Filter vector layer with integer slider

[krvrd]

Hello! I use foliumap module to build streamlit app. I want to filter layer with vector polygons by specific attribute. When I use streamlit for that the page reload every time.
I read discussion about ipywidgets — as I understand ipywidgets are still unavailable for streamlit.

Is there any way to reach smooth filtering?

[giswqs]

Try pydeck. It will remove and add layers based on your filter, not refreshing the entire map.
https://docs.streamlit.io/library/api-reference/charts/st.pydeck_chart

[krvrd]

Thank you for the answer! It's very helpful.

Did you mean that I should use that deck extension for filtering? Please share if you have some examples how to use that filter in pydeck.

Probably there is more convenient ways?

[giswqs]

No, the pydeck_chart is just for visualizing data. The filter part should be done with streamlit components.