make cloud thresh constants

docs/patch_level_cloud_cover.ipynb

@@ -316,8 +316,9 @@
     "    #print(f\"Chunk {key}: {value}\")\n",
     "\n",
     "# Print indices where cloud percentages exceed some interesting threshold\n",
+    "cloud_threshold = 50 \n",
     "for key, value in cloud_pcts.items():\n",
-    "    if value > 50:\n",
+    "    if value > cloud_threshold:\n",
     "        print(f\"Chunk {key}: Cloud percentage = {value}\")\n",
     "\n"
    ]
@@ -711,6 +712,16 @@
     "Let's remind ourselves which patches have clouds in them."
    ]
   },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "94607dbf-c61f-4ffe-b3d6-d18f26fdacf5",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "cloud_threshold = 80"
+   ]
+  },
   {
    "cell_type": "code",
    "execution_count": null,
@@ -722,7 +733,7 @@
     "# exceed some interesting threshold\n",
     "cloudy_indices = []\n",
     "for key, value in cloud_pcts.items():\n",
-    "    if value > 80:\n",
+    "    if value > cloud_threshold:\n",
     "        print(f\"Chunk {key}: Cloud percentage = {value}\")\n",
     "        cloudy_indices.append(key)"
    ]
@@ -755,6 +766,16 @@
     "Now let's set up a filtered search for patches that have very little cloud coverage."
    ]
   },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "7f000eec-6a74-4f51-8f88-eb5108dcb46a",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "cloud_threshold = 10"
+   ]
+  },
   {
    "cell_type": "code",
    "execution_count": null,
@@ -768,7 +789,7 @@
     "# do not exceed some interesting threshold\n",
     "non_cloudy_indices = []\n",
     "for key, value in cloud_pcts.items():\n",
-    "    if value < 10:\n",
+    "    if value < cloud_threshold:\n",
     "        #print(f\"Chunk {key}: Cloud percentage = {value}\")\n",
     "        non_cloudy_indices.append(key)"
    ]