"
]
},
"execution_count": 12,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"sub4 = sub3.get_child('sentinel2_ard')\n",
"sub4"
]
},
{
"cell_type": "markdown",
"id": "47dd9208-e37d-4ac6-b8dc-7903841f3a6b",
"metadata": {},
"source": [
" \n",
"💭 Reflections \n",
"
\n",
"- Using pystac to access the EODH STAC catalogue was quite difficult, and required many lines of code!
\n",
"- Now, let's understand why using pyeodh is a better choice that makes accessing the data collection much simpler
\n",
"\n",
"
"
]
},
{
"cell_type": "markdown",
"id": "3a0edfcb-a0d6-4a64-9be7-a13cf8630f81",
"metadata": {},
"source": [
"## *pyeodh*"
]
},
{
"cell_type": "markdown",
"id": "0bcd9f15-cf81-41de-87ae-73b405efda89",
"metadata": {},
"source": [
"🔌 First, we reach the data Hub by connecting via the Python client."
]
},
{
"cell_type": "code",
"execution_count": 18,
"id": "ae23ac03-ce2f-497f-ae60-28e1e6b7319f",
"metadata": {},
"outputs": [],
"source": [
"client = pyeodh.Client(\n",
" base_url=\"https://eodatahub.org.uk\"\n",
").get_catalog_service()"
]
},
{
"cell_type": "markdown",
"id": "20dfa53b-2e83-4eaa-b55a-8de56704afb2",
"metadata": {},
"source": [
"#### Access a data collection with *pyeodh*\n",
"Using inbuild functions of the pyeodh package, we can quickly fetch the catalog and the collection we are looking for. Based on our printed directory structure, we already know the filepath ✅"
]
},
{
"cell_type": "code",
"execution_count": 22,
"id": "e99a5bd5-70b1-469d-bb17-804898c59834",
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
""
]
},
"execution_count": 22,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"s2ard = client.get_catalog(\"public/catalogs/ceda-stac-catalogue\").get_collection('sentinel2_ard')\n",
"s2ard"
]
},
{
"cell_type": "markdown",
"id": "04e60f9a-3dbc-49da-b375-c2331b72bf4e",
"metadata": {},
"source": [
"Immediately we can print some items, so we know that we have successfully found our data collection! 🏅"
]
},
{
"cell_type": "code",
"execution_count": 23,
"id": "094f2e02-772f-4883-b774-694634c87923",
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"neodc.sentinel_ard.data.sentinel_2.2026.02.12.S2A_20260212_latn608lonw0002_T30VXN_ORB037_20260212145709_utm30n_osgb\n",
"neodc.sentinel_ard.data.sentinel_2.2026.02.12.S2B_20260212_latn608lonw0002_T30VXN_ORB037_20260212145332_utm30n_osgb\n",
"neodc.sentinel_ard.data.sentinel_2.2026.02.12.S2B_20260212_latn599lonw0020_T30VWM_ORB037_20260212145332_utm30n_osgb\n",
"neodc.sentinel_ard.data.sentinel_2.2026.02.12.S2B_20260212_latn599lonw0002_T30VXM_ORB037_20260212145332_utm30n_osgb\n",
"neodc.sentinel_ard.data.sentinel_2.2026.02.12.S2B_20260212_latn590lonw0020_T30VWL_ORB037_20260212145332_utm30n_osgb\n",
"neodc.sentinel_ard.data.sentinel_2.2026.02.12.S2B_20260212_latn572lonw0037_T30VVJ_ORB037_20260212145332_utm30n_osgb\n",
"neodc.sentinel_ard.data.sentinel_2.2026.02.12.S2B_20260212_latn510lonw0036_T30UVB_ORB037_20260212145332_utm30n_osgb\n",
"neodc.sentinel_ard.data.sentinel_2.2026.02.11.S2C_20260211_latn509lonw0008_T30UXB_ORB094_20260211125907_utm30n_osgb\n",
"neodc.sentinel_ard.data.sentinel_2.2026.02.11.S2C_20260211_latn509lone0009_T31UCS_ORB094_20260211125907_utm31n_osgb\n",
"neodc.sentinel_ard.data.sentinel_2.2026.02.11.S2C_20260211_latn509lone0006_T30UYB_ORB094_20260211125907_utm30n_osgb\n"
]
}
],
"source": [
"items = s2ard.get_items()\n",
"\n",
"# Warning: without the limit to 10 items this will take a long time for large catalogues such as s2ard\n",
"for item in items[:10]:\n",
" print(item.id)"
]
},
{
"cell_type": "code",
"execution_count": null,
"id": "f13bee49-9723-4a79-88e1-e9adf4e3b21b",
"metadata": {},
"outputs": [],
"source": []
}
],
"metadata": {
"kernelspec": {
"display_name": "Python 3 (ipykernel)",
"language": "python",
"name": "python3"
},
"language_info": {
"codemirror_mode": {
"name": "ipython",
"version": 3
},
"file_extension": ".py",
"mimetype": "text/x-python",
"name": "python",
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