The “Classic”

This example is equivalent to the one in section 4 of DDL in BNF for HDF5.

{
    "apiVersion": "0.0.0",
    "id": "e203fee7-89b4-4216-894d-7aef0e3a199d",
    "root": "903d1d75-e617-4767-a3bf-0cb3ee509027",
    "groups": {
        "903d1d75-e617-4767-a3bf-0cb3ee509027": {
            "attributes": [{
                "name": "attr1",
                "type": {
                    "class": "H5T_STRING",
                    "length": 17,
                    "strPad": "H5T_STR_NULLTERM",
                    "charSet": "H5T_CSET_ASCII"
                },
                "shape": {
                    "class": "H5S_SCALAR"
                },
                "value": "string attribute"
            }],
            "links": [
                {
                    "class": "H5L_TYPE_HARD",
                    "title": "dset1",
		    "collection": "datasets",
                    "id": "30292613-8d2a-4dc4-a277-b9d59d5b0d20"
                },
                {
                    "class": "H5L_TYPE_HARD",
                    "title": "group1",
		    "collection": "groups",
                    "id": "be8dcb22-b411-4439-85e9-ea384a685ae0"
                },
                {
                    "class": "H5L_TYPE_HARD",
                    "title": "group2",
		    "collection": "groups",
                    "id": "be8dcb22-b411-4439-85e9-ea384a685ae0"
                },
                {
                    "class": "H5L_TYPE_HARD",
                    "title": "dset2",
		    "collection": "datasets",
                    "id": "0a68caca-629a-44aa-9f37-311e7ffb8417"
                },
                {
                    "class": "H5L_TYPE_HARD",
                    "title": "dset3",
		    "collection": "datasets",
                    "id": "4b43748e-817f-44c6-a9f1-16e242fd374b"
                },
                {
                    "class": "H5L_TYPE_SOFT",
                    "title": "slink1",
                    "h5path": "somevalue"
                },
                {
                    "class": "H5L_TYPE_HARD",
                    "title": "type1",
		    "collection": "datatypes",
                    "id": "a93ff089-d466-44e7-b3f0-09db34ec2ef5"
                }
            ]
        },
        "be8dcb22-b411-4439-85e9-ea384a685ae0": {
            "links": [{
                "class": "H5L_TYPE_HARD",
                "title": "dset3",
		"collection": "datasets",
                "id": "42f5e3a2-5e70-4faf-9893-fd216257a0d9"
            }]
        }
    },
    "datasets": {
        "30292613-8d2a-4dc4-a277-b9d59d5b0d20": {
            "type": {
                "class": "H5T_INTEGER",
                "base": "H5T_STD_I32BE"
            },
            "shape": {
                "class": "H5S_SIMPLE",
                "dims": [ 10, 10 ],
                "maxdims": [ 10, 10 ]
            },
            "value": [
                [ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 ],
                [ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 ],
                [ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 ],
                [ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 ],
                [ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 ],
                [ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 ],
                [ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 ],
                [ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 ],
                [ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 ],
                [ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 ]
            ]
        },
        "0a68caca-629a-44aa-9f37-311e7ffb8417": {
            "type": {
                "class": "H5T_COMPOUND",
                "fields": [
                    {
                        "name": "a",
                        "type": {
                            "class": "H5T_INTEGER",
                            "base": "H5T_STD_I32BE"
                        }
                    },
                    {
                        "name": "b",
                        "type": {
                            "class": "H5T_FLOAT",
                            "base": "H5T_IEEE_F32BE"
                        }
                    },
                    {
                        "name": "c",
                        "type": {
                            "class": "H5T_FLOAT",
                            "base": "H5T_IEEE_F64BE"
                        }
                    }
                ]
            },
            "shape": {
                "class": "H5S_SIMPLE",
                "dims": [5],
                "maxdims": [5]
            },
            "value": [
                [ 1, 0.1, 0.01 ],
                [ 2, 0.2, 0.02 ],
                [ 3, 0.3, 0.03 ],
                [ 4, 0.4, 0.04 ],
                [ 5, 0.5, 0.05 ]
            ]
        },
        "4b43748e-817f-44c6-a9f1-16e242fd374b": {
            "type": {
                "class": "H5T_VLEN",
                "base": {
                    "class": "H5T_INTEGER",
                    "base": "H5T_STD_I32LE"
                }
            },
            "shape": {
                "class": "H5S_SIMPLE",
                "dims": [4],
                "maxdims": [4]
            },
            "value": [
                [ 0 ],
                [ 10, 11 ],
                [ 20, 21, 22 ],
                [ 30, 31, 32, 33 ]
            ]
        },
        "42f5e3a2-5e70-4faf-9893-fd216257a0d9": {
            "type": "a93ff089-d466-44e7-b3f0-09db34ec2ef5",
            "shape": {
                "class": "H5S_SIMPLE",
                "dims": [5],
                "maxdims": [5]
            },
            "value": [
                [
                    [ 0, 1, 2, 3 ],
                    [
                        [ 0.1, 0.1, 0.1, 0.1, 0.1, 0.1 ],
                        [ 0.2, 0.2, 0.2, 0.2, 0.2, 0.2 ],
                        [ 0.3, 0.3, 0.3, 0.3, 0.3, 0.3 ],
                        [ 0.4, 0.4, 0.4, 0.4, 0.4, 0.4 ],
                        [ 0.5, 0.5, 0.5, 0.5, 0.5, 0.5 ]
                    ]
                ],
                [
                    [ 0, 1, 2, 3 ],
                    [
                        [ 0.1, 0.1, 0.1, 0.1, 0.1, 0.1 ],
                        [ 0.2, 0.2, 0.2, 0.2, 0.2, 0.2 ],
                        [ 0.3, 0.3, 0.3, 0.3, 0.3, 0.3 ],
                        [ 0.4, 0.4, 0.4, 0.4, 0.4, 0.4 ],
                        [ 0.5, 0.5, 0.5, 0.5, 0.5, 0.5 ]
                    ]
                ],
                [
                    [ 0, 1, 2, 3 ],
                    [
                        [ 0.1, 0.1, 0.1, 0.1, 0.1, 0.1 ],
                        [ 0.2, 0.2, 0.2, 0.2, 0.2, 0.2 ],
                        [ 0.3, 0.3, 0.3, 0.3, 0.3, 0.3 ],
                        [ 0.4, 0.4, 0.4, 0.4, 0.4, 0.4 ],
                        [ 0.5, 0.5, 0.5, 0.5, 0.5, 0.5 ]
                    ]
                ],
                [
                    [ 0, 1, 2, 3 ],
                    [
                        [ 0.1, 0.1, 0.1, 0.1, 0.1, 0.1 ],
                        [ 0.2, 0.2, 0.2, 0.2, 0.2, 0.2 ],
                        [ 0.3, 0.3, 0.3, 0.3, 0.3, 0.3 ],
                        [ 0.4, 0.4, 0.4, 0.4, 0.4, 0.4 ],
                        [ 0.5, 0.5, 0.5, 0.5, 0.5, 0.5 ]
                    ]
                ],
                [
                    [ 0, 1, 2, 3 ],
                    [
                        [ 0.1, 0.1, 0.1, 0.1, 0.1, 0.1 ],
                        [ 0.2, 0.2, 0.2, 0.2, 0.2, 0.2 ],
                        [ 0.3, 0.3, 0.3, 0.3, 0.3, 0.3 ],
                        [ 0.4, 0.4, 0.4, 0.4, 0.4, 0.4 ],
                        [ 0.5, 0.5, 0.5, 0.5, 0.5, 0.5 ]
                    ]
                ]
            ]
        }
    },
    "datatypes": {
        "a93ff089-d466-44e7-b3f0-09db34ec2ef5": {
             "type": {
                "class": "H5T_COMPOUND",
                "fields": [
                    {
                        "name": "a",
                        "type": {
                            "class": "H5T_ARRAY",
                            "base": {
                                "class": "H5T_INTEGER",
                                "base": "H5T_STD_I32BE"
                            },
                            "dims": [4]
                        }
                    },
                    {
                        "name": "b",
                        "type": {
                            "class": "H5T_ARRAY",
                            "base": {
                                "class": "H5T_FLOAT",
                                "base": "H5T_IEEE_F32BE"
                            },
                            "dims": [5, 6]
                        }
                    }
                ]
            }
        }
    }
}