Add Feature Layer created from JSON to Legend

[ArjunDongre]

I have created a geoprocessing task that performs a join, and converts to a JSON which then can be retrieved by the client. The reason for this is to limit the amount of memory being used on the server. I do not want to create lots of feature classes on the server, I want the layers to be stored client side. I also strip some fields from features in my JSON before turning it into a feature collection for use in a Feature Layer. I use a Class Breaks Renderer to visualize my data on the map. I am now trying to display the feature layer in a legend, but am having trouble doing so. Is it possible to display my info in the legend? Thanks.

[RobertScheitlin__GISP]

Arjun,

   Sure The biggest part of making that happen is to be sure to define the drawingInfo of the layer in the layerDefinition when you create the FeatureLayer.

[ArjunDongre]

This information is not provided in the JSON. Shouldn’t that already be created when the classrenderer is created?

[RobertScheitlin__GISP]

Arjun,

  No if you are creating the FeatureLayer from a FeatureCollection you are responsible for providing all that info in the LayerDefinition.

[ArjunDongre]

I really feel like it should be a lot easier…thinking about just using a dgrid and populating as I already have my color codes and breaks.