Update app.py

app.py

@@ -595,24 +595,13 @@ elif imagery_base == "MODIS":
     except FileNotFoundError:
         st.error(f"Dataset file '{dataset_file}' not found.")
         data = {}
-elif imagery_base == "VIIRS":  # Fetch VIIRS datasets directly from GEE
+elif imagery_base == "VIIRS":  # New VIIRS Option
+    dataset_file = "viirs_datasets.json"
     try:
-        # List all VIIRS-related collections dynamically from Earth Engine
-        viirs_collections = ee.data.listAssets({'parent': 'projects/earthengine-public/assets'}).get('assets', [])
-        viirs_collections = [asset['id'] for asset in viirs_collections if 'VIIRS' in asset['id']]
-        if not viirs_collections:
-            st.error("No VIIRS datasets found in Earth Engine.")
-            data = {}
-        else:
-            data = {
-                "VIIRS Datasets": {
-                    "sub_options": {col: col for col in viirs_collections},
-                    "bands": {}
-                }
-            }
-            st.write(f"Fetched VIIRS datasets: {', '.join(viirs_collections)}")
-    except Exception as e:
-        st.error(f"Error fetching VIIRS datasets: {str(e)}")
+        with open(dataset_file) as f:
+            data = json.load(f)
+    except FileNotFoundError:
+        st.error(f"Dataset file '{dataset_file}' not found.")
         data = {}
 elif imagery_base == "Custom Input":
     custom_dataset_id = st.text_input("Enter Custom Earth Engine Dataset ID (e.g., AHN/AHN4)", value="")
@@ -722,7 +711,7 @@ st.markdown("<h5>Cloud Filtering</h5>", unsafe_allow_html=True)
 tile_cloud_threshold = st.slider(
     "Select Maximum Tile-Based Cloud Coverage Threshold (%)",
     min_value=0,
-    max_value=100,
+    max_value=50,
     value=20,
     step=5,
     help="Tiles with cloud coverage exceeding this threshold will be excluded."
@@ -731,7 +720,7 @@ tile_cloud_threshold = st.slider(
 pixel_cloud_threshold = st.slider(
     "Select Maximum Pixel-Based Cloud Coverage Threshold (%)",
     min_value=0,
-    max_value=100,
+    max_value=50,
     value=10,
     step=5,
     help="Individual pixels with cloud coverage exceeding this threshold will be masked."