add code

app.py

@@ -38,7 +38,7 @@ def load_bin(file):
     norm_img = (img - img.min()) / (img.max() + 1e-8)
     img_uint8 = (norm_img * 255).astype(np.uint8)
 
-    img_zoomed = np.repeat(np.repeat(img_uint8, 2, axis=0), 2, axis=1)  # (96→192, 240→480)
+    img_zoomed = np.repeat(np.repeat(img_uint8, 4, axis=0), 4, axis=1)  # (96→192, 240→480)
     
     return img_zoomed, volume
 
@@ -46,8 +46,8 @@ def load_bin(file):
 def plot_pixel_histogram(evt: gr.SelectData, volume):
     # print("evt:", evt)
     x, y = evt.index  # Gradio SelectData 对象
-    x = x // 2
-    y = y // 2
+    x = x // 4
+    y = y // 4
     values = volume[y, x, :]
     fig = go.Figure()
     fig.add_trace(go.Scatter(y=values, mode="lines+markers"))