change default ax value

app.py

@@ -165,10 +165,10 @@ else:
     col_control1, col_control2 = st.columns(2)
 
     with col_control1:
-        selected_index_z = st.slider('X-Y view', 0, image_3D.shape[0] - 1, 0, key='xy', disabled=st.session_state.running)
+        selected_index_z = st.slider('X-Y view', 0, image_3D.shape[0] - 1, 162, key='xy', disabled=st.session_state.running)
 
     with col_control2:
-        selected_index_y = st.slider('X-Z view', 0, image_3D.shape[1] - 1, 0, key='xz', disabled=st.session_state.running)
+        selected_index_y = st.slider('X-Z view', 0, image_3D.shape[1] - 1, 162, key='xz', disabled=st.session_state.running)
         if st.session_state.use_box_prompt:
             top, bottom = st.select_slider(
                 'Top and bottom of box',
@@ -181,7 +181,7 @@ else:
     col_image1, col_image2 = st.columns(2)
 
     if st.session_state.preds_3D is not None:
-        st.session_state.transparency = st.slider('Mask opacity', 0.0, 1.0, 0.5, disabled=st.session_state.running)
+        st.session_state.transparency = st.slider('Mask opacity', 0.0, 1.0, 0.25, disabled=st.session_state.running)
 
     with col_image1: