refactor: improve code readability and formatting in app.py

app.py

@@ -225,7 +225,8 @@ def generate_earthquake_alert_report(pga_list, target_names, event_name, duratio
                     county_intensity[county] = intensity_label
                 else:
                     # 保留較高的震度
-                    if convert_intensity(intensity_label) > convert_intensity(county_intensity[county]):
+                    if convert_intensity(intensity_label) > convert_intensity(
+                            county_intensity[county]):
                         county_intensity[county] = intensity_label
 
     # 生成報告
@@ -649,7 +650,7 @@ def create_intensity_map(
                 mode="markers",
                 marker=dict(
                     size=8,
-                    color="rgba(128, 128, 128, 0.3)",  # 半透明灰色
+                    color="rgba(128, 128, 128, 0.7)",  # 半透明灰色
                 ),
                 text=input_station_texts,
                 hovertemplate="%{text}<extra></extra>",
@@ -942,7 +943,9 @@ def step3_predict_intensity(cached_waveforms, cached_station_info, cached_statio
         )
 
         # 生成警報文字報告 (duration from waveform length: 3000 samples / 100 Hz = 30 seconds)
-        duration = cached_waveforms[0].shape[0] / 100 if cached_waveforms is not None and len(cached_waveforms) > 0 else 30
+        duration = cached_waveforms[0].shape[
+                       0] / 100 if cached_waveforms is not None and len(
+            cached_waveforms) > 0 else 30
         alert_report = generate_earthquake_alert_report(
             pga_list, target_names, event_name, duration
         )
@@ -968,11 +971,9 @@ with gr.Blocks(title="TTSAM 震度預測系統", fill_height=True) as demo:
             gr.Markdown("## 使用說明")
             gr.Markdown(
                 """
-                - **選擇地震事件**：自動載入測站並執行預測
-                - **調整時間滑桿**：即時更新波形與震度預測
-    
-                系統會自動選擇距離震央最近的 25 個測站，並快取資料避免重複讀檔。
-            """
+                    - **選擇地震事件**：自動載入測站並執行預測
+                    - **調整時間滑桿**：即時更新波形與震度預測
+                """
             )
         with gr.Column(scale=1):
             event_dropdown = gr.Dropdown(
@@ -998,19 +999,14 @@ with gr.Blocks(title="TTSAM 震度預測系統", fill_height=True) as demo:
 
     # ========== 下層：合併地圖 vs 實際觀測 ==========
     with gr.Row():
-        # 實際觀測震度圖
-
-        # 合併後的地圖（輸入測站 + 預測震度）
-        with gr.Column(scale=1):
-            predicted_intensity_map = gr.Plot(label="合併地圖")
+        predicted_intensity_map = gr.Plot(label="合併地圖")
 
-        with gr.Column(scale=1):
-            observed_intensity_image = gr.Image(
-                label="實際觀測震度",
-                type="filepath",
-                value=load_observed_intensity_image(
-                    list(earthquake_metadata.keys())[0]),
-            )
+        observed_intensity_image = gr.Image(
+            label="實際觀測震度",
+            type="filepath",
+            value=load_observed_intensity_image(
+                list(earthquake_metadata.keys())[0]),
+        )
 
     # ========== 隱藏的 State 變數（用於快取中間結果）==========
     cached_stream = gr.State(None)  # ObsPy Stream object