Update app.py

app.py

@@ -298,23 +298,22 @@ def generate_windows_from_selection(selected_indices, window_size, window_type):
     
     windows = []
     if window_type == "contiguous":
+        # Only sliding windows
         for i in range(len(selected_indices) - window_size + 1):
             windows.append(selected_indices[i:i+window_size])
     else:  # non-contiguous
         from itertools import combinations
         all_combos = list(combinations(selected_indices, window_size))
         
-        # Filter out contiguous combinations
-        for combo in all_combos:
-            combo_list = list(combo)
-            # Check if this combination is contiguous in the ORIGINAL indices
-            is_contiguous = all(combo_list[i+1] - combo_list[i] == 1 for i in range(len(combo_list)-1))
-            if not is_contiguous:
-                windows.append(combo_list)
+        # Get the contiguous windows (to exclude them)
+        contiguous_windows = []
+        for i in range(len(selected_indices) - window_size + 1):
+            contiguous_windows.append(tuple(selected_indices[i:i+window_size]))
         
-        # If no non-contiguous windows found, return empty (or you could return all combinations)
-        if not windows:
-            st.warning(f"⚠️ No non-contiguous combinations found for window size {window_size}")
+        # Filter: keep only combinations that are NOT in contiguous_windows
+        for combo in all_combos:
+            if combo not in contiguous_windows:
+                windows.append(list(combo))
     
     return windows