Merge pull request #2317 from tvaucher/densitymapbox_opacity

Opacity in px.density_mapbox

Author: nicolaskruchten

packages/python/plotly/plotly/express/_chart_types.py

@@ -1234,6 +1234,7 @@ def pie(
     template=None,
     width=None,
     height=None,
+    opacity=None,
     hole=None,
 ):
     """
@@ -1398,9 +1399,7 @@ def funnel(
     rectangular sector of a funnel.
     """
     return make_figure(
-        args=locals(),
-        constructor=go.Funnel,
-        trace_patch=dict(opacity=opacity, orientation=orientation),
+        args=locals(), constructor=go.Funnel, trace_patch=dict(orientation=orientation),
     )
 
 
@@ -1422,6 +1421,7 @@ def funnel_area(
     template=None,
     width=None,
     height=None,
+    opacity=None,
 ):
     """
     In a funnel area plot, each row of `data_frame` is represented as a

packages/python/plotly/plotly/express/_core.py

@@ -1279,6 +1279,8 @@ def infer_config(args, constructor, trace_patch):
         if args["opacity"] is None:
             if "barmode" in args and args["barmode"] == "overlay":
                 trace_patch["marker"] = dict(opacity=0.5)
+        elif constructor in [go.Densitymapbox, go.Pie, go.Funnel, go.Funnelarea]:
+            trace_patch["opacity"] = args["opacity"]
         else:
             trace_patch["marker"] = dict(opacity=args["opacity"])
     if "line_group" in args: