1

app.py

@@ -1,6 +1,6 @@
 import streamlit as st, pandas as pd, numpy as np
 
-st.set_page_config(page_title="Предсказание V", page_icon="🦋") # set_page_config() can only be called once per app page, and must be called as the first Streamlit command in your script.
+st.set_page_config(layout="wide", page_title="Предсказание V", page_icon="🦋") # set_page_config() can only be called once per app page, and must be called as the first Streamlit command in your script.
 st.sidebar.markdown("# Стартовая страница 💎")
 # remove decoration and popup menu button at top
 st.markdown("<style> header[data-testid='stHeader'] { display:none }", unsafe_allow_html=True)

pages/6_Plotly.py

@@ -13,12 +13,14 @@ x2 = np.random.randn(n)
 x3 = np.random.randn(n) # + 2
 x4 = np.random.randn(n)
 
+# https://discuss.streamlit.io/t/update-3d-scatter-plot-without-resetting-view/20686
+my_uirevision = "qwerty"
 
 figure = {
     "data": [go.Scatter3d(z=x1, y=x2, x=x3, mode='markers',
-        marker=dict(size=7, color=x4, colorscale='Viridis', opacity=0.5)
+        marker=dict(size=3, color=x4, colorscale='Viridis', opacity=0.5)
     )],
-    "layout": go.Layout(margin=dict(l=0, r=0, b=0, t=0), uirevision='foo') # height=100
+    "layout": go.Layout(margin=dict(l=0, r=0, b=0, t=0), uirevision=my_uirevision) # height=100
 }
 
 st.plotly_chart(figure)