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I created some legends using the html example by InLaw(1) in this answer. From that answer, I also manage to get this legend using a MacroElement from Branca (2), where template is an html macro template. What I want is that (any) those legends appear and disappear from the map in accordance to a LayerControl.

(1) map.get_root().html.add_child(folium.Element( legend_html ))

(2) macro = MacroElement()
macro._template = Template(template)
m.get_root().add_child(macro)

What have I tried? I tried adding the html and MacroElement to the FeatureLayer or a Choropleth map with no avail. After lurking for a while in the web I found this example that uses java script (I guess, I have -0 experience with JS) to make the bar invisible. But, when I substituted the LinearColormap for any of the above, the legend did not disappear. For example, using the variable macro from (2) I tried this:

m.add_child(BindColormap(FeatureGroup, macro))
m.add_child(BindColormap(Choropleth, macro))

Where FeatureGroup and Choropleth are the names of the variables named like that for simplicity for this example.

I don't know what else I can do.

Chepelink
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  • Did you ever figure this out? I would like to do something similar for a map that I'm making. – Will Oct 31 '22 at 16:16
  • @Will Hi, I'm sorry, At that point in time I couldn't figured it out but I change to R and worked like a charm. I don't know if they have changed anything in these years. – Chepelink Nov 01 '22 at 20:54

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