Update app.py

app.py

@@ -1251,8 +1251,8 @@ def plotly_fig(values):
         y=Y.flatten(),
         z=Z.flatten(),
         value=values.flatten(),
-        isomin=-0.1,
-        isomax=0.8,
+        isomin=0.0,
+        isomax=1.0,
         opacity=0.1, # needs to be small to see through all surfaces
         surface_count=21, # needs to be a large number for good volume rendering
         colorscale='haline'