I'm trying to get two datasets into one file, and I'm clearly doing something
wrong. Can someone point out the obvious to me?
#include "myh5defs.h"
#define FILE "wdset.h5"
main() {
hid_t file_id, dataset, dataspace; /* identifiers */
hid_t parmset,parmspace;
hsize_t dims[2];
herr_t status;
double data[24]; int i,parm;
/* Create a new file using default properties. */
file_id = H5Fcreate(FILE, H5F_ACC_TRUNC, H5P_DEFAULT, H5P_DEFAULT);
/* Create the dataset. */
dims[0] = 4; dims[1] = 6;
dataspace = H5Screate_simple(2, dims, NULL);
dataset = H5Dcreate
(file_id, "/dset", H5T_NATIVE_DOUBLE, dataspace, H5P_DEFAULT);
/* Add a descriptive parameter */
parmspace = H5Screate(H5S_SCALAR);
parmset = H5Dcreate
(file_id,"/parm",H5T_NATIVE_INT,parmspace,H5P_DEFAULT);
/* Write data to file */
for (i=0; i<24; i++) data[i] = i+.5;
status = H5Dwrite
(dataset,H5T_NATIVE_DOUBLE,H5S_ALL,H5S_ALL,H5P_DEFAULT,
data); H5REPORT(status);
/* write parameter value */
parm = 37;
status = H5Dwrite
(parmset,H5T_NATIVE_INT,H5S_ALL,H5S_ALL,H5P_DEFAULT,
&parm); H5REPORT(status);
/* End access to the dataset and release resources used by it. */
status = H5Dclose(dataset);
status = H5Dclose(parmset);
/* Terminate access to the data space. */
status = H5Sclose(dataspace);
status = H5Sclose(parmspace);
/* Close the file. */
status = H5Fclose(file_id);
}
Output:
%% h5dump wdset.h5
HDF5 "wdset.h5" {
GROUP "/" {
DATASET "dset" {
DATATYPE H5T_IEEE_F64LE
DATASPACE SIMPLE { ( 4, 6 ) / ( 4, 6 ) }
DATA {
(0,0): 0.5, 1.5, 2.5, 3.5, 4.5, 5.5,
(1,0): 6.5, 7.5, 8.5, 9.5, 10.5, 11.5,
(2,0): 12.5, 13.5, 14.5, 15.5, 16.5, 17.5,
(3,0): 18.5, 19.5, 20.5, 21.5, 22.5, 23.5
}
}
DATASET "parm" {
DATATYPE H5T_STD_I32LE
DATASPACE SCALAR
DATA {
(0): 0
}
}
}
}
Writing either dataset on its own works correctly.
Victor.
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