mirror of
https://github.com/HDFGroup/hdf5.git
synced 2024-11-21 01:04:10 +08:00
85 lines
1.6 KiB
C
85 lines
1.6 KiB
C
#include "hdf5.h"
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#define FILE "DIR.h5"
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#define RANK 2
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main()
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{
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hid_t file, dir;
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hid_t dataset, dataspace;
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herr_t status;
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size_t dims[2];
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/*
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* Create a file.
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*/
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file = H5Fcreate(FILE, H5ACC_OVERWRITE, H5C_DEFAULT, H5C_DEFAULT);
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/*
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* Create two groups in a file.
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*/
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dir = H5Gcreate(file, "/IntData", 0);
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status = H5Gclose(dir);
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dir = H5Gcreate(file,"/FloatData", 0);
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status = H5Gclose(dir);
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/*
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* Create dataset in the /IntData group by specifying full path.
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*/
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dims[0] = 2;
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dims[1] = 3;
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dataspace = H5Pcreate_simple(RANK, dims, NULL);
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dataset = H5Dcreate(file, "/IntData/IntArray", H5T_NATIVE_INT, dataspace, H5C_DEFAULT);
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H5Pclose(dataspace);
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H5Dclose(dataset);
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/*
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* Set current group to /IntData and attach to the dataset IntArray.
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*/
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status = H5Gset (file, "/IntData");
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dataset = H5Dopen(file, "IntArray");
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if (dataset > 0) printf("IntArray dataset in /IntData group is found\n");
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H5Dclose(dataset);
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/*
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* Set current group to /FloatData.
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*/
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status = H5Gset (file, "/FloatData");
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/*
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* Create two datasets
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*/
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dims[0] = 5;
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dims[1] = 10;
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dataspace = H5Pcreate_simple(RANK, dims, NULL);
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dataset = H5Dcreate(file, "FloatArray", H5T_NATIVE_FLOAT, dataspace, H5C_DEFAULT);
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H5Pclose(dataspace);
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H5Dclose(dataset);
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dims[0] = 4;
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dims[1] = 6;
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dataspace = H5Pcreate_simple(RANK, dims, NULL);
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dataset = H5Dcreate(file, "DoubleArray", H5T_NATIVE_DOUBLE, dataspace, H5C_DEFAULT);
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H5Pclose(dataspace);
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H5Dclose(dataset);
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/*
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* Attach to /FloatData/DoubleArray dataset
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*/
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dataset = H5Dopen(file, "/FloatData/DoubleArray");
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if (dataset > 0) printf("/FloatData/DoubleArray dataset is found\n");
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H5Dclose(dataset);
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H5Fclose(file);
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}
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