Latest Contributions by BoYan

Thanks for the reply. I eventually used hitTest() in SceneView | API Reference | ArcGIS API for JavaScript 4.0 for my purpose. Just to add a comment, if I remove all the graphics from the view or layer and added the modified graphic, the "zoom to" function will raise an error (as described here: change the symbol (color, opacity, size, etc) when I click one feature in the layer ). I managed to fix it by cloning the graphics in the view/layer and modified them individually. Not sure if this is the correct way to do it since I manipulate the property values directly. ... View more

thanks for the prompt reply, I found the function: FeatureLayer | API Reference | ArcGIS API for JavaScript 4.0 There are also some documentation about the query: Query | API Reference | ArcGIS API for JavaScript 4.0   But what I want to do essentially is that I can select a feature with mouse click. I'm actually using SceneView, so the features are 3d features.  I try to do the query based on geometry on mouse click event:         view.on("click", function(evt){           // evt is the event handle returned after the event fires.           console.log(evt.mapPoint);           var query = new Query();           query.geometry = evt.mapPoint;           lyr.queryFeatures(query).then(function(results){             console.log(results.features);           })         }); but it gives me the error:'name: "QueryEngine", message: "Invalid query", details: undefined'. It looks like the query function only supports ArcGIS Online hosted feature service(s) or ArcGIS Server service(s)? My features are rendered by client-side graphics. ... View more

thanks, I haven't tried your approach yet, but I figured that I can create an application in my developer account and use the app id and secret to get token for the rest api ... View more