How to filter GeoJSON data in Leaflet map?
The L.GeoJson class has a built in filter option that you can use to filter your data. Just pass it a function that will return true for the features you want to show: Thanks for contributing an answer to Geographic Information Systems Stack Exchange!
What are the different types of GeoJSON data?
GeoJSON is a format for encoding a variety of geographic data structures […]. A GeoJSON object may represent a region of space (a Geometry), a spatially bounded entity (a Feature), or a list of Features (a FeatureCollection). GeoJSON supports the following geometry types: Point, LineString, Polygon, MultiPoint, MultiLineString,…
What can GeoJSON be used for in JavaScript?
According to GeoJSON Specification (RFC 7946): GeoJSON is a format for encoding a variety of geographic data structures ]. A [&GeoJSON object may represent a region of space (a Geometry), a spatially bounded entity (a Feature), or a list of Features (a FeatureCollection).
How do you control visibility in GeoJSON layer?
To accomplish this we pass a function as the filter option. This function gets called for each feature in your GeoJSON layer, and gets passed the feature and the layer. You can then utilise the values in the feature’s properties to control the visibility by returning true or false.
How to filter JSON data in JavaScript or jQuery?
I know the question explicitly says JS or jQuery, but anyway using lodash is always on the table for other searchers I suppose. It iterates through the json objects, and searches each value you are concerned about, ‘website’, and if it equals “yahoo” you can then return that value or do whatever you like there.
How to test for not matching the filter out variable?
Write your filter function to test for not-matching the filter-out variable. Create a function that deletes the layer if it exists, then adds it again. I’m still slightly unclear on why you don’t want to use separate layergroups for each filter option, like the links that Bill posted do, but maybe this alternative will help you.