add code

app.py

@@ -82,12 +82,9 @@ def select_frame(frame_idx, volume):
     img_uint8 = (norm_img * 255).astype(np.uint8)
     return img_uint8
 
-# 点击图像某pixel，画该pixel在所有帧的强度曲线（X轴是T帧索引）
+
 def plot_pixel_histogram(evt, volume):
-    if volume is None:
-        return None
-    x, y = evt.index  # evt.index 是 (col, row)
-    # 注意 volume shape是 (H, W, T)，索引为 [y, x, :]
+    x, y = evt.index
     values = volume[y, x, :]
     fig = go.Figure()
     fig.add_trace(go.Scatter(y=values, mode="lines+markers"))
@@ -114,8 +111,6 @@ with gr.Blocks() as demo:
     # 点击图像像素，绘制强度曲线
     # image_display.select(plot_pixel_histogram, inputs=[gr.EventData(), volume_state], outputs=histogram)
 
-    # 绑定点击事件
-    image_display.select(plot_pixel_histogram, inputs=[gr.SelectData(), volume_state], outputs=histogram)
-
+    image_display.select(plot_pixel_histogram, inputs=[volume_state], outputs=histogram)
 
 demo.launch()