1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
|
/*
* This example shows how to create groups within the file and
* datasets within the file and groups.
*/
#include "hdf5.h"
#define FILE "DIR.h5"
#define RANK 2
int
main(void)
{
hid_t file, dir;
hid_t dataset, dataspace;
herr_t status;
hsize_t dims[2];
hsize_t size[1];
/*
* Create a file.
*/
file = H5Fcreate(FILE, H5F_ACC_TRUNC, H5P_DEFAULT, H5P_DEFAULT);
/*
* Create two groups in a file.
*/
dir = H5Gcreate(file, "/IntData", 0);
status = H5Gclose(dir);
dir = H5Gcreate(file,"/FloatData", 0);
status = H5Gclose(dir);
/*
* Create dataspace for the character string
*/
size[0] = 80;
dataspace = H5Screate_simple(1, size, NULL);
/*
* Create dataset "String" in the root group.
*/
dataset = H5Dcreate(file, "String", H5T_NATIVE_CHAR, dataspace,
H5P_DEFAULT);
H5Dclose(dataset);
/*
* Create dataset "String" in the /IntData group.
*/
dataset = H5Dcreate(file, "/IntData/String", H5T_NATIVE_CHAR, dataspace,
H5P_DEFAULT);
H5Dclose(dataset);
/*
* Create dataset "String" in the /FloatData group.
*/
dataset = H5Dcreate(file, "/FloatData/String", H5T_NATIVE_CHAR, dataspace,
H5P_DEFAULT);
H5Sclose(dataspace);
H5Dclose(dataset);
/*
* Create IntArray dataset in the /IntData group by specifying full path.
*/
dims[0] = 2;
dims[1] = 3;
dataspace = H5Screate_simple(RANK, dims, NULL);
dataset = H5Dcreate(file, "/IntData/IntArray", H5T_NATIVE_INT, dataspace,
H5P_DEFAULT);
H5Sclose(dataspace);
H5Dclose(dataset);
/*
* Set current group to /IntData and attach to the dataset String.
*/
status = H5Gset (file, "/IntData");
dataset = H5Dopen(file, "String");
if (dataset > 0) printf("String dataset in /IntData group is found\n");
H5Dclose(dataset);
/*
* Set current group to /FloatData.
*/
status = H5Gset (file, "/FloatData");
/*
* Create two datasets FlatArray and DoubleArray.
*/
dims[0] = 5;
dims[1] = 10;
dataspace = H5Screate_simple(RANK, dims, NULL);
dataset = H5Dcreate(file, "FloatArray", H5T_NATIVE_FLOAT, dataspace,
H5P_DEFAULT);
H5Sclose(dataspace);
H5Dclose(dataset);
dims[0] = 4;
dims[1] = 6;
dataspace = H5Screate_simple(RANK, dims, NULL);
dataset = H5Dcreate(file, "DoubleArray", H5T_NATIVE_DOUBLE, dataspace,
H5P_DEFAULT);
H5Sclose(dataspace);
H5Dclose(dataset);
/*
* Attach to /FloatData/String dataset.
*/
dataset = H5Dopen(file, "/FloatData/String");
if (dataset > 0) printf("/FloatData/String dataset is found\n");
H5Dclose(dataset);
H5Fclose(file);
return 0;
}
|
