Fulcrum Query API and Koop

I don’t write code as much as I used to, but I have to return to it every so often to keep my sanity. With the current world situation, there are a lot of dashboards going up, many of which are based on the Esri Operations Dashboard or ArcGIS Hub.

I got thinking about a previous crisis in which Fulcrum and Esri’s Koop were used to great effect and started wondering if I could make the interaction between the two easier. Koop, at its core, takes GeoJSON and transforms it to be consumed by clients that can handle ArcGIS feature services.

Fulcrum has two primary ways to expose data as GeoJSON feeds – data shares and the Fulcrum Query API. Koop has a provider that handles arbitrary GeoJSON feeds quite well. It can be found here. In order to use that provider with Fulcrum, the only option is to use Fulcrum data shares. That works really well, but data shares have a couple of drawbacks. First, they are always public. Second, there is a limit to the number of shares that can be enabled from an account. Third, the data is shared all or nothing, so columns cannot be filtered.

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