StreamLayer has a property called elevationInfo, which itself has a property called offset. This is for setting the elevation of StreamLayer points when used with a 3D SceneView. The type for offset is Number. Rather than use an arbitrary number, like 42, I want to use a field in the stream service, like Altitude, so that each point is vertically offset according to its altitude value. Is that possible? If not, will it be possible in a future release?
I have tried a few different ways of setting the offset, but anything but an actual number value causes the StreamLayer not to display.
My code is in Dropbox: Simple 3D Map . View the source of that page to see my complete code. Here's the relevant portion:
streamLayer = new StreamLayer(
"https://geoeventsample3.esri.com:6443/arcgis/rest/services/SeattleBus/StreamServer", {
purgeOptions: { displayCount: 5000 },
socketDirection: "subscribe"
}
);
streamLayer.elevationInfo = {
mode: "absoluteHeight",
offset: 500 //This works
//offset: "500" //This causes the StreamLayer not to display
//offset: "Altitude" //This causes the StreamLayer not to display
//offset: "${Altitude}" //This causes the StreamLayer not to display
}
