Geographic Information Systems Asked on December 27, 2021
I would like an interactive filtering histogram widget like this one https://public.carto.com/builder/0c982e6d-b254-4e2b-86ed-e0f097f519c2/embed (the population density histogram widgets on right bottom of screen). When you click or select histogram’s bars data are filtered on map.
I know how to do this with cartoDB;
https://carto.com/help/tutorials/improve-the-message-of-your-map-through-styling/#leverage-autostyling
What I want is to make 1 with cartoJS.
As cartoJS solution, I found this histogram widget : https://carto.com/developers/carto-vl/examples/#example-viewport-histogram-widget
but the widget is not interactive.
Clicking on histogram’s bars does not filter the spots on the map.
Does anyone know how I could make an interactive filtering histogram widget with cartoJS ?
I built this coloured Airship Histogram widget : http://softpeople.fr/DEMO/cartoDB2/4.html
This time I made Histogram coloured but still I can’t find a way to apply filtering on datas map by selected histogram’s bars.
Is this even possible ?
Answers can be found here :
widget interactivity : https://carto.com/developers/airship/examples/#example-as-histogram-events https://github.com/jahow/ol-airship-bridge
widget coloured bars : https://github.com/CartoDB/airship/pull/425/commits/c4eb2a3797c89b1e6eb1c9848a1f2135c0c49916
Answered by Ademus on December 27, 2021
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