It would be nice to have a transformer where you could query a REST service (both Feature Service and Map Service) and have all of the fields be autoparsed out as attributes.
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ESRI ArcGIS REST Query Service Transformer
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+19- Influencer
Feature service is there already with Online, Portal and Server feature service readers, but as you say image services are not supported.
+32- Enthusiast
I meant as a transformer instead of a reader, so you can take attributes from features and do a query on them with various REST services.
+29- Enthusiast
Would a Feature Reader not work for this? Building the URL based on certain attributes to then send as a query? Or are you trying to get the schema back from the service first and then work with that?
+32- Enthusiast
That's how I think I'm gonna have to tackle it now, but I have to then parse out the json (which means like 2+ transformers). I was hoping for 1 nice transformer where you could provide a URL and the where clause (and the other inputs that the query supports) and output the results as attributes (or a list - which ever makes more sense).
+32- Enthusiast
That might actually do the trick :P I never thought of using the feature reader!
+29- Enthusiast
That's what I usually use for reading online services, either with a creator beforehand or maybe a polygon going in to define a spatial filter (where possible). It's a very flexible way of doing things.