datasets/alos-palsar/alos-palsar-example.ipynb

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   "source": [
    "## Using ALOS PALSAR and Forest/Non-Forest Annual Mosaics with the Planetary Computer STAC API"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "c8ec9787-3870-47d3-8b0c-38e2407e08b9",
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   "source": [
    "ALOS PALSAR Annual Mosaic consists of radar backscatter in the HH and HV with additional bands for ancillary information about incidince angle, masking, and date of acquisition (per pixel).\n",
    "\n",
    "For this example we'll find a 1x1 degree data tile with a diversity of values, and plot the HH, HV and matching Forest Classification."
   ]
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   "execution_count": 1,
   "id": "051fa411-8bdb-43aa-8572-1b17262a1b70",
   "metadata": {},
   "outputs": [],
   "source": [
    "import numpy as np\n",
    "import planetary_computer\n",
    "import stackstac\n",
    "import pystac_client"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "559bb25e-b9ba-4c1f-b77b-8044268a635d",
   "metadata": {},
   "source": [
    "### Polarization Returns\n",
    "\n",
    "We'll use the Planetary Computer's STAC API to find some scenes matching our area of interest. See [reading STAC](https://planetarycomputer.microsoft.com/docs/quickstarts/reading-stac/) for more."
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 2,
   "id": "2607dea7-7698-47b2-a4fc-6acbc52ec41f",
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Returned 21 items\n"
     ]
    }
   ],
   "source": [
    "bbox = [9.4, 0, 9.5, 1]\n",
    "client = pystac_client.Client.open(\n",
    "    \"https://planetarycomputer.microsoft.com/api/stac/v1/\",\n",
    "    modifier=planetary_computer.sign_inplace,\n",
    ")\n",
    "search = client.search(\n",
    "    collections=[\"alos-palsar-mosaic\"],\n",
    "    bbox=bbox,\n",
    ")\n",
    "items = search.get_all_items()\n",
    "print(f\"Returned {len(items)} items\")"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "e6657b7d-0992-45f3-919e-c79c662092b8",
   "metadata": {},
   "source": [
    "Each of these items has a handful of assets."
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 3,
   "id": "7f205ba6-a343-4d6d-a7f2-c37afa43547b",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "['HH',\n",
       " 'HV',\n",
       " 'date',\n",
       " 'mask',\n",
       " 'linci',\n",
       " 'metadata',\n",
       " 'tilejson',\n",
       " 'rendered_preview']"
      ]
     },
     "execution_count": 3,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "item = items[0]\n",
    "list(item.assets)"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "859b7032-e5ff-4465-b0c7-3fd070a1d0bc",
   "metadata": {},
   "source": [
    "We'll select the first item and load it into xarray using stackstac. Note that the underlying data have a `uint16` dtype, so we specify that when creating the `DataArray`."
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 4,
   "id": "bd018379-521b-4ebc-8431-0d0819f3a50a",
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   "outputs": [
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       "</style><pre class='xr-text-repr-fallback'>&lt;xarray.DataArray &#x27;stackstac-b5527c8f84caeaa9e8fdeda44c6927ed&#x27; (band: 2,\n",
       "                                                                y: 4501, x: 4500)&gt;\n",
       "dask.array&lt;getitem, shape=(2, 4501, 4500), dtype=uint16, chunksize=(1, 1024, 1024), chunktype=numpy.ndarray&gt;\n",
       "Coordinates: (12/27)\n",
       "    time                            datetime64[ns] 2021-01-01\n",
       "    id                              &lt;U21 &#x27;N02E009_21_F02DAR_MOS&#x27;\n",
       "  * band                            (band) &lt;U2 &#x27;HH&#x27; &#x27;HV&#x27;\n",
       "  * x                               (x) float64 9.0 9.0 9.0 ... 9.999 10.0 10.0\n",
       "  * y                               (y) float64 2.0 2.0 2.0 ... 1.001 1.0 1.0\n",
       "    cf                              &lt;U7 &#x27;83.0 dB&#x27;\n",
       "    ...                              ...\n",
       "    description                     &lt;U20 &#x27;Annual PALSAR Mosaic&#x27;\n",
       "    sar:instrument_mode             &lt;U1 &#x27;F&#x27;\n",
       "    end_datetime                    &lt;U20 &#x27;2021-12-31T23:59:59Z&#x27;\n",
       "    title                           (band) &lt;U2 &#x27;HH&#x27; &#x27;HV&#x27;\n",
       "    raster:bands                    object {&#x27;nodata&#x27;: 1, &#x27;data_type&#x27;: &#x27;uint16&#x27;}\n",
       "    epsg                            int64 4326\n",
       "Attributes:\n",
       "    spec:        RasterSpec(epsg=4326, bounds=(9.0, 1.0, 10.0, 2.000222222222...\n",
       "    crs:         epsg:4326\n",
       "    transform:   | 0.00, 0.00, 9.00|\\n| 0.00,-0.00, 2.00|\\n| 0.00, 0.00, 1.00|\n",
       "    resolution:  0.00022222222222222223</pre><div class='xr-wrap' style='display:none'><div class='xr-header'><div class='xr-obj-type'>xarray.DataArray</div><div class='xr-array-name'>'stackstac-b5527c8f84caeaa9e8fdeda44c6927ed'</div><ul class='xr-dim-list'><li><span class='xr-has-index'>band</span>: 2</li><li><span class='xr-has-index'>y</span>: 4501</li><li><span class='xr-has-index'>x</span>: 4500</li></ul></div><ul class='xr-sections'><li class='xr-section-item'><div class='xr-array-wrap'><input id='section-c4564382-2c3b-4a31-82ba-feceb05ca954' class='xr-array-in' type='checkbox' checked><label for='section-c4564382-2c3b-4a31-82ba-feceb05ca954' title='Show/hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-array-preview xr-preview'><span>dask.array&lt;chunksize=(1, 1024, 1024), meta=np.ndarray&gt;</span></div><div class='xr-array-data'><table>\n",
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       "  <line x1=\"10\" y1=\"27\" x2=\"24\" y2=\"42\" />\n",
       "  <line x1=\"10\" y1=\"54\" x2=\"24\" y2=\"69\" />\n",
       "  <line x1=\"10\" y1=\"81\" x2=\"24\" y2=\"96\" />\n",
       "  <line x1=\"10\" y1=\"109\" x2=\"24\" y2=\"124\" />\n",
       "  <line x1=\"10\" y1=\"120\" x2=\"24\" y2=\"134\" style=\"stroke-width:2\" />\n",
       "\n",
       "  <!-- Vertical lines -->\n",
       "  <line x1=\"10\" y1=\"0\" x2=\"10\" y2=\"120\" style=\"stroke-width:2\" />\n",
       "  <line x1=\"17\" y1=\"7\" x2=\"17\" y2=\"127\" />\n",
       "  <line x1=\"24\" y1=\"14\" x2=\"24\" y2=\"134\" style=\"stroke-width:2\" />\n",
       "\n",
       "  <!-- Colored Rectangle -->\n",
       "  <polygon points=\"10.0,0.0 24.9485979497544,14.948597949754403 24.9485979497544,134.9485979497544 10.0,120.0\" style=\"fill:#ECB172A0;stroke-width:0\"/>\n",
       "\n",
       "  <!-- Horizontal lines -->\n",
       "  <line x1=\"10\" y1=\"0\" x2=\"129\" y2=\"0\" style=\"stroke-width:2\" />\n",
       "  <line x1=\"17\" y1=\"7\" x2=\"137\" y2=\"7\" />\n",
       "  <line x1=\"24\" y1=\"14\" x2=\"144\" y2=\"14\" style=\"stroke-width:2\" />\n",
       "\n",
       "  <!-- Vertical lines -->\n",
       "  <line x1=\"10\" y1=\"0\" x2=\"24\" y2=\"14\" style=\"stroke-width:2\" />\n",
       "  <line x1=\"37\" y1=\"0\" x2=\"52\" y2=\"14\" />\n",
       "  <line x1=\"64\" y1=\"0\" x2=\"79\" y2=\"14\" />\n",
       "  <line x1=\"91\" y1=\"0\" x2=\"106\" y2=\"14\" />\n",
       "  <line x1=\"119\" y1=\"0\" x2=\"134\" y2=\"14\" />\n",
       "  <line x1=\"129\" y1=\"0\" x2=\"144\" y2=\"14\" style=\"stroke-width:2\" />\n",
       "\n",
       "  <!-- Colored Rectangle -->\n",
       "  <polygon points=\"10.0,0.0 129.9733392579427,0.0 144.9219372076971,14.948597949754403 24.9485979497544,14.948597949754403\" style=\"fill:#ECB172A0;stroke-width:0\"/>\n",
       "\n",
       "  <!-- Horizontal lines -->\n",
       "  <line x1=\"24\" y1=\"14\" x2=\"144\" y2=\"14\" style=\"stroke-width:2\" />\n",
       "  <line x1=\"24\" y1=\"42\" x2=\"144\" y2=\"42\" />\n",
       "  <line x1=\"24\" y1=\"69\" x2=\"144\" y2=\"69\" />\n",
       "  <line x1=\"24\" y1=\"96\" x2=\"144\" y2=\"96\" />\n",
       "  <line x1=\"24\" y1=\"124\" x2=\"144\" y2=\"124\" />\n",
       "  <line x1=\"24\" y1=\"134\" x2=\"144\" y2=\"134\" style=\"stroke-width:2\" />\n",
       "\n",
       "  <!-- Vertical lines -->\n",
       "  <line x1=\"24\" y1=\"14\" x2=\"24\" y2=\"134\" style=\"stroke-width:2\" />\n",
       "  <line x1=\"52\" y1=\"14\" x2=\"52\" y2=\"134\" />\n",
       "  <line x1=\"79\" y1=\"14\" x2=\"79\" y2=\"134\" />\n",
       "  <line x1=\"106\" y1=\"14\" x2=\"106\" y2=\"134\" />\n",
       "  <line x1=\"134\" y1=\"14\" x2=\"134\" y2=\"134\" />\n",
       "  <line x1=\"144\" y1=\"14\" x2=\"144\" y2=\"134\" style=\"stroke-width:2\" />\n",
       "\n",
       "  <!-- Colored Rectangle -->\n",
       "  <polygon points=\"24.9485979497544,14.948597949754403 144.9219372076971,14.948597949754403 144.9219372076971,134.9485979497544 24.9485979497544,134.9485979497544\" style=\"fill:#ECB172A0;stroke-width:0\"/>\n",
       "\n",
       "  <!-- Text -->\n",
       "  <text x=\"84.935268\" y=\"154.948598\" font-size=\"1.0rem\" font-weight=\"100\" text-anchor=\"middle\" >4500</text>\n",
       "  <text x=\"164.921937\" y=\"74.948598\" font-size=\"1.0rem\" font-weight=\"100\" text-anchor=\"middle\" transform=\"rotate(-90,164.921937,74.948598)\">4501</text>\n",
       "  <text x=\"7.474299\" y=\"147.474299\" font-size=\"1.0rem\" font-weight=\"100\" text-anchor=\"middle\" transform=\"rotate(45,7.474299,147.474299)\">2</text>\n",
       "</svg>\n",
       "        </td>\n",
       "    </tr>\n",
       "</table></div></div></li><li class='xr-section-item'><input id='section-4189c7d1-9504-4ad4-8f92-07f132819a05' class='xr-section-summary-in' type='checkbox'  ><label for='section-4189c7d1-9504-4ad4-8f92-07f132819a05' class='xr-section-summary' >Coordinates: <span>(27)</span></label><div class='xr-section-inline-details'></div><div class='xr-section-details'><ul class='xr-var-list'><li class='xr-var-item'><div class='xr-var-name'><span>time</span></div><div class='xr-var-dims'>()</div><div class='xr-var-dtype'>datetime64[ns]</div><div class='xr-var-preview xr-preview'>2021-01-01</div><input id='attrs-e4115d66-f385-4bc3-96e8-82d1df020c34' class='xr-var-attrs-in' type='checkbox' disabled><label for='attrs-e4115d66-f385-4bc3-96e8-82d1df020c34' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-55ee1510-46d0-4a4c-96e3-0905f69724eb' class='xr-var-data-in' type='checkbox'><label for='data-55ee1510-46d0-4a4c-96e3-0905f69724eb' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'></dl></div><div class='xr-var-data'><pre>array(&#x27;2021-01-01T00:00:00.000000000&#x27;, dtype=&#x27;datetime64[ns]&#x27;)</pre></div></li><li class='xr-var-item'><div class='xr-var-name'><span>id</span></div><div class='xr-var-dims'>()</div><div class='xr-var-dtype'>&lt;U21</div><div class='xr-var-preview xr-preview'>&#x27;N02E009_21_F02DAR_MOS&#x27;</div><input id='attrs-59be729f-6150-46d7-8ea6-ee236cc3ed36' class='xr-var-attrs-in' type='checkbox' disabled><label for='attrs-59be729f-6150-46d7-8ea6-ee236cc3ed36' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-046b1241-960c-46d3-afaf-6dd245642fae' class='xr-var-data-in' type='checkbox'><label for='data-046b1241-960c-46d3-afaf-6dd245642fae' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'></dl></div><div class='xr-var-data'><pre>array(&#x27;N02E009_21_F02DAR_MOS&#x27;, dtype=&#x27;&lt;U21&#x27;)</pre></div></li><li class='xr-var-item'><div class='xr-var-name'><span class='xr-has-index'>band</span></div><div class='xr-var-dims'>(band)</div><div class='xr-var-dtype'>&lt;U2</div><div class='xr-var-preview xr-preview'>&#x27;HH&#x27; &#x27;HV&#x27;</div><input id='attrs-c32adf76-9d9b-4e0d-a0ac-75c5eb1383dc' class='xr-var-attrs-in' type='checkbox' disabled><label for='attrs-c32adf76-9d9b-4e0d-a0ac-75c5eb1383dc' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-6ff19151-7d0c-4181-9acb-a5eedf0ac03a' class='xr-var-data-in' type='checkbox'><label for='data-6ff19151-7d0c-4181-9acb-a5eedf0ac03a' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'></dl></div><div class='xr-var-data'><pre>array([&#x27;HH&#x27;, &#x27;HV&#x27;], dtype=&#x27;&lt;U2&#x27;)</pre></div></li><li class='xr-var-item'><div class='xr-var-name'><span class='xr-has-index'>x</span></div><div class='xr-var-dims'>(x)</div><div class='xr-var-dtype'>float64</div><div class='xr-var-preview xr-preview'>9.0 9.0 9.0 ... 9.999 10.0 10.0</div><input id='attrs-2b82f227-e50f-4dc7-b169-cf16dd496519' class='xr-var-attrs-in' type='checkbox' disabled><label for='attrs-2b82f227-e50f-4dc7-b169-cf16dd496519' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-94675b4e-c6a3-475a-82f0-fdf3db9104a9' class='xr-var-data-in' type='checkbox'><label for='data-94675b4e-c6a3-475a-82f0-fdf3db9104a9' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'></dl></div><div class='xr-var-data'><pre>array([9.      , 9.000222, 9.000444, ..., 9.999333, 9.999556, 9.999778])</pre></div></li><li class='xr-var-item'><div class='xr-var-name'><span class='xr-has-index'>y</span></div><div class='xr-var-dims'>(y)</div><div class='xr-var-dtype'>float64</div><div class='xr-var-preview xr-preview'>2.0 2.0 2.0 2.0 ... 1.001 1.0 1.0</div><input id='attrs-7994e21e-5b96-4d18-a2fb-b697c8e52336' class='xr-var-attrs-in' type='checkbox' disabled><label for='attrs-7994e21e-5b96-4d18-a2fb-b697c8e52336' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-4958236f-31f9-415f-9986-63df7ee08cc2' class='xr-var-data-in' type='checkbox'><label for='data-4958236f-31f9-415f-9986-63df7ee08cc2' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'></dl></div><div class='xr-var-data'><pre>array([2.000222, 2.      , 1.999778, ..., 1.000667, 1.000444, 1.000222])</pre></div></li><li class='xr-var-item'><div class='xr-var-name'><span>cf</span></div><div class='xr-var-dims'>()</div><div class='xr-var-dtype'>&lt;U7</div><div class='xr-var-preview xr-preview'>&#x27;83.0 dB&#x27;</div><input id='attrs-4e9f3f01-d428-44b3-a7d1-95667088c830' class='xr-var-attrs-in' type='checkbox' disabled><label for='attrs-4e9f3f01-d428-44b3-a7d1-95667088c830' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-051a5d94-6c14-432b-ab20-2e8368c77aa4' class='xr-var-data-in' type='checkbox'><label for='data-051a5d94-6c14-432b-ab20-2e8368c77aa4' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'></dl></div><div class='xr-var-data'><pre>array(&#x27;83.0 dB&#x27;, dtype=&#x27;&lt;U7&#x27;)</pre></div></li><li class='xr-var-item'><div class='xr-var-name'><span>palsar:number_of_polarizations</span></div><div class='xr-var-dims'>()</div><div class='xr-var-dtype'>&lt;U1</div><div class='xr-var-preview xr-preview'>&#x27;D&#x27;</div><input id='attrs-984704f8-bbe3-4a03-91f5-d9183b4518f7' class='xr-var-attrs-in' type='checkbox' disabled><label for='attrs-984704f8-bbe3-4a03-91f5-d9183b4518f7' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-3e56430c-2f13-4f44-b9e3-70cce9410a1c' class='xr-var-data-in' type='checkbox'><label for='data-3e56430c-2f13-4f44-b9e3-70cce9410a1c' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'></dl></div><div class='xr-var-data'><pre>array(&#x27;D&#x27;, dtype=&#x27;&lt;U1&#x27;)</pre></div></li><li class='xr-var-item'><div class='xr-var-name'><span>sar:product_type</span></div><div class='xr-var-dims'>()</div><div class='xr-var-dtype'>&lt;U3</div><div class='xr-var-preview xr-preview'>&#x27;GTC&#x27;</div><input id='attrs-69b4b7ba-efe6-4050-8a55-0eadaeaa5873' class='xr-var-attrs-in' type='checkbox' disabled><label for='attrs-69b4b7ba-efe6-4050-8a55-0eadaeaa5873' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-fe85aae0-6be9-4c92-9ea6-73e4a9128fb3' class='xr-var-data-in' type='checkbox'><label for='data-fe85aae0-6be9-4c92-9ea6-73e4a9128fb3' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'></dl></div><div class='xr-var-data'><pre>array(&#x27;GTC&#x27;, dtype=&#x27;&lt;U3&#x27;)</pre></div></li><li class='xr-var-item'><div class='xr-var-name'><span>proj:shape</span></div><div class='xr-var-dims'>()</div><div class='xr-var-dtype'>object</div><div class='xr-var-preview xr-preview'>{4500}</div><input id='attrs-6dc63010-9b53-4778-8e5e-aef462ac38d6' class='xr-var-attrs-in' type='checkbox' disabled><label for='attrs-6dc63010-9b53-4778-8e5e-aef462ac38d6' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-71e06f58-c425-480f-b5f8-8ee5b91dd629' class='xr-var-data-in' type='checkbox'><label for='data-71e06f58-c425-480f-b5f8-8ee5b91dd629' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'></dl></div><div class='xr-var-data'><pre>array({4500}, dtype=object)</pre></div></li><li class='xr-var-item'><div class='xr-var-name'><span>sar:observation_direction</span></div><div class='xr-var-dims'>()</div><div class='xr-var-dtype'>&lt;U5</div><div class='xr-var-preview xr-preview'>&#x27;right&#x27;</div><input id='attrs-0a454ed0-8c30-4710-9a10-1e2365852b90' class='xr-var-attrs-in' type='checkbox' disabled><label for='attrs-0a454ed0-8c30-4710-9a10-1e2365852b90' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-2298fa59-29eb-4034-b3be-e55d838ae565' class='xr-var-data-in' type='checkbox'><label for='data-2298fa59-29eb-4034-b3be-e55d838ae565' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'></dl></div><div class='xr-var-data'><pre>array(&#x27;right&#x27;, dtype=&#x27;&lt;U5&#x27;)</pre></div></li><li class='xr-var-item'><div class='xr-var-name'><span>instruments</span></div><div class='xr-var-dims'>()</div><div class='xr-var-dtype'>&lt;U8</div><div class='xr-var-preview xr-preview'>&#x27;PALSAR-2&#x27;</div><input id='attrs-af1d4a77-4262-4f5e-8523-29d575184ebf' class='xr-var-attrs-in' type='checkbox' disabled><label for='attrs-af1d4a77-4262-4f5e-8523-29d575184ebf' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-3d54ab97-9838-4be2-bc55-0fb41443fbf5' class='xr-var-data-in' type='checkbox'><label for='data-3d54ab97-9838-4be2-bc55-0fb41443fbf5' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'></dl></div><div class='xr-var-data'><pre>array(&#x27;PALSAR-2&#x27;, dtype=&#x27;&lt;U8&#x27;)</pre></div></li><li class='xr-var-item'><div class='xr-var-name'><span>palsar:beam_number</span></div><div class='xr-var-dims'>()</div><div class='xr-var-dtype'>&lt;U2</div><div class='xr-var-preview xr-preview'>&#x27;02&#x27;</div><input id='attrs-5a48c07a-e229-4709-82bb-fe575e52afc2' class='xr-var-attrs-in' type='checkbox' disabled><label for='attrs-5a48c07a-e229-4709-82bb-fe575e52afc2' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-b3ab0d45-65b9-4541-a87b-3ddca5853117' class='xr-var-data-in' type='checkbox'><label for='data-b3ab0d45-65b9-4541-a87b-3ddca5853117' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'></dl></div><div class='xr-var-data'><pre>array(&#x27;02&#x27;, dtype=&#x27;&lt;U2&#x27;)</pre></div></li><li class='xr-var-item'><div class='xr-var-name'><span>sat:orbit_state</span></div><div class='xr-var-dims'>()</div><div class='xr-var-dtype'>&lt;U9</div><div class='xr-var-preview xr-preview'>&#x27;ascending&#x27;</div><input id='attrs-c8c092f8-d606-485d-a92f-40ad25419beb' class='xr-var-attrs-in' type='checkbox' disabled><label for='attrs-c8c092f8-d606-485d-a92f-40ad25419beb' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-00122447-bf29-4818-9989-7a204cae3814' class='xr-var-data-in' type='checkbox'><label for='data-00122447-bf29-4818-9989-7a204cae3814' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'></dl></div><div class='xr-var-data'><pre>array(&#x27;ascending&#x27;, dtype=&#x27;&lt;U9&#x27;)</pre></div></li><li class='xr-var-item'><div class='xr-var-name'><span>start_datetime</span></div><div class='xr-var-dims'>()</div><div class='xr-var-dtype'>&lt;U20</div><div class='xr-var-preview xr-preview'>&#x27;2021-01-01T00:00:00Z&#x27;</div><input id='attrs-6b5f041f-0185-40a9-9e4a-31855c28cdd9' class='xr-var-attrs-in' type='checkbox' disabled><label for='attrs-6b5f041f-0185-40a9-9e4a-31855c28cdd9' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-1d80c89b-a7bd-4623-9366-c7d091de1f21' class='xr-var-data-in' type='checkbox'><label for='data-1d80c89b-a7bd-4623-9366-c7d091de1f21' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'></dl></div><div class='xr-var-data'><pre>array(&#x27;2021-01-01T00:00:00Z&#x27;, dtype=&#x27;&lt;U20&#x27;)</pre></div></li><li class='xr-var-item'><div class='xr-var-name'><span>sar:polarizations</span></div><div class='xr-var-dims'>()</div><div class='xr-var-dtype'>object</div><div class='xr-var-preview xr-preview'>{&#x27;HV&#x27;, &#x27;HH&#x27;}</div><input id='attrs-c97bf0fe-78e3-41de-b6d1-89e4cf2339c9' class='xr-var-attrs-in' type='checkbox' disabled><label for='attrs-c97bf0fe-78e3-41de-b6d1-89e4cf2339c9' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-b05c8e8a-9f2b-4129-8d7a-647955479122' class='xr-var-data-in' type='checkbox'><label for='data-b05c8e8a-9f2b-4129-8d7a-647955479122' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'></dl></div><div class='xr-var-data'><pre>array({&#x27;HV&#x27;, &#x27;HH&#x27;}, dtype=object)</pre></div></li><li class='xr-var-item'><div class='xr-var-name'><span>platform</span></div><div class='xr-var-dims'>()</div><div class='xr-var-dtype'>&lt;U6</div><div class='xr-var-preview xr-preview'>&#x27;ALOS-2&#x27;</div><input id='attrs-9ff4a328-dc02-4c80-942e-267b20bc4622' class='xr-var-attrs-in' type='checkbox' disabled><label for='attrs-9ff4a328-dc02-4c80-942e-267b20bc4622' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-a9c23fce-116c-4ba3-90b9-1ec350d1d9e8' class='xr-var-data-in' type='checkbox'><label for='data-a9c23fce-116c-4ba3-90b9-1ec350d1d9e8' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'></dl></div><div class='xr-var-data'><pre>array(&#x27;ALOS-2&#x27;, dtype=&#x27;&lt;U6&#x27;)</pre></div></li><li class='xr-var-item'><div class='xr-var-name'><span>proj:transform</span></div><div class='xr-var-dims'>()</div><div class='xr-var-dtype'>object</div><div class='xr-var-preview xr-preview'>{0.0, 1.0, 2.0000000000000004, 0...</div><input id='attrs-955c4d7f-a297-4930-86d2-bd01f220f842' class='xr-var-attrs-in' type='checkbox' disabled><label for='attrs-955c4d7f-a297-4930-86d2-bd01f220f842' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-06988184-02ea-4a5c-bb96-8dc3e0ec95b7' class='xr-var-data-in' type='checkbox'><label for='data-06988184-02ea-4a5c-bb96-8dc3e0ec95b7' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'></dl></div><div class='xr-var-data'><pre>array({0.0, 1.0, 2.0000000000000004, 0.00022222222222222223, 9.0, -0.00022222222222222223},\n",
       "      dtype=object)</pre></div></li><li class='xr-var-item'><div class='xr-var-name'><span>sar:frequency_band</span></div><div class='xr-var-dims'>()</div><div class='xr-var-dtype'>&lt;U1</div><div class='xr-var-preview xr-preview'>&#x27;L&#x27;</div><input id='attrs-b61a20ff-5256-4dc8-8403-63b89649f023' class='xr-var-attrs-in' type='checkbox' disabled><label for='attrs-b61a20ff-5256-4dc8-8403-63b89649f023' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-d20bc256-945c-47bc-b9f9-02c038d2ec03' class='xr-var-data-in' type='checkbox'><label for='data-d20bc256-945c-47bc-b9f9-02c038d2ec03' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'></dl></div><div class='xr-var-data'><pre>array(&#x27;L&#x27;, dtype=&#x27;&lt;U1&#x27;)</pre></div></li><li class='xr-var-item'><div class='xr-var-name'><span>proj:bbox</span></div><div class='xr-var-dims'>()</div><div class='xr-var-dtype'>object</div><div class='xr-var-preview xr-preview'>{9.0, 10.0, 2.0000000000000004, ...</div><input id='attrs-497b3c68-d62f-47aa-9757-98a4d4425726' class='xr-var-attrs-in' type='checkbox' disabled><label for='attrs-497b3c68-d62f-47aa-9757-98a4d4425726' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-91999f6e-510b-4024-ab4a-8e996bb1b454' class='xr-var-data-in' type='checkbox'><label for='data-91999f6e-510b-4024-ab4a-8e996bb1b454' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'></dl></div><div class='xr-var-data'><pre>array({9.0, 10.0, 2.0000000000000004, 1.0000000000000004}, dtype=object)</pre></div></li><li class='xr-var-item'><div class='xr-var-name'><span>proj:epsg</span></div><div class='xr-var-dims'>()</div><div class='xr-var-dtype'>int64</div><div class='xr-var-preview xr-preview'>4326</div><input id='attrs-b12d7870-fc43-4902-a0fa-856e8117e2b8' class='xr-var-attrs-in' type='checkbox' disabled><label for='attrs-b12d7870-fc43-4902-a0fa-856e8117e2b8' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-36fc9de2-d739-4e24-970c-80b39b058bf5' class='xr-var-data-in' type='checkbox'><label for='data-36fc9de2-d739-4e24-970c-80b39b058bf5' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'></dl></div><div class='xr-var-data'><pre>array(4326)</pre></div></li><li class='xr-var-item'><div class='xr-var-name'><span>gsd</span></div><div class='xr-var-dims'>()</div><div class='xr-var-dtype'>int64</div><div class='xr-var-preview xr-preview'>25</div><input id='attrs-4169e176-aa78-4c87-b2c4-7212148cbd8f' class='xr-var-attrs-in' type='checkbox' disabled><label for='attrs-4169e176-aa78-4c87-b2c4-7212148cbd8f' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-0f30760e-23f4-4ded-99bf-1a7d2d458bdb' class='xr-var-data-in' type='checkbox'><label for='data-0f30760e-23f4-4ded-99bf-1a7d2d458bdb' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'></dl></div><div class='xr-var-data'><pre>array(25)</pre></div></li><li class='xr-var-item'><div class='xr-var-name'><span>description</span></div><div class='xr-var-dims'>()</div><div class='xr-var-dtype'>&lt;U20</div><div class='xr-var-preview xr-preview'>&#x27;Annual PALSAR Mosaic&#x27;</div><input id='attrs-96fe6887-a1c3-4b20-8606-a78d5bf47827' class='xr-var-attrs-in' type='checkbox' disabled><label for='attrs-96fe6887-a1c3-4b20-8606-a78d5bf47827' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-fa8f47b7-50e6-4008-ad19-9b5c6945f508' class='xr-var-data-in' type='checkbox'><label for='data-fa8f47b7-50e6-4008-ad19-9b5c6945f508' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'></dl></div><div class='xr-var-data'><pre>array(&#x27;Annual PALSAR Mosaic&#x27;, dtype=&#x27;&lt;U20&#x27;)</pre></div></li><li class='xr-var-item'><div class='xr-var-name'><span>sar:instrument_mode</span></div><div class='xr-var-dims'>()</div><div class='xr-var-dtype'>&lt;U1</div><div class='xr-var-preview xr-preview'>&#x27;F&#x27;</div><input id='attrs-72ad5ea6-347f-408b-a725-975c0aff0f2a' class='xr-var-attrs-in' type='checkbox' disabled><label for='attrs-72ad5ea6-347f-408b-a725-975c0aff0f2a' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-cadd4213-ac48-4392-afd6-a35e574ac470' class='xr-var-data-in' type='checkbox'><label for='data-cadd4213-ac48-4392-afd6-a35e574ac470' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'></dl></div><div class='xr-var-data'><pre>array(&#x27;F&#x27;, dtype=&#x27;&lt;U1&#x27;)</pre></div></li><li class='xr-var-item'><div class='xr-var-name'><span>end_datetime</span></div><div class='xr-var-dims'>()</div><div class='xr-var-dtype'>&lt;U20</div><div class='xr-var-preview xr-preview'>&#x27;2021-12-31T23:59:59Z&#x27;</div><input id='attrs-877082ec-fdea-4d1f-baec-6025f5b93017' class='xr-var-attrs-in' type='checkbox' disabled><label for='attrs-877082ec-fdea-4d1f-baec-6025f5b93017' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-fb100026-19c2-4734-8459-69b8cb0476af' class='xr-var-data-in' type='checkbox'><label for='data-fb100026-19c2-4734-8459-69b8cb0476af' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'></dl></div><div class='xr-var-data'><pre>array(&#x27;2021-12-31T23:59:59Z&#x27;, dtype=&#x27;&lt;U20&#x27;)</pre></div></li><li class='xr-var-item'><div class='xr-var-name'><span>title</span></div><div class='xr-var-dims'>(band)</div><div class='xr-var-dtype'>&lt;U2</div><div class='xr-var-preview xr-preview'>&#x27;HH&#x27; &#x27;HV&#x27;</div><input id='attrs-1078a26d-09ec-4618-981f-48b165f011ac' class='xr-var-attrs-in' type='checkbox' disabled><label for='attrs-1078a26d-09ec-4618-981f-48b165f011ac' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-b30c92d2-688d-40b9-9533-82da86e4db9a' class='xr-var-data-in' type='checkbox'><label for='data-b30c92d2-688d-40b9-9533-82da86e4db9a' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'></dl></div><div class='xr-var-data'><pre>array([&#x27;HH&#x27;, &#x27;HV&#x27;], dtype=&#x27;&lt;U2&#x27;)</pre></div></li><li class='xr-var-item'><div class='xr-var-name'><span>raster:bands</span></div><div class='xr-var-dims'>()</div><div class='xr-var-dtype'>object</div><div class='xr-var-preview xr-preview'>{&#x27;nodata&#x27;: 1, &#x27;data_type&#x27;: &#x27;uint...</div><input id='attrs-a5dc75e5-8630-4e99-bf91-0b1bade5b82b' class='xr-var-attrs-in' type='checkbox' disabled><label for='attrs-a5dc75e5-8630-4e99-bf91-0b1bade5b82b' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-8c1a86fb-d21b-48e6-b1c9-90a3c1f6f65d' class='xr-var-data-in' type='checkbox'><label for='data-8c1a86fb-d21b-48e6-b1c9-90a3c1f6f65d' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'></dl></div><div class='xr-var-data'><pre>array({&#x27;nodata&#x27;: 1, &#x27;data_type&#x27;: &#x27;uint16&#x27;}, dtype=object)</pre></div></li><li class='xr-var-item'><div class='xr-var-name'><span>epsg</span></div><div class='xr-var-dims'>()</div><div class='xr-var-dtype'>int64</div><div class='xr-var-preview xr-preview'>4326</div><input id='attrs-99fd5a86-9d2d-4065-8ba9-9faf99a2d34e' class='xr-var-attrs-in' type='checkbox' disabled><label for='attrs-99fd5a86-9d2d-4065-8ba9-9faf99a2d34e' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-d8db9843-4ebf-49bd-9619-27c3362413fc' class='xr-var-data-in' type='checkbox'><label for='data-d8db9843-4ebf-49bd-9619-27c3362413fc' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'></dl></div><div class='xr-var-data'><pre>array(4326)</pre></div></li></ul></div></li><li class='xr-section-item'><input id='section-585ee2e9-c8c1-4718-88a9-804128b960b4' class='xr-section-summary-in' type='checkbox'  checked><label for='section-585ee2e9-c8c1-4718-88a9-804128b960b4' class='xr-section-summary' >Attributes: <span>(4)</span></label><div class='xr-section-inline-details'></div><div class='xr-section-details'><dl class='xr-attrs'><dt><span>spec :</span></dt><dd>RasterSpec(epsg=4326, bounds=(9.0, 1.0, 10.0, 2.0002222222222223), resolutions_xy=(0.00022222222222222223, 0.00022222222222222223))</dd><dt><span>crs :</span></dt><dd>epsg:4326</dd><dt><span>transform :</span></dt><dd>| 0.00, 0.00, 9.00|\n",
       "| 0.00,-0.00, 2.00|\n",
       "| 0.00, 0.00, 1.00|</dd><dt><span>resolution :</span></dt><dd>0.00022222222222222223</dd></dl></div></li></ul></div></div>"
      ],
      "text/plain": [
       "<xarray.DataArray 'stackstac-b5527c8f84caeaa9e8fdeda44c6927ed' (band: 2,\n",
       "                                                                y: 4501, x: 4500)>\n",
       "dask.array<getitem, shape=(2, 4501, 4500), dtype=uint16, chunksize=(1, 1024, 1024), chunktype=numpy.ndarray>\n",
       "Coordinates: (12/27)\n",
       "    time                            datetime64[ns] 2021-01-01\n",
       "    id                              <U21 'N02E009_21_F02DAR_MOS'\n",
       "  * band                            (band) <U2 'HH' 'HV'\n",
       "  * x                               (x) float64 9.0 9.0 9.0 ... 9.999 10.0 10.0\n",
       "  * y                               (y) float64 2.0 2.0 2.0 ... 1.001 1.0 1.0\n",
       "    cf                              <U7 '83.0 dB'\n",
       "    ...                              ...\n",
       "    description                     <U20 'Annual PALSAR Mosaic'\n",
       "    sar:instrument_mode             <U1 'F'\n",
       "    end_datetime                    <U20 '2021-12-31T23:59:59Z'\n",
       "    title                           (band) <U2 'HH' 'HV'\n",
       "    raster:bands                    object {'nodata': 1, 'data_type': 'uint16'}\n",
       "    epsg                            int64 4326\n",
       "Attributes:\n",
       "    spec:        RasterSpec(epsg=4326, bounds=(9.0, 1.0, 10.0, 2.000222222222...\n",
       "    crs:         epsg:4326\n",
       "    transform:   | 0.00, 0.00, 9.00|\\n| 0.00,-0.00, 2.00|\\n| 0.00, 0.00, 1.00|\n",
       "    resolution:  0.00022222222222222223"
      ]
     },
     "execution_count": 4,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "data = stackstac.stack(\n",
    "    items[0],\n",
    "    assets=[\"HH\", \"HV\"],  # Both Polarizations\n",
    "    dtype=\"uint16\",\n",
    "    fill_value=0,\n",
    ").squeeze()\n",
    "data"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "13c9689b-868f-4433-a9fd-b0989be3834d",
   "metadata": {},
   "source": [
    "Most of the values are near zero, but there's a long tail."
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 5,
   "id": "18d48297-0de6-4695-8574-ede5cbec5102",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/html": [
       "<img src=\"https://ai4edatasetspublicassets.blob.core.windows.net/assets/notebook-output/datasets-alos-palsar-alos-palsar-example.ipynb/5.png\"/>"
      ],
      "text/plain": [
       "<Figure size 480x360 with 1 Axes>"
      ]
     },
     "metadata": {},
     "output_type": "display_data"
    }
   ],
   "source": [
    "data.sel(band=\"HH\").plot.hist(bins=100, size=5);"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 6,
   "id": "698b7bf4-65f1-41a1-9777-f96a249cbe1a",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/html": [
       "<img src=\"https://ai4edatasetspublicassets.blob.core.windows.net/assets/notebook-output/datasets-alos-palsar-alos-palsar-example.ipynb/6.png\"/>"
      ],
      "text/plain": [
       "<Figure size 864x576 with 2 Axes>"
      ]
     },
     "metadata": {},
     "output_type": "display_data"
    }
   ],
   "source": [
    "img = data.sel(band=\"HV\").plot(vmin=0, vmax=14000, size=8)\n",
    "img.axes.set_axis_off();"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "ba6be223-8edf-4592-8b45-423470ecf5d1",
   "metadata": {},
   "source": [
    "### Forest Classification\n",
    "\n",
    "ALOS Forest/Non-Forest Classification is derived from the ALOS PALSAR Annual Mosaic, and classifies the pixels to detect forest cover. We'll search for Forest / Non-Forest items covering the same area."
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 7,
   "id": "f36ce133-90c7-4fe0-a472-9517fae4d8a8",
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Returned 6 items\n"
     ]
    }
   ],
   "source": [
    "import shapely.geometry\n",
    "\n",
    "s = shapely.geometry.shape(item.geometry)\n",
    "intersects = shapely.geometry.mapping(s.centroid)\n",
    "\n",
    "search = client.search(collections=[\"alos-fnf-mosaic\"], intersects=intersects)\n",
    "fnf_items = search.get_all_items()\n",
    "print(f\"Returned {len(fnf_items)} items\")"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "fbf91d1c-92fe-4ed7-bd58-7d80f1264950",
   "metadata": {},
   "source": [
    "The primary asset is under the key `C`."
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 8,
   "id": "46bc3703-510a-41ab-be41-bf3642313a8d",
   "metadata": {},
   "outputs": [
    {
     "data": {
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       "\n",
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       "</style><pre class='xr-text-repr-fallback'>&lt;xarray.DataArray &#x27;stackstac-1b40940ce9be0647d58060e8ac864002&#x27; (y: 4500, x: 4500)&gt;\n",
       "dask.array&lt;getitem, shape=(4500, 4500), dtype=uint8, chunksize=(1024, 1024), chunktype=numpy.ndarray&gt;\n",
       "Coordinates: (12/18)\n",
       "    time            datetime64[ns] 2020-01-01\n",
       "    id              &lt;U14 &#x27;N02E009_20_FNF&#x27;\n",
       "    band            &lt;U1 &#x27;C&#x27;\n",
       "  * x               (x) float64 9.0 9.0 9.0 9.001 ... 9.999 9.999 10.0 10.0\n",
       "  * y               (y) float64 2.0 2.0 2.0 1.999 1.999 ... 1.001 1.001 1.0 1.0\n",
       "    proj:shape      object {4500}\n",
       "    ...              ...\n",
       "    instruments     &lt;U8 &#x27;PALSAR-2&#x27;\n",
       "    proj:epsg       int64 4326\n",
       "    end_datetime    &lt;U20 &#x27;2020-12-31T23:59:59Z&#x27;\n",
       "    title           &lt;U1 &#x27;C&#x27;\n",
       "    raster:bands    object {&#x27;nodata&#x27;: 0, &#x27;data_type&#x27;: &#x27;uint8&#x27;}\n",
       "    epsg            int64 4326\n",
       "Attributes:\n",
       "    spec:        RasterSpec(epsg=4326, bounds=(9.0, 1.0, 10.0, 2.0), resoluti...\n",
       "    crs:         epsg:4326\n",
       "    transform:   | 0.00, 0.00, 9.00|\\n| 0.00,-0.00, 2.00|\\n| 0.00, 0.00, 1.00|\n",
       "    resolution:  0.00022222222222222223</pre><div class='xr-wrap' style='display:none'><div class='xr-header'><div class='xr-obj-type'>xarray.DataArray</div><div class='xr-array-name'>'stackstac-1b40940ce9be0647d58060e8ac864002'</div><ul class='xr-dim-list'><li><span class='xr-has-index'>y</span>: 4500</li><li><span class='xr-has-index'>x</span>: 4500</li></ul></div><ul class='xr-sections'><li class='xr-section-item'><div class='xr-array-wrap'><input id='section-35f69055-e28e-47e0-aa10-51df10c3e1a1' class='xr-array-in' type='checkbox' checked><label for='section-35f69055-e28e-47e0-aa10-51df10c3e1a1' title='Show/hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-array-preview xr-preview'><span>dask.array&lt;chunksize=(1024, 1024), meta=np.ndarray&gt;</span></div><div class='xr-array-data'><table>\n",
       "    <tr>\n",
       "        <td>\n",
       "            <table>\n",
       "                <thead>\n",
       "                    <tr>\n",
       "                        <td> </td>\n",
       "                        <th> Array </th>\n",
       "                        <th> Chunk </th>\n",
       "                    </tr>\n",
       "                </thead>\n",
       "                <tbody>\n",
       "                    \n",
       "                    <tr>\n",
       "                        <th> Bytes </th>\n",
       "                        <td> 19.31 MiB </td>\n",
       "                        <td> 1.00 MiB </td>\n",
       "                    </tr>\n",
       "                    \n",
       "                    <tr>\n",
       "                        <th> Shape </th>\n",
       "                        <td> (4500, 4500) </td>\n",
       "                        <td> (1024, 1024) </td>\n",
       "                    </tr>\n",
       "                    <tr>\n",
       "                        <th> Count </th>\n",
       "                        <td> 52 Tasks </td>\n",
       "                        <td> 25 Chunks </td>\n",
       "                    </tr>\n",
       "                    <tr>\n",
       "                    <th> Type </th>\n",
       "                    <td> uint8 </td>\n",
       "                    <td> numpy.ndarray </td>\n",
       "                    </tr>\n",
       "                </tbody>\n",
       "            </table>\n",
       "        </td>\n",
       "        <td>\n",
       "        <svg width=\"170\" height=\"170\" style=\"stroke:rgb(0,0,0);stroke-width:1\" >\n",
       "\n",
       "  <!-- Horizontal lines -->\n",
       "  <line x1=\"0\" y1=\"0\" x2=\"120\" y2=\"0\" style=\"stroke-width:2\" />\n",
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       "\n",
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       "  <line x1=\"0\" y1=\"0\" x2=\"0\" y2=\"120\" style=\"stroke-width:2\" />\n",
       "  <line x1=\"27\" y1=\"0\" x2=\"27\" y2=\"120\" />\n",
       "  <line x1=\"54\" y1=\"0\" x2=\"54\" y2=\"120\" />\n",
       "  <line x1=\"81\" y1=\"0\" x2=\"81\" y2=\"120\" />\n",
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       "  <line x1=\"120\" y1=\"0\" x2=\"120\" y2=\"120\" style=\"stroke-width:2\" />\n",
       "\n",
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       "  <polygon points=\"0.0,0.0 120.0,0.0 120.0,120.0 0.0,120.0\" style=\"fill:#ECB172A0;stroke-width:0\"/>\n",
       "\n",
       "  <!-- Text -->\n",
       "  <text x=\"60.000000\" y=\"140.000000\" font-size=\"1.0rem\" font-weight=\"100\" text-anchor=\"middle\" >4500</text>\n",
       "  <text x=\"140.000000\" y=\"60.000000\" font-size=\"1.0rem\" font-weight=\"100\" text-anchor=\"middle\" transform=\"rotate(-90,140.000000,60.000000)\">4500</text>\n",
       "</svg>\n",
       "        </td>\n",
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       "</table></div></div></li><li class='xr-section-item'><input id='section-916f6045-02cf-4b9b-bf5a-2b63fee900ce' class='xr-section-summary-in' type='checkbox'  checked><label for='section-916f6045-02cf-4b9b-bf5a-2b63fee900ce' class='xr-section-summary' >Coordinates: <span>(18)</span></label><div class='xr-section-inline-details'></div><div class='xr-section-details'><ul class='xr-var-list'><li class='xr-var-item'><div class='xr-var-name'><span>time</span></div><div class='xr-var-dims'>()</div><div class='xr-var-dtype'>datetime64[ns]</div><div class='xr-var-preview xr-preview'>2020-01-01</div><input id='attrs-dbc433cb-1d63-4630-8bc1-5f9a25a17ca2' class='xr-var-attrs-in' type='checkbox' disabled><label for='attrs-dbc433cb-1d63-4630-8bc1-5f9a25a17ca2' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-c0c8326f-f75b-4c43-9c73-b5f3d023a821' class='xr-var-data-in' type='checkbox'><label for='data-c0c8326f-f75b-4c43-9c73-b5f3d023a821' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'></dl></div><div class='xr-var-data'><pre>array(&#x27;2020-01-01T00:00:00.000000000&#x27;, dtype=&#x27;datetime64[ns]&#x27;)</pre></div></li><li class='xr-var-item'><div class='xr-var-name'><span>id</span></div><div class='xr-var-dims'>()</div><div class='xr-var-dtype'>&lt;U14</div><div class='xr-var-preview xr-preview'>&#x27;N02E009_20_FNF&#x27;</div><input id='attrs-42a09fba-01f2-4442-b79a-8fc857fd04de' class='xr-var-attrs-in' type='checkbox' disabled><label for='attrs-42a09fba-01f2-4442-b79a-8fc857fd04de' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-1ac5abd1-a6a4-49b6-af8b-80c20644fa98' class='xr-var-data-in' type='checkbox'><label for='data-1ac5abd1-a6a4-49b6-af8b-80c20644fa98' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'></dl></div><div class='xr-var-data'><pre>array(&#x27;N02E009_20_FNF&#x27;, dtype=&#x27;&lt;U14&#x27;)</pre></div></li><li class='xr-var-item'><div class='xr-var-name'><span>band</span></div><div class='xr-var-dims'>()</div><div class='xr-var-dtype'>&lt;U1</div><div class='xr-var-preview xr-preview'>&#x27;C&#x27;</div><input id='attrs-2ea4b5e9-f9d7-4c52-bec8-84357bb33083' class='xr-var-attrs-in' type='checkbox' disabled><label for='attrs-2ea4b5e9-f9d7-4c52-bec8-84357bb33083' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-9156f400-1840-4bf1-9135-53a9574ca79b' class='xr-var-data-in' type='checkbox'><label for='data-9156f400-1840-4bf1-9135-53a9574ca79b' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'></dl></div><div class='xr-var-data'><pre>array(&#x27;C&#x27;, dtype=&#x27;&lt;U1&#x27;)</pre></div></li><li class='xr-var-item'><div class='xr-var-name'><span class='xr-has-index'>x</span></div><div class='xr-var-dims'>(x)</div><div class='xr-var-dtype'>float64</div><div class='xr-var-preview xr-preview'>9.0 9.0 9.0 ... 9.999 10.0 10.0</div><input id='attrs-c60d49e5-568d-487d-917c-6f897a81154c' class='xr-var-attrs-in' type='checkbox' disabled><label for='attrs-c60d49e5-568d-487d-917c-6f897a81154c' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-8025412a-5f54-4a0e-b9de-f543cc61395a' class='xr-var-data-in' type='checkbox'><label for='data-8025412a-5f54-4a0e-b9de-f543cc61395a' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'></dl></div><div class='xr-var-data'><pre>array([9.      , 9.000222, 9.000444, ..., 9.999333, 9.999556, 9.999778])</pre></div></li><li class='xr-var-item'><div class='xr-var-name'><span class='xr-has-index'>y</span></div><div class='xr-var-dims'>(y)</div><div class='xr-var-dtype'>float64</div><div class='xr-var-preview xr-preview'>2.0 2.0 2.0 1.999 ... 1.001 1.0 1.0</div><input id='attrs-4fea5a03-83f5-425e-a437-81319c9b649d' class='xr-var-attrs-in' type='checkbox' disabled><label for='attrs-4fea5a03-83f5-425e-a437-81319c9b649d' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-17d4420e-8419-451e-9afb-10cd657d90c0' class='xr-var-data-in' type='checkbox'><label for='data-17d4420e-8419-451e-9afb-10cd657d90c0' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'></dl></div><div class='xr-var-data'><pre>array([2.      , 1.999778, 1.999556, ..., 1.000667, 1.000444, 1.000222])</pre></div></li><li class='xr-var-item'><div class='xr-var-name'><span>proj:shape</span></div><div class='xr-var-dims'>()</div><div class='xr-var-dtype'>object</div><div class='xr-var-preview xr-preview'>{4500}</div><input id='attrs-12e47b9e-88f6-4e65-aa6b-8fa70568129e' class='xr-var-attrs-in' type='checkbox' disabled><label for='attrs-12e47b9e-88f6-4e65-aa6b-8fa70568129e' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-f9bee47c-9ebc-4bbc-a002-6822f707d434' class='xr-var-data-in' type='checkbox'><label for='data-f9bee47c-9ebc-4bbc-a002-6822f707d434' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'></dl></div><div class='xr-var-data'><pre>array({4500}, dtype=object)</pre></div></li><li class='xr-var-item'><div class='xr-var-name'><span>platform</span></div><div class='xr-var-dims'>()</div><div class='xr-var-dtype'>&lt;U6</div><div class='xr-var-preview xr-preview'>&#x27;ALOS-2&#x27;</div><input id='attrs-b8721c7a-49ba-46b7-8131-28da4f0ac20e' class='xr-var-attrs-in' type='checkbox' disabled><label for='attrs-b8721c7a-49ba-46b7-8131-28da4f0ac20e' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-9dba1e96-b006-463e-b6b7-98c6def21cdd' class='xr-var-data-in' type='checkbox'><label for='data-9dba1e96-b006-463e-b6b7-98c6def21cdd' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'></dl></div><div class='xr-var-data'><pre>array(&#x27;ALOS-2&#x27;, dtype=&#x27;&lt;U6&#x27;)</pre></div></li><li class='xr-var-item'><div class='xr-var-name'><span>proj:transform</span></div><div class='xr-var-dims'>()</div><div class='xr-var-dtype'>object</div><div class='xr-var-preview xr-preview'>{0.0, 1.0, 2.0, 0.00022222222222...</div><input id='attrs-07160116-6db5-4d05-b15d-430e300442e4' class='xr-var-attrs-in' type='checkbox' disabled><label for='attrs-07160116-6db5-4d05-b15d-430e300442e4' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-9b2938d1-dec9-420d-802b-b547cacf9344' class='xr-var-data-in' type='checkbox'><label for='data-9b2938d1-dec9-420d-802b-b547cacf9344' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'></dl></div><div class='xr-var-data'><pre>array({0.0, 1.0, 2.0, 0.00022222222222222223, 9.0, -0.00022222222222222223},\n",
       "      dtype=object)</pre></div></li><li class='xr-var-item'><div class='xr-var-name'><span>gsd</span></div><div class='xr-var-dims'>()</div><div class='xr-var-dtype'>int64</div><div class='xr-var-preview xr-preview'>25</div><input id='attrs-7a8dd704-0bc8-4aab-85e3-6ac7043b763c' class='xr-var-attrs-in' type='checkbox' disabled><label for='attrs-7a8dd704-0bc8-4aab-85e3-6ac7043b763c' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-9fb4f399-15cd-4fbb-b926-403e6467c207' class='xr-var-data-in' type='checkbox'><label for='data-9fb4f399-15cd-4fbb-b926-403e6467c207' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'></dl></div><div class='xr-var-data'><pre>array(25)</pre></div></li><li class='xr-var-item'><div class='xr-var-name'><span>proj:bbox</span></div><div class='xr-var-dims'>()</div><div class='xr-var-dtype'>object</div><div class='xr-var-preview xr-preview'>{9.0, 10.0, 2.0, 1.0}</div><input id='attrs-ffab7bd5-d3b6-4d99-aa02-4537ea06fdf4' class='xr-var-attrs-in' type='checkbox' disabled><label for='attrs-ffab7bd5-d3b6-4d99-aa02-4537ea06fdf4' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-0e5be17b-4b32-45ac-8eb9-45ea4e1dd5d0' class='xr-var-data-in' type='checkbox'><label for='data-0e5be17b-4b32-45ac-8eb9-45ea4e1dd5d0' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'></dl></div><div class='xr-var-data'><pre>array({9.0, 10.0, 2.0, 1.0}, dtype=object)</pre></div></li><li class='xr-var-item'><div class='xr-var-name'><span>description</span></div><div class='xr-var-dims'>()</div><div class='xr-var-dtype'>&lt;U32</div><div class='xr-var-preview xr-preview'>&#x27;Forest/Non-Forest Classification&#x27;</div><input id='attrs-6a19bfcb-8414-4f8e-aa8b-e5fc776f4141' class='xr-var-attrs-in' type='checkbox' disabled><label for='attrs-6a19bfcb-8414-4f8e-aa8b-e5fc776f4141' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-c18d7697-22c9-4ec0-9d17-577315ed8fe3' class='xr-var-data-in' type='checkbox'><label for='data-c18d7697-22c9-4ec0-9d17-577315ed8fe3' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'></dl></div><div class='xr-var-data'><pre>array(&#x27;Forest/Non-Forest Classification&#x27;, dtype=&#x27;&lt;U32&#x27;)</pre></div></li><li class='xr-var-item'><div class='xr-var-name'><span>start_datetime</span></div><div class='xr-var-dims'>()</div><div class='xr-var-dtype'>&lt;U20</div><div class='xr-var-preview xr-preview'>&#x27;2020-01-01T00:00:00Z&#x27;</div><input id='attrs-aebc511d-de14-44ab-99b7-89a267ad38b8' class='xr-var-attrs-in' type='checkbox' disabled><label for='attrs-aebc511d-de14-44ab-99b7-89a267ad38b8' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-4efd3f58-3248-4b5c-b53e-843d4c1c30b0' class='xr-var-data-in' type='checkbox'><label for='data-4efd3f58-3248-4b5c-b53e-843d4c1c30b0' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'></dl></div><div class='xr-var-data'><pre>array(&#x27;2020-01-01T00:00:00Z&#x27;, dtype=&#x27;&lt;U20&#x27;)</pre></div></li><li class='xr-var-item'><div class='xr-var-name'><span>instruments</span></div><div class='xr-var-dims'>()</div><div class='xr-var-dtype'>&lt;U8</div><div class='xr-var-preview xr-preview'>&#x27;PALSAR-2&#x27;</div><input id='attrs-63a447ea-c2bc-4fc1-930b-2b9e8ea495f6' class='xr-var-attrs-in' type='checkbox' disabled><label for='attrs-63a447ea-c2bc-4fc1-930b-2b9e8ea495f6' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-5b28ea3b-a526-468e-836a-d332f0bce2f8' class='xr-var-data-in' type='checkbox'><label for='data-5b28ea3b-a526-468e-836a-d332f0bce2f8' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'></dl></div><div class='xr-var-data'><pre>array(&#x27;PALSAR-2&#x27;, dtype=&#x27;&lt;U8&#x27;)</pre></div></li><li class='xr-var-item'><div class='xr-var-name'><span>proj:epsg</span></div><div class='xr-var-dims'>()</div><div class='xr-var-dtype'>int64</div><div class='xr-var-preview xr-preview'>4326</div><input id='attrs-5ff3f016-02e0-409e-a43b-681dc4912ecc' class='xr-var-attrs-in' type='checkbox' disabled><label for='attrs-5ff3f016-02e0-409e-a43b-681dc4912ecc' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-61bed57b-effa-489f-a7a0-63d2579ce68e' class='xr-var-data-in' type='checkbox'><label for='data-61bed57b-effa-489f-a7a0-63d2579ce68e' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'></dl></div><div class='xr-var-data'><pre>array(4326)</pre></div></li><li class='xr-var-item'><div class='xr-var-name'><span>end_datetime</span></div><div class='xr-var-dims'>()</div><div class='xr-var-dtype'>&lt;U20</div><div class='xr-var-preview xr-preview'>&#x27;2020-12-31T23:59:59Z&#x27;</div><input id='attrs-c4cf1391-19a9-4693-970a-02e65f7c14c6' class='xr-var-attrs-in' type='checkbox' disabled><label for='attrs-c4cf1391-19a9-4693-970a-02e65f7c14c6' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-7937cc8a-3435-4393-95cc-48721a3be472' class='xr-var-data-in' type='checkbox'><label for='data-7937cc8a-3435-4393-95cc-48721a3be472' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'></dl></div><div class='xr-var-data'><pre>array(&#x27;2020-12-31T23:59:59Z&#x27;, dtype=&#x27;&lt;U20&#x27;)</pre></div></li><li class='xr-var-item'><div class='xr-var-name'><span>title</span></div><div class='xr-var-dims'>()</div><div class='xr-var-dtype'>&lt;U1</div><div class='xr-var-preview xr-preview'>&#x27;C&#x27;</div><input id='attrs-b69eec90-999c-4ce2-875f-0f52c4e80255' class='xr-var-attrs-in' type='checkbox' disabled><label for='attrs-b69eec90-999c-4ce2-875f-0f52c4e80255' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-394361d0-4652-4c44-ae79-508b1a6d2552' class='xr-var-data-in' type='checkbox'><label for='data-394361d0-4652-4c44-ae79-508b1a6d2552' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'></dl></div><div class='xr-var-data'><pre>array(&#x27;C&#x27;, dtype=&#x27;&lt;U1&#x27;)</pre></div></li><li class='xr-var-item'><div class='xr-var-name'><span>raster:bands</span></div><div class='xr-var-dims'>()</div><div class='xr-var-dtype'>object</div><div class='xr-var-preview xr-preview'>{&#x27;nodata&#x27;: 0, &#x27;data_type&#x27;: &#x27;uint8&#x27;}</div><input id='attrs-2f06dde6-5945-482d-b8dd-383a6029ccb9' class='xr-var-attrs-in' type='checkbox' disabled><label for='attrs-2f06dde6-5945-482d-b8dd-383a6029ccb9' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-fb8fd6c6-10dc-41e8-91eb-5613be86849e' class='xr-var-data-in' type='checkbox'><label for='data-fb8fd6c6-10dc-41e8-91eb-5613be86849e' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'></dl></div><div class='xr-var-data'><pre>array({&#x27;nodata&#x27;: 0, &#x27;data_type&#x27;: &#x27;uint8&#x27;}, dtype=object)</pre></div></li><li class='xr-var-item'><div class='xr-var-name'><span>epsg</span></div><div class='xr-var-dims'>()</div><div class='xr-var-dtype'>int64</div><div class='xr-var-preview xr-preview'>4326</div><input id='attrs-cdf70417-b9a0-4728-8bd9-b2747be9b7fc' class='xr-var-attrs-in' type='checkbox' disabled><label for='attrs-cdf70417-b9a0-4728-8bd9-b2747be9b7fc' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-b2066f7b-bfdb-494f-b373-3c75a7147848' class='xr-var-data-in' type='checkbox'><label for='data-b2066f7b-bfdb-494f-b373-3c75a7147848' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'></dl></div><div class='xr-var-data'><pre>array(4326)</pre></div></li></ul></div></li><li class='xr-section-item'><input id='section-29fcff27-2d1c-4342-9887-3fb567121a59' class='xr-section-summary-in' type='checkbox'  checked><label for='section-29fcff27-2d1c-4342-9887-3fb567121a59' class='xr-section-summary' >Attributes: <span>(4)</span></label><div class='xr-section-inline-details'></div><div class='xr-section-details'><dl class='xr-attrs'><dt><span>spec :</span></dt><dd>RasterSpec(epsg=4326, bounds=(9.0, 1.0, 10.0, 2.0), resolutions_xy=(0.00022222222222222223, 0.00022222222222222223))</dd><dt><span>crs :</span></dt><dd>epsg:4326</dd><dt><span>transform :</span></dt><dd>| 0.00, 0.00, 9.00|\n",
       "| 0.00,-0.00, 2.00|\n",
       "| 0.00, 0.00, 1.00|</dd><dt><span>resolution :</span></dt><dd>0.00022222222222222223</dd></dl></div></li></ul></div></div>"
      ],
      "text/plain": [
       "<xarray.DataArray 'stackstac-1b40940ce9be0647d58060e8ac864002' (y: 4500, x: 4500)>\n",
       "dask.array<getitem, shape=(4500, 4500), dtype=uint8, chunksize=(1024, 1024), chunktype=numpy.ndarray>\n",
       "Coordinates: (12/18)\n",
       "    time            datetime64[ns] 2020-01-01\n",
       "    id              <U14 'N02E009_20_FNF'\n",
       "    band            <U1 'C'\n",
       "  * x               (x) float64 9.0 9.0 9.0 9.001 ... 9.999 9.999 10.0 10.0\n",
       "  * y               (y) float64 2.0 2.0 2.0 1.999 1.999 ... 1.001 1.001 1.0 1.0\n",
       "    proj:shape      object {4500}\n",
       "    ...              ...\n",
       "    instruments     <U8 'PALSAR-2'\n",
       "    proj:epsg       int64 4326\n",
       "    end_datetime    <U20 '2020-12-31T23:59:59Z'\n",
       "    title           <U1 'C'\n",
       "    raster:bands    object {'nodata': 0, 'data_type': 'uint8'}\n",
       "    epsg            int64 4326\n",
       "Attributes:\n",
       "    spec:        RasterSpec(epsg=4326, bounds=(9.0, 1.0, 10.0, 2.0), resoluti...\n",
       "    crs:         epsg:4326\n",
       "    transform:   | 0.00, 0.00, 9.00|\\n| 0.00,-0.00, 2.00|\\n| 0.00, 0.00, 1.00|\n",
       "    resolution:  0.00022222222222222223"
      ]
     },
     "execution_count": 8,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "fnf_item = fnf_items[0]\n",
    "\n",
    "fnf_tile = stackstac.stack(\n",
    "    fnf_item, assets=[\"C\"], dtype=\"uint8\", fill_value=0\n",
    ").squeeze()\n",
    "fnf_tile"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "e53b2437-fc9f-41c2-8b7b-bbe6c8d65ded",
   "metadata": {},
   "source": [
    "We can get the class name from the `classification:classes` field on the Collection's `item_assets`."
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 9,
   "id": "235d4ff4-3e00-41df-9521-c499a86f5cb1",
   "metadata": {},
   "outputs": [],
   "source": [
    "classes = fnf_item.get_collection().extra_fields[\"item_assets\"][\"C\"][\n",
    "    \"classification:classes\"\n",
    "]\n",
    "labels = [x[\"description\"] for x in classes]"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 10,
   "id": "7025e55f-b32f-43d6-8aaa-48864d1a4d17",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/html": [
       "<img src=\"https://ai4edatasetspublicassets.blob.core.windows.net/assets/notebook-output/datasets-alos-palsar-alos-palsar-example.ipynb/10.png\"/>"
      ],
      "text/plain": [
       "<Figure size 864x576 with 2 Axes>"
      ]
     },
     "metadata": {},
     "output_type": "display_data"
    }
   ],
   "source": [
    "import matplotlib.colors\n",
    "\n",
    "cmap = matplotlib.colors.ListedColormap(\n",
    "    [\n",
    "        (0, 0, 0, 0),  # nodata\n",
    "        (0, 0.7, 0, 1),  # forest, > 90% canopy\n",
    "        (0.51, 0.94, 0.38, 1),  # forest 10-90% canopy\n",
    "        (1, 1, 0.6, 1),  # non-forest\n",
    "        (0.0, 0.0, 1, 1),  # water\n",
    "    ]\n",
    ")\n",
    "\n",
    "# Plot the classification map\n",
    "p = fnf_tile.plot(cmap=cmap, vmin=0, vmax=4, size=8)\n",
    "ticks = np.arange(0.4, 4, 0.8)\n",
    "p.colorbar.set_ticks(ticks, labels=labels)\n",
    "p.colorbar.set_label(\"Class\")"
   ]
  }
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