab(file_spaceid, H5S_SELECT_SET,
start, NULL, count, NULL) < 0) ERR;
if ((mem_spaceid = H5Screate_simple(DIMS2, count, NULL)) < 0) ERR;
/* Write a second slice of data. */
if (H5Dwrite(datasetid, H5T_NATIVE_DOUBLE, mem_spaceid, file_spaceid,
H5P_DEFAULT, value) < 0)
/* Check the size again. */
if ((file_spaceid = H5Dget_space(datasetid)) < 0) ERR;
if ((dataset_ndims = H5Sget_simple_extent_dims(file_spaceid, h5dimlen,
h5dimlenmax)) < 0) ERR;
if (dataset_ndims != 2 || h5dimlen[0] != 2 || h5dimlen[1] != NUM_VALS ||
h5dimlenmax[0] != H5S_UNLIMITED || h5dimlenmax[1] != H5S_UNLIMITED) ERR;
/* All done. */
if (H5Dclose(datasetid) ||
H5Sclose(mem_spaceid) ||
H5Sclose(file_spaceid)) ERR;
}
/* Close up the shop. */
if (H5Sclose(spaceid)) ERR;
if (H5Gclose(grpid) < 0 ||
H5Fclose(fileid) < 0) ERR;
}
SUMMARIZE_ERR;
printf("*** Checking dimension scales with attached dimension scales...");
{
#define LAT_LEN 3
#define LON_LEN 2
#define TIME_LEN 5
#define LEN_LEN 10
#define DIMS_3 3
#define NUM_DIMSCALES1 4
#define LAT_NAME "lat"
#define LON_NAME "lon"
#define PRES_NAME1 "z_pres"
#define TIME_NAME "time"
#define LEN_NAME "u_len"
hid_t fileid, lat_spaceid, lon_spaceid, time_spaceid, pres_spaceid, len_spaceid;
hid_t pres_datasetid, lat_dimscaleid, lon_dimscaleid, time_dimscaleid, len_dimscaleid;
hid_t fapl_id, fcpl_id;
hsize_t dims[DIMS_3];
hid_t spaceid = 0, datasetid = 0;
hsize_t num_obj, i;
int obj_class;
char obj_name[NC_MAX_NAME + 1];
htri_t is_scale;
int num_scales;
hsize_t maxdims[DIMS_3];
H5G_stat_t statbuf;
HDF5_OBJID_T dimscale_obj[NUM_DIMSCALES1], vars_dimscale_obj[NUM_DIMSCALES1];
int dimscale_cnt = 0;
int d, ndims;
/* Create file access and create property lists. */
if ((fapl_id = H5Pcreate(H5P_FILE_ACCESS)) < 0) ERR;
if ((fcpl_id = H5Pcreate(H5P_FILE_CREATE)) < 0) ERR;
/* Set latest_format in access propertly list. This ensures that
* the latest, greatest, HDF5 versions are used in the file. */
if (H5Pset_libver_bounds(fapl_id, H5F_LIBVER_LATEST, H5F_LIBVER_LATEST) < 0) ERR;
/* Set H5P_CRT_ORDER_TRACKED in the creation property list. This
* turns on HDF5 creation ordering in the file. */
if (H5Pset_link_creation_order(fcpl_id, (H5P_CRT_ORDER_TRACKED |
H5P_CRT_ORDER_INDEXED)) < 0) ERR;
if (H5Pset_attr_creation_order(fcpl_id, (H5P_CRT_ORDER_TRACKED |
H5P_CRT_ORDER_INDEXED)) < 0) ERR;
/* Create file. */
if ((fileid = H5Fcreate(FILE_NAME, H5F_ACC_TRUNC, fcpl_id, fapl_id)) < 0) ERR;
/* Create the spaces that will be used for the dimscales. */
dims[0] = LAT_LEN;
if ((lat_spaceid = H5Screate_simple(1, dims, dims)) < 0) ERR;
dims[0] = LON_LEN;
if ((lon_spaceid = H5Screate_simple(1, dims, dims)) < 0) ERR;
dims[0] = TIME_LEN;
if ((time_spaceid = H5Screate_simple(1, dims, dims)) < 0) ERR;
dims[0] = LEN_LEN;
if ((len_spaceid = H5Screate_simple(1, dims, dims)) < 0) ERR;
/* Create the space for the dataset. */
dims[0] = LAT_LEN;
dims[1] = LON_LEN;
dims[2] = TIME_LEN;
if ((pres_spaceid = H5Screate_simple(DIMS_3, dims, dims)) < 0) ERR;
/* Create our dimension scales. */
if ((lat_dimscaleid = H5Dcreate1(fileid, LAT_NAME, H5T_NATIVE_INT,
lat_spaceid, H5P_DEFAULT)) < 0) ERR;
if (H5DSset_scale(lat_dimscaleid, NULL) < 0) ERR;
if ((lon_dimscaleid = H5Dcreate1(fileid, LON_NAME, H5T_NATIVE_INT,
lon_spaceid, H5P_DEFAULT)) < 0) ERR;
if (H5DSset_scale(lon_dimscaleid, NULL) < 0) ERR;
if ((time_dimscaleid = H5Dcreate1(fileid, TIME_NAME, H5T_NATIVE_INT,
time_spaceid, H5P_DEFAULT)) < 0) ERR;
if (H5DSset_scale(time_dimscaleid, NULL) < 0) ERR;
if ((len_dimscaleid = H5Dcreate1(fileid, LEN_NAME, H5T_NATIVE_INT,
len_spaceid, H5P_DEFAULT)) < 0) ERR;
if (H5DSset_scale(len_dimscaleid, NULL) < 0) ERR;
/* Create a variable which uses these three dimscales. */
if ((pres_datasetid = H5Dcreate1(fileid, PRES_NAME1, H5T_NATIVE_FLOAT,
pres_spaceid, H5P_DEFAULT)) < 0) ERR;
if (H5DSattach_scale(pres_datasetid, lat_dimscaleid, 0) < 0) ERR;
if (H5DSattach_scale(pres_datasetid, lon_dimscaleid, 1) < 0) ERR;
if (H5DSattach_scale(pres_datasetid, time_dimscaleid, 2) < 0) ERR;
/* Attach a dimscale to a dimscale. Unfortunately, HDF5 does not
* allow this. Woe is me. */
/*if (H5DSattach_scale(time_dimscaleid, len_dimscaleid, 0) < 0) ERR;*/
/* Fold up our tents. */
if (H5Dclose(lat_dimscaleid) < 0 ||
H5Dclose(lon_dimscaleid) < 0 ||
H5Dclose(time_dimscaleid) < 0 ||
H5Dclose(len_dimscaleid) < 0 ||
H5Dclose(pres_datasetid) < 0 ||
H5Sclose(lat_spaceid) < 0 ||
H5Sclose(lon_spaceid) < 0 ||
H5Sclose(time_spaceid) < 0 ||
H5Sclose(pres_spaceid) < 0 ||
H5Sclose(len_spaceid) < 0 ||
H5Pclose(fapl_id) < 0 ||
H5Pclose(fcpl_id) < 0 ||
H5Fclose(fileid) < 0) ERR;
/* Open the file. */
if ((fileid = H5Fopen(FILE_NAME, H5F_ACC_RDWR, H5P_DEFAULT)) < 0) ERR;
/* Loop through objects in the root group. */
if (H5Gget_num_objs(fileid, &num_obj) < 0) ERR;
for (i=0; i<num_obj; i++)
{
/* Get the type (i.e. group, dataset, etc.), and the name of
* the object. */
if ((obj_class = H5Gget_objtype_by_idx(fileid, i)) < 0) ERR;
if (H5Gget_objname_by_idx(fileid, i, obj_name, NC_MAX_NAME) < 0) ERR;
/* printf("\nEncountered: HDF5 object obj_class %d obj_name %s\n", */
/* obj_class, obj_name); */
/* Deal with object based on its obj_class. */
switch(obj_class)
{
case H5G_GROUP:
break;
case H5G_DATASET:
/* Open the dataset. */
if ((datasetid = H5Dopen1(fileid, obj_name)) < 0) ERR;
/* Get space info. */
if ((spaceid = H5Dget_space(datasetid)) < 0) ERR;
if (H5Sget_simple_extent_dims(spaceid, dims, maxdims) < 0) ERR;
if ((ndims = H5Sget_simple_extent_ndims(spaceid)) < 0) ERR;
/* Is this a dimscale? */
if ((is_scale = H5DSis_scale(datasetid)) < 0) ERR;
if (is_scale)
{
/* fileno and objno uniquely identify an object and a
* HDF5 file. */
if (H5Gget_objinfo(datasetid, ".", 1, &statbuf) < 0) ERR;
dimscale_obj[dimscale_cnt].fileno[0] = statbuf.fileno[0];
dimscale_obj[dimscale_cnt].objno[0] = statbuf.objno[0];
dimscale_obj[dimscale_cnt].fileno[1] = statbuf.fileno[1];
dimscale_obj[dimscale_cnt].objno[1] = statbuf.objno[1];
/* printf("dimscale_obj[%d].fileno = %d dimscale_obj[%d].objno = %d\n", */
/* dimscale_cnt, dimscale_obj[dimscale_cnt].fileno, dimscale_cnt, */
/* dimscale_obj[dimscale_cnt].objno); */
dimscale_cnt++;
}
else
{
/* Here's how to get the number of scales attached
* to the dataset's dimension 0 and 1. */
if ((num_scales = H5DSget_num_scales(datasetid, 0)) < 0) ERR;
if (num_scales != 1) ERR;
if ((num_scales = H5DSget_num_scales(datasetid, 1)) < 0) ERR;
if (num_scales != 1) ERR;
/* Go through all dimscales for this var and learn about them. */
for (d = 0; d < ndims; d++)
{
if (H5DSiterate_scales(datasetid, d, NULL, alien_visitor2,
&(vars_dimscale_obj[d])) < 0) ERR;
/* Verify that the object ids passed from the
* alien_visitor2 function match the ones we found
* for the lat and lon datasets. */
if (vars_dimscale_obj[d].fileno[0] != dimscale_obj[d].fileno[0] ||
vars_dimscale_obj[d].objno[0] != dimscale_obj[d].objno[0]) ERR;
if (vars_dimscale_obj[d].fileno[1] != dimscale_obj[d].fileno[1] ||
vars_dimscale_obj[d].objno[1] != dimscale_obj[d].objno[1]) ERR;
}
}
if (H5Dclose(datasetid) < 0) ERR;
if (H5Sclose(spaceid) < 0) ERR;
break;
case H5G_TYPE:
break;
case H5G_LINK:
break;
default:
printf("Unknown object class %d!", obj_class);
}
}
/* Close up the shop. */
if (H5Fclose(fileid) < 0) ERR;
}
SUMMARIZE_ERR;
printf("*** Checking cration ordering of datasets which are also dimension scales...");
{
#define LAT_LEN 3
#define LON_LEN 2
#define TIME_LEN 5
#define LEN_LEN 10
#define DIMS_3 3
#define NUM_DIMSCALES2 4
#define LAT_NAME "lat"
#define LON_NAME "lon"
#define PRES_NAME1 "z_pres"
#define TIME_NAME "time"
#define LEN_NAME "u_len"
hid_t fileid, lat_spaceid, lon_spaceid, time_spaceid, pres_spaceid, len_spaceid;
hid_t pres_datasetid, lat_dimscaleid, lon_dimscaleid, time_dimscaleid, len_dimscaleid;
hid_t fapl_id, fcpl_id;
hsize_t dims[DIMS_3];
hid_t spaceid = 0, datasetid = 0;
hsize_t num_obj, i;
int obj_class;
char obj_name[NC_MAX_NAME + 1];
htri_t is_scale;
int num_scales;
hsize_t maxdims[DIMS_3];
H5G_stat_t statbuf;
HDF5_OBJID_T dimscale_obj[NUM_DIMSCALES2], vars_dimscale_obj[NUM_DIMSCALES2];
int dimscale_cnt = 0;
int d, ndims;
/* Create file access and create property lists. */
if ((fapl_id = H5Pcreate(H5P_FILE_ACCESS)) < 0) ERR;
if ((fcpl_id = H5Pcreate(H5P_FILE_CREATE)) < 0) ERR;
/* Set latest_format in access propertly list. This ensures that
* the latest, greatest, HDF5 versions are used in the file. */
if (H5Pset_libver_bounds(fapl_id, H5F_LIBVER_LATEST, H5F_LIBVER_LATEST) < 0) ERR;
/* Set H5P_CRT_ORDER_TRACKED in the creation property list. This
* turns on HDF5 creation ordering in the file. */
if (H5Pset_link_creation_order(fcpl_id, (H5P_CRT_ORDER_TRACKED |
H5P_CRT_ORDER_INDEXED)) < 0) ERR;
if (H5Pset_attr_creation_order(fcpl_id, (H5P_CRT_ORDER_TRACKED |
H5P_CRT_ORDER_INDEXED)) < 0) ERR;
/* Create file. */
if ((fileid = H5Fcreate(FILE_NAME, H5F_ACC_TRUNC, fcpl_id, fapl_id)) < 0) ERR;
/* Create the spaces that will be used for the dimscales. */
dims[0] = LAT_LEN;
if ((lat_spaceid = H5Screate_simple(1, dims, dims)) < 0) ERR;
dims[0] = LON_LEN;
if ((lon_spaceid = H5Screate_simple(1, dims, dims)) < 0) ERR;
dims[0] = TIME_LEN;
if ((time_spaceid = H5Screate_simple(1, dims, dims)) < 0) ERR;
dims[0] = LEN_LEN;
if ((len_spaceid = H5Screate_simple(1, dims, dims)) < 0) ERR;
/* Create the space for the dataset. */
dims[0] = LAT_LEN;
dims[1] = LON_LEN;
dims[2] = TIME_LEN;
if ((pres_spaceid = H5Screate_simple(DIMS_3, dims, dims)) < 0) ERR;
/* Create our dimension scales. */
if ((lat_dimscaleid = H5Dcreate1(fileid, LAT_NAME, H5T_NATIVE_INT,
lat_spaceid, H5P_DEFAULT)) < 0) ERR;
if (H5DSset_scale(lat_dimscaleid, NULL) < 0) ERR;
if ((lon_dimscaleid = H5Dcreate1(fileid, LON_NAME, H5T_NATIVE_INT,
lon_spaceid, H5P_DEFAULT)) < 0) ERR;
if (H5DSset_scale(lon_dimscaleid, NULL) < 0) ERR;
if ((time_dimscaleid = H5Dcreate1(fileid, TIME_NAME, H5T_NATIVE_INT,
time_spaceid, H5P_DEFAULT)) < 0) ERR;
if (H5DSset_scale(time_dimscaleid, NULL) < 0) ERR;
if ((len_dimscaleid = H5Dcreate1(fileid, LEN_NAME, H5T_NATIVE_INT,
len_spaceid, H5P_DEFAULT)) < 0) ERR;
if (H5DSset_scale(len_dimscaleid, NULL) < 0) ERR;
/* Create a variable which uses these three dimscales. */
if ((pres_datasetid = H5Dcreate1(fileid, PRES_NAME1, H5T_NATIVE_FLOAT,
pres_spaceid, H5P_DEFAULT)) < 0) ERR;
if (H5DSattach_scale(pres_datasetid, lat_dimscaleid, 0) < 0) ERR;
if (H5DSattach_scale(pres_datasetid, lon_dimscaleid, 1) < 0) ERR;
if (H5DSattach_scale(pres_datasetid, time_dimscaleid, 2) < 0) ERR;
/* Attach a dimscale to a dimscale. Unfortunately, HDF5 does not
* allow this. Woe is me. */
/*if (H5DSattach_scale(time_dimscaleid, len_dimscaleid, 0) < 0) ERR;*/
/* Fold up our tents. */
if (H5Dclose(lat_dimscaleid) < 0 ||
H5Dclose(lon_dimscaleid) < 0 ||
H5Dclose(time_dimscaleid) < 0 ||
H5Dclose(len_dimscaleid) < 0 ||
H5Dclose(pres_datasetid) < 0 ||
H5Sclose(lat_spaceid) < 0 ||
H5Sclose(lon_spaceid) < 0 ||
H5Sclose(time_spaceid) < 0 ||
H5Sclose(pres_spaceid) < 0 ||
H5Sclose(len_spaceid) < 0 ||
H5Pclose(fapl_id) < 0 ||
H5Pclose(fcpl_id) < 0 ||
H5Fclose(fileid) < 0) ERR;
/* Open the file. */
if ((fileid = H5Fopen(FILE_NAME, H5F_ACC_RDWR, H5P_DEFAULT)) < 0) ERR;
/* Loop through objects in the root group. */
if (H5Gget_num_objs(fileid, &num_obj) < 0) ERR;
for (i=0; i<num_obj; i++)
{
/* Get the type (i.e. group, dataset, etc.), and the name of
* the object. */
if ((obj_class = H5Gget_objtype_by_idx(fileid, i)) < 0) ERR;
if (H5Gget_objname_by_idx(fileid, i, obj_name, NC_MAX_NAME) < 0) ERR;
/* printf("\nEncountered: HDF5 object obj_class %d obj_name %s\n", */
/* obj_class, obj_name); */
/* Deal with object based on its obj_class. */
switch(obj_class)
{
case H5G_GROUP:
break;
case H5G_DATASET:
/* Open the dataset. */
if ((datasetid = H5Dopen1(fileid, obj_name)) < 0) ERR;
/* Get space info. */
if ((spaceid = H5Dget_space(datasetid)) < 0) ERR;
if (H5Sget_simple_extent_dims(spaceid, dims, maxdims) < 0) ERR;
if ((ndims = H5Sget_simple_extent_ndims(spaceid)) < 0) ERR;
/* Is this a dimscale? */
if ((is_scale = H5DSis_scale(datasetid)) < 0) ERR;
if (is_scale)
{
/* fileno and objno uniquely identify an object and a
* HDF5 file. */
if (H5Gget_objinfo(datasetid, ".", 1, &statbuf) < 0) ERR;
dimscale_obj[dimscale_cnt].fileno[0] = statbuf.fileno[0];
dimscale_obj[dimscale_cnt].objno[0] = statbuf.objno[0];
dimscale_obj[dimscale_cnt].fileno[1] = statbuf.fileno[1];
dimscale_obj[dimscale_cnt].objno[1] = statbuf.objno[1];
/* printf("dimscale_obj[%d].fileno = %d dimscale_obj[%d].objno = %d\n", */
/* dimscale_cnt, dimscale_obj[dimscale_cnt].fileno, dimscale_cnt, */
/* dimscale_obj[dimscale_cnt].objno); */
dimscale_cnt++;
}
else
{
/* Here's how to get the number of scales attached
* to the dataset's dimension 0 and 1. */
if ((num_scales = H5DSget_num_scales(datasetid, 0)) < 0) ERR;
if (num_scales != 1) ERR;
if ((num_scales = H5DSget_num_scales(datasetid, 1)) < 0) ERR;
if (num_scales != 1) ERR;
/* Go through all dimscales for this var and learn about them. */
for (d = 0; d < ndims; d++)
{
if (H5DSiterate_scales(datasetid, d, NULL, alien_visitor2,
&(vars_dimscale_obj[d])) < 0) ERR;
/* Verify that the object ids passed from the
* alien_visitor2 function match the ones we found
* for the lat and lon datasets. */
if (vars_dimscale_obj[d].fileno[0] != dimscale_obj[d].fileno[0] ||
vars_dimscale_obj[d].objno[0] != dimscale_obj[d].objno[0]) ERR;
if (vars_dimscale_obj[d].fileno[1] != dimscale_obj[d].fileno[1] ||
vars_dimscale_obj[d].objno[1] != dimscale_obj[d].objno[1]) ERR;
}
}
if (H5Dclose(datasetid) < 0) ERR;
if (H5Sclose(spaceid) < 0) ERR;
break;
case H5G_TYPE:
break;
case H5G_LINK:
break;
default:
printf("Unknown object class %d!", obj_class);
}
}
/* Close up the shop. */
if (H5Fclose(fileid) < 0) ERR;
}
SUMMARIZE_ERR;
FINAL_RESULTS;
}